HEAD is now at 36efbdf... Add linux-next specific files for 20140417 git checkout be728448326c78f925bee6c7153f7a775031b36f ls -a /kernel-tests/run-queue/kvm/i386-randconfig-x1-04191415/next:master:be728448326c78f925bee6c7153f7a775031b36f:bisect-linux8 2014-04-19-14:23:24 be728448326c78f925bee6c7153f7a775031b36f compiling Queued build task to /kernel-tests/build-queue/i386-randconfig-x1-04191415-be728448326c78f925bee6c7153f7a775031b36f Check for kernel in /kernel/i386-randconfig-x1-04191415/be728448326c78f925bee6c7153f7a775031b36f waiting for completion of /kernel-tests/build-queue/i386-randconfig-x1-04191415-be728448326c78f925bee6c7153f7a775031b36f waiting for completion of /kernel-tests/build-queue/.i386-randconfig-x1-04191415-be728448326c78f925bee6c7153f7a775031b36f kernel: /kernel/i386-randconfig-x1-04191415/be728448326c78f925bee6c7153f7a775031b36f/vmlinuz-3.15.0-rc1-01612-gbe72844 2014-04-19-14:28:24 detecting boot state .. TEST FAILURE [ 9.943762] [ INFO: inconsistent lock state ] [ 9.943764] 3.15.0-rc1-01612-gbe72844 #1 Not tainted [ 9.943764] --------------------------------- [ 9.943765] inconsistent {IN-SOFTIRQ-W} -> {SOFTIRQ-ON-W} usage. [ 9.943767] blkid/275 [HC0[0]:SC0[0]:HE1:SE1] takes: [ 9.943795] (&(&q->__queue_lock)->rlock){+.?...}, at: [] blk_flush_plug_list+0x122/0x1a8 [ 9.943796] {IN-SOFTIRQ-W} state was registered at: [ 9.943810] [] __lock_acquire+0x27e/0xc09 [ 9.943812] [] lock_acquire+0x56/0x72 [ 9.943825] [] _raw_spin_lock+0x24/0x54 [ 9.943839] [] scsi_device_unbusy+0x5b/0x7e [ 9.943841] [] scsi_finish_command+0x1d/0xd3 [ 9.943843] [] scsi_softirq_done+0xdc/0xe4 [ 9.943848] [] blk_done_softirq+0x6e/0x77 [ 9.943852] [] __do_softirq+0xc7/0x1b0 [ 9.943854] [] run_ksoftirqd+0x1e/0x54 [ 9.943859] [] smpboot_thread_fn+0x102/0x116 [ 9.943863] [] kthread+0xa0/0xa5 [ 9.943868] [] ret_from_kernel_thread+0x20/0x30 [ 9.943869] irq event stamp: 2564 [ 9.943871] hardirqs last enabled at (2563): [] _raw_spin_unlock_irq+0x22/0x30 [ 9.943873] hardirqs last disabled at (2564): [] blk_flush_plug_list+0xc8/0x1a8 [ 9.943878] softirqs last enabled at (0): [] copy_process.part.45+0x454/0x12e6 [ 9.943879] softirqs last disabled at (0): [< (null)>] (null) [ 9.943880] [ 9.943880] other info that might help us debug this: [ 9.943880] Possible unsafe locking scenario: [ 9.943880] [ 9.943880] CPU0 [ 9.943881] ---- [ 9.943882] lock(&(&q->__queue_lock)->rlock); [ 9.943882] [ 9.943883] lock(&(&q->__queue_lock)->rlock); [ 9.943883] [ 9.943883] *** DEADLOCK *** [ 9.943883] [ 9.943884] 1 lock held by blkid/275: [ 9.943887] #0: (&(&q->__queue_lock)->rlock){+.?...}, at: [] blk_flush_plug_list+0x122/0x1a8 [ 9.943888] [ 9.943888] stack backtrace: [ 9.943890] CPU: 0 PID: 275 Comm: blkid Not tainted 3.15.0-rc1-01612-gbe72844 #1 [ 9.943890] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 9.943894] 00000000 ca1c8000 ca123b64 c186e26b ca123b90 c186a96a c1ba4474 c1ba4373 [ 9.943897] c1ba433b c1ba435a c1ba4364 c1ba51f0 ca1c84f4 c1084c36 00000010 ca123bb8 [ 9.943899] c1085202 00000006 00000000 ca1c8000 00000004 00000006 ca1c84f4 ca1c8000 [ 9.943900] Call Trace: [ 9.943904] [] dump_stack+0x16/0x18 [ 9.943910] [] print_usage_bug+0x180/0x18d [ 9.943912] [] ? print_shortest_lock_dependencies+0x13c/0x13c [ 9.943913] [] mark_lock+0xf7/0x1df [ 9.943915] [] mark_held_locks+0x51/0x67 [ 9.943920] [] ? blkg_rwstat_read+0x22/0x2e [ 9.943922] [] trace_hardirqs_on_caller+0x14b/0x165 [ 9.943923] [] trace_hardirqs_on+0xb/0xd [ 9.943925] [] blkg_rwstat_read+0x22/0x2e [ 9.943927] [] __cfq_set_active_queue+0x6b/0x188 [ 9.943929] [] ? cfq_resort_rr_list+0x1f/0x23 [ 9.943931] [] ? __arch_hweight32+0x8/0xa [ 9.943933] [] ? cfq_update_idle_window.isra.80+0x7d/0xe4 [ 9.943936] [] ? local_clock+0x12/0x1c [ 9.943938] [] ? lock_release_holdtime.part.27+0x59/0x65 [ 9.943940] [] cfq_dispatch_requests+0x528/0x7a8 [ 9.943950] [] ? paravirt_sched_clock+0x9/0xd [ 9.943952] [] ? sched_clock+0x9/0xc [ 9.943954] [] ? cfq_insert_request+0x18d/0x323 [ 9.943959] [] ? submit_bio+0xd8/0xf1 [ 9.943963] [] ? list_sort+0x118/0x134 [ 9.943966] [] ? ioc_set_batching+0x2b/0x2b [ 9.943967] [] blk_peek_request+0x57/0x180 [ 9.943970] [] scsi_request_fn+0x2b/0x415 [ 9.943971] [] ? lock_acquired+0xd9/0x1c9 [ 9.943974] [] __blk_run_queue_uncond+0x21/0x2a [ 9.943976] [] __blk_run_queue+0x13/0x15 [ 9.943977] [] blk_flush_plug_list+0x173/0x1a8 [ 9.943979] [] blk_finish_plug+0xd/0x27 [ 9.943988] [] __do_page_cache_readahead+0x156/0x16c [ 9.943990] [] force_page_cache_readahead+0x57/0x74 [ 9.943992] [] page_cache_sync_readahead+0x25/0x3d [ 9.943994] [] generic_file_aio_read+0x1ef/0x4e6 [ 9.944000] [] blkdev_aio_read+0x5d/0x6b [ 9.944009] [] do_sync_read+0x4c/0x73 [ 9.944010] [] ? fdput_pos+0x25/0x25 [ 9.944012] [] vfs_read+0x60/0x94 [ 9.944013] [] SyS_read+0x44/0x77 [ 9.944014] [] syscall_call+0x7/0xb [ 10.662297] init: failsafe main process (300) killed by TERM signal Kernel tests: Boot OK! [ 62.468033] spin_lock-torture: Writes: Total: 2 Max/Min: 0/0 Fail: 0 /kernel/i386-randconfig-x1-04191415/be728448326c78f925bee6c7153f7a775031b36f/dmesg-quantal-ivytown2-30:20140419142910:i386-randconfig-x1-04191415:3.15.0-rc1-01612-gbe72844:1 /kernel/i386-randconfig-x1-04191415/be728448326c78f925bee6c7153f7a775031b36f/dmesg-quantal-inn-61:20140419142916:i386-randconfig-x1-04191415:: /kernel/i386-randconfig-x1-04191415/be728448326c78f925bee6c7153f7a775031b36f/dmesg-quantal-ivytown2-64:20140419142913:i386-randconfig-x1-04191415:3.15.0-rc1-01612-gbe72844:1 /kernel/i386-randconfig-x1-04191415/be728448326c78f925bee6c7153f7a775031b36f/dmesg-quantal-roam-85:20140419142913:i386-randconfig-x1-04191415:3.15.0-rc1-01612-gbe72844:1 /kernel/i386-randconfig-x1-04191415/be728448326c78f925bee6c7153f7a775031b36f/dmesg-quantal-roam-96:20140419142913:i386-randconfig-x1-04191415:3.15.0-rc1-01612-gbe72844:1 /kernel/i386-randconfig-x1-04191415/be728448326c78f925bee6c7153f7a775031b36f/dmesg-quantal-xian-28:20140419142918:i386-randconfig-x1-04191415:3.15.0-rc1-01612-gbe72844:1 /kernel/i386-randconfig-x1-04191415/be728448326c78f925bee6c7153f7a775031b36f/dmesg-quantal-xian-39:20140419142921:i386-randconfig-x1-04191415:3.15.0-rc1-01612-gbe72844:1 /kernel/i386-randconfig-x1-04191415/be728448326c78f925bee6c7153f7a775031b36f/dmesg-quantal-xian-89:20140419142914:i386-randconfig-x1-04191415:3.15.0-rc1-01612-gbe72844:1 /kernel/i386-randconfig-x1-04191415/be728448326c78f925bee6c7153f7a775031b36f/dmesg-yocto-f2-18:20140419142922:i386-randconfig-x1-04191415:3.15.0-rc1-01612-gbe72844:1 0:9:1 all_good:bad:all_bad boots bisect: bad commit be728448326c78f925bee6c7153f7a775031b36f git checkout v3.14 ls -a /kernel-tests/run-queue/kvm/i386-randconfig-x1-04191415/next:master:455c6fdbd219161bd09b1165f11699d6d73de11c:bisect-linux8 2014-04-19-14:29:29 455c6fdbd219161bd09b1165f11699d6d73de11c compiling Queued build task to /kernel-tests/build-queue/i386-randconfig-x1-04191415-455c6fdbd219161bd09b1165f11699d6d73de11c Check for kernel in /kernel/i386-randconfig-x1-04191415/455c6fdbd219161bd09b1165f11699d6d73de11c waiting for completion of /kernel-tests/build-queue/i386-randconfig-x1-04191415-455c6fdbd219161bd09b1165f11699d6d73de11c waiting for completion of /kernel-tests/build-queue/.i386-randconfig-x1-04191415-455c6fdbd219161bd09b1165f11699d6d73de11c kernel: /kernel/i386-randconfig-x1-04191415/455c6fdbd219161bd09b1165f11699d6d73de11c/vmlinuz-3.14.0 2014-04-19-14:36:29 detecting boot state . TEST FAILURE [ 10.728021] [ INFO: inconsistent lock state ] [ 10.728021] 3.14.0 #1 Tainted: G W [ 10.728021] --------------------------------- [ 10.728021] inconsistent {IN-SOFTIRQ-W} -> {SOFTIRQ-ON-W} usage. [ 10.728021] blkid/301 [HC0[0]:SC0[0]:HE1:SE1] takes: [ 10.728021] (&(&q->__queue_lock)->rlock){+.?...}, at: [] blk_flush_plug_list+0x122/0x1a8 [ 10.728021] {IN-SOFTIRQ-W} state was registered at: [ 10.728021] [] __lock_acquire+0x27d/0xbfe [ 10.728021] [] lock_acquire+0x56/0x72 [ 10.728021] [] _raw_spin_lock+0x24/0x54 [ 10.728021] [] scsi_device_unbusy+0x5b/0x7e [ 10.728021] [] scsi_finish_command+0x1d/0xd3 [ 10.728021] [] scsi_softirq_done+0xdc/0xe4 [ 10.728021] [] blk_done_softirq+0x6e/0x77 [ 10.728021] [] __do_softirq+0xc9/0x1ad [ 10.728021] [] run_ksoftirqd+0x1e/0x54 [ 10.728021] [] smpboot_thread_fn+0x102/0x116 [ 10.728021] [] kthread+0xa0/0xa5 [ 10.728021] [] ret_from_kernel_thread+0x1b/0x28 [ 10.728021] irq event stamp: 3018 [ 10.728021] hardirqs last enabled at (3015): [] _raw_spin_unlock_irq+0x22/0x30 [ 10.728021] hardirqs last disabled at (3016): [] blk_flush_plug_list+0xc8/0x1a8 [ 10.728021] softirqs last enabled at (3018): [] local_bh_enable+0x0/0x14 [ 10.728021] softirqs last disabled at (3017): [] local_bh_disable+0x0/0x14 [ 10.728021] [ 10.728021] other info that might help us debug this: [ 10.728021] Possible unsafe locking scenario: [ 10.728021] [ 10.728021] CPU0 [ 10.728021] ---- [ 10.728021] lock(&(&q->__queue_lock)->rlock); [ 10.728021] [ 10.728021] lock(&(&q->__queue_lock)->rlock); [ 10.728021] [ 10.728021] *** DEADLOCK *** [ 10.728021] [ 10.728021] 1 lock held by blkid/301: [ 10.728021] #0: (&(&q->__queue_lock)->rlock){+.?...}, at: [] blk_flush_plug_list+0x122/0x1a8 [ 10.728021] [ 10.728021] stack backtrace: [ 10.728021] CPU: 0 PID: 301 Comm: blkid Tainted: G W 3.14.0 #1 [ 10.728021] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 10.728021] 00000000 c688b7c0 c77bfb44 c184ba90 c77bfb70 c18481e4 c1b77450 c1b7734f [ 10.728021] c1b77317 c1b77336 c1b77340 c1b781cc c688bc9c c1083b38 00000010 c77bfb98 [ 10.728021] c1084104 00000006 00000000 c688b7c0 00000004 00000006 c688bc9c c688b7c0 [ 10.728021] Call Trace: [ 10.728021] [] dump_stack+0x16/0x18 [ 10.728021] [] print_usage_bug+0x180/0x18d [ 10.728021] [] ? print_shortest_lock_dependencies+0x13c/0x13c [ 10.728021] [] mark_lock+0xf7/0x1df [ 10.728021] [] mark_held_locks+0x5b/0x72 [ 10.728021] [] ? __local_bh_enable_ip+0x93/0x9c [ 10.728021] [] trace_hardirqs_on_caller+0x14b/0x165 [ 10.728021] [] ? local_bh_disable+0x14/0x14 [ 10.728021] [] trace_hardirqs_on+0xb/0xd [ 10.728021] [] __local_bh_enable_ip+0x93/0x9c [ 10.728021] [] local_bh_enable+0x12/0x14 [ 10.728021] [] blkg_rwstat_read+0x1d/0x24 [ 10.728021] [] __cfq_set_active_queue+0x6b/0x188 [ 10.728021] [] ? cfq_resort_rr_list+0x1f/0x23 [ 10.728021] [] ? __arch_hweight32+0x8/0xa [ 10.728021] [] ? cfq_update_idle_window.isra.80+0x7d/0xe4 [ 10.728021] [] ? kvm_clock_read+0x14/0x1d [ 10.728021] [] ? paravirt_sched_clock+0x9/0xd [ 10.728021] [] cfq_dispatch_requests+0x528/0x7a8 [ 10.728021] [] ? paravirt_sched_clock+0x9/0xd [ 10.728021] [] ? sched_clock+0x9/0xc [ 10.728021] [] ? cfq_insert_request+0x18d/0x323 [ 10.728021] [] ? submit_bio+0xd8/0xf1 [ 10.728021] [] ? list_sort+0x118/0x134 [ 10.728021] [] ? ioc_set_batching+0x2b/0x2b [ 10.728021] [] blk_peek_request+0x57/0x180 [ 10.728021] [] scsi_request_fn+0x38/0x432 [ 10.728021] [] ? lock_acquired+0xd9/0x1c9 [ 10.728021] [] __blk_run_queue_uncond+0x21/0x2a [ 10.728021] [] __blk_run_queue+0x13/0x15 [ 10.728021] [] blk_flush_plug_list+0x173/0x1a8 [ 10.728021] [] blk_finish_plug+0xd/0x27 [ 10.728021] [] __do_page_cache_readahead+0x151/0x167 [ 10.728021] [] force_page_cache_readahead+0x4f/0x6c [ 10.728021] [] page_cache_sync_readahead+0x25/0x3d [ 10.728021] [] generic_file_aio_read+0x226/0x523 [ 10.728021] [] blkdev_aio_read+0x5d/0x6b [ 10.728021] [] do_sync_read+0x4c/0x73 [ 10.728021] [] ? fdput_pos+0x25/0x25 [ 10.728021] [] vfs_read+0x5f/0x93 [ 10.728021] [] SyS_read+0x44/0x77 [ 10.728021] [] sysenter_do_call+0x12/0x3c [ 11.482689] init: failsafe main process (326) killed by TERM signal Kernel tests: Boot OK! [ 69.985877] reboot: Restarting system /kernel/i386-randconfig-x1-04191415/455c6fdbd219161bd09b1165f11699d6d73de11c/dmesg-quantal-f1-108:20140419143647:i386-randconfig-x1-04191415:3.14.0:1 /kernel/i386-randconfig-x1-04191415/455c6fdbd219161bd09b1165f11699d6d73de11c/dmesg-quantal-f4-9:20140419143647:i386-randconfig-x1-04191415:3.14.0:1 /kernel/i386-randconfig-x1-04191415/455c6fdbd219161bd09b1165f11699d6d73de11c/dmesg-quantal-ivytown2-41:20140419143647:i386-randconfig-x1-04191415:3.14.0:1 /kernel/i386-randconfig-x1-04191415/455c6fdbd219161bd09b1165f11699d6d73de11c/dmesg-quantal-athens-79:20140419143649:i386-randconfig-x1-04191415:3.14.0:1 /kernel/i386-randconfig-x1-04191415/455c6fdbd219161bd09b1165f11699d6d73de11c/dmesg-quantal-f3-67:20140419143649:i386-randconfig-x1-04191415:3.14.0:1 /kernel/i386-randconfig-x1-04191415/455c6fdbd219161bd09b1165f11699d6d73de11c/dmesg-quantal-lkp-ib04-18:20140419143649:i386-randconfig-x1-04191415:3.14.0:1 0:6:6 all_good:bad:all_bad boots 2014-04-19 14:37:01 REPEAT COUNT: 20 # /kernel-tests/linux8/obj-bisect/.repeat bisect: bad commit v3.14 git checkout v3.13 ls -a /kernel-tests/run-queue/kvm/i386-randconfig-x1-04191415/next:master:d8ec26d7f8287f5788a494f56e8814210f0e64be:bisect-linux8 2014-04-19-14:37:04 d8ec26d7f8287f5788a494f56e8814210f0e64be compiling Queued build task to /kernel-tests/build-queue/i386-randconfig-x1-04191415-d8ec26d7f8287f5788a494f56e8814210f0e64be Check for kernel in /kernel/i386-randconfig-x1-04191415/d8ec26d7f8287f5788a494f56e8814210f0e64be waiting for completion of /kernel-tests/build-queue/i386-randconfig-x1-04191415-d8ec26d7f8287f5788a494f56e8814210f0e64be waiting for completion of /kernel-tests/build-queue/.i386-randconfig-x1-04191415-d8ec26d7f8287f5788a494f56e8814210f0e64be kernel: /kernel/i386-randconfig-x1-04191415/d8ec26d7f8287f5788a494f56e8814210f0e64be/vmlinuz-3.13.0 2014-04-19-14:44:04 detecting boot state .. TEST FAILURE [ 7.604233] init: Failed to create pty - disabling logging for job [ 7.605453] init: Temporary process spawn error: No space left on device [ 8.406508] ------------[ cut here ]------------ [ 8.406535] WARNING: CPU: 0 PID: 269 at kernel/softirq.c:156 _local_bh_enable_ip+0x34/0x97() [ 8.406538] CPU: 0 PID: 269 Comm: blkid Not tainted 3.13.0 #1 [ 8.406539] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 8.406543] 00000000 00000000 ca619ba8 c0a2dcde ca619bc0 c025dac5 c0260836 c04efcb6 [ 8.406545] cbcad044 ca619c2c ca619bd0 c025db62 00000009 00000000 ca619bdc c0260836 [ 8.406547] ca619c0c ca619be4 c02608a4 ca619bf8 c04efcb6 cb516140 cbcace10 cb4dc2b0 [ 8.406548] Call Trace: [ 8.406565] [] dump_stack+0x16/0x18 [ 8.406570] [] warn_slowpath_common+0x50/0x67 [ 8.406571] [] ? _local_bh_enable_ip+0x34/0x97 [ 8.406580] [] ? blkg_rwstat_read+0x1d/0x24 [ 8.406582] [] warn_slowpath_null+0xf/0x13 [ 8.406584] [] _local_bh_enable_ip+0x34/0x97 [ 8.406585] [] local_bh_enable+0xb/0xd [ 8.406586] [] blkg_rwstat_read+0x1d/0x24 [ 8.406588] [] __cfq_set_active_queue+0x6b/0x188 [ 8.406590] [] ? cfq_resort_rr_list+0x1f/0x23 [ 8.406591] [] ? __arch_hweight32+0x8/0xa [ 8.406593] [] ? cfq_update_idle_window.isra.80+0x7d/0xe4 [ 8.406599] [] ? kvm_clock_read+0x14/0x1d [ 8.406603] [] ? paravirt_sched_clock+0x9/0xd [ 8.406605] [] ? sched_clock+0x9/0xc [ 8.406607] [] cfq_dispatch_requests+0x528/0x7a8 [ 8.406609] [] ? paravirt_sched_clock+0x9/0xd [ 8.406610] [] ? sched_clock+0x9/0xc [ 8.406612] [] ? cfq_insert_request+0x18d/0x323 [ 8.406615] [] ? submit_bio+0xd5/0x107 [ 8.406623] [] ? list_sort+0x118/0x134 [ 8.406625] [] ? ioc_set_batching+0x2b/0x2b [ 8.406627] [] blk_peek_request+0x57/0x180 [ 8.406640] [] scsi_request_fn+0x38/0x42f [ 8.406644] [] ? lock_acquired+0xd9/0x1c9 [ 8.406646] [] __blk_run_queue_uncond+0x21/0x2a [ 8.406648] [] __blk_run_queue+0x13/0x15 [ 8.406649] [] blk_flush_plug_list+0x173/0x1a8 [ 8.406651] [] blk_finish_plug+0xd/0x27 [ 8.406658] [] __do_page_cache_readahead+0x151/0x167 [ 8.406659] [] force_page_cache_readahead+0x56/0x77 [ 8.406661] [] page_cache_sync_readahead+0x25/0x3d [ 8.406665] [] generic_file_aio_read+0x23d/0x536 [ 8.406671] [] blkdev_aio_read+0x5d/0x6b [ 8.406676] [] do_sync_read+0x4c/0x73 [ 8.406678] [] ? do_sync_readv_writev+0x6f/0x6f [ 8.406679] [] vfs_read+0x5d/0x98 [ 8.406681] [] SyS_read+0x3e/0x6b [ 8.406686] [] sysenter_do_call+0x12/0x3c [ 8.406688] ---[ end trace 2a0f2bc17d0eb0de ]--- [ 8.406699] /kernel/i386-randconfig-x1-04191415/d8ec26d7f8287f5788a494f56e8814210f0e64be/dmesg-quantal-f2-103:20140419144439:i386-randconfig-x1-04191415:3.13.0:1 /kernel/i386-randconfig-x1-04191415/d8ec26d7f8287f5788a494f56e8814210f0e64be/dmesg-quantal-f2-117:20140419144440:i386-randconfig-x1-04191415:3.13.0:1 /kernel/i386-randconfig-x1-04191415/d8ec26d7f8287f5788a494f56e8814210f0e64be/dmesg-quantal-f3-76:20140419144439:i386-randconfig-x1-04191415:3.13.0:1 /kernel/i386-randconfig-x1-04191415/d8ec26d7f8287f5788a494f56e8814210f0e64be/dmesg-quantal-inn-68:20140419144440:i386-randconfig-x1-04191415:: /kernel/i386-randconfig-x1-04191415/d8ec26d7f8287f5788a494f56e8814210f0e64be/dmesg-quantal-roam-5:20140419144445:i386-randconfig-x1-04191415:3.13.0:1 /kernel/i386-randconfig-x1-04191415/d8ec26d7f8287f5788a494f56e8814210f0e64be/dmesg-quantal-snb-86:20140419144444:i386-randconfig-x1-04191415:: /kernel/i386-randconfig-x1-04191415/d8ec26d7f8287f5788a494f56e8814210f0e64be/dmesg-yocto-lkp-ib04-1:20140419144447:i386-randconfig-x1-04191415:3.13.0:1 /kernel/i386-randconfig-x1-04191415/d8ec26d7f8287f5788a494f56e8814210f0e64be/dmesg-yocto-lkp-ib04-39:20140419144447:i386-randconfig-x1-04191415:3.13.0:1 /kernel/i386-randconfig-x1-04191415/d8ec26d7f8287f5788a494f56e8814210f0e64be/dmesg-yocto-lkp-ib04-5:20140419144448:i386-randconfig-x1-04191415:3.13.0:1 /kernel/i386-randconfig-x1-04191415/d8ec26d7f8287f5788a494f56e8814210f0e64be/dmesg-yocto-f4-107:20140419144449:i386-randconfig-x1-04191415:3.13.0:1 /kernel/i386-randconfig-x1-04191415/d8ec26d7f8287f5788a494f56e8814210f0e64be/dmesg-yocto-f4-62:20140419144450:i386-randconfig-x1-04191415:3.13.0:1 /kernel/i386-randconfig-x1-04191415/d8ec26d7f8287f5788a494f56e8814210f0e64be/dmesg-yocto-inn-44:20140419144457:i386-randconfig-x1-04191415:: /kernel/i386-randconfig-x1-04191415/d8ec26d7f8287f5788a494f56e8814210f0e64be/dmesg-yocto-inn-53:20140419144451:i386-randconfig-x1-04191415:: /kernel/i386-randconfig-x1-04191415/d8ec26d7f8287f5788a494f56e8814210f0e64be/dmesg-yocto-inn-8:20140419144450:i386-randconfig-x1-04191415:: 0:14:14 all_good:bad:all_bad boots 2014-04-19 14:45:06 REPEAT COUNT: 20 # /kernel-tests/linux8/obj-bisect/.repeat bisect: bad commit v3.13 git checkout v3.12 ls -a /kernel-tests/run-queue/kvm/i386-randconfig-x1-04191415/next:master:5e01dc7b26d9f24f39abace5da98ccbd6a5ceb52:bisect-linux8 2014-04-19-14:45:10 5e01dc7b26d9f24f39abace5da98ccbd6a5ceb52 compiling Queued build task to /kernel-tests/build-queue/i386-randconfig-x1-04191415-5e01dc7b26d9f24f39abace5da98ccbd6a5ceb52 Check for kernel in /kernel/i386-randconfig-x1-04191415/5e01dc7b26d9f24f39abace5da98ccbd6a5ceb52 waiting for completion of /kernel-tests/build-queue/i386-randconfig-x1-04191415-5e01dc7b26d9f24f39abace5da98ccbd6a5ceb52 waiting for completion of /kernel-tests/build-queue/.i386-randconfig-x1-04191415-5e01dc7b26d9f24f39abace5da98ccbd6a5ceb52 kernel: /kernel/i386-randconfig-x1-04191415/5e01dc7b26d9f24f39abace5da98ccbd6a5ceb52/vmlinuz-3.12.0 2014-04-19-14:51:10 detecting boot state . 1 16 18.......................... 20 SUCCESS bisect: good commit v3.12 git bisect start v3.13 v3.12 -- /c/kernel-tests/linear-bisect: ["-b", "v3.13", "-g", "v3.12", "/c/kernel-tests/bisect-test-boot-failure.sh", "/kernel-tests/linux8/obj-bisect"] Bisecting: 13288 revisions left to test after this (roughly 14 steps) [3bad8bb5cd3048a67df43ac6b1e2f191f19d9ff0] Merge branch 'for-next' of git://git.samba.org/sfrench/cifs-2.6 running /c/kernel-tests/bisect-test-boot-failure.sh /kernel-tests/linux8/obj-bisect ls -a /kernel-tests/run-queue/kvm/i386-randconfig-x1-04191415/next:master:3bad8bb5cd3048a67df43ac6b1e2f191f19d9ff0:bisect-linux8 2014-04-19-15:06:44 3bad8bb5cd3048a67df43ac6b1e2f191f19d9ff0 compiling Queued build task to /kernel-tests/build-queue/i386-randconfig-x1-04191415-3bad8bb5cd3048a67df43ac6b1e2f191f19d9ff0 Check for kernel in /kernel/i386-randconfig-x1-04191415/3bad8bb5cd3048a67df43ac6b1e2f191f19d9ff0 waiting for completion of /kernel-tests/build-queue/i386-randconfig-x1-04191415-3bad8bb5cd3048a67df43ac6b1e2f191f19d9ff0 waiting for completion of /kernel-tests/build-queue/.i386-randconfig-x1-04191415-3bad8bb5cd3048a67df43ac6b1e2f191f19d9ff0 kernel: /kernel/i386-randconfig-x1-04191415/3bad8bb5cd3048a67df43ac6b1e2f191f19d9ff0/vmlinuz-3.13.0-rc1-00216-g3bad8bb 2014-04-19-15:11:45 detecting boot state . 7 11................... 16. 17.... 20 SUCCESS Bisecting: 1697 revisions left to test after this (roughly 11 steps) [dd0508093b79141e0044ca02f0acb6319f69f546] Merge branch 'sched-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip running /c/kernel-tests/bisect-test-boot-failure.sh /kernel-tests/linux8/obj-bisect ls -a /kernel-tests/run-queue/kvm/i386-randconfig-x1-04191415/next:master:dd0508093b79141e0044ca02f0acb6319f69f546:bisect-linux8 2014-04-19-15:26:47 dd0508093b79141e0044ca02f0acb6319f69f546 compiling Queued build task to /kernel-tests/build-queue/i386-randconfig-x1-04191415-dd0508093b79141e0044ca02f0acb6319f69f546 Check for kernel in /kernel/i386-randconfig-x1-04191415/dd0508093b79141e0044ca02f0acb6319f69f546 waiting for completion of /kernel-tests/build-queue/i386-randconfig-x1-04191415-dd0508093b79141e0044ca02f0acb6319f69f546 waiting for completion of /kernel-tests/build-queue/.i386-randconfig-x1-04191415-dd0508093b79141e0044ca02f0acb6319f69f546 2014-04-19 15:28:47 Kernel build fail or timeout 2014-04-19-15:28:47 dd0508093b79141e0044ca02f0acb6319f69f546 SKIP BROKEN BUILD Check /kernel-tests/build-served/i386-randconfig-x1-04191415-dd0508093b79141e0044ca02f0acb6319f69f546 Bisecting: 1697 revisions left to test after this (roughly 11 steps) [843f4f4bb1a2c4c196a1af1d18bb6477a580ac78] Merge tag 'trace-fixes-3.13-rc2' of git://git.kernel.org/pub/scm/linux/kernel/git/rostedt/linux-trace running /c/kernel-tests/bisect-test-boot-failure.sh /kernel-tests/linux8/obj-bisect ls -a /kernel-tests/run-queue/kvm/i386-randconfig-x1-04191415/next:master:843f4f4bb1a2c4c196a1af1d18bb6477a580ac78:bisect-linux8 2014-04-19-15:28:48 843f4f4bb1a2c4c196a1af1d18bb6477a580ac78 compiling Queued build task to /kernel-tests/build-queue/i386-randconfig-x1-04191415-843f4f4bb1a2c4c196a1af1d18bb6477a580ac78 Check for kernel in /kernel/i386-randconfig-x1-04191415/843f4f4bb1a2c4c196a1af1d18bb6477a580ac78 waiting for completion of /kernel-tests/build-queue/i386-randconfig-x1-04191415-843f4f4bb1a2c4c196a1af1d18bb6477a580ac78 waiting for completion of /kernel-tests/build-queue/.i386-randconfig-x1-04191415-843f4f4bb1a2c4c196a1af1d18bb6477a580ac78 kernel: /kernel/i386-randconfig-x1-04191415/843f4f4bb1a2c4c196a1af1d18bb6477a580ac78/vmlinuz-3.13.0-rc2-00292-g843f4f4 2014-04-19-15:32:48 detecting boot state .. TEST FAILURE [ 8.160008] [ INFO: inconsistent lock state ] [ 8.160008] 3.13.0-rc2-00292-g843f4f4 #1 Tainted: G W [ 8.160008] --------------------------------- [ 8.160008] inconsistent {IN-SOFTIRQ-W} -> {SOFTIRQ-ON-W} usage. [ 8.160008] blkid/269 [HC0[0]:SC0[0]:HE1:SE1] takes: [ 8.160008] (&(&q->__queue_lock)->rlock){+.?...}, at: [] blk_flush_plug_list+0x122/0x1a8 [ 8.160008] {IN-SOFTIRQ-W} state was registered at: [ 8.160008] [] __lock_acquire+0x27d/0xbfe [ 8.160008] [] lock_acquire+0x56/0x72 [ 8.160008] [] _raw_spin_lock+0x24/0x54 [ 8.160008] [] scsi_device_unbusy+0x5b/0x7e [ 8.160008] [] scsi_finish_command+0x1d/0xc7 [ 8.160008] [] scsi_softirq_done+0xd6/0xde [ 8.160008] [] blk_done_softirq+0x6e/0x77 [ 8.160008] [] __do_softirq+0x94/0x16d [ 8.160008] [] run_ksoftirqd+0x1e/0x54 [ 8.160008] [] smpboot_thread_fn+0x102/0x116 [ 8.160008] [] kthread+0xa0/0xa5 [ 8.160008] [] ret_from_kernel_thread+0x1b/0x28 [ 8.160008] irq event stamp: 2972 [ 8.160008] hardirqs last enabled at (2969): [] _raw_spin_unlock_irq+0x22/0x30 [ 8.160008] hardirqs last disabled at (2970): [] blk_flush_plug_list+0xc8/0x1a8 [ 8.160008] softirqs last enabled at (2972): [] blkg_rwstat_read+0x1d/0x24 [ 8.160008] softirqs last disabled at (2971): [] blkg_rwstat_read+0x11/0x24 [ 8.160008] [ 8.160008] other info that might help us debug this: [ 8.160008] Possible unsafe locking scenario: [ 8.160008] [ 8.160008] CPU0 [ 8.160008] ---- [ 8.160008] lock(&(&q->__queue_lock)->rlock); [ 8.160008] [ 8.160008] lock(&(&q->__queue_lock)->rlock); [ 8.160008] [ 8.160008] *** DEADLOCK *** [ 8.160008] [ 8.160008] 1 lock held by blkid/269: [ 8.160008] #0: (&(&q->__queue_lock)->rlock){+.?...}, at: [] blk_flush_plug_list+0x122/0x1a8 [ 8.160008] [ 8.160008] stack backtrace: [ 8.160008] CPU: 0 PID: 269 Comm: blkid Tainted: G W 3.13.0-rc2-00292-g843f4f4 #1 [ 8.160008] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 8.160008] 00000000 ca4c50a0 ca5efb44 c0a2cd6a ca5efb70 c0a29545 c0d36ae6 c0d369e5 [ 8.160008] c0d369ad c0d369cc c0d369d6 c0d37862 ca4c54fc c0281058 00000010 ca5efb98 [ 8.160008] c0281624 00000006 00000000 ca4c50a0 00000004 00000006 ca4c54fc ca4c50a0 [ 8.160008] Call Trace: [ 8.160008] [] dump_stack+0x16/0x18 [ 8.160008] [] print_usage_bug+0x180/0x18d [ 8.160008] [] ? print_shortest_lock_dependencies+0x13c/0x13c [ 8.160008] [] mark_lock+0xf7/0x1df [ 8.160008] [] mark_held_locks+0x5b/0x72 [ 8.160008] [] ? _local_bh_enable_ip+0x8f/0x97 [ 8.160008] [] trace_hardirqs_on_caller+0x14b/0x165 [ 8.160008] [] ? blkg_rwstat_read+0x1d/0x24 [ 8.160008] [] trace_hardirqs_on+0xb/0xd [ 8.160008] [] _local_bh_enable_ip+0x8f/0x97 [ 8.160008] [] local_bh_enable+0xb/0xd [ 8.160008] [] blkg_rwstat_read+0x1d/0x24 [ 8.160008] [] __cfq_set_active_queue+0x6b/0x188 [ 8.160008] [] ? cfq_resort_rr_list+0x1f/0x23 [ 8.160008] [] ? __arch_hweight32+0x8/0xa [ 8.160008] [] ? cfq_update_idle_window.isra.80+0x7d/0xe4 [ 8.160008] [] ? kvm_clock_read+0x14/0x1d [ 8.160008] [] ? paravirt_sched_clock+0x9/0xd [ 8.160008] [] ? sched_clock+0x9/0xc [ 8.160008] [] cfq_dispatch_requests+0x528/0x7a8 [ 8.160008] [] ? paravirt_sched_clock+0x9/0xd [ 8.160008] [] ? sched_clock+0x9/0xc [ 8.160008] [] ? cfq_insert_request+0x18d/0x323 [ 8.160008] [] ? submit_bio+0xd5/0x107 [ 8.160008] [] ? list_sort+0x118/0x134 [ 8.160008] [] ? ioc_set_batching+0x2b/0x2b [ 8.160008] [] blk_peek_request+0x57/0x180 [ 8.160008] [] scsi_request_fn+0x38/0x42f [ 8.160008] [] ? lock_acquired+0xd9/0x1c9 [ 8.160008] [] __blk_run_queue_uncond+0x21/0x2a [ 8.160008] [] __blk_run_queue+0x13/0x15 [ 8.160008] [] blk_flush_plug_list+0x173/0x1a8 [ 8.160008] [] blk_finish_plug+0xd/0x27 [ 8.160008] [] __do_page_cache_readahead+0x151/0x167 [ 8.160008] [] force_page_cache_readahead+0x56/0x77 [ 8.160008] [] page_cache_sync_readahead+0x25/0x3d [ 8.160008] [] generic_file_aio_read+0x23d/0x536 [ 8.160008] [] blkdev_aio_read+0x5d/0x6b [ 8.160008] [] do_sync_read+0x4c/0x73 [ 8.160008] [] ? do_sync_readv_writev+0x6f/0x6f [ 8.160008] [] vfs_read+0x5d/0x98 [ 8.160008] [] SyS_read+0x3e/0x6b [ 8.160008] [] sysenter_do_call+0x12/0x3c [ 8.820789] init: failsafe main process (294) killed by TERM signal Kernel tests: Boot OK! [ 67.609710] reboot: Restarting system /kernel/i386-randconfig-x1-04191415/843f4f4bb1a2c4c196a1af1d18bb6477a580ac78/dmesg-quantal-f2-17:20140419153322:i386-randconfig-x1-04191415:3.13.0-rc2-00292-g843f4f4:1 /kernel/i386-randconfig-x1-04191415/843f4f4bb1a2c4c196a1af1d18bb6477a580ac78/dmesg-quantal-f3-111:20140419153322:i386-randconfig-x1-04191415:3.13.0-rc2-00292-g843f4f4:1 /kernel/i386-randconfig-x1-04191415/843f4f4bb1a2c4c196a1af1d18bb6477a580ac78/dmesg-quantal-f3-77:20140419153322:i386-randconfig-x1-04191415:3.13.0-rc2-00292-g843f4f4:1 /kernel/i386-randconfig-x1-04191415/843f4f4bb1a2c4c196a1af1d18bb6477a580ac78/dmesg-quantal-ivytown2-94:20140419153321:i386-randconfig-x1-04191415:3.13.0-rc2-00292-g843f4f4:1 /kernel/i386-randconfig-x1-04191415/843f4f4bb1a2c4c196a1af1d18bb6477a580ac78/dmesg-quantal-f4-125:20140419153323:i386-randconfig-x1-04191415:3.13.0-rc2-00292-g843f4f4:1 /kernel/i386-randconfig-x1-04191415/843f4f4bb1a2c4c196a1af1d18bb6477a580ac78/dmesg-quantal-lkp-ib04-2:20140419153323:i386-randconfig-x1-04191415:3.13.0-rc2-00292-g843f4f4:1 /kernel/i386-randconfig-x1-04191415/843f4f4bb1a2c4c196a1af1d18bb6477a580ac78/dmesg-yocto-inn-43:20140419153332:i386-randconfig-x1-04191415:: /kernel/i386-randconfig-x1-04191415/843f4f4bb1a2c4c196a1af1d18bb6477a580ac78/dmesg-yocto-inn-87:20140419153332:i386-randconfig-x1-04191415:: /kernel/i386-randconfig-x1-04191415/843f4f4bb1a2c4c196a1af1d18bb6477a580ac78/dmesg-yocto-f2-100:20140419153333:i386-randconfig-x1-04191415:3.13.0-rc2-00292-g843f4f4:1 /kernel/i386-randconfig-x1-04191415/843f4f4bb1a2c4c196a1af1d18bb6477a580ac78/dmesg-yocto-f2-28:20140419153334:i386-randconfig-x1-04191415:3.13.0-rc2-00292-g843f4f4:1 /kernel/i386-randconfig-x1-04191415/843f4f4bb1a2c4c196a1af1d18bb6477a580ac78/dmesg-yocto-f3-118:20140419153334:i386-randconfig-x1-04191415:3.13.0-rc2-00292-g843f4f4:1 /kernel/i386-randconfig-x1-04191415/843f4f4bb1a2c4c196a1af1d18bb6477a580ac78/dmesg-yocto-inn-74:20140419153334:i386-randconfig-x1-04191415:: 0:12:12 all_good:bad:all_bad boots 2014-04-19 15:33:50 REPEAT COUNT: 20 # /kernel-tests/linux8/obj-bisect/.repeat Bisecting: 400 revisions left to test after this (roughly 9 steps) [a45299e72737c528975546a0680cace5d7364d27] Merge branch 'irq-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip running /c/kernel-tests/bisect-test-boot-failure.sh /kernel-tests/linux8/obj-bisect ls -a /kernel-tests/run-queue/kvm/i386-randconfig-x1-04191415/next:master:a45299e72737c528975546a0680cace5d7364d27:bisect-linux8 2014-04-19-15:33:51 a45299e72737c528975546a0680cace5d7364d27 compiling Queued build task to /kernel-tests/build-queue/i386-randconfig-x1-04191415-a45299e72737c528975546a0680cace5d7364d27 Check for kernel in /kernel/i386-randconfig-x1-04191415/a45299e72737c528975546a0680cace5d7364d27 waiting for completion of /kernel-tests/build-queue/i386-randconfig-x1-04191415-a45299e72737c528975546a0680cace5d7364d27 waiting for completion of /kernel-tests/build-queue/.i386-randconfig-x1-04191415-a45299e72737c528975546a0680cace5d7364d27 kernel: /kernel/i386-randconfig-x1-04191415/a45299e72737c528975546a0680cace5d7364d27/vmlinuz-3.13.0-rc2-00119-ga45299e 2014-04-19-15:41:51 detecting boot state . 4 15 17....................... 18.. 20 SUCCESS Bisecting: 207 revisions left to test after this (roughly 8 steps) [09759d1e13e06c2f6346b1b3285fbde2c1e794c6] Merge tag 'sound-3.13-rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound running /c/kernel-tests/bisect-test-boot-failure.sh /kernel-tests/linux8/obj-bisect ls -a /kernel-tests/run-queue/kvm/i386-randconfig-x1-04191415/next:master:09759d1e13e06c2f6346b1b3285fbde2c1e794c6:bisect-linux8 2014-04-19-15:57:22 09759d1e13e06c2f6346b1b3285fbde2c1e794c6 compiling Queued build task to /kernel-tests/build-queue/i386-randconfig-x1-04191415-09759d1e13e06c2f6346b1b3285fbde2c1e794c6 Check for kernel in /kernel/i386-randconfig-x1-04191415/09759d1e13e06c2f6346b1b3285fbde2c1e794c6 waiting for completion of /kernel-tests/build-queue/i386-randconfig-x1-04191415-09759d1e13e06c2f6346b1b3285fbde2c1e794c6 waiting for completion of /kernel-tests/build-queue/.i386-randconfig-x1-04191415-09759d1e13e06c2f6346b1b3285fbde2c1e794c6 kernel: /kernel/i386-randconfig-x1-04191415/09759d1e13e06c2f6346b1b3285fbde2c1e794c6/vmlinuz-3.13.0-rc2-00257-g09759d1 2014-04-19-16:00:22 detecting boot state . 6 18 19....................... 20 SUCCESS Bisecting: 69 revisions left to test after this (roughly 7 steps) [b52b342d31fecfeab0e2a256dfd84ea84954a8d3] Merge branch 'stable' of git://git.kernel.org/pub/scm/linux/kernel/git/cmetcalf/linux-tile running /c/kernel-tests/bisect-test-boot-failure.sh /kernel-tests/linux8/obj-bisect ls -a /kernel-tests/run-queue/kvm/i386-randconfig-x1-04191415/next:master:b52b342d31fecfeab0e2a256dfd84ea84954a8d3:bisect-linux8 2014-04-19-16:14:23 b52b342d31fecfeab0e2a256dfd84ea84954a8d3 compiling Queued build task to /kernel-tests/build-queue/i386-randconfig-x1-04191415-b52b342d31fecfeab0e2a256dfd84ea84954a8d3 Check for kernel in /kernel/i386-randconfig-x1-04191415/b52b342d31fecfeab0e2a256dfd84ea84954a8d3 waiting for completion of /kernel-tests/build-queue/i386-randconfig-x1-04191415-b52b342d31fecfeab0e2a256dfd84ea84954a8d3 waiting for completion of /kernel-tests/build-queue/.i386-randconfig-x1-04191415-b52b342d31fecfeab0e2a256dfd84ea84954a8d3 kernel: /kernel/i386-randconfig-x1-04191415/b52b342d31fecfeab0e2a256dfd84ea84954a8d3/vmlinuz-3.13.0-rc2-00251-gb52b342 2014-04-19-16:19:24 detecting boot state .. TEST FAILURE [ 10.056018] [ INFO: inconsistent lock state ] [ 10.056018] 3.13.0-rc2-00251-gb52b342 #1 Tainted: G W [ 10.056018] --------------------------------- [ 10.056018] inconsistent {IN-SOFTIRQ-W} -> {SOFTIRQ-ON-W} usage. [ 10.056018] blkid/301 [HC0[0]:SC0[0]:HE1:SE1] takes: [ 10.056018] (&(&q->__queue_lock)->rlock){+.?...}, at: [] blk_flush_plug_list+0x122/0x1a8 [ 10.056018] {IN-SOFTIRQ-W} state was registered at: [ 10.056018] [] __lock_acquire+0x27d/0xbfe [ 10.056018] [] lock_acquire+0x56/0x72 [ 10.056018] [] _raw_spin_lock+0x24/0x54 [ 10.056018] [] scsi_device_unbusy+0x5b/0x7e [ 10.056018] [] scsi_finish_command+0x1d/0xc7 [ 10.056018] [] scsi_softirq_done+0xd6/0xde [ 10.056018] [] blk_done_softirq+0x6e/0x77 [ 10.056018] [] __do_softirq+0x94/0x16d [ 10.056018] [] run_ksoftirqd+0x1e/0x54 [ 10.056018] [] smpboot_thread_fn+0x102/0x116 [ 10.056018] [] kthread+0xa0/0xa5 [ 10.056018] [] ret_from_kernel_thread+0x1b/0x28 [ 10.056018] irq event stamp: 2950 [ 10.056018] hardirqs last enabled at (2947): [] _raw_spin_unlock_irq+0x22/0x30 [ 10.056018] hardirqs last disabled at (2948): [] blk_flush_plug_list+0xc8/0x1a8 [ 10.056018] softirqs last enabled at (2950): [] blkg_rwstat_read+0x1d/0x24 [ 10.056018] softirqs last disabled at (2949): [] blkg_rwstat_read+0x11/0x24 [ 10.056018] [ 10.056018] other info that might help us debug this: [ 10.056018] Possible unsafe locking scenario: [ 10.056018] [ 10.056018] CPU0 [ 10.056018] ---- [ 10.056018] lock(&(&q->__queue_lock)->rlock); [ 10.056018] [ 10.056018] lock(&(&q->__queue_lock)->rlock); [ 10.056018] [ 10.056018] *** DEADLOCK *** [ 10.056018] [ 10.056018] 1 lock held by blkid/301: [ 10.056018] #0: (&(&q->__queue_lock)->rlock){+.?...}, at: [] blk_flush_plug_list+0x122/0x1a8 [ 10.056018] [ 10.056018] stack backtrace: [ 10.056018] CPU: 0 PID: 301 Comm: blkid Tainted: G W 3.13.0-rc2-00251-gb52b342 #1 [ 10.056018] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 10.056018] 00000000 c6232850 c62bbb44 c0a2cd12 c62bbb70 c0a294ed c0d36ac2 c0d369c1 [ 10.056018] c0d36989 c0d369a8 c0d369b2 c0d3783e c6232cac c0281058 00000010 c62bbb98 [ 10.056018] c0281624 00000006 00000000 c6232850 00000004 00000006 c6232cac c6232850 [ 10.056018] Call Trace: [ 10.056018] [] dump_stack+0x16/0x18 [ 10.056018] [] print_usage_bug+0x180/0x18d [ 10.056018] [] ? print_shortest_lock_dependencies+0x13c/0x13c [ 10.056018] [] mark_lock+0xf7/0x1df [ 10.056018] [] mark_held_locks+0x5b/0x72 [ 10.056018] [] ? _local_bh_enable_ip+0x8f/0x97 [ 10.056018] [] trace_hardirqs_on_caller+0x14b/0x165 [ 10.056018] [] ? blkg_rwstat_read+0x1d/0x24 [ 10.056018] [] trace_hardirqs_on+0xb/0xd [ 10.056018] [] _local_bh_enable_ip+0x8f/0x97 [ 10.056018] [] local_bh_enable+0xb/0xd [ 10.056018] [] blkg_rwstat_read+0x1d/0x24 [ 10.056018] [] __cfq_set_active_queue+0x6b/0x188 [ 10.056018] [] ? cfq_resort_rr_list+0x1f/0x23 [ 10.056018] [] ? __arch_hweight32+0x8/0xa [ 10.056018] [] ? cfq_update_idle_window.isra.80+0x7d/0xe4 [ 10.056018] [] ? kvm_clock_read+0x14/0x1d [ 10.056018] [] ? paravirt_sched_clock+0x9/0xd [ 10.056018] [] ? sched_clock+0x9/0xc [ 10.056018] [] cfq_dispatch_requests+0x528/0x7a8 [ 10.056018] [] ? paravirt_sched_clock+0x9/0xd [ 10.056018] [] ? sched_clock+0x9/0xc [ 10.056018] [] ? cfq_insert_request+0x18d/0x323 [ 10.056018] [] ? submit_bio+0xd5/0x107 [ 10.056018] [] ? list_sort+0x118/0x134 [ 10.056018] [] ? ioc_set_batching+0x2b/0x2b [ 10.056018] [] blk_peek_request+0x57/0x180 [ 10.056018] [] scsi_request_fn+0x38/0x42f [ 10.056018] [] ? lock_acquired+0xd9/0x1c9 [ 10.056018] [] __blk_run_queue_uncond+0x21/0x2a [ 10.056018] [] __blk_run_queue+0x13/0x15 [ 10.056018] [] blk_flush_plug_list+0x173/0x1a8 [ 10.056018] [] blk_finish_plug+0xd/0x27 [ 10.056018] [] __do_page_cache_readahead+0x151/0x167 [ 10.056018] [] force_page_cache_readahead+0x56/0x77 [ 10.056018] [] page_cache_sync_readahead+0x25/0x3d [ 10.056018] [] generic_file_aio_read+0x23d/0x536 [ 10.056018] [] blkdev_aio_read+0x5d/0x6b [ 10.056018] [] do_sync_read+0x4c/0x73 [ 10.056018] [] ? do_sync_readv_writev+0x6f/0x6f [ 10.056018] [] vfs_read+0x5d/0x98 [ 10.056018] [] SyS_read+0x3e/0x6b [ 10.056018] [] sysenter_do_call+0x12/0x3c [ 10.902947] init: failsafe main process (326) killed by TERM signal Kernel tests: Boot OK! [ 69.427632] reboot: Restarting system /kernel/i386-randconfig-x1-04191415/b52b342d31fecfeab0e2a256dfd84ea84954a8d3/dmesg-quantal-athens-51:20140419162010:i386-randconfig-x1-04191415:3.13.0-rc2-00251-gb52b342:1 /kernel/i386-randconfig-x1-04191415/b52b342d31fecfeab0e2a256dfd84ea84954a8d3/dmesg-quantal-f2-126:20140419162009:i386-randconfig-x1-04191415:3.13.0-rc2-00251-gb52b342:1 /kernel/i386-randconfig-x1-04191415/b52b342d31fecfeab0e2a256dfd84ea84954a8d3/dmesg-quantal-f2-31:20140419162009:i386-randconfig-x1-04191415:3.13.0-rc2-00251-gb52b342:1 /kernel/i386-randconfig-x1-04191415/b52b342d31fecfeab0e2a256dfd84ea84954a8d3/dmesg-quantal-inn-14:20140419162012:i386-randconfig-x1-04191415:: /kernel/i386-randconfig-x1-04191415/b52b342d31fecfeab0e2a256dfd84ea84954a8d3/dmesg-quantal-ivytown2-4:20140419162011:i386-randconfig-x1-04191415:3.13.0-rc2-00251-gb52b342:1 /kernel/i386-randconfig-x1-04191415/b52b342d31fecfeab0e2a256dfd84ea84954a8d3/dmesg-yocto-f3-88:20140419162013:i386-randconfig-x1-04191415:3.13.0-rc2-00251-gb52b342:1 /kernel/i386-randconfig-x1-04191415/b52b342d31fecfeab0e2a256dfd84ea84954a8d3/dmesg-yocto-f1-48:20140419162017:i386-randconfig-x1-04191415:3.13.0-rc2-00251-gb52b342:1 0:7:7 all_good:bad:all_bad boots 2014-04-19 16:20:25 REPEAT COUNT: 20 # /kernel-tests/linux8/obj-bisect/.repeat Bisecting: 28 revisions left to test after this (roughly 5 steps) [ef1e4e32d595d3e6c9a6d3d2956f087d5886c5e5] Merge tag 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/mason/linux-btrfs running /c/kernel-tests/bisect-test-boot-failure.sh /kernel-tests/linux8/obj-bisect ls -a /kernel-tests/run-queue/kvm/i386-randconfig-x1-04191415/next:master:ef1e4e32d595d3e6c9a6d3d2956f087d5886c5e5:bisect-linux8 2014-04-19-16:20:26 ef1e4e32d595d3e6c9a6d3d2956f087d5886c5e5 compiling Queued build task to /kernel-tests/build-queue/i386-randconfig-x1-04191415-ef1e4e32d595d3e6c9a6d3d2956f087d5886c5e5 Check for kernel in /kernel/i386-randconfig-x1-04191415/ef1e4e32d595d3e6c9a6d3d2956f087d5886c5e5 waiting for completion of /kernel-tests/build-queue/i386-randconfig-x1-04191415-ef1e4e32d595d3e6c9a6d3d2956f087d5886c5e5 kernel: /kernel/i386-randconfig-x1-04191415/ef1e4e32d595d3e6c9a6d3d2956f087d5886c5e5/vmlinuz-3.13.0-rc2-00231-gef1e4e3 2014-04-19-16:21:27 detecting boot state . 2 12 14.................... 15. 18.. 20 SUCCESS Bisecting: 20 revisions left to test after this (roughly 5 steps) [29be6345bbaec8502a70c4e2204d5818b48c4e8f] Merge tag 'nfs-for-3.13-3' of git://git.linux-nfs.org/projects/trondmy/linux-nfs running /c/kernel-tests/bisect-test-boot-failure.sh /kernel-tests/linux8/obj-bisect ls -a /kernel-tests/run-queue/kvm/i386-randconfig-x1-04191415/next:master:29be6345bbaec8502a70c4e2204d5818b48c4e8f:bisect-linux8 2014-04-19-16:36:28 29be6345bbaec8502a70c4e2204d5818b48c4e8f compiling Queued build task to /kernel-tests/build-queue/i386-randconfig-x1-04191415-29be6345bbaec8502a70c4e2204d5818b48c4e8f Check for kernel in /kernel/i386-randconfig-x1-04191415/29be6345bbaec8502a70c4e2204d5818b48c4e8f waiting for completion of /kernel-tests/build-queue/i386-randconfig-x1-04191415-29be6345bbaec8502a70c4e2204d5818b48c4e8f waiting for completion of /kernel-tests/build-queue/.i386-randconfig-x1-04191415-29be6345bbaec8502a70c4e2204d5818b48c4e8f kernel: /kernel/i386-randconfig-x1-04191415/29be6345bbaec8502a70c4e2204d5818b48c4e8f/vmlinuz-3.13.0-rc2-00241-g29be634 2014-04-19-16:39:28 detecting boot state ... 14 16................... 18.. 20 SUCCESS Bisecting: 10 revisions left to test after this (roughly 4 steps) [5ee540613db504a10e15fafaf4c08cac96aa1823] Merge branch 'for-linus' of git://git.kernel.dk/linux-block running /c/kernel-tests/bisect-test-boot-failure.sh /kernel-tests/linux8/obj-bisect ls -a /kernel-tests/run-queue/kvm/i386-randconfig-x1-04191415/next:master:5ee540613db504a10e15fafaf4c08cac96aa1823:bisect-linux8 2014-04-19-16:53:29 5ee540613db504a10e15fafaf4c08cac96aa1823 compiling Queued build task to /kernel-tests/build-queue/i386-randconfig-x1-04191415-5ee540613db504a10e15fafaf4c08cac96aa1823 Check for kernel in /kernel/i386-randconfig-x1-04191415/5ee540613db504a10e15fafaf4c08cac96aa1823 waiting for completion of /kernel-tests/build-queue/i386-randconfig-x1-04191415-5ee540613db504a10e15fafaf4c08cac96aa1823 waiting for completion of /kernel-tests/build-queue/.i386-randconfig-x1-04191415-5ee540613db504a10e15fafaf4c08cac96aa1823 kernel: /kernel/i386-randconfig-x1-04191415/5ee540613db504a10e15fafaf4c08cac96aa1823/vmlinuz-3.13.0-rc2-00283-g5ee5406 2014-04-19-16:59:29 detecting boot state ... TEST FAILURE [ 10.078724] init: Failed to create pty - disabling logging for job [ 10.079984] init: Temporary process spawn error: No space left on device [ 10.979168] ------------[ cut here ]------------ [ 10.979205] WARNING: CPU: 0 PID: 269 at kernel/softirq.c:156 _local_bh_enable_ip+0x34/0x97() [ 10.979209] CPU: 0 PID: 269 Comm: blkid Not tainted 3.13.0-rc2-00283-g5ee5406 #1 [ 10.979210] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 10.979215] 00000000 00000000 ca563ba8 c0a2cd12 ca563bc0 c025d98d c02606fe c04ef97a [ 10.979218] cbcad044 ca563c2c ca563bd0 c025da2a 00000009 00000000 ca563bdc c02606fe [ 10.979222] ca563c0c ca563be4 c026076c ca563bf8 c04ef97a cb518140 cbcace10 cb4dc2b0 [ 10.979222] Call Trace: [ 10.979243] [] dump_stack+0x16/0x18 [ 10.979249] [] warn_slowpath_common+0x50/0x67 [ 10.979252] [] ? _local_bh_enable_ip+0x34/0x97 [ 10.979264] [] ? blkg_rwstat_read+0x1d/0x24 [ 10.979267] [] warn_slowpath_null+0xf/0x13 [ 10.979269] [] _local_bh_enable_ip+0x34/0x97 [ 10.979271] [] local_bh_enable+0xb/0xd [ 10.979273] [] blkg_rwstat_read+0x1d/0x24 [ 10.979276] [] __cfq_set_active_queue+0x6b/0x188 [ 10.979279] [] ? cfq_resort_rr_list+0x1f/0x23 [ 10.979285] [] ? __arch_hweight32+0x8/0xa [ 10.979287] [] ? cfq_update_idle_window.isra.80+0x7d/0xe4 [ 10.979293] [] ? kvm_clock_read+0x14/0x1d [ 10.979298] [] ? paravirt_sched_clock+0x9/0xd [ 10.979299] [] ? sched_clock+0x9/0xc [ 10.979301] [] cfq_dispatch_requests+0x528/0x7a8 [ 10.979303] [] ? paravirt_sched_clock+0x9/0xd [ 10.979305] [] ? sched_clock+0x9/0xc [ 10.979306] [] ? cfq_insert_request+0x18d/0x323 [ 10.979310] [] ? submit_bio+0xd5/0x107 [ 10.979316] [] ? list_sort+0x118/0x134 [ 10.979319] [] ? ioc_set_batching+0x2b/0x2b [ 10.979320] [] blk_peek_request+0x57/0x180 [ 10.979332] [] scsi_request_fn+0x38/0x42f [ 10.979336] [] ? lock_acquired+0xd9/0x1c9 [ 10.979338] [] __blk_run_queue_uncond+0x21/0x2a [ 10.979340] [] __blk_run_queue+0x13/0x15 [ 10.979341] [] blk_flush_plug_list+0x173/0x1a8 [ 10.979343] [] blk_finish_plug+0xd/0x27 [ 10.979351] [] __do_page_cache_readahead+0x151/0x167 [ 10.979353] [] force_page_cache_readahead+0x56/0x77 [ 10.979354] [] page_cache_sync_readahead+0x25/0x3d [ 10.979357] [] generic_file_aio_read+0x23d/0x536 [ 10.979364] [] blkdev_aio_read+0x5d/0x6b [ 10.979368] [] do_sync_read+0x4c/0x73 [ 10.979370] [] ? do_sync_readv_writev+0x6f/0x6f [ 10.979371] [] vfs_read+0x5d/0x98 [ 10.979374] [] SyS_read+0x3e/0x6b [ 10.979386] [] sysenter_do_call+0x12/0x3c [ 10.979387] ---[ end trace e495f288376064e2 ]--- [ 10.979398] /kernel/i386-randconfig-x1-04191415/5ee540613db504a10e15fafaf4c08cac96aa1823/dmesg-quantal-f4-42:20140419170034:i386-randconfig-x1-04191415:3.13.0-rc2-00283-g5ee5406:1 /kernel/i386-randconfig-x1-04191415/5ee540613db504a10e15fafaf4c08cac96aa1823/dmesg-quantal-ivytown2-16:20140419170034:i386-randconfig-x1-04191415:3.13.0-rc2-00283-g5ee5406:1 /kernel/i386-randconfig-x1-04191415/5ee540613db504a10e15fafaf4c08cac96aa1823/dmesg-quantal-f2-54:20140419170035:i386-randconfig-x1-04191415:3.13.0-rc2-00283-g5ee5406:1 /kernel/i386-randconfig-x1-04191415/5ee540613db504a10e15fafaf4c08cac96aa1823/dmesg-quantal-lkp-ib04-90:20140419170039:i386-randconfig-x1-04191415:3.13.0-rc2-00283-g5ee5406:1 /kernel/i386-randconfig-x1-04191415/5ee540613db504a10e15fafaf4c08cac96aa1823/dmesg-quantal-xian-37:20140419170036:i386-randconfig-x1-04191415:3.13.0-rc2-00283-g5ee5406:1 /kernel/i386-randconfig-x1-04191415/5ee540613db504a10e15fafaf4c08cac96aa1823/dmesg-yocto-ivytown2-70:20140419170046:i386-randconfig-x1-04191415:3.13.0-rc2-00283-g5ee5406:1 0:6:6 all_good:bad:all_bad boots 2014-04-19 17:01:01 REPEAT COUNT: 20 # /kernel-tests/linux8/obj-bisect/.repeat linear-bisect: bad branch may be branch 'for-linus' of git://git.kernel.dk/linux-block linear-bisect: handle over to git bisect linear-bisect: git bisect start 5ee540613db504a10e15fafaf4c08cac96aa1823 29be6345bbaec8502a70c4e2204d5818b48c4e8f -- Previous HEAD position was 5ee5406... Merge branch 'for-linus' of git://git.kernel.dk/linux-block HEAD is now at 2b650e0... Merge 'vireshk/tick-cleanups' into devel-cairo-x86_64-201404150102 Bisecting: 2 revisions left to test after this (roughly 2 steps) [e345d767f6530ec9cb0aabab7ea248072a9c6975] Merge branch 'stable/for-jens-3.13-take-two' of git://git.kernel.org/pub/scm/linux/kernel/git/xen/tip into for-linus linear-bisect: git bisect run /c/kernel-tests/bisect-test-boot-failure.sh /kernel-tests/linux8/obj-bisect running /c/kernel-tests/bisect-test-boot-failure.sh /kernel-tests/linux8/obj-bisect ls -a /kernel-tests/run-queue/kvm/i386-randconfig-x1-04191415/next:master:e345d767f6530ec9cb0aabab7ea248072a9c6975:bisect-linux8 2014-04-19-17:03:01 e345d767f6530ec9cb0aabab7ea248072a9c6975 compiling Queued build task to /kernel-tests/build-queue/i386-randconfig-x1-04191415-e345d767f6530ec9cb0aabab7ea248072a9c6975 Check for kernel in /kernel/i386-randconfig-x1-04191415/e345d767f6530ec9cb0aabab7ea248072a9c6975 waiting for completion of /kernel-tests/build-queue/i386-randconfig-x1-04191415-e345d767f6530ec9cb0aabab7ea248072a9c6975 waiting for completion of /kernel-tests/build-queue/.i386-randconfig-x1-04191415-e345d767f6530ec9cb0aabab7ea248072a9c6975 kernel: /kernel/i386-randconfig-x1-04191415/e345d767f6530ec9cb0aabab7ea248072a9c6975/vmlinuz-3.12.0-10882-ge345d76 2014-04-19-17:07:02 detecting boot state ... TEST FAILURE [ 8.728017] [ INFO: inconsistent lock state ] [ 8.728017] 3.12.0-10882-ge345d76 #1 Tainted: G W [ 8.728017] --------------------------------- [ 8.728017] inconsistent {IN-SOFTIRQ-W} -> {SOFTIRQ-ON-W} usage. [ 8.728017] blkid/270 [HC0[0]:SC0[0]:HE1:SE1] takes: [ 8.728017] (&(&q->__queue_lock)->rlock){+.?...}, at: [] blk_flush_plug_list+0x122/0x1a8 [ 8.728017] {IN-SOFTIRQ-W} state was registered at: [ 8.728017] [] __lock_acquire+0x27d/0xbfe [ 8.728017] [] lock_acquire+0x56/0x72 [ 8.728017] [] _raw_spin_lock+0x24/0x54 [ 8.728017] [] scsi_device_unbusy+0x5b/0x7e [ 8.728017] [] scsi_finish_command+0x1d/0xc7 [ 8.728017] [] scsi_softirq_done+0xd6/0xde [ 8.728017] [] blk_done_softirq+0x6e/0x77 [ 8.728017] [] __do_softirq+0x94/0x16d [ 8.728017] [] run_ksoftirqd+0x1e/0x54 [ 8.728017] [] smpboot_thread_fn+0x102/0x116 [ 8.728017] [] kthread+0xa0/0xa5 [ 8.728017] [] ret_from_kernel_thread+0x1b/0x28 [ 8.728017] irq event stamp: 2984 [ 8.728017] hardirqs last enabled at (2981): [] _raw_spin_unlock_irq+0x22/0x30 [ 8.728017] hardirqs last disabled at (2982): [] blk_flush_plug_list+0xc8/0x1a8 [ 8.728017] softirqs last enabled at (2984): [] blkg_rwstat_read+0x1d/0x24 [ 8.728017] softirqs last disabled at (2983): [] blkg_rwstat_read+0x11/0x24 [ 8.728017] [ 8.728017] other info that might help us debug this: [ 8.728017] Possible unsafe locking scenario: [ 8.728017] [ 8.728017] CPU0 [ 8.728017] ---- [ 8.728017] lock(&(&q->__queue_lock)->rlock); [ 8.728017] [ 8.728017] lock(&(&q->__queue_lock)->rlock); [ 8.728017] [ 8.728017] *** DEADLOCK *** [ 8.728017] [ 8.728017] 1 lock held by blkid/270: [ 8.728017] #0: (&(&q->__queue_lock)->rlock){+.?...}, at: [] blk_flush_plug_list+0x122/0x1a8 [ 8.728017] [ 8.728017] stack backtrace: [ 8.728017] CPU: 0 PID: 270 Comm: blkid Tainted: G W 3.12.0-10882-ge345d76 #1 [ 8.728017] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 8.728017] 00000000 ca664330 ca66db44 c0a2b390 ca66db70 c0a27b6b c0d35248 c0d35147 [ 8.728017] c0d3510f c0d3512e c0d35138 c0d35fc4 ca66478c c0281162 00000010 ca66db98 [ 8.728017] c028172e 00000006 00000000 ca664330 00000004 00000006 ca66478c ca664330 [ 8.728017] Call Trace: [ 8.728017] [] dump_stack+0x16/0x18 [ 8.728017] [] print_usage_bug+0x180/0x18d [ 8.728017] [] ? print_shortest_lock_dependencies+0x13c/0x13c [ 8.728017] [] mark_lock+0xf7/0x1df [ 8.728017] [] mark_held_locks+0x5b/0x72 [ 8.728017] [] ? _local_bh_enable_ip+0x8f/0x97 [ 8.728017] [] trace_hardirqs_on_caller+0x14b/0x165 [ 8.728017] [] ? blkg_rwstat_read+0x1d/0x24 [ 8.728017] [] trace_hardirqs_on+0xb/0xd [ 8.728017] [] _local_bh_enable_ip+0x8f/0x97 [ 8.728017] [] local_bh_enable+0xb/0xd [ 8.728017] [] blkg_rwstat_read+0x1d/0x24 [ 8.728017] [] __cfq_set_active_queue+0x6b/0x188 [ 8.728017] [] ? cfq_resort_rr_list+0x1f/0x23 [ 8.728017] [] ? __arch_hweight32+0x8/0xa [ 8.728017] [] ? cfq_update_idle_window.isra.80+0x7d/0xe4 [ 8.728017] [] ? kvm_clock_read+0x14/0x1d [ 8.728017] [] ? paravirt_sched_clock+0x9/0xd [ 8.728017] [] ? sched_clock+0x9/0xc [ 8.728017] [] cfq_dispatch_requests+0x528/0x7a8 [ 8.728017] [] ? paravirt_sched_clock+0x9/0xd [ 8.728017] [] ? sched_clock+0x9/0xc [ 8.728017] [] ? cfq_insert_request+0x18d/0x323 [ 8.728017] [] ? submit_bio+0xd5/0x107 [ 8.728017] [] ? list_sort+0x118/0x134 [ 8.728017] [] ? ioc_set_batching+0x2b/0x2b [ 8.728017] [] blk_peek_request+0x57/0x180 [ 8.728017] [] scsi_request_fn+0x38/0x42f [ 8.728017] [] ? lock_acquired+0xd9/0x1c9 [ 8.728017] [] __blk_run_queue_uncond+0x21/0x2a [ 8.728017] [] __blk_run_queue+0x13/0x15 [ 8.728017] [] blk_flush_plug_list+0x173/0x1a8 [ 8.728017] [] blk_finish_plug+0xd/0x27 [ 8.728017] [] __do_page_cache_readahead+0x151/0x167 [ 8.728017] [] force_page_cache_readahead+0x56/0x77 [ 8.728017] [] page_cache_sync_readahead+0x25/0x3d [ 8.728017] [] generic_file_aio_read+0x23d/0x536 [ 8.728017] [] blkdev_aio_read+0x5d/0x6b [ 8.728017] [] do_sync_read+0x4c/0x73 [ 8.728017] [] ? do_sync_readv_writev+0x6f/0x6f [ 8.728017] [] vfs_read+0x5d/0x98 [ 8.728017] [] SyS_read+0x3e/0x6b [ 8.728017] [] sysenter_do_call+0x12/0x3c [ 9.531395] init: failsafe main process (296) killed by TERM signal Kernel tests: Boot OK! [ 68.026231] reboot: Restarting system /kernel/i386-randconfig-x1-04191415/e345d767f6530ec9cb0aabab7ea248072a9c6975/dmesg-quantal-f2-46:20140419170811:i386-randconfig-x1-04191415:3.12.0-10882-ge345d76:1 /kernel/i386-randconfig-x1-04191415/e345d767f6530ec9cb0aabab7ea248072a9c6975/dmesg-quantal-f3-80:20140419170807:i386-randconfig-x1-04191415:3.12.0-10882-ge345d76:1 /kernel/i386-randconfig-x1-04191415/e345d767f6530ec9cb0aabab7ea248072a9c6975/dmesg-quantal-ivytown2-93:20140419170808:i386-randconfig-x1-04191415:3.12.0-10882-ge345d76:1 /kernel/i386-randconfig-x1-04191415/e345d767f6530ec9cb0aabab7ea248072a9c6975/dmesg-quantal-f3-122:20140419170819:i386-randconfig-x1-04191415:3.12.0-10882-ge345d76:1 /kernel/i386-randconfig-x1-04191415/e345d767f6530ec9cb0aabab7ea248072a9c6975/dmesg-quantal-f3-2:20140419170822:i386-randconfig-x1-04191415:3.12.0-10882-ge345d76:1 0:5:5 all_good:bad:all_bad boots 2014-04-19 17:08:33 REPEAT COUNT: 20 # /kernel-tests/linux8/obj-bisect/.repeat Bisecting: 2 revisions left to test after this (roughly 1 step) [c170bbb45febc03ac4d34ba2b8bb55e06104b7e7] block: submit_bio_wait() conversions running /c/kernel-tests/bisect-test-boot-failure.sh /kernel-tests/linux8/obj-bisect ls -a /kernel-tests/run-queue/kvm/i386-randconfig-x1-04191415/next:master:c170bbb45febc03ac4d34ba2b8bb55e06104b7e7:bisect-linux8 2014-04-19-17:08:35 c170bbb45febc03ac4d34ba2b8bb55e06104b7e7 compiling Queued build task to /kernel-tests/build-queue/i386-randconfig-x1-04191415-c170bbb45febc03ac4d34ba2b8bb55e06104b7e7 Check for kernel in /kernel/i386-randconfig-x1-04191415/c170bbb45febc03ac4d34ba2b8bb55e06104b7e7 waiting for completion of /kernel-tests/build-queue/i386-randconfig-x1-04191415-c170bbb45febc03ac4d34ba2b8bb55e06104b7e7 waiting for completion of /kernel-tests/build-queue/.i386-randconfig-x1-04191415-c170bbb45febc03ac4d34ba2b8bb55e06104b7e7 kernel: /kernel/i386-randconfig-x1-04191415/c170bbb45febc03ac4d34ba2b8bb55e06104b7e7/vmlinuz-3.12.0-02796-gc170bbb 2014-04-19-17:11:35 detecting boot state .. TEST FAILURE [ 14.672019] [ INFO: inconsistent lock state ] [ 14.672019] 3.12.0-02796-gc170bbb #1 Tainted: G W [ 14.672019] --------------------------------- [ 14.672019] inconsistent {IN-SOFTIRQ-W} -> {SOFTIRQ-ON-W} usage. [ 14.672019] blkid/301 [HC0[0]:SC0[0]:HE1:SE1] takes: [ 14.672019] (&(&q->__queue_lock)->rlock){+.?...}, at: [] blk_flush_plug_list+0x122/0x1a8 [ 14.672019] {IN-SOFTIRQ-W} state was registered at: [ 14.672019] [] __lock_acquire+0x27d/0xbfe [ 14.672019] [] lock_acquire+0x56/0x72 [ 14.672019] [] _raw_spin_lock+0x24/0x54 [ 14.672019] [] scsi_device_unbusy+0x5b/0x7e [ 14.672019] [] scsi_finish_command+0x1d/0xc7 [ 14.672019] [] scsi_softirq_done+0xd6/0xde [ 14.672019] [] blk_done_softirq+0x6e/0x77 [ 14.672019] [] __do_softirq+0x94/0x16d [ 14.672019] [] run_ksoftirqd+0x1e/0x54 [ 14.672019] [] smpboot_thread_fn+0x102/0x116 [ 14.672019] [] kthread+0xa0/0xa5 [ 14.672019] [] ret_from_kernel_thread+0x1b/0x28 [ 14.672019] irq event stamp: 2954 [ 14.672019] hardirqs last enabled at (2951): [] _raw_spin_unlock_irq+0x22/0x30 [ 14.672019] hardirqs last disabled at (2952): [] blk_flush_plug_list+0xc8/0x1a8 [ 14.672019] softirqs last enabled at (2954): [] blkg_rwstat_read+0x1d/0x24 [ 14.672019] softirqs last disabled at (2953): [] blkg_rwstat_read+0x11/0x24 [ 14.672019] [ 14.672019] other info that might help us debug this: [ 14.672019] Possible unsafe locking scenario: [ 14.672019] [ 14.672019] CPU0 [ 14.672019] ---- [ 14.672019] lock(&(&q->__queue_lock)->rlock); [ 14.672019] [ 14.672019] lock(&(&q->__queue_lock)->rlock); [ 14.672019] [ 14.672019] *** DEADLOCK *** [ 14.672019] [ 14.672019] 1 lock held by blkid/301: [ 14.672019] #0: (&(&q->__queue_lock)->rlock){+.?...}, at: [] blk_flush_plug_list+0x122/0x1a8 [ 14.672019] [ 14.672019] stack backtrace: [ 14.672019] CPU: 0 PID: 301 Comm: blkid Tainted: G W 3.12.0-02796-gc170bbb #1 [ 14.672019] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 14.672019] 00000000 c607de10 c60e3b44 c0a2b390 c60e3b70 c0a27b6b c0d353b6 c0d352b5 [ 14.672019] c0d3527d c0d3529c c0d352a6 c0d36132 c607e26c c0281162 00000010 c60e3b98 [ 14.672019] c028172e 00000006 00000000 c607de10 00000004 00000006 c607e26c c607de10 [ 14.672019] Call Trace: [ 14.672019] [] dump_stack+0x16/0x18 [ 14.672019] [] print_usage_bug+0x180/0x18d [ 14.672019] [] ? print_shortest_lock_dependencies+0x13c/0x13c [ 14.672019] [] mark_lock+0xf7/0x1df [ 14.672019] [] mark_held_locks+0x5b/0x72 [ 14.672019] [] ? _local_bh_enable_ip+0x8f/0x97 [ 14.672019] [] trace_hardirqs_on_caller+0x14b/0x165 [ 14.672019] [] ? blkg_rwstat_read+0x1d/0x24 [ 14.672019] [] trace_hardirqs_on+0xb/0xd [ 14.672019] [] _local_bh_enable_ip+0x8f/0x97 [ 14.672019] [] local_bh_enable+0xb/0xd [ 14.672019] [] blkg_rwstat_read+0x1d/0x24 [ 14.672019] [] __cfq_set_active_queue+0x6b/0x188 [ 14.672019] [] ? cfq_resort_rr_list+0x1f/0x23 [ 14.672019] [] ? __arch_hweight32+0x8/0xa [ 14.672019] [] ? cfq_update_idle_window.isra.80+0x7d/0xe4 [ 14.672019] [] ? kvm_clock_read+0x14/0x1d [ 14.672019] [] ? paravirt_sched_clock+0x9/0xd [ 14.672019] [] ? sched_clock+0x9/0xc [ 14.672019] [] cfq_dispatch_requests+0x528/0x7a8 [ 14.672019] [] ? paravirt_sched_clock+0x9/0xd [ 14.672019] [] ? sched_clock+0x9/0xc [ 14.672019] [] ? cfq_insert_request+0x18d/0x323 [ 14.672019] [] ? submit_bio+0xd5/0x107 [ 14.672019] [] ? list_sort+0x118/0x134 [ 14.672019] [] ? ioc_set_batching+0x2b/0x2b [ 14.672019] [] blk_peek_request+0x57/0x180 [ 14.672019] [] scsi_request_fn+0x38/0x42f [ 14.672019] [] ? lock_acquired+0xd9/0x1c9 [ 14.672019] [] __blk_run_queue_uncond+0x21/0x2a [ 14.672019] [] __blk_run_queue+0x13/0x15 [ 14.672019] [] blk_flush_plug_list+0x173/0x1a8 [ 14.672019] [] blk_finish_plug+0xd/0x27 [ 14.672019] [] __do_page_cache_readahead+0x151/0x167 [ 14.672019] [] force_page_cache_readahead+0x56/0x77 [ 14.672019] [] page_cache_sync_readahead+0x25/0x3d [ 14.672019] [] generic_file_aio_read+0x23d/0x536 [ 14.672019] [] blkdev_aio_read+0x5d/0x6b [ 14.672019] [] do_sync_read+0x4c/0x73 [ 14.672019] [] ? do_sync_readv_writev+0x6f/0x6f [ 14.672019] [] vfs_read+0x5d/0x98 [ 14.672019] [] SyS_read+0x3e/0x6b [ 14.672019] [] sysenter_do_call+0x12/0x3c [ 15.820673] init: failsafe main process (327) killed by TERM signal Kernel tests: Boot OK! [ 29.785134] Out of memory: Kill process 404 (trinity-c0) score 743 or sacrifice child [ 29.788848] Killed process 404 (trinity-c0) total-vm:63096kB, anon-rss:8204kB, file-rss:49840kB Elapsed time: 40 /kernel/i386-randconfig-x1-04191415/c170bbb45febc03ac4d34ba2b8bb55e06104b7e7/dmesg-quantal-snb-93:20140419171214:i386-randconfig-x1-04191415:: 0:1:1 all_good:bad:all_bad boots 2014-04-19 17:12:37 REPEAT COUNT: 20 # /kernel-tests/linux8/obj-bisect/.repeat Bisecting: 0 revisions left to test after this (roughly 0 steps) [2c575026fae6e63771bd2a4c1d407214a8096a89] Update of blkg_stat and blkg_rwstat may happen in bh context. While u64_stats_fetch_retry is only preempt_disable on 32bit UP system. This is not enough to avoid preemption by bh and may read strange 64 bit value. running /c/kernel-tests/bisect-test-boot-failure.sh /kernel-tests/linux8/obj-bisect ls -a /kernel-tests/run-queue/kvm/i386-randconfig-x1-04191415/next:master:2c575026fae6e63771bd2a4c1d407214a8096a89:bisect-linux8 2014-04-19-17:12:38 2c575026fae6e63771bd2a4c1d407214a8096a89 compiling Queued build task to /kernel-tests/build-queue/i386-randconfig-x1-04191415-2c575026fae6e63771bd2a4c1d407214a8096a89 Check for kernel in /kernel/i386-randconfig-x1-04191415/2c575026fae6e63771bd2a4c1d407214a8096a89 waiting for completion of /kernel-tests/build-queue/i386-randconfig-x1-04191415-2c575026fae6e63771bd2a4c1d407214a8096a89 waiting for completion of /kernel-tests/build-queue/.i386-randconfig-x1-04191415-2c575026fae6e63771bd2a4c1d407214a8096a89 kernel: /kernel/i386-randconfig-x1-04191415/2c575026fae6e63771bd2a4c1d407214a8096a89/vmlinuz-3.12.0-10878-g2c57502 2014-04-19-17:20:38 detecting boot state .. TEST FAILURE [ 12.356027] [ INFO: inconsistent lock state ] [ 12.356027] 3.12.0-10878-g2c57502 #1 Tainted: G W [ 12.356027] --------------------------------- [ 12.356027] inconsistent {IN-SOFTIRQ-W} -> {SOFTIRQ-ON-W} usage. [ 12.356027] blkid/300 [HC0[0]:SC0[0]:HE1:SE1] takes: [ 12.356027] (&(&q->__queue_lock)->rlock){+.?...}, at: [] blk_flush_plug_list+0x122/0x1a8 [ 12.356027] {IN-SOFTIRQ-W} state was registered at: [ 12.356027] [] __lock_acquire+0x27d/0xbfe [ 12.356027] [] lock_acquire+0x56/0x72 [ 12.356027] [] _raw_spin_lock+0x24/0x54 [ 12.356027] [] scsi_device_unbusy+0x5b/0x7e [ 12.356027] [] scsi_finish_command+0x1d/0xc7 [ 12.356027] [] scsi_softirq_done+0xd6/0xde [ 12.356027] [] blk_done_softirq+0x6e/0x77 [ 12.356027] [] __do_softirq+0x94/0x16d [ 12.356027] [] run_ksoftirqd+0x1e/0x54 [ 12.356027] [] smpboot_thread_fn+0x102/0x116 [ 12.356027] [] kthread+0xa0/0xa5 [ 12.356027] [] ret_from_kernel_thread+0x1b/0x28 [ 12.356027] irq event stamp: 2968 [ 12.356027] hardirqs last enabled at (2965): [] _raw_spin_unlock_irq+0x22/0x30 [ 12.356027] hardirqs last disabled at (2966): [] blk_flush_plug_list+0xc8/0x1a8 [ 12.356027] softirqs last enabled at (2968): [] blkg_rwstat_read+0x1d/0x24 [ 12.356027] softirqs last disabled at (2967): [] blkg_rwstat_read+0x11/0x24 [ 12.356027] [ 12.356027] other info that might help us debug this: [ 12.356027] Possible unsafe locking scenario: [ 12.356027] [ 12.356027] CPU0 [ 12.356027] ---- [ 12.356027] lock(&(&q->__queue_lock)->rlock); [ 12.356027] [ 12.356027] lock(&(&q->__queue_lock)->rlock); [ 12.356027] [ 12.356027] *** DEADLOCK *** [ 12.356027] [ 12.356027] 1 lock held by blkid/300: [ 12.356027] #0: (&(&q->__queue_lock)->rlock){+.?...}, at: [] blk_flush_plug_list+0x122/0x1a8 [ 12.356027] [ 12.356027] stack backtrace: [ 12.356027] CPU: 0 PID: 300 Comm: blkid Tainted: G W 3.12.0-10878-g2c57502 #1 [ 12.356027] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 12.356027] 00000000 c6068d70 c6177b44 c0a2b528 c6177b70 c0a27d03 c0d35294 c0d35193 [ 12.356027] c0d3515b c0d3517a c0d35184 c0d36010 c60691cc c0281162 00000010 c6177b98 [ 12.356027] c028172e 00000006 00000000 c6068d70 00000004 00000006 c60691cc c6068d70 [ 12.356027] Call Trace: [ 12.356027] [] dump_stack+0x16/0x18 [ 12.356027] [] print_usage_bug+0x180/0x18d [ 12.356027] [] ? print_shortest_lock_dependencies+0x13c/0x13c [ 12.356027] [] mark_lock+0xf7/0x1df [ 12.356027] [] mark_held_locks+0x5b/0x72 [ 12.356027] [] ? _local_bh_enable_ip+0x8f/0x97 [ 12.356027] [] trace_hardirqs_on_caller+0x14b/0x165 [ 12.356027] [] ? blkg_rwstat_read+0x1d/0x24 [ 12.356027] [] trace_hardirqs_on+0xb/0xd [ 12.356027] [] _local_bh_enable_ip+0x8f/0x97 [ 12.356027] [] local_bh_enable+0xb/0xd [ 12.356027] [] blkg_rwstat_read+0x1d/0x24 [ 12.356027] [] __cfq_set_active_queue+0x6b/0x188 [ 12.356027] [] ? cfq_resort_rr_list+0x1f/0x23 [ 12.356027] [] ? __arch_hweight32+0x8/0xa [ 12.356027] [] ? cfq_update_idle_window.isra.80+0x7d/0xe4 [ 12.356027] [] ? kvm_clock_read+0x14/0x1d [ 12.356027] [] ? paravirt_sched_clock+0x9/0xd [ 12.356027] [] ? sched_clock+0x9/0xc [ 12.356027] [] cfq_dispatch_requests+0x528/0x7a8 [ 12.356027] [] ? paravirt_sched_clock+0x9/0xd [ 12.356027] [] ? sched_clock+0x9/0xc [ 12.356027] [] ? cfq_insert_request+0x18d/0x323 [ 12.356027] [] ? submit_bio+0xd5/0x107 [ 12.356027] [] ? list_sort+0x118/0x134 [ 12.356027] [] ? ioc_set_batching+0x2b/0x2b [ 12.356027] [] blk_peek_request+0x57/0x180 [ 12.356027] [] scsi_request_fn+0x38/0x42f [ 12.356027] [] ? lock_acquired+0xd9/0x1c9 [ 12.356027] [] __blk_run_queue_uncond+0x21/0x2a [ 12.356027] [] __blk_run_queue+0x13/0x15 [ 12.356027] [] blk_flush_plug_list+0x173/0x1a8 [ 12.356027] [] blk_finish_plug+0xd/0x27 [ 12.356027] [] __do_page_cache_readahead+0x151/0x167 [ 12.356027] [] force_page_cache_readahead+0x56/0x77 [ 12.356027] [] page_cache_sync_readahead+0x25/0x3d [ 12.356027] [] generic_file_aio_read+0x23d/0x536 [ 12.356027] [] blkdev_aio_read+0x5d/0x6b [ 12.356027] [] do_sync_read+0x4c/0x73 [ 12.356027] [] ? do_sync_readv_writev+0x6f/0x6f [ 12.356027] [] vfs_read+0x5d/0x98 [ 12.356027] [] SyS_read+0x3e/0x6b [ 12.356027] [] sysenter_do_call+0x12/0x3c [ 13.361307] init: failsafe main process (325) killed by TERM signal Kernel tests: Boot OK! [ 71.572626] reboot: Restarting system /kernel/i386-randconfig-x1-04191415/2c575026fae6e63771bd2a4c1d407214a8096a89/dmesg-quantal-inn-28:20140419172107:i386-randconfig-x1-04191415:: /kernel/i386-randconfig-x1-04191415/2c575026fae6e63771bd2a4c1d407214a8096a89/dmesg-quantal-inn-8:20140419172106:i386-randconfig-x1-04191415:: /kernel/i386-randconfig-x1-04191415/2c575026fae6e63771bd2a4c1d407214a8096a89/dmesg-quantal-lkp-ib04-30:20140419172106:i386-randconfig-x1-04191415:3.12.0-10878-g2c57502:1 /kernel/i386-randconfig-x1-04191415/2c575026fae6e63771bd2a4c1d407214a8096a89/dmesg-quantal-xian-33:20140419172105:i386-randconfig-x1-04191415:3.12.0-10878-g2c57502:1 /kernel/i386-randconfig-x1-04191415/2c575026fae6e63771bd2a4c1d407214a8096a89/dmesg-quantal-athens-55:20140419172119:i386-randconfig-x1-04191415:3.12.0-10878-g2c57502:1 /kernel/i386-randconfig-x1-04191415/2c575026fae6e63771bd2a4c1d407214a8096a89/dmesg-quantal-f2-121:20140419172117:i386-randconfig-x1-04191415:3.12.0-10878-g2c57502:1 /kernel/i386-randconfig-x1-04191415/2c575026fae6e63771bd2a4c1d407214a8096a89/dmesg-quantal-f3-72:20140419172111:i386-randconfig-x1-04191415:3.12.0-10878-g2c57502:1 /kernel/i386-randconfig-x1-04191415/2c575026fae6e63771bd2a4c1d407214a8096a89/dmesg-quantal-f4-11:20140419172111:i386-randconfig-x1-04191415:3.12.0-10878-g2c57502:1 /kernel/i386-randconfig-x1-04191415/2c575026fae6e63771bd2a4c1d407214a8096a89/dmesg-yocto-f3-107:20140419172118:i386-randconfig-x1-04191415:3.12.0-10878-g2c57502:1 /kernel/i386-randconfig-x1-04191415/2c575026fae6e63771bd2a4c1d407214a8096a89/dmesg-yocto-lkp-ib04-1:20140419172117:i386-randconfig-x1-04191415:3.12.0-10878-g2c57502:1 /kernel/i386-randconfig-x1-04191415/2c575026fae6e63771bd2a4c1d407214a8096a89/dmesg-yocto-snb-80:20140419172121:i386-randconfig-x1-04191415:: /kernel/i386-randconfig-x1-04191415/2c575026fae6e63771bd2a4c1d407214a8096a89/dmesg-yocto-f4-53:20140419172129:i386-randconfig-x1-04191415:3.12.0-10878-g2c57502:1 /kernel/i386-randconfig-x1-04191415/2c575026fae6e63771bd2a4c1d407214a8096a89/dmesg-yocto-xian-93:20140419172131:i386-randconfig-x1-04191415:3.12.0-10878-g2c57502:1 0:13:12 all_good:bad:all_bad boots 2c575026fae6e63771bd2a4c1d407214a8096a89 is the first bad commit commit 2c575026fae6e63771bd2a4c1d407214a8096a89 Author: Hong Zhiguo Date: Wed Nov 20 10:35:05 2013 -0700 Update of blkg_stat and blkg_rwstat may happen in bh context. While u64_stats_fetch_retry is only preempt_disable on 32bit UP system. This is not enough to avoid preemption by bh and may read strange 64 bit value. Signed-off-by: Hong Zhiguo Acked-by: Tejun Heo Cc: stable@kernel.org Signed-off-by: Jens Axboe :040000 040000 8430a11ddaf4640663b7ed99feacb1d3de126321 85b827fa3063390e10628df4e66c0f5495a27067 M block bisect run success Previous HEAD position was 2c57502... Update of blkg_stat and blkg_rwstat may happen in bh context. While u64_stats_fetch_retry is only preempt_disable on 32bit UP system. This is not enough to avoid preemption by bh and may read strange 64 bit value. HEAD is now at 82023bb... Merge tag 'pm+acpi-2-3.13-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm ls -a /kernel-tests/run-queue/kvm/i386-randconfig-x1-04191415/next:master:82023bb7f75b0052f40d3e74169d191c3e4e6286:bisect-linux8 2014-04-19-17:21:41 82023bb7f75b0052f40d3e74169d191c3e4e6286 compiling Queued build task to /kernel-tests/build-queue/i386-randconfig-x1-04191415-82023bb7f75b0052f40d3e74169d191c3e4e6286 Check for kernel in /kernel/i386-randconfig-x1-04191415/82023bb7f75b0052f40d3e74169d191c3e4e6286 waiting for completion of /kernel-tests/build-queue/i386-randconfig-x1-04191415-82023bb7f75b0052f40d3e74169d191c3e4e6286 waiting for completion of /kernel-tests/build-queue/.i386-randconfig-x1-04191415-82023bb7f75b0052f40d3e74169d191c3e4e6286 kernel: /kernel/i386-randconfig-x1-04191415/82023bb7f75b0052f40d3e74169d191c3e4e6286/vmlinuz-3.12.0-02794-g82023bb 2014-04-19-17:26:41 detecting boot state .. 26 47................. 50 54 57... 59.. 60 SUCCESS Previous HEAD position was 82023bb... Merge tag 'pm+acpi-2-3.13-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm HEAD is now at 36efbdf... Add linux-next specific files for 20140417 ls -a /kernel-tests/run-queue/kvm/i386-randconfig-x1-04191415/next:master:36efbdff85370263b2262022687c19ac7e7fe83e:bisect-linux8 TEST FAILURE [ 81.949104] msgmni has been set to 535 [ 81.949104] Key type big_key registered BUG: kernel boot hang Elapsed time: 905 qemu-system-x86_64 -cpu Haswell,+smep,+smap -kernel /kernel/i386-randconfig-x1-04191415/36efbdff85370263b2262022687c19ac7e7fe83e/vmlinuz-3.15.0-rc1-next-20140417 -append 'hung_task_panic=1 earlyprintk=ttyS0,115200 debug apic=debug sysrq_always_enabled rcupdate.rcu_cpu_stall_timeout=100 panic=10 softlockup_panic=1 nmi_watchdog=panic prompt_ramdisk=0 console=ttyS0,115200 console=tty0 vga=normal root=/dev/ram0 rw link=/kernel-tests/run-queue/kvm/i386-randconfig-x1-04191415/next:master:36efbdff85370263b2262022687c19ac7e7fe83e:bisect-linux8/.vmlinuz-36efbdff85370263b2262022687c19ac7e7fe83e-20140419142151-1-brickland3 branch=next/master BOOT_IMAGE=/kernel/i386-randconfig-x1-04191415/36efbdff85370263b2262022687c19ac7e7fe83e/vmlinuz-3.15.0-rc1-next-20140417 drbd.minor_count=8' -initrd /kernel-tests/initrd/quantal-core-i386.cgz -m 320 -smp 2 -net nic,vlan=1,model=e1000 -net user,vlan=1 -boot order=nc -no-reboot -watchdog i6300esb -rtc base=localtime -pidfile /dev/shm/kboot/pid-quantal-brickland3-313 -serial file:/dev/shm/kboot/serial-quantal-brickland3-313 -daemonize -display none -monitor null /kernel/i386-randconfig-x1-04191415/36efbdff85370263b2262022687c19ac7e7fe83e/dmesg-yocto-lkp-ib04-50:20140419142323:i386-randconfig-x1-04191415:3.15.0-rc1-next-20140417:82 /kernel/i386-randconfig-x1-04191415/36efbdff85370263b2262022687c19ac7e7fe83e/dmesg-yocto-athens-37:20140419142041:i386-randconfig-x1-04191415:3.15.0-rc1-next-20140417:82 /kernel/i386-randconfig-x1-04191415/36efbdff85370263b2262022687c19ac7e7fe83e/dmesg-yocto-xian-38:20140419141957:i386-randconfig-x1-04191415:3.15.0-rc1-next-20140417:82 /kernel/i386-randconfig-x1-04191415/36efbdff85370263b2262022687c19ac7e7fe83e/dmesg-quantal-f4-89:20140419142314:i386-randconfig-x1-04191415:3.15.0-rc1-next-20140417:82 /kernel/i386-randconfig-x1-04191415/36efbdff85370263b2262022687c19ac7e7fe83e/dmesg-quantal-lkp-ib04-36:20140419142310:i386-randconfig-x1-04191415:3.15.0-rc1-next-20140417:82 /kernel/i386-randconfig-x1-04191415/36efbdff85370263b2262022687c19ac7e7fe83e/dmesg-quantal-f2-114:20140419142310:i386-randconfig-x1-04191415:3.15.0-rc1-next-20140417:82 /kernel/i386-randconfig-x1-04191415/36efbdff85370263b2262022687c19ac7e7fe83e/dmesg-yocto-ivytown2-14:20140419141950:i386-randconfig-x1-04191415:3.15.0-rc1-next-20140417:82 /kernel/i386-randconfig-x1-04191415/36efbdff85370263b2262022687c19ac7e7fe83e/dmesg-quantal-f3-70:20140419142310:i386-randconfig-x1-04191415:3.15.0-rc1-next-20140417:82 /kernel/i386-randconfig-x1-04191415/36efbdff85370263b2262022687c19ac7e7fe83e/dmesg-quantal-lkp-ib04-29:20140419142308:i386-randconfig-x1-04191415:3.15.0-rc1-next-20140417:82 0:9:13 all_good:bad:all_bad boots HEAD is now at 36efbdf Add linux-next specific files for 20140417 ========= upstream ========= Previous HEAD position was 36efbdf... Add linux-next specific files for 20140417 HEAD is now at ebfc45e... Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net ls -a /kernel-tests/run-queue/kvm/i386-randconfig-x1-04191415/linus:master:ebfc45ee7004088d610cd399d2dee6d95f87199b:bisect-linux8 2014-04-19-17:42:21 ebfc45ee7004088d610cd399d2dee6d95f87199b compiling Queued build task to /kernel-tests/build-queue/i386-randconfig-x1-04191415-ebfc45ee7004088d610cd399d2dee6d95f87199b Check for kernel in /kernel/i386-randconfig-x1-04191415/ebfc45ee7004088d610cd399d2dee6d95f87199b waiting for completion of /kernel-tests/build-queue/i386-randconfig-x1-04191415-ebfc45ee7004088d610cd399d2dee6d95f87199b waiting for completion of /kernel-tests/build-queue/.i386-randconfig-x1-04191415-ebfc45ee7004088d610cd399d2dee6d95f87199b kernel: /kernel/i386-randconfig-x1-04191415/ebfc45ee7004088d610cd399d2dee6d95f87199b/vmlinuz-3.15.0-rc1-00356-gebfc45e 2014-04-19-17:49:21 detecting boot state .. TEST FAILURE [ 9.167471] [ INFO: inconsistent lock state ] [ 9.167472] 3.15.0-rc1-00356-gebfc45e #3 Not tainted [ 9.167473] --------------------------------- [ 9.167473] inconsistent {IN-SOFTIRQ-W} -> {SOFTIRQ-ON-W} usage. [ 9.167475] blkid/278 [HC0[0]:SC0[0]:HE1:SE1] takes: [ 9.167499] (&(&q->__queue_lock)->rlock){+.?...}, at: [] blk_flush_plug_list+0x122/0x1a8 [ 9.167500] {IN-SOFTIRQ-W} state was registered at: [ 9.167512] [] __lock_acquire+0x27e/0xc09 [ 9.167514] [] lock_acquire+0x56/0x72 [ 9.167525] [] _raw_spin_lock+0x24/0x54 [ 9.167539] [] scsi_device_unbusy+0x5b/0x7e [ 9.167541] [] scsi_finish_command+0x1d/0xd3 [ 9.167543] [] scsi_softirq_done+0xdc/0xe4 [ 9.167548] [] blk_done_softirq+0x6e/0x77 [ 9.167552] [] __do_softirq+0xc7/0x1b0 [ 9.167553] [] run_ksoftirqd+0x1e/0x54 [ 9.167558] [] smpboot_thread_fn+0x102/0x116 [ 9.167562] [] kthread+0xa0/0xa5 [ 9.167564] [] ret_from_kernel_thread+0x20/0x30 [ 9.167565] irq event stamp: 2598 [ 9.167567] hardirqs last enabled at (2597): [] _raw_spin_unlock_irq+0x22/0x30 [ 9.167568] hardirqs last disabled at (2598): [] blk_flush_plug_list+0xc8/0x1a8 [ 9.167570] softirqs last enabled at (1544): [] __do_softirq+0x164/0x1b0 [ 9.167576] softirqs last disabled at (1533): [] do_softirq_own_stack+0x1c/0x22 [ 9.167576] [ 9.167576] other info that might help us debug this: [ 9.167577] Possible unsafe locking scenario: [ 9.167577] [ 9.167577] CPU0 [ 9.167577] ---- [ 9.167578] lock(&(&q->__queue_lock)->rlock); [ 9.167578] [ 9.167579] lock(&(&q->__queue_lock)->rlock); [ 9.167579] [ 9.167579] *** DEADLOCK *** [ 9.167579] [ 9.167580] 1 lock held by blkid/278: [ 9.167582] #0: (&(&q->__queue_lock)->rlock){+.?...}, at: [] blk_flush_plug_list+0x122/0x1a8 [ 9.167583] [ 9.167583] stack backtrace: [ 9.167584] CPU: 0 PID: 278 Comm: blkid Not tainted 3.15.0-rc1-00356-gebfc45e #3 [ 9.167585] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 9.167588] 00000000 ca20c600 ca1d5b64 c186ca40 ca1d5b90 c186913f c1ba3215 c1ba3114 [ 9.167590] c1ba30dc c1ba30fb c1ba3105 c1ba3f91 ca20caf4 c1084c26 00000010 ca1d5bb8 [ 9.167592] c10851f2 00000006 00000000 ca20c600 00000004 00000006 ca20caf4 ca20c600 [ 9.167592] Call Trace: [ 9.167596] [] dump_stack+0x16/0x18 [ 9.167601] [] print_usage_bug+0x180/0x18d [ 9.167603] [] ? print_shortest_lock_dependencies+0x13c/0x13c [ 9.167604] [] mark_lock+0xf7/0x1df [ 9.167605] [] mark_held_locks+0x51/0x67 [ 9.167623] [] ? blkg_rwstat_read+0x22/0x2e [ 9.167625] [] trace_hardirqs_on_caller+0x14b/0x165 [ 9.167626] [] trace_hardirqs_on+0xb/0xd [ 9.167627] [] blkg_rwstat_read+0x22/0x2e [ 9.167629] [] __cfq_set_active_queue+0x6b/0x188 [ 9.167630] [] ? cfq_resort_rr_list+0x1f/0x23 [ 9.167634] [] ? __arch_hweight32+0x8/0xa [ 9.167636] [] ? cfq_update_idle_window.isra.80+0x7d/0xe4 [ 9.167639] [] ? local_clock+0x12/0x1c [ 9.167640] [] ? lock_release_holdtime.part.27+0x59/0x65 [ 9.167642] [] cfq_dispatch_requests+0x528/0x7a8 [ 9.167647] [] ? paravirt_sched_clock+0x9/0xd [ 9.167648] [] ? sched_clock+0x9/0xc [ 9.167650] [] ? cfq_insert_request+0x18d/0x323 [ 9.167655] [] ? submit_bio+0xd8/0xf1 [ 9.167658] [] ? list_sort+0x118/0x134 [ 9.167661] [] ? ioc_set_batching+0x2b/0x2b [ 9.167662] [] blk_peek_request+0x57/0x180 [ 9.167664] [] scsi_request_fn+0x2b/0x40b [ 9.167665] [] ? lock_acquired+0xd9/0x1c9 [ 9.167667] [] __blk_run_queue_uncond+0x21/0x2a [ 9.167669] [] __blk_run_queue+0x13/0x15 [ 9.167670] [] blk_flush_plug_list+0x173/0x1a8 [ 9.167671] [] blk_finish_plug+0xd/0x27 [ 9.167680] [] __do_page_cache_readahead+0x156/0x16c [ 9.167682] [] force_page_cache_readahead+0x57/0x74 [ 9.167683] [] page_cache_sync_readahead+0x25/0x3d [ 9.167685] [] generic_file_aio_read+0x1ef/0x4e6 [ 9.167690] [] blkdev_aio_read+0x5d/0x6b [ 9.167693] [] do_sync_read+0x4c/0x73 [ 9.167695] [] ? fdput_pos+0x25/0x25 [ 9.167696] [] vfs_read+0x60/0x94 [ 9.167697] [] SyS_read+0x44/0x77 [ 9.167698] [] syscall_call+0x7/0xb [ 9.779154] init: failsafe main process (303) killed by TERM signal Kernel tests: Boot OK! [ 62.316088] spin_lock-torture: Writes: Total: 2 Max/Min: 0/0 Fail: 0 /kernel/i386-randconfig-x1-04191415/ebfc45ee7004088d610cd399d2dee6d95f87199b/dmesg-quantal-f3-111:20140419175003:i386-randconfig-x1-04191415:3.15.0-rc1-00356-gebfc45e:3 /kernel/i386-randconfig-x1-04191415/ebfc45ee7004088d610cd399d2dee6d95f87199b/dmesg-quantal-f1-44:20140419175008:i386-randconfig-x1-04191415:3.15.0-rc1-00356-gebfc45e:3 /kernel/i386-randconfig-x1-04191415/ebfc45ee7004088d610cd399d2dee6d95f87199b/dmesg-quantal-f1-68:20140419175008:i386-randconfig-x1-04191415:3.15.0-rc1-00356-gebfc45e:3 /kernel/i386-randconfig-x1-04191415/ebfc45ee7004088d610cd399d2dee6d95f87199b/dmesg-quantal-f1-74:20140419175006:i386-randconfig-x1-04191415:3.15.0-rc1-00356-gebfc45e:3 /kernel/i386-randconfig-x1-04191415/ebfc45ee7004088d610cd399d2dee6d95f87199b/dmesg-quantal-inn-84:20140419175008:i386-randconfig-x1-04191415:: /kernel/i386-randconfig-x1-04191415/ebfc45ee7004088d610cd399d2dee6d95f87199b/dmesg-quantal-f1-97:20140419175009:i386-randconfig-x1-04191415:3.15.0-rc1-00356-gebfc45e:3 /kernel/i386-randconfig-x1-04191415/ebfc45ee7004088d610cd399d2dee6d95f87199b/dmesg-quantal-f2-103:20140419175009:i386-randconfig-x1-04191415:3.15.0-rc1-00356-gebfc45e:3 /kernel/i386-randconfig-x1-04191415/ebfc45ee7004088d610cd399d2dee6d95f87199b/dmesg-quantal-f1-36:20140419175010:i386-randconfig-x1-04191415:3.15.0-rc1-00356-gebfc45e:3 /kernel/i386-randconfig-x1-04191415/ebfc45ee7004088d610cd399d2dee6d95f87199b/dmesg-quantal-f3-107:20140419175011:i386-randconfig-x1-04191415:3.15.0-rc1-00356-gebfc45e:3 /kernel/i386-randconfig-x1-04191415/ebfc45ee7004088d610cd399d2dee6d95f87199b/dmesg-quantal-ivytown2-80:20140419175011:i386-randconfig-x1-04191415:3.15.0-rc1-00356-gebfc45e:3 /kernel/i386-randconfig-x1-04191415/ebfc45ee7004088d610cd399d2dee6d95f87199b/dmesg-quantal-f2-18:20140419175017:i386-randconfig-x1-04191415:3.15.0-rc1-00356-gebfc45e:3 /kernel/i386-randconfig-x1-04191415/ebfc45ee7004088d610cd399d2dee6d95f87199b/dmesg-quantal-f2-44:20140419175015:i386-randconfig-x1-04191415:3.15.0-rc1-00356-gebfc45e:3 /kernel/i386-randconfig-x1-04191415/ebfc45ee7004088d610cd399d2dee6d95f87199b/dmesg-quantal-f3-101:20140419175012:i386-randconfig-x1-04191415:3.15.0-rc1-00356-gebfc45e:3 /kernel/i386-randconfig-x1-04191415/ebfc45ee7004088d610cd399d2dee6d95f87199b/dmesg-quantal-ivytown2-38:20140419175020:i386-randconfig-x1-04191415:3.15.0-rc1-00356-gebfc45e:3 /kernel/i386-randconfig-x1-04191415/ebfc45ee7004088d610cd399d2dee6d95f87199b/dmesg-quantal-ivytown2-85:20140419175013:i386-randconfig-x1-04191415:3.15.0-rc1-00356-gebfc45e:3 /kernel/i386-randconfig-x1-04191415/ebfc45ee7004088d610cd399d2dee6d95f87199b/dmesg-quantal-lkp-ib04-31:20140419175015:i386-randconfig-x1-04191415:3.15.0-rc1-00356-gebfc45e:3 /kernel/i386-randconfig-x1-04191415/ebfc45ee7004088d610cd399d2dee6d95f87199b/dmesg-quantal-xian-59:20140419175011:i386-randconfig-x1-04191415:3.15.0-rc1-00356-gebfc45e:3 0:17:10 all_good:bad:all_bad boots ========= linux-next ========= Previous HEAD position was ebfc45e... Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net HEAD is now at 36efbdf... Add linux-next specific files for 20140417 ls -a /kernel-tests/run-queue/kvm/i386-randconfig-x1-04191415/next:master:36efbdff85370263b2262022687c19ac7e7fe83e:bisect-linux8 TEST FAILURE [ 81.949104] msgmni has been set to 535 [ 81.949104] Key type big_key registered BUG: kernel boot hang Elapsed time: 905 qemu-system-x86_64 -cpu Haswell,+smep,+smap -kernel /kernel/i386-randconfig-x1-04191415/36efbdff85370263b2262022687c19ac7e7fe83e/vmlinuz-3.15.0-rc1-next-20140417 -append 'hung_task_panic=1 earlyprintk=ttyS0,115200 debug apic=debug sysrq_always_enabled rcupdate.rcu_cpu_stall_timeout=100 panic=10 softlockup_panic=1 nmi_watchdog=panic prompt_ramdisk=0 console=ttyS0,115200 console=tty0 vga=normal root=/dev/ram0 rw link=/kernel-tests/run-queue/kvm/i386-randconfig-x1-04191415/next:master:36efbdff85370263b2262022687c19ac7e7fe83e:bisect-linux8/.vmlinuz-36efbdff85370263b2262022687c19ac7e7fe83e-20140419142151-1-brickland3 branch=next/master BOOT_IMAGE=/kernel/i386-randconfig-x1-04191415/36efbdff85370263b2262022687c19ac7e7fe83e/vmlinuz-3.15.0-rc1-next-20140417 drbd.minor_count=8' -initrd /kernel-tests/initrd/quantal-core-i386.cgz -m 320 -smp 2 -net nic,vlan=1,model=e1000 -net user,vlan=1 -boot order=nc -no-reboot -watchdog i6300esb -rtc base=localtime -pidfile /dev/shm/kboot/pid-quantal-brickland3-313 -serial file:/dev/shm/kboot/serial-quantal-brickland3-313 -daemonize -display none -monitor null /kernel/i386-randconfig-x1-04191415/36efbdff85370263b2262022687c19ac7e7fe83e/dmesg-yocto-lkp-ib04-50:20140419142323:i386-randconfig-x1-04191415:3.15.0-rc1-next-20140417:82 /kernel/i386-randconfig-x1-04191415/36efbdff85370263b2262022687c19ac7e7fe83e/dmesg-yocto-athens-37:20140419142041:i386-randconfig-x1-04191415:3.15.0-rc1-next-20140417:82 /kernel/i386-randconfig-x1-04191415/36efbdff85370263b2262022687c19ac7e7fe83e/dmesg-yocto-xian-38:20140419141957:i386-randconfig-x1-04191415:3.15.0-rc1-next-20140417:82 /kernel/i386-randconfig-x1-04191415/36efbdff85370263b2262022687c19ac7e7fe83e/dmesg-quantal-f4-89:20140419142314:i386-randconfig-x1-04191415:3.15.0-rc1-next-20140417:82 /kernel/i386-randconfig-x1-04191415/36efbdff85370263b2262022687c19ac7e7fe83e/dmesg-quantal-lkp-ib04-36:20140419142310:i386-randconfig-x1-04191415:3.15.0-rc1-next-20140417:82 /kernel/i386-randconfig-x1-04191415/36efbdff85370263b2262022687c19ac7e7fe83e/dmesg-quantal-f2-114:20140419142310:i386-randconfig-x1-04191415:3.15.0-rc1-next-20140417:82 /kernel/i386-randconfig-x1-04191415/36efbdff85370263b2262022687c19ac7e7fe83e/dmesg-yocto-ivytown2-14:20140419141950:i386-randconfig-x1-04191415:3.15.0-rc1-next-20140417:82 /kernel/i386-randconfig-x1-04191415/36efbdff85370263b2262022687c19ac7e7fe83e/dmesg-quantal-f3-70:20140419142310:i386-randconfig-x1-04191415:3.15.0-rc1-next-20140417:82 /kernel/i386-randconfig-x1-04191415/36efbdff85370263b2262022687c19ac7e7fe83e/dmesg-quantal-lkp-ib04-29:20140419142308:i386-randconfig-x1-04191415:3.15.0-rc1-next-20140417:82 0:9:13 all_good:bad:all_bad boots