git checkout e1e958029781a5f22a47807f9648ab9d221746f4 Previous HEAD position was bad570d... Add linux-next specific files for 20131108 HEAD is now at e1e9580... Merge remote-tracking branch 'aio/master' ls -a /kernel-tests/run-queue/kvm/i386-randconfig-j7-11082318/next:master:e1e958029781a5f22a47807f9648ab9d221746f4:bisect-mm 2013-11-10-18:33:55 e1e958029781a5f22a47807f9648ab9d221746f4 compiling 593 real 2520 user 219 sys 461.69% cpu i386-randconfig-j7-11082318 2013-11-10-18:47:46 detecting boot state 3.12.0-10173-ge1e9580. TEST FAILURE [ 2.216035] sd 0:0:0:0: [sda] Write cache: enabled, read cache: enabled, supports DPO and FUA [ 2.216956] pmc551: not detected [ 2.218721] Spectra MTD driver built on Nov 10 2013 @ 18:40:36 [ 2.221119] INFO: trying to register non-static key. [ 2.221552] the code is fine but needs lockdep annotation. [ 2.222009] turning off the locking correctness validator. [ 2.222013] CPU: 0 PID: 96 Comm: kworker/u4:1 Not tainted 3.12.0-10173-ge1e9580 #498 [ 2.222013] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 2.222013] Workqueue: events_unbound async_run_entry_fn [ 2.222013] 7908e98f 00000000 78023968 79dc3c86 7a7ffa44 780239a0 79089783 7a1b2fac [ 2.222013] 7a1b3006 7a1b2fdc 7f3a0a78 00000000 00000011 4835c011 0000a885 7f3a0590 [ 2.222013] 7f3a0590 85bf3540 00000000 780239cc 7908a40a 00000000 00000001 00000000 [ 2.222013] Call Trace: [ 2.222013] [<7908e98f>] ? console_unlock+0x353/0x380 [ 2.222013] [<79dc3c86>] dump_stack+0x48/0x60 [ 2.222013] [<79089783>] __lock_acquire.isra.26+0x7ea/0xcf2 [ 2.222013] [<7908a40a>] lock_acquire+0x71/0x9a [ 2.222013] [<79403ec5>] ? blk_throtl_bio+0x1c3/0x485 [ 2.222013] [<79402aa6>] throtl_update_dispatch_stats+0x7c/0x153 [ 2.222013] [<79403ec5>] ? blk_throtl_bio+0x1c3/0x485 [ 2.222013] [<79403ec5>] blk_throtl_bio+0x1c3/0x485 [ 2.222013] [<7907c9fc>] ? sched_clock_local+0x17/0x106 [ 2.222013] [<7907cc8e>] ? sched_clock_cpu+0x105/0x113 [ 2.222013] [<793ef46e>] generic_make_request_checks+0x3ca/0x3e1 [ 2.222013] [<7907cc8e>] ? sched_clock_cpu+0x105/0x113 [ 2.222013] [<793f0a93>] generic_make_request+0xf/0xb0 [ 2.222013] [<793f0ba3>] submit_bio+0x6f/0xd8 [ 2.222013] [<79116188>] _submit_bh+0x228/0x245 [ 2.222013] [<791161af>] submit_bh+0xa/0xc [ 2.222013] [<79117184>] block_read_full_page+0x2aa/0x2c5 [ 2.222013] [<7911a04f>] ? bio_dirty_fn+0x6f/0x6f [ 2.222013] [<790bf137>] ? add_to_page_cache_locked+0xb4/0xe2 [ 2.222013] [<7911a2e5>] ? blkdev_write_begin+0x20/0x20 [ 2.222013] [<7911a2e5>] ? blkdev_write_begin+0x20/0x20 [ 2.222013] [<7911a2f4>] blkdev_readpage+0xf/0x11 [ 2.222013] [<790bfca2>] do_read_cache_page+0x6e/0x11b [ 2.222013] [<790c09b0>] read_cache_page_async+0x19/0x1e [ 2.222013] [<7911a2e5>] ? blkdev_write_begin+0x20/0x20 [ 2.222013] [<790c09e1>] read_cache_page+0xb/0x12 [ 2.222013] [<793fdc26>] read_dev_sector+0x26/0x61 [ 2.222013] [<793fe674>] read_lba+0xae/0xf9 [ 2.222013] [<790e5dcd>] ? kmem_cache_alloc+0xf9/0x12b [ 2.222013] [<793feba4>] efi_partition+0x17a/0x9c2 [ 2.222013] [<790c4f7a>] ? __alloc_pages_nodemask+0xe3/0x61e [ 2.222013] [<79411e62>] ? string.isra.4+0x29/0x93 [ 2.222013] [<79411e62>] ? string.isra.4+0x29/0x93 [ 2.222013] [<79412c07>] ? vsnprintf+0x81/0x26f [ 2.222013] [<79413094>] ? snprintf+0x15/0x17 [ 2.222013] [<793fdd5d>] check_partition+0xe4/0x178 [ 2.222013] [<793fdd5d>] ? check_partition+0xe4/0x178 [ 2.222013] [<793fd9af>] rescan_partitions+0x89/0x267 [ 2.222013] [<7911a3d9>] ? bdev_inode_switch_bdi+0xd2/0xe6 [ 2.222013] [<7911b190>] __blkdev_get+0x173/0x363 [ 2.222013] [<7911b3cb>] blkdev_get+0x4b/0x23d [ 2.222013] [<7911aa89>] ? bdget+0xf8/0x105 [ 2.222013] [<796b8240>] ? put_device+0xf/0x11 [ 2.222013] [<793fb9e0>] add_disk+0x26b/0x3b5 [ 2.222013] [<796c0114>] ? __pm_runtime_use_autosuspend+0x4a/0x4f [ 2.222013] [<797e0b8e>] sd_probe_async+0x111/0x198 [ 2.222013] [<79075d04>] async_run_entry_fn+0x59/0xff [ 2.222013] [<7906cdd4>] process_one_work+0x1ef/0x349 [ 2.222013] [<7906cd7b>] ? process_one_work+0x196/0x349 [ 2.222013] [<7906d325>] worker_thread+0x1a3/0x274 [ 2.222013] [<7906d182>] ? rescuer_thread+0x233/0x233 [ 2.222013] [<790719cc>] kthread+0x8a/0x8f [ 2.222013] [<79070000>] ? param_array_get+0x3c/0x7a [ 2.222013] [<79dd763b>] ret_from_kernel_thread+0x1b/0x30 [ 2.222013] [<79071942>] ? __kthread_parkme+0x50/0x50 [ 2.251043] sda: unknown partition table [ 2.255073] sd 0:0:0:0: [sda] Attached SCSI disk [ 2.257334] No valid DiskOnChip devices found /kernel/i386-randconfig-j7-11082318/e1e958029781a5f22a47807f9648ab9d221746f4/dmesg-quantal-inn-44:20131110184757:i386-randconfig-j7-11082318:3.12.0-10173-ge1e9580:498 /kernel/i386-randconfig-j7-11082318/e1e958029781a5f22a47807f9648ab9d221746f4/dmesg-quantal-inn-46:20131110184802:i386-randconfig-j7-11082318:3.12.0-10173-ge1e9580:498 /kernel/i386-randconfig-j7-11082318/e1e958029781a5f22a47807f9648ab9d221746f4/dmesg-quantal-lkp-tt02-18:20131110093924:i386-randconfig-j7-11082318:3.12.0-10173-ge1e9580:498 /kernel/i386-randconfig-j7-11082318/e1e958029781a5f22a47807f9648ab9d221746f4/dmesg-quantal-roam-8:20131110184806:i386-randconfig-j7-11082318:3.12.0-10173-ge1e9580:498 /kernel/i386-randconfig-j7-11082318/e1e958029781a5f22a47807f9648ab9d221746f4/dmesg-quantal-snb-45:20131110184801:i386-randconfig-j7-11082318:3.12.0-10173-ge1e9580:498 /kernel/i386-randconfig-j7-11082318/e1e958029781a5f22a47807f9648ab9d221746f4/dmesg-quantal-snb-4:20131110184801:i386-randconfig-j7-11082318:3.12.0-10173-ge1e9580:498 /kernel/i386-randconfig-j7-11082318/e1e958029781a5f22a47807f9648ab9d221746f4/dmesg-quantal-stoakley-2:20131110184801:i386-randconfig-j7-11082318:3.12.0-10173-ge1e9580:498 /kernel/i386-randconfig-j7-11082318/e1e958029781a5f22a47807f9648ab9d221746f4/dmesg-quantal-lkp-tt02-24:20131110093929:i386-randconfig-j7-11082318:3.12.0-10173-ge1e9580:498 /kernel/i386-randconfig-j7-11082318/e1e958029781a5f22a47807f9648ab9d221746f4/dmesg-quantal-snb-13:20131110184807:i386-randconfig-j7-11082318:3.12.0-10173-ge1e9580:498 0:9:9 all_good:bad:all_bad boots REPEAT COUNT: 20 # /cc/wfg/mm-bisect/.repeat bisect: bad commit e1e958029781a5f22a47807f9648ab9d221746f4 git checkout v3.12 Previous HEAD position was e1e9580... Merge remote-tracking branch 'aio/master' HEAD is now at 5e01dc7... Linux 3.12 ls -a /kernel-tests/run-queue/kvm/i386-randconfig-j7-11082318/next:master:5e01dc7b26d9f24f39abace5da98ccbd6a5ceb52:bisect-mm SUCCESS bisect: good commit v3.12 git bisect start e1e958029781a5f22a47807f9648ab9d221746f4 v3.12 -- Previous HEAD position was 5e01dc7... Linux 3.12 HEAD is now at 3c0eee3... Linux 2.6.37 Bisecting: 5020 revisions left to test after this (roughly 12 steps) [513e72b3ae0e7d35b09b72c360e548781b345fe7] Merge remote-tracking branch 'pm/linux-next' git bisect run /c/kernel-tests/bisect-test-boot-failure.sh /home/wfg/mm/obj-bisect running /c/kernel-tests/bisect-test-boot-failure.sh /home/wfg/mm/obj-bisect ls -a /kernel-tests/run-queue/kvm/i386-randconfig-j7-11082318/next:master:513e72b3ae0e7d35b09b72c360e548781b345fe7:bisect-mm 2013-11-10-18:49:15 513e72b3ae0e7d35b09b72c360e548781b345fe7 compiling 725 real 2522 user 213 sys 377.20% cpu i386-randconfig-j7-11082318 2013-11-10-19:07:47 detecting boot state 3.12.0-05152-g513e72b 5 8 14 20 SUCCESS Bisecting: 2527 revisions left to test after this (roughly 11 steps) [a73f39d6bb13cd0eadf566e202dbfd114de2b9bc] Merge remote-tracking branch 'virtio/virtio-next' running /c/kernel-tests/bisect-test-boot-failure.sh /home/wfg/mm/obj-bisect ls -a /kernel-tests/run-queue/kvm/i386-randconfig-j7-11082318/next:master:a73f39d6bb13cd0eadf566e202dbfd114de2b9bc:bisect-mm 2013-11-10-19:09:52 a73f39d6bb13cd0eadf566e202dbfd114de2b9bc compiling 535 real 2523 user 221 sys 512.51% cpu i386-randconfig-j7-11082318 2013-11-10-19:21:00 detecting boot state 3.12.0-07645-ga73f39d 1 10 12 18 20 SUCCESS Bisecting: 1279 revisions left to test after this (roughly 10 steps) [8d31e8536540635a1d56c9cd4a30eefe7f236644] Merge remote-tracking branch 'spi/for-next' running /c/kernel-tests/bisect-test-boot-failure.sh /home/wfg/mm/obj-bisect ls -a /kernel-tests/run-queue/kvm/i386-randconfig-j7-11082318/next:master:8d31e8536540635a1d56c9cd4a30eefe7f236644:bisect-mm 2013-11-10-19:23:34 8d31e8536540635a1d56c9cd4a30eefe7f236644 compiling 817 real 2526 user 216 sys 335.52% cpu i386-randconfig-j7-11082318 2013-11-10-19:38:12 detecting boot state 3.12.0-08893-g8d31e85 4 12 13 20 SUCCESS Bisecting: 645 revisions left to test after this (roughly 9 steps) [47b8d9c8c38a956094e7f6b231371331dd2dd0d9] Merge branch 'x86/hyperv' running /c/kernel-tests/bisect-test-boot-failure.sh /home/wfg/mm/obj-bisect ls -a /kernel-tests/run-queue/kvm/i386-randconfig-j7-11082318/next:master:47b8d9c8c38a956094e7f6b231371331dd2dd0d9:bisect-mm 2013-11-10-19:40:19 47b8d9c8c38a956094e7f6b231371331dd2dd0d9 compiling 786 real 2508 user 212 sys 345.81% cpu i386-randconfig-j7-11082318 2013-11-10-19:55:32 detecting boot state 3.12.0-00634-g47b8d9c. TEST FAILURE [ 2.610461] libphy: Fixed MDIO Bus: probed [ 2.611425] pcnet32: pcnet32.c:v1.35 21.Apr.2008 tsbogend@alpha.franken.de [ 2.612031] cnic: Broadcom NetXtreme II CNIC Driver cnic v2.5.18 (Sept 01, 2013) [ 2.612188] INFO: trying to register non-static key. [ 2.612189] the code is fine but needs lockdep annotation. [ 2.612190] turning off the locking correctness validator. [ 2.612194] CPU: 0 PID: 96 Comm: kworker/u4:1 Not tainted 3.12.0-00634-g47b8d9c #502 [ 2.612195] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 2.612203] Workqueue: events_unbound async_run_entry_fn [ 2.612208] 7828e28e 00000000 7f3cd968 78fa7523 799cfa3c 7f3cd9a0 78288bb8 7938a0a9 [ 2.612213] 7938a103 7938a0d9 7f3a4898 00000000 00000011 44362011 0000a805 7f3a43b0 [ 2.612217] 7f3a43b0 85bf3540 00000000 7f3cd9cc 7828983f 00000000 00000001 00000000 [ 2.612217] Call Trace: [ 2.612224] [<7828e28e>] ? vprintk_emit+0x426/0x4a0 [ 2.612230] [<78fa7523>] dump_stack+0x48/0x60 [ 2.612232] [<78288bb8>] __lock_acquire.isra.26+0x7ea/0xcf2 [ 2.612235] [<7828983f>] lock_acquire+0x71/0x9a [ 2.612239] [<785fdca6>] ? blk_throtl_bio+0x1c3/0x485 [ 2.612241] [<785fc887>] throtl_update_dispatch_stats+0x7c/0x153 [ 2.612244] [<785fdca6>] ? blk_throtl_bio+0x1c3/0x485 [ 2.612246] [<785fdca6>] blk_throtl_bio+0x1c3/0x485 [ 2.612249] [<7827be31>] ? sched_clock_local+0x17/0x106 [ 2.612251] [<7827c0c3>] ? sched_clock_cpu+0x105/0x113 [ 2.612255] [<785ec1b2>] generic_make_request_checks+0x3bb/0x3d2 [ 2.612258] [<7827c0c3>] ? sched_clock_cpu+0x105/0x113 [ 2.612260] [<785ed947>] generic_make_request+0xf/0xb5 [ 2.612262] [<785eda52>] submit_bio+0x65/0xd2 [ 2.612267] [<78314ca5>] _submit_bh+0x226/0x243 [ 2.612269] [<78314ccc>] submit_bh+0xa/0xc [ 2.612271] [<78315ca1>] block_read_full_page+0x2aa/0x2c5 [ 2.612273] [<78318959>] ? bio_dirty_fn+0x68/0x68 [ 2.612279] [<782be4a1>] ? add_to_page_cache_locked+0xb4/0xe2 [ 2.612281] [<78318bef>] ? blkdev_write_begin+0x20/0x20 [ 2.612284] [<78318bef>] ? blkdev_write_begin+0x20/0x20 [ 2.612286] [<78318bfe>] blkdev_readpage+0xf/0x11 [ 2.612289] [<782bf00c>] do_read_cache_page+0x6e/0x11b [ 2.612292] [<782bfd1a>] read_cache_page_async+0x19/0x1e [ 2.612294] [<78318bef>] ? blkdev_write_begin+0x20/0x20 [ 2.612297] [<782bfd4b>] read_cache_page+0xb/0x12 [ 2.612299] [<785f79fd>] read_dev_sector+0x26/0x61 [ 2.612301] [<785f844b>] read_lba+0xae/0xf9 [ 2.612304] [<782e51c1>] ? kmem_cache_alloc+0xf9/0x12b [ 2.612307] [<785f897b>] efi_partition+0x17a/0x9c2 [ 2.612309] [<782c42e4>] ? __alloc_pages_nodemask+0xe3/0x61e [ 2.612312] [<7860ba9d>] ? string.isra.4+0x29/0x93 [ 2.612315] [<7860ba9d>] ? string.isra.4+0x29/0x93 [ 2.612340] [<7860c842>] ? vsnprintf+0x81/0x26f [ 2.612342] [<7860cccf>] ? snprintf+0x15/0x17 [ 2.612345] [<785f7b34>] check_partition+0xe4/0x178 [ 2.612347] [<785f7b34>] ? check_partition+0xe4/0x178 [ 2.612349] [<785f7786>] rescan_partitions+0x89/0x267 [ 2.612352] [<78318ce3>] ? bdev_inode_switch_bdi+0xd2/0xe6 [ 2.612354] [<78319a9a>] __blkdev_get+0x173/0x363 [ 2.612357] [<78319cd5>] blkdev_get+0x4b/0x23d [ 2.612359] [<78319393>] ? bdget+0xf8/0x105 [ 2.612363] [<788adbb6>] ? put_device+0xf/0x11 [ 2.612365] [<785f5763>] add_disk+0x26b/0x3b5 [ 2.612368] [<788b5cd0>] ? __pm_runtime_use_autosuspend+0x4a/0x4f [ 2.612371] [<789d2db5>] sd_probe_async+0x111/0x198 [ 2.612374] [<78275139>] async_run_entry_fn+0x59/0xff [ 2.612378] [<7826c265>] process_one_work+0x1ef/0x349 [ 2.612380] [<7826c20c>] ? process_one_work+0x196/0x349 [ 2.612383] [<7826c7b6>] worker_thread+0x1a3/0x274 [ 2.612386] [<7826c613>] ? rescuer_thread+0x233/0x233 [ 2.612388] [<78270e01>] kthread+0x8a/0x8f [ 2.612391] [<78270000>] ? common_timer_set+0xfc/0x143 [ 2.612394] [<78fbaa7b>] ret_from_kernel_thread+0x1b/0x30 [ 2.612396] [<78270d77>] ? __kthread_parkme+0x50/0x50 [ 2.614048] sda: unknown partition table [ 2.618090] sd 0:0:0:0: [sda] Attached SCSI disk [ 2.640125] enic: Cisco VIC Ethernet NIC Driver, ver 2.1.1.50 /kernel/i386-randconfig-j7-11082318/47b8d9c8c38a956094e7f6b231371331dd2dd0d9/dmesg-quantal-inn-15:20131110195544:i386-randconfig-j7-11082318:3.12.0-00634-g47b8d9c:502 /kernel/i386-randconfig-j7-11082318/47b8d9c8c38a956094e7f6b231371331dd2dd0d9/dmesg-quantal-inn-30:20131110195541:i386-randconfig-j7-11082318:3.12.0-00634-g47b8d9c:502 /kernel/i386-randconfig-j7-11082318/47b8d9c8c38a956094e7f6b231371331dd2dd0d9/dmesg-quantal-inn-43:20131110195548:i386-randconfig-j7-11082318:3.12.0-00634-g47b8d9c:502 /kernel/i386-randconfig-j7-11082318/47b8d9c8c38a956094e7f6b231371331dd2dd0d9/dmesg-quantal-xps-2:20131111035313:i386-randconfig-j7-11082318:3.12.0-00634-g47b8d9c:502 0:4:4 all_good:bad:all_bad boots REPEAT COUNT: 20 # /cc/wfg/mm-bisect/.repeat Bisecting: 329 revisions left to test after this (roughly 8 steps) [8a4d0b56b031455adcbe4a9383c3b497456fcfac] Merge branch 'uprobes/core' of git://git.kernel.org/pub/scm/linux/kernel/git/oleg/misc into perf/core running /c/kernel-tests/bisect-test-boot-failure.sh /home/wfg/mm/obj-bisect ls -a /kernel-tests/run-queue/kvm/i386-randconfig-j7-11082318/next:master:8a4d0b56b031455adcbe4a9383c3b497456fcfac:bisect-mm 2013-11-10-19:56:08 8a4d0b56b031455adcbe4a9383c3b497456fcfac compiling 766 real 2514 user 228 sys 357.90% cpu i386-randconfig-j7-11082318 2013-11-10-20:12:33 detecting boot state 3.12.0-00304-g8a4d0b56 10 12 13 18... 19....... 20 SUCCESS Bisecting: 158 revisions left to test after this (roughly 7 steps) [c90423d1de12fbeaf0c898e1db0e962de347302b] Merge branch 'sched/core' into core/locking, to prepare the kernel/locking/ file move running /c/kernel-tests/bisect-test-boot-failure.sh /home/wfg/mm/obj-bisect ls -a /kernel-tests/run-queue/kvm/i386-randconfig-j7-11082318/next:master:c90423d1de12fbeaf0c898e1db0e962de347302b:bisect-mm 2013-11-10-20:20:38 c90423d1de12fbeaf0c898e1db0e962de347302b compiling 734 real 2509 user 225 sys 372.46% cpu i386-randconfig-j7-11082318 2013-11-10-20:34:17 detecting boot state 3.12.0-00171-gc90423d 9. 13 19.. 20 SUCCESS Bisecting: 66 revisions left to test after this (roughly 6 steps) [25c1bd1db04d58967bbd979bea71e82db2292407] Merge branch 'timers/core' running /c/kernel-tests/bisect-test-boot-failure.sh /home/wfg/mm/obj-bisect ls -a /kernel-tests/run-queue/kvm/i386-randconfig-j7-11082318/next:master:25c1bd1db04d58967bbd979bea71e82db2292407:bisect-mm 2013-11-10-20:37:51 25c1bd1db04d58967bbd979bea71e82db2292407 compiling 740 real 2503 user 224 sys 368.69% cpu i386-randconfig-j7-11082318 2013-11-10-20:52:40 detecting boot state 3.12.0-00567-g25c1bd1. TEST FAILURE [ 1.935069] sd 0:0:0:0: [sda] Write cache: enabled, read cache: enabled, supports DPO and FUA [ 1.936296] pmc551: not detected [ 1.938052] Spectra MTD driver built on Nov 10 2013 @ 20:44:47 [ 1.941186] INFO: trying to register non-static key. [ 1.941664] the code is fine but needs lockdep annotation. [ 1.942029] turning off the locking correctness validator. [ 1.942029] CPU: 0 PID: 96 Comm: kworker/u4:1 Not tainted 3.12.0-00567-g25c1bd1 #505 [ 1.942029] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 1.942029] Workqueue: events_unbound async_run_entry_fn [ 1.942029] 7828d999 00000000 87805968 78fa3ef8 799c9a3c 878059a0 78288742 79385f18 [ 1.942029] 79385f72 79385f48 7f3d3308 00000000 00000011 48356011 0000a885 7f3d2e20 [ 1.942029] 7f3d2e20 85bf3540 00000000 878059cc 782893c9 00000000 00000001 00000000 [ 1.942029] Call Trace: [ 1.942029] [<7828d999>] ? console_unlock+0x353/0x380 [ 1.942029] [<78fa3ef8>] dump_stack+0x48/0x60 [ 1.942029] [<78288742>] __lock_acquire.isra.26+0x7ea/0xcf2 [ 1.942029] [<782893c9>] lock_acquire+0x71/0x9a [ 1.942029] [<785fce84>] ? blk_throtl_bio+0x1c3/0x485 [ 1.942029] [<785fba65>] throtl_update_dispatch_stats+0x7c/0x153 [ 1.942029] [<785fce84>] ? blk_throtl_bio+0x1c3/0x485 [ 1.942029] [<785fce84>] blk_throtl_bio+0x1c3/0x485 [ 1.942029] [<7827b9bb>] ? sched_clock_local+0x17/0x106 [ 1.942029] [<7827bc4d>] ? sched_clock_cpu+0x105/0x113 [ 1.942029] [<785eb452>] generic_make_request_checks+0x3bb/0x3d2 [ 1.942029] [<7827bc4d>] ? sched_clock_cpu+0x105/0x113 [ 1.942029] [<785ecbe7>] generic_make_request+0xf/0xb5 [ 1.942029] [<785eccf2>] submit_bio+0x65/0xd2 [ 1.942029] [<78314535>] _submit_bh+0x226/0x243 [ 1.942029] [<7831455c>] submit_bh+0xa/0xc [ 1.942029] [<78315531>] block_read_full_page+0x2aa/0x2c5 [ 1.942029] [<783181cd>] ? bio_dirty_fn+0x68/0x68 [ 1.942029] [<782bdf50>] ? add_to_page_cache_locked+0xb4/0xe2 [ 1.942029] [<78318463>] ? blkdev_write_begin+0x20/0x20 [ 1.942029] [<78318463>] ? blkdev_write_begin+0x20/0x20 [ 1.942029] [<78318472>] blkdev_readpage+0xf/0x11 [ 1.942029] [<782beabb>] do_read_cache_page+0x6e/0x11b [ 1.942029] [<782bf7c9>] read_cache_page_async+0x19/0x1e [ 1.942029] [<78318463>] ? blkdev_write_begin+0x20/0x20 [ 1.942029] [<782bf7fa>] read_cache_page+0xb/0x12 [ 1.942029] [<785f6c14>] read_dev_sector+0x26/0x61 [ 1.942029] [<785f7662>] read_lba+0xae/0xf9 [ 1.942029] [<782e4c2d>] ? kmem_cache_alloc+0xf9/0x12b [ 1.942029] [<785f7b92>] efi_partition+0x17a/0x9c2 [ 1.942029] [<782c3d93>] ? __alloc_pages_nodemask+0xe3/0x61e [ 1.942029] [<7860ac7b>] ? string.isra.4+0x29/0x93 [ 1.942029] [<7860ac7b>] ? string.isra.4+0x29/0x93 [ 1.942029] [<7860ba20>] ? vsnprintf+0x81/0x26f [ 1.942029] [<7860bead>] ? snprintf+0x15/0x17 [ 1.942029] [<785f6d4b>] check_partition+0xe4/0x178 [ 1.942029] [<785f6d4b>] ? check_partition+0xe4/0x178 [ 1.942029] [<785f699d>] rescan_partitions+0x89/0x267 [ 1.942029] [<78318557>] ? bdev_inode_switch_bdi+0xd2/0xe6 [ 1.942029] [<7831930e>] __blkdev_get+0x173/0x363 [ 1.942029] [<78319549>] blkdev_get+0x4b/0x23d [ 1.942029] [<78318c07>] ? bdget+0xf8/0x105 [ 1.942029] [<788ac3da>] ? put_device+0xf/0x11 [ 1.942029] [<785f49f0>] add_disk+0x26b/0x3b5 [ 1.942029] [<788b44f4>] ? __pm_runtime_use_autosuspend+0x4a/0x4f [ 1.942029] [<789d126d>] sd_probe_async+0x111/0x198 [ 1.942029] [<78274cec>] async_run_entry_fn+0x59/0xff [ 1.942029] [<7826be6e>] process_one_work+0x1ef/0x349 [ 1.942029] [<7826be15>] ? process_one_work+0x196/0x349 [ 1.942029] [<7826c3bf>] worker_thread+0x1a3/0x274 [ 1.942029] [<7826c21c>] ? rescuer_thread+0x233/0x233 [ 1.942029] [<782709cf>] kthread+0x8a/0x8f [ 1.942029] [<78270000>] ? posix_timers_register_clock+0x4c/0x4e [ 1.942029] [<78fb743b>] ret_from_kernel_thread+0x1b/0x30 [ 1.942029] [<78270945>] ? __kthread_parkme+0x50/0x50 [ 1.975056] sda: unknown partition table [ 1.976717] No valid DiskOnChip devices found [ 1.977139] [nandsim] warning: read_byte: unexpected data output cycle, state is STATE_READY return 0x0 /kernel/i386-randconfig-j7-11082318/25c1bd1db04d58967bbd979bea71e82db2292407/dmesg-quantal-cairo-23:20131110205248:i386-randconfig-j7-11082318:3.12.0-00567-g25c1bd1:505 /kernel/i386-randconfig-j7-11082318/25c1bd1db04d58967bbd979bea71e82db2292407/dmesg-quantal-cairo-37:20131110205249:i386-randconfig-j7-11082318:3.12.0-00567-g25c1bd1:505 /kernel/i386-randconfig-j7-11082318/25c1bd1db04d58967bbd979bea71e82db2292407/dmesg-quantal-inn-11:20131110205250:i386-randconfig-j7-11082318:3.12.0-00567-g25c1bd1:505 /kernel/i386-randconfig-j7-11082318/25c1bd1db04d58967bbd979bea71e82db2292407/dmesg-quantal-inn-19:20131110205248:i386-randconfig-j7-11082318:3.12.0-00567-g25c1bd1:505 /kernel/i386-randconfig-j7-11082318/25c1bd1db04d58967bbd979bea71e82db2292407/dmesg-quantal-inn-47:20131110205250:i386-randconfig-j7-11082318:3.12.0-00567-g25c1bd1:505 /kernel/i386-randconfig-j7-11082318/25c1bd1db04d58967bbd979bea71e82db2292407/dmesg-quantal-cairo-1:20131110205250:i386-randconfig-j7-11082318:3.12.0-00567-g25c1bd1:505 /kernel/i386-randconfig-j7-11082318/25c1bd1db04d58967bbd979bea71e82db2292407/dmesg-quantal-inn-37:20131110205255:i386-randconfig-j7-11082318:3.12.0-00567-g25c1bd1:505 /kernel/i386-randconfig-j7-11082318/25c1bd1db04d58967bbd979bea71e82db2292407/dmesg-quantal-inn-45:20131110205251:i386-randconfig-j7-11082318:3.12.0-00567-g25c1bd1:505 /kernel/i386-randconfig-j7-11082318/25c1bd1db04d58967bbd979bea71e82db2292407/dmesg-quantal-lkp-tt02-4:20131110114425:i386-randconfig-j7-11082318:3.12.0-00567-g25c1bd1:505 /kernel/i386-randconfig-j7-11082318/25c1bd1db04d58967bbd979bea71e82db2292407/dmesg-quantal-stoakley-6:20131110205255:i386-randconfig-j7-11082318:3.12.0-00567-g25c1bd1:505 /kernel/i386-randconfig-j7-11082318/25c1bd1db04d58967bbd979bea71e82db2292407/dmesg-quantal-xgwo-1:20131111044916:i386-randconfig-j7-11082318:3.12.0-00567-g25c1bd1:505 0:11:11 all_good:bad:all_bad boots REPEAT COUNT: 20 # /cc/wfg/mm-bisect/.repeat Bisecting: 43 revisions left to test after this (roughly 6 steps) [8a749de5e32d2b72def93f7bd7a2745580d75872] Merge branch 'fortglx/3.13/time' of git://git.linaro.org/people/jstultz/linux into timers/core running /c/kernel-tests/bisect-test-boot-failure.sh /home/wfg/mm/obj-bisect ls -a /kernel-tests/run-queue/kvm/i386-randconfig-j7-11082318/next:master:8a749de5e32d2b72def93f7bd7a2745580d75872:bisect-mm 2013-11-10-20:53:15 8a749de5e32d2b72def93f7bd7a2745580d75872 compiling 879 real 2500 user 216 sys 308.90% cpu i386-randconfig-j7-11082318 2013-11-10-21:09:08 detecting boot state 3.12.0-rc3-00048-g8a749de 4 6 18 19.. 20 SUCCESS Bisecting: 19 revisions left to test after this (roughly 5 steps) [226e4c81385ac8d47962d5660c54ff9df629c15e] Merge branch 'irq/core' running /c/kernel-tests/bisect-test-boot-failure.sh /home/wfg/mm/obj-bisect ls -a /kernel-tests/run-queue/kvm/i386-randconfig-j7-11082318/next:master:226e4c81385ac8d47962d5660c54ff9df629c15e:bisect-mm 2013-11-10-21:12:41 226e4c81385ac8d47962d5660c54ff9df629c15e compiling 1000 real 2496 user 206 sys 270.21% cpu i386-randconfig-j7-11082318 2013-11-10-21:30:28 detecting boot state 3.12.0-00195-g226e4c8. TEST FAILURE [ 1.934309] Ramix PMC551 PCI Mezzanine Ram Driver. (C) 1999,2000 Nortel Networks. [ 1.934315] pmc551: not detected [ 1.935985] Spectra MTD driver built on Nov 10 2013 @ 21:16:05 [ 1.946445] INFO: trying to register non-static key. [ 1.947069] the code is fine but needs lockdep annotation. [ 1.947069] turning off the locking correctness validator. [ 1.947069] CPU: 0 PID: 95 Comm: kworker/u4:1 Not tainted 3.12.0-00195-g226e4c8 #507 [ 1.947069] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 1.947069] Workqueue: events_unbound async_run_entry_fn [ 1.947069] 7828d6ed 00000000 7f3c5968 78fa3bc2 799c9a3c 7f3c59a0 78288496 79385c6a [ 1.947069] 79385cc4 79385c9a 8567a518 00000000 00000011 3835a011 0000a685 8567a030 [ 1.947069] 8567a030 85bf3540 00000000 7f3c59cc 7828911d 00000000 00000001 00000000 [ 1.947069] Call Trace: [ 1.947069] [<7828d6ed>] ? console_unlock+0x353/0x380 [ 1.947069] [<78fa3bc2>] dump_stack+0x48/0x60 [ 1.947069] [<78288496>] __lock_acquire.isra.26+0x7ea/0xcf2 [ 1.947069] [<7828911d>] lock_acquire+0x71/0x9a [ 1.947069] [<785fcb04>] ? blk_throtl_bio+0x1c3/0x485 [ 1.947069] [<785fb6e5>] throtl_update_dispatch_stats+0x7c/0x153 [ 1.947069] [<785fcb04>] ? blk_throtl_bio+0x1c3/0x485 [ 1.947069] [<785fcb04>] blk_throtl_bio+0x1c3/0x485 [ 1.947069] [<7827b70f>] ? sched_clock_local+0x17/0x106 [ 1.947069] [<7827b9a1>] ? sched_clock_cpu+0x105/0x113 [ 1.947069] [<785eb0d2>] generic_make_request_checks+0x3bb/0x3d2 [ 1.947069] [<7827b9a1>] ? sched_clock_cpu+0x105/0x113 [ 1.947069] [<785ec867>] generic_make_request+0xf/0xb5 [ 1.947069] [<785ec972>] submit_bio+0x65/0xd2 [ 1.947069] [<783141bf>] _submit_bh+0x226/0x243 [ 1.947069] [<783141e6>] submit_bh+0xa/0xc [ 1.947069] [<783151bb>] block_read_full_page+0x2aa/0x2c5 [ 1.947069] [<78317e57>] ? bio_dirty_fn+0x68/0x68 [ 1.947069] [<782bdbda>] ? add_to_page_cache_locked+0xb4/0xe2 [ 1.947069] [<783180ed>] ? blkdev_write_begin+0x20/0x20 [ 1.947069] [<783180ed>] ? blkdev_write_begin+0x20/0x20 [ 1.947069] [<783180fc>] blkdev_readpage+0xf/0x11 [ 1.947069] [<782be745>] do_read_cache_page+0x6e/0x11b [ 1.947069] [<782bf453>] read_cache_page_async+0x19/0x1e [ 1.947069] [<783180ed>] ? blkdev_write_begin+0x20/0x20 [ 1.947069] [<782bf484>] read_cache_page+0xb/0x12 [ 1.947069] [<785f6894>] read_dev_sector+0x26/0x61 [ 1.947069] [<785f72e2>] read_lba+0xae/0xf9 [ 1.947069] [<782e48b7>] ? kmem_cache_alloc+0xf9/0x12b [ 1.947069] [<785f7812>] efi_partition+0x17a/0x9c2 [ 1.947069] [<782c3a1d>] ? __alloc_pages_nodemask+0xe3/0x61e [ 1.947069] [<7860a8fb>] ? string.isra.4+0x29/0x93 [ 1.947069] [<7860a8fb>] ? string.isra.4+0x29/0x93 [ 1.947069] [<7860b6a0>] ? vsnprintf+0x81/0x26f [ 1.974150] No valid DiskOnChip devices found [ 1.974166] [nandsim] warning: read_byte: unexpected data output cycle, state is STATE_READY return 0x0 [ 1.974167] [nandsim] warning: read_byte: unexpected data output cycle, state is STATE_READY return 0x0 /kernel/i386-randconfig-j7-11082318/226e4c81385ac8d47962d5660c54ff9df629c15e/dmesg-quantal-xian-15:20131110213037:i386-randconfig-j7-11082318:3.12.0-00195-g226e4c8:507 /kernel/i386-randconfig-j7-11082318/226e4c81385ac8d47962d5660c54ff9df629c15e/dmesg-quantal-xian-33:20131110213037:i386-randconfig-j7-11082318:3.12.0-00195-g226e4c8:507 /kernel/i386-randconfig-j7-11082318/226e4c81385ac8d47962d5660c54ff9df629c15e/dmesg-quantal-xian-37:20131110213037:i386-randconfig-j7-11082318:3.12.0-00195-g226e4c8:507 /kernel/i386-randconfig-j7-11082318/226e4c81385ac8d47962d5660c54ff9df629c15e/dmesg-quantal-cairo-7:20131110213043:i386-randconfig-j7-11082318:3.12.0-00195-g226e4c8:507 /kernel/i386-randconfig-j7-11082318/226e4c81385ac8d47962d5660c54ff9df629c15e/dmesg-quantal-inn-4:20131110213039:i386-randconfig-j7-11082318:3.12.0-00195-g226e4c8:507 /kernel/i386-randconfig-j7-11082318/226e4c81385ac8d47962d5660c54ff9df629c15e/dmesg-quantal-stoakley-3:20131110213045:i386-randconfig-j7-11082318:3.12.0-00195-g226e4c8:507 /kernel/i386-randconfig-j7-11082318/226e4c81385ac8d47962d5660c54ff9df629c15e/dmesg-quantal-stoakley-6:20131110213038:i386-randconfig-j7-11082318:3.12.0-00195-g226e4c8:507 /kernel/i386-randconfig-j7-11082318/226e4c81385ac8d47962d5660c54ff9df629c15e/dmesg-quantal-xian-32:20131110213041:i386-randconfig-j7-11082318:3.12.0-00195-g226e4c8:507 0:8:8 all_good:bad:all_bad boots REPEAT COUNT: 20 # /cc/wfg/mm-bisect/.repeat Bisecting: 11 revisions left to test after this (roughly 4 steps) [5ac68e7c34a4797aa4ca9615e5a6603bda1abe9b] ipv6: Fix possible ipv6 seqlock deadlock running /c/kernel-tests/bisect-test-boot-failure.sh /home/wfg/mm/obj-bisect ls -a /kernel-tests/run-queue/kvm/i386-randconfig-j7-11082318/next:master:5ac68e7c34a4797aa4ca9615e5a6603bda1abe9b:bisect-mm 2013-11-10-21:31:07 5ac68e7c34a4797aa4ca9615e5a6603bda1abe9b compiling 667 real 1654 user 130 sys 267.55% cpu i386-randconfig-j7-11082318 2013-11-10-21:45:41 detecting boot state 3.12.0-00183-g5ac68e7. TEST FAILURE [ 2.141764] Ramix PMC551 PCI Mezzanine Ram Driver. (C) 1999,2000 Nortel Networks. [ 2.142553] pmc551: not detected [ 2.144597] Spectra MTD driver built on Nov 10 2013 @ 21:16:05 [ 2.147152] INFO: trying to register non-static key. [ 2.147696] the code is fine but needs lockdep annotation. [ 2.148012] turning off the locking correctness validator. [ 2.148012] CPU: 1 PID: 96 Comm: kworker/u4:1 Not tainted 3.12.0-00183-g5ac68e7 #508 [ 2.148012] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 2.148012] Workqueue: events_unbound async_run_entry_fn [ 2.148012] 7828d6e7 00000000 7f3cb968 78fa3bc2 799c824c 7f3cb9a0 78288490 79385c7d [ 2.148012] 79385cd7 79385cad 7f3cf308 00000000 00000011 50352011 0000a985 7f3cee20 [ 2.148012] 7f3cee20 85d3e540 00000000 7f3cb9cc 78289117 00000000 00000001 00000000 [ 2.148012] Call Trace: [ 2.148012] [<7828d6e7>] ? console_unlock+0x353/0x380 [ 2.148012] [<78fa3bc2>] dump_stack+0x48/0x60 [ 2.148012] [<78288490>] __lock_acquire.isra.26+0x7ea/0xcf2 [ 2.148012] [<78289117>] lock_acquire+0x71/0x9a [ 2.148012] [<785fcb04>] ? blk_throtl_bio+0x1c3/0x485 [ 2.148012] [<785fb6e5>] throtl_update_dispatch_stats+0x7c/0x153 [ 2.148012] [<785fcb04>] ? blk_throtl_bio+0x1c3/0x485 [ 2.148012] [<785fcb04>] blk_throtl_bio+0x1c3/0x485 [ 2.148012] [<7827b709>] ? sched_clock_local+0x17/0x106 [ 2.148012] [<7827b99b>] ? sched_clock_cpu+0x105/0x113 [ 2.148012] [<785eb0d2>] generic_make_request_checks+0x3bb/0x3d2 [ 2.148012] [<7827b99b>] ? sched_clock_cpu+0x105/0x113 [ 2.148012] [<785ec867>] generic_make_request+0xf/0xb5 [ 2.148012] [<785ec972>] submit_bio+0x65/0xd2 [ 2.148012] [<783141b9>] _submit_bh+0x226/0x243 [ 2.148012] [<783141e0>] submit_bh+0xa/0xc [ 2.148012] [<783151b5>] block_read_full_page+0x2aa/0x2c5 [ 2.148012] [<78317e51>] ? bio_dirty_fn+0x68/0x68 [ 2.148012] [<782bdbd4>] ? add_to_page_cache_locked+0xb4/0xe2 [ 2.148012] [<783180e7>] ? blkdev_write_begin+0x20/0x20 [ 2.148012] [<783180e7>] ? blkdev_write_begin+0x20/0x20 [ 2.148012] [<783180f6>] blkdev_readpage+0xf/0x11 [ 2.148012] [<782be73f>] do_read_cache_page+0x6e/0x11b [ 2.148012] [<782bf44d>] read_cache_page_async+0x19/0x1e [ 2.148012] [<783180e7>] ? blkdev_write_begin+0x20/0x20 [ 2.148012] [<782bf47e>] read_cache_page+0xb/0x12 [ 2.148012] [<785f6894>] read_dev_sector+0x26/0x61 [ 2.148012] [<785f72e2>] read_lba+0xae/0xf9 [ 2.148012] [<782e48b1>] ? kmem_cache_alloc+0xf9/0x12b [ 2.148012] [<785f7812>] efi_partition+0x17a/0x9c2 [ 2.148012] [<782c3a17>] ? __alloc_pages_nodemask+0xe3/0x61e [ 2.148012] [<7860a8fb>] ? string.isra.4+0x29/0x93 [ 2.148012] [<7860a8fb>] ? string.isra.4+0x29/0x93 [ 2.148012] [<7860b6a0>] ? vsnprintf+0x81/0x26f [ 2.148012] [<7860bb2d>] ? snprintf+0x15/0x17 [ 2.148012] [<785f69cb>] check_partition+0xe4/0x178 [ 2.148012] [<785f69cb>] ? check_partition+0xe4/0x178 [ 2.148012] [<785f661d>] rescan_partitions+0x89/0x267 [ 2.148012] [<783181db>] ? bdev_inode_switch_bdi+0xd2/0xe6 [ 2.148012] [<78318f92>] __blkdev_get+0x173/0x363 [ 2.148012] [<783191cd>] blkdev_get+0x4b/0x23d [ 2.148012] [<7831888b>] ? bdget+0xf8/0x105 [ 2.148012] [<788ac0ca>] ? put_device+0xf/0x11 [ 2.148012] [<785f4670>] add_disk+0x26b/0x3b5 [ 2.148012] [<788b41e4>] ? __pm_runtime_use_autosuspend+0x4a/0x4f [ 2.148012] [<789d0f5d>] sd_probe_async+0x111/0x198 [ 2.148012] [<78274a86>] async_run_entry_fn+0x59/0xff [ 2.148012] [<7826bc08>] process_one_work+0x1ef/0x349 [ 2.148012] [<7826bbaf>] ? process_one_work+0x196/0x349 [ 2.148012] [<7826c159>] worker_thread+0x1a3/0x274 [ 2.148012] [<7826bfb6>] ? rescuer_thread+0x233/0x233 [ 2.148012] [<78270769>] kthread+0x8a/0x8f [ 2.148012] [<78270000>] ? SyS_timer_create+0x264/0x341 [ 2.148012] [<78fb70fb>] ret_from_kernel_thread+0x1b/0x30 [ 2.183376] No valid DiskOnChip devices found [ 2.183394] [nandsim] warning: read_byte: unexpected data output cycle, state is STATE_READY return 0x0 [ 2.183395] [nandsim] warning: read_byte: unexpected data output cycle, state is STATE_READY return 0x0 /kernel/i386-randconfig-j7-11082318/5ac68e7c34a4797aa4ca9615e5a6603bda1abe9b/dmesg-quantal-waimea-11:20131111054153:i386-randconfig-j7-11082318:3.12.0-00183-g5ac68e7:508 /kernel/i386-randconfig-j7-11082318/5ac68e7c34a4797aa4ca9615e5a6603bda1abe9b/dmesg-quantal-snb-2:20131110214559:i386-randconfig-j7-11082318:3.12.0-00183-g5ac68e7:508 /kernel/i386-randconfig-j7-11082318/5ac68e7c34a4797aa4ca9615e5a6603bda1abe9b/dmesg-quantal-snb-40:20131110214559:i386-randconfig-j7-11082318:3.12.0-00183-g5ac68e7:508 /kernel/i386-randconfig-j7-11082318/5ac68e7c34a4797aa4ca9615e5a6603bda1abe9b/dmesg-quantal-xgwo-4:20131111054208:i386-randconfig-j7-11082318:3.12.0-00183-g5ac68e7:508 0:4:4 all_good:bad:all_bad boots REPEAT COUNT: 20 # /cc/wfg/mm-bisect/.repeat Bisecting: 5 revisions left to test after this (roughly 3 steps) [ed428bfc3caaa4b1e6cd15ea12c90c30291903f0] locking: Move the rwsem code to kernel/locking/ running /c/kernel-tests/bisect-test-boot-failure.sh /home/wfg/mm/obj-bisect ls -a /kernel-tests/run-queue/kvm/i386-randconfig-j7-11082318/next:master:ed428bfc3caaa4b1e6cd15ea12c90c30291903f0:bisect-mm 2013-11-10-21:46:16 ed428bfc3caaa4b1e6cd15ea12c90c30291903f0 compiling 559 real 2487 user 211 sys 482.32% cpu i386-randconfig-j7-11082318 2013-11-10-21:57:35 detecting boot state 3.12.0-00177-ged428bf 9. 20 SUCCESS Bisecting: 2 revisions left to test after this (roughly 2 steps) [827da44c61419f29ae3be198c342e2147f1a10cb] net: Explicitly initialize u64_stats_sync structures for lockdep running /c/kernel-tests/bisect-test-boot-failure.sh /home/wfg/mm/obj-bisect ls -a /kernel-tests/run-queue/kvm/i386-randconfig-j7-11082318/next:master:827da44c61419f29ae3be198c342e2147f1a10cb:bisect-mm 2013-11-10-21:59:08 827da44c61419f29ae3be198c342e2147f1a10cb compiling 449 real 833 user 68 sys 200.69% cpu i386-randconfig-j7-11082318 2013-11-10-22:07:50 detecting boot state 3.12.0-00180-g827da44 13 15 18 20 SUCCESS Bisecting: 0 revisions left to test after this (roughly 1 step) [db751fe3ea6880ff5ac5abe60cb7b80deb5a4140] cpuset: Fix potential deadlock w/ set_mems_allowed running /c/kernel-tests/bisect-test-boot-failure.sh /home/wfg/mm/obj-bisect ls -a /kernel-tests/run-queue/kvm/i386-randconfig-j7-11082318/next:master:db751fe3ea6880ff5ac5abe60cb7b80deb5a4140:bisect-mm 2013-11-10-22:09:52 db751fe3ea6880ff5ac5abe60cb7b80deb5a4140 compiling 924 real 2508 user 212 sys 294.09% cpu i386-randconfig-j7-11082318 2013-11-10-22:25:51 detecting boot state 3.12.0-00182-gdb751fe. TEST FAILURE [ 2.286675] device id = 2440 [ 2.287311] device id = 2480 [ 2.287886] device id = 24c0 [ 2.288305] INFO: trying to register non-static key. [ 2.288306] the code is fine but needs lockdep annotation. [ 2.288307] turning off the locking correctness validator. [ 2.288310] CPU: 0 PID: 96 Comm: kworker/u4:1 Not tainted 3.12.0-00182-gdb751fe #511 [ 2.288311] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 2.288320] Workqueue: events_unbound async_run_entry_fn [ 2.288325] 7828db3a 00000000 7f3c1968 78fa3bb2 799c9a3c 7f3c19a0 78288490 79385c7d [ 2.288329] 79385cd7 79385cad 7f384718 00000000 00000011 3c348011 0000a705 7f384230 [ 2.288333] 7f384230 85bf3540 00000000 7f3c19cc 78289117 00000000 00000001 00000000 [ 2.288334] Call Trace: [ 2.288339] [<7828db3a>] ? vprintk_emit+0x426/0x4a0 [ 2.288345] [<78fa3bb2>] dump_stack+0x48/0x60 [ 2.288348] [<78288490>] __lock_acquire.isra.26+0x7ea/0xcf2 [ 2.288350] [<78289117>] lock_acquire+0x71/0x9a [ 2.288355] [<785fcb04>] ? blk_throtl_bio+0x1c3/0x485 [ 2.288357] [<785fb6e5>] throtl_update_dispatch_stats+0x7c/0x153 [ 2.288360] [<785fcb04>] ? blk_throtl_bio+0x1c3/0x485 [ 2.288362] [<785fcb04>] blk_throtl_bio+0x1c3/0x485 [ 2.288365] [<7827b709>] ? sched_clock_local+0x17/0x106 [ 2.288368] [<7827b99b>] ? sched_clock_cpu+0x105/0x113 [ 2.288373] [<785eb0d2>] generic_make_request_checks+0x3bb/0x3d2 [ 2.288375] [<7827b99b>] ? sched_clock_cpu+0x105/0x113 [ 2.288378] [<785ec867>] generic_make_request+0xf/0xb5 [ 2.288380] [<785ec972>] submit_bio+0x65/0xd2 [ 2.288384] [<783141b9>] _submit_bh+0x226/0x243 [ 2.288387] [<783141e0>] submit_bh+0xa/0xc [ 2.288389] [<783151b5>] block_read_full_page+0x2aa/0x2c5 [ 2.288392] [<78317e51>] ? bio_dirty_fn+0x68/0x68 [ 2.288397] [<782bdbd4>] ? add_to_page_cache_locked+0xb4/0xe2 [ 2.288399] [<783180e7>] ? blkdev_write_begin+0x20/0x20 [ 2.288402] [<783180e7>] ? blkdev_write_begin+0x20/0x20 [ 2.288404] [<783180f6>] blkdev_readpage+0xf/0x11 [ 2.288407] [<782be73f>] do_read_cache_page+0x6e/0x11b [ 2.288409] [<782bf44d>] read_cache_page_async+0x19/0x1e [ 2.288412] [<783180e7>] ? blkdev_write_begin+0x20/0x20 [ 2.288414] [<782bf47e>] read_cache_page+0xb/0x12 [ 2.288417] [<785f6894>] read_dev_sector+0x26/0x61 [ 2.288419] [<785f72e2>] read_lba+0xae/0xf9 [ 2.288423] [<782e48b1>] ? kmem_cache_alloc+0xf9/0x12b [ 2.288425] [<785f7812>] efi_partition+0x17a/0x9c2 [ 2.288430] [<7860a8fb>] ? string.isra.4+0x29/0x93 [ 2.288432] [<7860a8fb>] ? string.isra.4+0x29/0x93 [ 2.288435] [<7860b6a0>] ? vsnprintf+0x81/0x26f [ 2.288438] [<7860bb2d>] ? snprintf+0x15/0x17 [ 2.288440] [<785f69cb>] check_partition+0xe4/0x178 [ 2.288442] [<785f69cb>] ? check_partition+0xe4/0x178 [ 2.288445] [<785f661d>] rescan_partitions+0x89/0x267 [ 2.288447] [<783181db>] ? bdev_inode_switch_bdi+0xd2/0xe6 [ 2.288450] [<78318f92>] __blkdev_get+0x173/0x363 [ 2.288452] [<783191cd>] blkdev_get+0x4b/0x23d [ 2.288454] [<7831888b>] ? bdget+0xf8/0x105 [ 2.288459] [<788ac0ca>] ? put_device+0xf/0x11 [ 2.288461] [<785f4670>] add_disk+0x26b/0x3b5 [ 2.288465] [<788b41e4>] ? __pm_runtime_use_autosuspend+0x4a/0x4f [ 2.288469] [<789d0f5d>] sd_probe_async+0x111/0x198 [ 2.288471] [<78274a86>] async_run_entry_fn+0x59/0xff [ 2.288476] [<7826bc08>] process_one_work+0x1ef/0x349 [ 2.288480] [<7826bbaf>] ? process_one_work+0x196/0x349 [ 2.288482] [<7826c159>] worker_thread+0x1a3/0x274 [ 2.288485] [<7826bfb6>] ? rescuer_thread+0x233/0x233 [ 2.288488] [<78270769>] kthread+0x8a/0x8f [ 2.288490] [<78270000>] ? SyS_timer_create+0x264/0x341 [ 2.288494] [<78fb70fb>] ret_from_kernel_thread+0x1b/0x30 [ 2.288496] [<782706df>] ? __kthread_parkme+0x50/0x50 [ 2.290079] sda: unknown partition table [ 2.294118] sd 0:0:0:0: [sda] Attached SCSI disk [ 2.356351] device id = 24d0 /kernel/i386-randconfig-j7-11082318/db751fe3ea6880ff5ac5abe60cb7b80deb5a4140/dmesg-quantal-lkp-tt02-22:20131110131741:i386-randconfig-j7-11082318:3.12.0-00182-gdb751fe:511 0:1:1 all_good:bad:all_bad boots REPEAT COUNT: 20 # /cc/wfg/mm-bisect/.repeat Bisecting: 0 revisions left to test after this (roughly 0 steps) [1ca7d67cf5d5a2aef26a8d9afd789006fa098347] seqcount: Add lockdep functionality to seqcount/seqlock structures running /c/kernel-tests/bisect-test-boot-failure.sh /home/wfg/mm/obj-bisect ls -a /kernel-tests/run-queue/kvm/i386-randconfig-j7-11082318/next:master:1ca7d67cf5d5a2aef26a8d9afd789006fa098347:bisect-mm 2013-11-10-22:26:28 1ca7d67cf5d5a2aef26a8d9afd789006fa098347 compiling 33 real 63 user 9 sys 220.65% cpu i386-randconfig-j7-11082318 2013-11-10-22:30:39 detecting boot state 3.12.0-00181-g1ca7d67. TEST FAILURE [ 2.770971] page size: 512 bytes [ 2.771502] OOB area size: 16 bytes [ 2.772073] sector size: 16 KiB [ 2.772247] INFO: trying to register non-static key. [ 2.772248] the code is fine but needs lockdep annotation. [ 2.772248] turning off the locking correctness validator. [ 2.772257] CPU: 1 PID: 96 Comm: kworker/u4:1 Not tainted 3.12.0-00181-g1ca7d67 #512 [ 2.772258] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 2.772297] Workqueue: events_unbound async_run_entry_fn [ 2.772301] 7828db3a 00000000 7f3cf968 78fa3bb2 799c824c 7f3cf9a0 78288490 79385c7d [ 2.772305] 79385cd7 79385cad 7f3d7308 00000000 00000011 4035a011 0000a785 7f3d6e20 [ 2.772309] 7f3d6e20 85d3e540 00000000 7f3cf9cc 78289117 00000000 00000001 00000000 [ 2.772309] Call Trace: [ 2.772323] [<7828db3a>] ? vprintk_emit+0x426/0x4a0 [ 2.772358] [<78fa3bb2>] dump_stack+0x48/0x60 [ 2.772361] [<78288490>] __lock_acquire.isra.26+0x7ea/0xcf2 [ 2.772364] [<78289117>] lock_acquire+0x71/0x9a [ 2.772378] [<785fcb04>] ? blk_throtl_bio+0x1c3/0x485 [ 2.772381] [<785fb6e5>] throtl_update_dispatch_stats+0x7c/0x153 [ 2.772383] [<785fcb04>] ? blk_throtl_bio+0x1c3/0x485 [ 2.772385] [<785fcb04>] blk_throtl_bio+0x1c3/0x485 [ 2.772388] [<7827b709>] ? sched_clock_local+0x17/0x106 [ 2.772390] [<7827b99b>] ? sched_clock_cpu+0x105/0x113 [ 2.772395] [<785eb0d2>] generic_make_request_checks+0x3bb/0x3d2 [ 2.772397] [<7827b99b>] ? sched_clock_cpu+0x105/0x113 [ 2.772400] [<785ec867>] generic_make_request+0xf/0xb5 [ 2.772402] [<785ec972>] submit_bio+0x65/0xd2 [ 2.772412] [<783141b9>] _submit_bh+0x226/0x243 [ 2.772414] [<783141e0>] submit_bh+0xa/0xc [ 2.772416] [<783151b5>] block_read_full_page+0x2aa/0x2c5 [ 2.772419] [<78317e51>] ? bio_dirty_fn+0x68/0x68 [ 2.772426] [<782bdbd4>] ? add_to_page_cache_locked+0xb4/0xe2 [ 2.772429] [<783180e7>] ? blkdev_write_begin+0x20/0x20 [ 2.772431] [<783180e7>] ? blkdev_write_begin+0x20/0x20 [ 2.772434] [<783180f6>] blkdev_readpage+0xf/0x11 [ 2.772439] [<782be73f>] do_read_cache_page+0x6e/0x11b [ 2.772442] [<782bf44d>] read_cache_page_async+0x19/0x1e [ 2.772444] [<783180e7>] ? blkdev_write_begin+0x20/0x20 [ 2.772446] [<782bf47e>] read_cache_page+0xb/0x12 [ 2.772448] [<785f6894>] read_dev_sector+0x26/0x61 [ 2.772450] [<785f72e2>] read_lba+0xae/0xf9 [ 2.772460] [<782e48b1>] ? kmem_cache_alloc+0xf9/0x12b [ 2.772462] [<785f7812>] efi_partition+0x17a/0x9c2 [ 2.772465] [<782c3a17>] ? __alloc_pages_nodemask+0xe3/0x61e [ 2.772472] [<7860a8fb>] ? string.isra.4+0x29/0x93 [ 2.772474] [<7860a8fb>] ? string.isra.4+0x29/0x93 [ 2.772477] [<7860b6a0>] ? vsnprintf+0x81/0x26f [ 2.772479] [<7860bb2d>] ? snprintf+0x15/0x17 [ 2.772481] [<785f69cb>] check_partition+0xe4/0x178 [ 2.772483] [<785f69cb>] ? check_partition+0xe4/0x178 [ 2.772485] [<785f661d>] rescan_partitions+0x89/0x267 [ 2.772487] [<783181db>] ? bdev_inode_switch_bdi+0xd2/0xe6 [ 2.772490] [<78318f92>] __blkdev_get+0x173/0x363 [ 2.772492] [<783191cd>] blkdev_get+0x4b/0x23d [ 2.772494] [<7831888b>] ? bdget+0xf8/0x105 [ 2.772513] [<788ac0ca>] ? put_device+0xf/0x11 [ 2.772515] [<785f4670>] add_disk+0x26b/0x3b5 [ 2.772521] [<788b41e4>] ? __pm_runtime_use_autosuspend+0x4a/0x4f [ 2.772529] [<789d0f5d>] sd_probe_async+0x111/0x198 [ 2.772532] [<78274a86>] async_run_entry_fn+0x59/0xff [ 2.772536] [<7826bc08>] process_one_work+0x1ef/0x349 [ 2.772542] [<7826bbaf>] ? process_one_work+0x196/0x349 [ 2.772545] [<7826c159>] worker_thread+0x1a3/0x274 [ 2.772547] [<7826bfb6>] ? rescuer_thread+0x233/0x233 [ 2.772549] [<78270769>] kthread+0x8a/0x8f [ 2.772552] [<78270000>] ? SyS_timer_create+0x264/0x341 [ 2.772558] [<78fb70fb>] ret_from_kernel_thread+0x1b/0x30 [ 2.772561] [<782706df>] ? __kthread_parkme+0x50/0x50 [ 2.825590] pages number: 262144 [ 2.826123] pages per sector: 32 [ 2.826635] bus width: 8 /kernel/i386-randconfig-j7-11082318/1ca7d67cf5d5a2aef26a8d9afd789006fa098347/dmesg-quantal-bens-2:20131110223103:i386-randconfig-j7-11082318:3.12.0-00181-g1ca7d67:512 /kernel/i386-randconfig-j7-11082318/1ca7d67cf5d5a2aef26a8d9afd789006fa098347/dmesg-quantal-lkp-tt02-10:20131110132230:i386-randconfig-j7-11082318:3.12.0-00181-g1ca7d67:512 /kernel/i386-randconfig-j7-11082318/1ca7d67cf5d5a2aef26a8d9afd789006fa098347/dmesg-quantal-stoakley-3:20131110223101:i386-randconfig-j7-11082318:3.12.0-00181-g1ca7d67:512 /kernel/i386-randconfig-j7-11082318/1ca7d67cf5d5a2aef26a8d9afd789006fa098347/dmesg-quantal-stoakley-5:20131110223100:i386-randconfig-j7-11082318:3.12.0-00181-g1ca7d67:512 /kernel/i386-randconfig-j7-11082318/1ca7d67cf5d5a2aef26a8d9afd789006fa098347/dmesg-quantal-waimea-5:20131111062708:i386-randconfig-j7-11082318:3.12.0-00181-g1ca7d67:512 /kernel/i386-randconfig-j7-11082318/1ca7d67cf5d5a2aef26a8d9afd789006fa098347/dmesg-quantal-xgwo-3:20131111062716:i386-randconfig-j7-11082318:3.12.0-00181-g1ca7d67:512 0:6:6 all_good:bad:all_bad boots REPEAT COUNT: 20 # /cc/wfg/mm-bisect/.repeat 1ca7d67cf5d5a2aef26a8d9afd789006fa098347 is the first bad commit commit 1ca7d67cf5d5a2aef26a8d9afd789006fa098347 Author: John Stultz Date: Mon Oct 7 15:51:59 2013 -0700 seqcount: Add lockdep functionality to seqcount/seqlock structures Currently seqlocks and seqcounts don't support lockdep. After running across a seqcount related deadlock in the timekeeping code, I used a less-refined and more focused variant of this patch to narrow down the cause of the issue. This is a first-pass attempt to properly enable lockdep functionality on seqlocks and seqcounts. Since seqcounts are used in the vdso gettimeofday code, I've provided non-lockdep accessors for those needs. I've also handled one case where there were nested seqlock writers and there may be more edge cases. Comments and feedback would be appreciated! Signed-off-by: John Stultz Signed-off-by: Peter Zijlstra Cc: Eric Dumazet Cc: Li Zefan Cc: Mathieu Desnoyers Cc: Steven Rostedt Cc: "David S. Miller" Cc: netdev@vger.kernel.org Link: http://lkml.kernel.org/r/1381186321-4906-3-git-send-email-john.stultz@linaro.org Signed-off-by: Ingo Molnar :040000 040000 cfee9d56dac9192e1ff45a0bb1dfb953c87798a8 c99b3921b61be2bac7de96bdc68fa4a3ecbe7ded M arch :040000 040000 9ded4e8cc971a768488ab0041962c1f2edc15927 9fb40a547f803cd36ccadb8f2c03311cbee021b5 M fs :040000 040000 715572039d89ec3c5a61ee96e2b8058291b39d0a 682f4023369ce622b66ffb6a7a3e0d7b478a6c51 M include :040000 040000 fddfb5e3c86bb930bdb979185b059904a469b919 8dd70520aebac4f7abaeaf40a8dfedbbee0029aa M mm bisect run success ls -a /kernel-tests/run-queue/kvm/i386-randconfig-j7-11082318/next:master:827da44c61419f29ae3be198c342e2147f1a10cb:bisect-mm 2013-11-10-22:31:21 827da44c61419f29ae3be198c342e2147f1a10cb reuse /kernel/i386-randconfig-j7-11082318/827da44c61419f29ae3be198c342e2147f1a10cb/vmlinuz-3.12.0-00180-g827da44 2013-11-10-22:31:22 detecting boot state 24 38 42 58 60 SUCCESS ls -a /kernel-tests/run-queue/kvm/i386-randconfig-j7-11082318/next:master:bad570d77024cba808126d68a2072f6f8ce64c27:bisect-mm TEST FAILURE [ 4.050095] e1000: Intel(R) PRO/1000 Network Driver - version 7.3.21-k8-NAPI [ 4.051208] e1000: Copyright (c) 1999-2006 Intel Corporation. [ 4.054765] sd 0:0:0:0: [sda] Write cache: enabled, read cache: enabled, supports DPO and FUA [ 4.061272] INFO: trying to register non-static key. [ 4.062036] the code is fine but needs lockdep annotation. [ 4.062036] turning off the locking correctness validator. [ 4.062036] CPU: 1 PID: 96 Comm: kworker/u4:1 Not tainted 3.12.0-next-20131108-10601-gbad570d #2 [ 4.062036] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 4.062036] Workqueue: events_unbound async_run_entry_fn [ 4.062036] 8088e744 00000000 7d3b1968 815c7cf2 8200c8b8 7d3b19a0 8088953e 819b7f4d [ 4.062036] 819b7fa7 819b7f7d 7d396508 00000000 00000011 50376011 0000a905 7d396010 [ 4.062036] 7d396010 85d3da70 00000000 7d3b19cc 8088a1c5 00000000 00000001 00000000 [ 4.062036] Call Trace: [ 4.062036] [<8088e744>] ? console_unlock+0x353/0x380 [ 4.062036] [<815c7cf2>] dump_stack+0x48/0x60 [ 4.062036] [<8088953e>] __lock_acquire.isra.26+0x7e3/0xceb [ 4.062036] [<8088a1c5>] lock_acquire+0x71/0x9a [ 4.062036] [<80c079aa>] ? blk_throtl_bio+0x1c3/0x485 [ 4.062036] [<80c0658b>] throtl_update_dispatch_stats+0x7c/0x153 [ 4.062036] [<80c079aa>] ? blk_throtl_bio+0x1c3/0x485 [ 4.062036] [<80c079aa>] blk_throtl_bio+0x1c3/0x485 [ 4.062036] [<8087c7f9>] ? sched_clock_local+0x17/0x106 [ 4.062036] [<8087ca8b>] ? sched_clock_cpu+0x105/0x113 [ 4.062036] [<80bf2fee>] generic_make_request_checks+0x3ca/0x3e1 [ 4.062036] [<8087ca8b>] ? sched_clock_cpu+0x105/0x113 [ 4.062036] [<80bf4613>] generic_make_request+0xf/0xb0 [ 4.062036] [<80bf4723>] submit_bio+0x6f/0xd8 [ 4.062036] [<80916695>] _submit_bh+0x228/0x245 [ 4.062036] [<809166bc>] submit_bh+0xa/0xc [ 4.062036] [<8091768e>] block_read_full_page+0x2a8/0x2c3 [ 4.062036] [<8091a555>] ? bio_dirty_fn+0x6f/0x6f [ 4.062036] [<808bed0c>] ? add_to_page_cache_locked+0xb4/0xe2 [ 4.062036] [<8091a7eb>] ? blkdev_write_begin+0x20/0x20 [ 4.062036] [<8091a7eb>] ? blkdev_write_begin+0x20/0x20 [ 4.062036] [<8091a7fa>] blkdev_readpage+0xf/0x11 [ 4.062036] [<808bf877>] do_read_cache_page+0x6e/0x11b [ 4.062036] [<808c0649>] read_cache_page_async+0x19/0x1e [ 4.062036] [<8091a7eb>] ? blkdev_write_begin+0x20/0x20 [ 4.062036] [<808c067a>] read_cache_page+0xb/0x12 [ 4.062036] [<80c0170d>] read_dev_sector+0x26/0x61 [ 4.062036] [<80c0215b>] read_lba+0xae/0xf9 [ 4.062036] [<808e60b6>] ? kmem_cache_alloc+0xf9/0x12b [ 4.062036] [<80c0268b>] efi_partition+0x17a/0x9c0 [ 4.062036] [<808c4c4f>] ? __alloc_pages_nodemask+0xe3/0x61e [ 4.062036] [<80c15849>] ? string.isra.4+0x29/0x93 [ 4.062036] [<80c15849>] ? string.isra.4+0x29/0x93 [ 4.062036] [<80c165e9>] ? vsnprintf+0x81/0x28b [ 4.062036] [<80c16ab2>] ? snprintf+0x15/0x17 [ 4.062036] [<80c01844>] check_partition+0xe4/0x178 [ 4.062036] [<80c01844>] ? check_partition+0xe4/0x178 [ 4.062036] [<80c01496>] rescan_partitions+0x89/0x267 [ 4.062036] [<8091a8df>] ? bdev_inode_switch_bdi+0xd2/0xe6 [ 4.062036] [<8091b696>] __blkdev_get+0x173/0x363 [ 4.062036] [<8091b8d1>] blkdev_get+0x4b/0x23d [ 4.062036] [<8091af8f>] ? bdget+0xf8/0x105 [ 4.062036] [<80ebc6c5>] ? put_device+0xf/0x11 [ 4.062036] [<80bff4c9>] add_disk+0x26b/0x3b5 [ 4.062036] [<80ec4599>] ? __pm_runtime_use_autosuspend+0x4a/0x4f [ 4.062036] [<80fe4d73>] sd_probe_async+0x111/0x198 [ 4.062036] [<80875b0a>] async_run_entry_fn+0x59/0xff [ 4.062036] [<8086cb54>] process_one_work+0x1ef/0x349 [ 4.062036] [<8086cafb>] ? process_one_work+0x196/0x349 [ 4.062036] [<8086d0a5>] worker_thread+0x1a3/0x274 [ 4.062036] [<8086cf02>] ? rescuer_thread+0x233/0x233 [ 4.062036] [<80871767>] kthread+0xa5/0xaa [ 4.062036] [<80870000>] ? maybe_kfree_parameter+0xc/0x3d [ 4.062036] [<815db6bb>] ret_from_kernel_thread+0x1b/0x30 [ 4.062036] [<808716c2>] ? __kthread_parkme+0x50/0x50 [ 4.118056] sda: unknown partition table [ 4.126079] sd 0:0:0:0: [sda] Attached SCSI disk [ 4.450315] e1000 0000:00:03.0 eth0: (PCI:33MHz:32-bit) 52:54:00:12:34:56 /kernel/i386-randconfig-j7-11082318/bad570d77024cba808126d68a2072f6f8ce64c27/dmesg-quantal-lkp-tt02-19:20131110092342:i386-randconfig-j7-11082318:3.12.0-next-20131108-10601-gbad570d:2 /kernel/i386-randconfig-j7-11082318/bad570d77024cba808126d68a2072f6f8ce64c27/dmesg-quantal-roam-7:20131109022732:i386-randconfig-j7-11082318:3.12.0-next-20131108-10601-gbad570d:2 /kernel/i386-randconfig-j7-11082318/bad570d77024cba808126d68a2072f6f8ce64c27/dmesg-quantal-roam-4:20131110183211:i386-randconfig-j7-11082318:3.12.0-next-20131108-10601-gbad570d:2 /kernel/i386-randconfig-j7-11082318/bad570d77024cba808126d68a2072f6f8ce64c27/dmesg-yocto-stoakley-4:20131109022928:i386-randconfig-j7-11082318:3.12.0-next-20131108-10601-gbad570d:2 /kernel/i386-randconfig-j7-11082318/bad570d77024cba808126d68a2072f6f8ce64c27/dmesg-yocto-inn-48:20131110183311:i386-randconfig-j7-11082318:3.12.0-next-20131108-10601-gbad570d:2 /kernel/i386-randconfig-j7-11082318/bad570d77024cba808126d68a2072f6f8ce64c27/dmesg-yocto-inn-41:20131109022959:i386-randconfig-j7-11082318:3.12.0-next-20131108-10601-gbad570d:2 /kernel/i386-randconfig-j7-11082318/bad570d77024cba808126d68a2072f6f8ce64c27/dmesg-yocto-lkp-tt02-18:20131108172158:i386-randconfig-j7-11082318:3.12.0-next-20131108-10601-gbad570d:2 /kernel/i386-randconfig-j7-11082318/bad570d77024cba808126d68a2072f6f8ce64c27/dmesg-yocto-lkp-st01-8:20131109102037:i386-randconfig-j7-11082318:3.12.0-next-20131108-10601-gbad570d:2 /kernel/i386-randconfig-j7-11082318/bad570d77024cba808126d68a2072f6f8ce64c27/dmesg-quantal-snb-45:20131110183210:i386-randconfig-j7-11082318:3.12.0-next-20131108-10601-gbad570d:2 /kernel/i386-randconfig-j7-11082318/bad570d77024cba808126d68a2072f6f8ce64c27/dmesg-quantal-inn-33:20131110183211:i386-randconfig-j7-11082318:3.12.0-next-20131108-10601-gbad570d:2 /kernel/i386-randconfig-j7-11082318/bad570d77024cba808126d68a2072f6f8ce64c27/dmesg-yocto-inn-6:20131110183320:i386-randconfig-j7-11082318:3.12.0-next-20131108-10601-gbad570d:2 /kernel/i386-randconfig-j7-11082318/bad570d77024cba808126d68a2072f6f8ce64c27/dmesg-yocto-inn-21:20131110183315:i386-randconfig-j7-11082318:3.12.0-next-20131108-10601-gbad570d:2 /kernel/i386-randconfig-j7-11082318/bad570d77024cba808126d68a2072f6f8ce64c27/dmesg-yocto-xps-4:20131109102139:i386-randconfig-j7-11082318:3.12.0-next-20131108-10601-gbad570d:2 /kernel/i386-randconfig-j7-11082318/bad570d77024cba808126d68a2072f6f8ce64c27/dmesg-yocto-snb-34:20131110183313:i386-randconfig-j7-11082318:3.12.0-next-20131108-10601-gbad570d:2 /kernel/i386-randconfig-j7-11082318/bad570d77024cba808126d68a2072f6f8ce64c27/dmesg-quantal-xps-7:20131109102643:i386-randconfig-j7-11082318:3.12.0-next-20131108-10601-gbad570d:2 /kernel/i386-randconfig-j7-11082318/bad570d77024cba808126d68a2072f6f8ce64c27/dmesg-quantal-bens-2:20131109021824:i386-randconfig-j7-11082318:3.12.0-next-20131108-10601-gbad570d:2 /kernel/i386-randconfig-j7-11082318/bad570d77024cba808126d68a2072f6f8ce64c27/dmesg-yocto-jaketown-42:20131110183329:i386-randconfig-j7-11082318:3.12.0-next-20131108-10601-gbad570d:2 /kernel/i386-randconfig-j7-11082318/bad570d77024cba808126d68a2072f6f8ce64c27/dmesg-yocto-jaketown-43:20131109023215:i386-randconfig-j7-11082318:3.12.0-next-20131108-10601-gbad570d:2 /kernel/i386-randconfig-j7-11082318/bad570d77024cba808126d68a2072f6f8ce64c27/dmesg-quantal-roam-34:20131110183210:i386-randconfig-j7-11082318:3.12.0-next-20131108-10601-gbad570d:2 0:19:19 all_good:bad:all_bad boots [detached HEAD 7b08330] Revert "seqcount: Add lockdep functionality to seqcount/seqlock structures" 7 files changed, 21 insertions(+), 90 deletions(-) ls -a /kernel-tests/run-queue/kvm/i386-randconfig-j7-11082318/next:master:7b0833043b88a3188ffd2d6ea4b72bafb04ba4bd:bisect-mm 2013-11-10-22:34:06 7b0833043b88a3188ffd2d6ea4b72bafb04ba4bd compiling 2013-11-10-22:43:07 detecting boot state 3.12.0-next-20131108-00001-g7b08330 7 27 37 47 52. 53. 54 58 59.......... 60 SUCCESS ========= upstream ========= Fetching linus ls -a /kernel-tests/run-queue/kvm/i386-randconfig-j7-11082318/next:master:6c86ae2928f9e4cbf0d5844f5fcfd549e3450b8c:bisect-mm 2013-11-10-22:54:19 6c86ae2928f9e4cbf0d5844f5fcfd549e3450b8c compiling 2013-11-10-22:59:45 detecting boot state 3.12.0-01915-g6c86ae2 15 44 49 55 58 59. 60 SUCCESS ========= linux-next ========= Fetching next ls -a /kernel-tests/run-queue/kvm/i386-randconfig-j7-11082318/next:master:bad570d77024cba808126d68a2072f6f8ce64c27:bisect-mm TEST FAILURE [ 4.050095] e1000: Intel(R) PRO/1000 Network Driver - version 7.3.21-k8-NAPI [ 4.051208] e1000: Copyright (c) 1999-2006 Intel Corporation. [ 4.054765] sd 0:0:0:0: [sda] Write cache: enabled, read cache: enabled, supports DPO and FUA [ 4.061272] INFO: trying to register non-static key. [ 4.062036] the code is fine but needs lockdep annotation. [ 4.062036] turning off the locking correctness validator. [ 4.062036] CPU: 1 PID: 96 Comm: kworker/u4:1 Not tainted 3.12.0-next-20131108-10601-gbad570d #2 [ 4.062036] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 4.062036] Workqueue: events_unbound async_run_entry_fn [ 4.062036] 8088e744 00000000 7d3b1968 815c7cf2 8200c8b8 7d3b19a0 8088953e 819b7f4d [ 4.062036] 819b7fa7 819b7f7d 7d396508 00000000 00000011 50376011 0000a905 7d396010 [ 4.062036] 7d396010 85d3da70 00000000 7d3b19cc 8088a1c5 00000000 00000001 00000000 [ 4.062036] Call Trace: [ 4.062036] [<8088e744>] ? console_unlock+0x353/0x380 [ 4.062036] [<815c7cf2>] dump_stack+0x48/0x60 [ 4.062036] [<8088953e>] __lock_acquire.isra.26+0x7e3/0xceb [ 4.062036] [<8088a1c5>] lock_acquire+0x71/0x9a [ 4.062036] [<80c079aa>] ? blk_throtl_bio+0x1c3/0x485 [ 4.062036] [<80c0658b>] throtl_update_dispatch_stats+0x7c/0x153 [ 4.062036] [<80c079aa>] ? blk_throtl_bio+0x1c3/0x485 [ 4.062036] [<80c079aa>] blk_throtl_bio+0x1c3/0x485 [ 4.062036] [<8087c7f9>] ? sched_clock_local+0x17/0x106 [ 4.062036] [<8087ca8b>] ? sched_clock_cpu+0x105/0x113 [ 4.062036] [<80bf2fee>] generic_make_request_checks+0x3ca/0x3e1 [ 4.062036] [<8087ca8b>] ? sched_clock_cpu+0x105/0x113 [ 4.062036] [<80bf4613>] generic_make_request+0xf/0xb0 [ 4.062036] [<80bf4723>] submit_bio+0x6f/0xd8 [ 4.062036] [<80916695>] _submit_bh+0x228/0x245 [ 4.062036] [<809166bc>] submit_bh+0xa/0xc [ 4.062036] [<8091768e>] block_read_full_page+0x2a8/0x2c3 [ 4.062036] [<8091a555>] ? bio_dirty_fn+0x6f/0x6f [ 4.062036] [<808bed0c>] ? add_to_page_cache_locked+0xb4/0xe2 [ 4.062036] [<8091a7eb>] ? blkdev_write_begin+0x20/0x20 [ 4.062036] [<8091a7eb>] ? blkdev_write_begin+0x20/0x20 [ 4.062036] [<8091a7fa>] blkdev_readpage+0xf/0x11 [ 4.062036] [<808bf877>] do_read_cache_page+0x6e/0x11b [ 4.062036] [<808c0649>] read_cache_page_async+0x19/0x1e [ 4.062036] [<8091a7eb>] ? blkdev_write_begin+0x20/0x20 [ 4.062036] [<808c067a>] read_cache_page+0xb/0x12 [ 4.062036] [<80c0170d>] read_dev_sector+0x26/0x61 [ 4.062036] [<80c0215b>] read_lba+0xae/0xf9 [ 4.062036] [<808e60b6>] ? kmem_cache_alloc+0xf9/0x12b [ 4.062036] [<80c0268b>] efi_partition+0x17a/0x9c0 [ 4.062036] [<808c4c4f>] ? __alloc_pages_nodemask+0xe3/0x61e [ 4.062036] [<80c15849>] ? string.isra.4+0x29/0x93 [ 4.062036] [<80c15849>] ? string.isra.4+0x29/0x93 [ 4.062036] [<80c165e9>] ? vsnprintf+0x81/0x28b [ 4.062036] [<80c16ab2>] ? snprintf+0x15/0x17 [ 4.062036] [<80c01844>] check_partition+0xe4/0x178 [ 4.062036] [<80c01844>] ? check_partition+0xe4/0x178 [ 4.062036] [<80c01496>] rescan_partitions+0x89/0x267 [ 4.062036] [<8091a8df>] ? bdev_inode_switch_bdi+0xd2/0xe6 [ 4.062036] [<8091b696>] __blkdev_get+0x173/0x363 [ 4.062036] [<8091b8d1>] blkdev_get+0x4b/0x23d [ 4.062036] [<8091af8f>] ? bdget+0xf8/0x105 [ 4.062036] [<80ebc6c5>] ? put_device+0xf/0x11 [ 4.062036] [<80bff4c9>] add_disk+0x26b/0x3b5 [ 4.062036] [<80ec4599>] ? __pm_runtime_use_autosuspend+0x4a/0x4f [ 4.062036] [<80fe4d73>] sd_probe_async+0x111/0x198 [ 4.062036] [<80875b0a>] async_run_entry_fn+0x59/0xff [ 4.062036] [<8086cb54>] process_one_work+0x1ef/0x349 [ 4.062036] [<8086cafb>] ? process_one_work+0x196/0x349 [ 4.062036] [<8086d0a5>] worker_thread+0x1a3/0x274 [ 4.062036] [<8086cf02>] ? rescuer_thread+0x233/0x233 [ 4.062036] [<80871767>] kthread+0xa5/0xaa [ 4.062036] [<80870000>] ? maybe_kfree_parameter+0xc/0x3d [ 4.062036] [<815db6bb>] ret_from_kernel_thread+0x1b/0x30 [ 4.062036] [<808716c2>] ? __kthread_parkme+0x50/0x50 [ 4.118056] sda: unknown partition table [ 4.126079] sd 0:0:0:0: [sda] Attached SCSI disk [ 4.450315] e1000 0000:00:03.0 eth0: (PCI:33MHz:32-bit) 52:54:00:12:34:56 /kernel/i386-randconfig-j7-11082318/bad570d77024cba808126d68a2072f6f8ce64c27/dmesg-quantal-lkp-tt02-19:20131110092342:i386-randconfig-j7-11082318:3.12.0-next-20131108-10601-gbad570d:2 /kernel/i386-randconfig-j7-11082318/bad570d77024cba808126d68a2072f6f8ce64c27/dmesg-quantal-roam-7:20131109022732:i386-randconfig-j7-11082318:3.12.0-next-20131108-10601-gbad570d:2 /kernel/i386-randconfig-j7-11082318/bad570d77024cba808126d68a2072f6f8ce64c27/dmesg-quantal-roam-4:20131110183211:i386-randconfig-j7-11082318:3.12.0-next-20131108-10601-gbad570d:2 /kernel/i386-randconfig-j7-11082318/bad570d77024cba808126d68a2072f6f8ce64c27/dmesg-yocto-stoakley-4:20131109022928:i386-randconfig-j7-11082318:3.12.0-next-20131108-10601-gbad570d:2 /kernel/i386-randconfig-j7-11082318/bad570d77024cba808126d68a2072f6f8ce64c27/dmesg-yocto-inn-48:20131110183311:i386-randconfig-j7-11082318:3.12.0-next-20131108-10601-gbad570d:2 /kernel/i386-randconfig-j7-11082318/bad570d77024cba808126d68a2072f6f8ce64c27/dmesg-yocto-inn-41:20131109022959:i386-randconfig-j7-11082318:3.12.0-next-20131108-10601-gbad570d:2 /kernel/i386-randconfig-j7-11082318/bad570d77024cba808126d68a2072f6f8ce64c27/dmesg-yocto-lkp-tt02-18:20131108172158:i386-randconfig-j7-11082318:3.12.0-next-20131108-10601-gbad570d:2 /kernel/i386-randconfig-j7-11082318/bad570d77024cba808126d68a2072f6f8ce64c27/dmesg-yocto-lkp-st01-8:20131109102037:i386-randconfig-j7-11082318:3.12.0-next-20131108-10601-gbad570d:2 /kernel/i386-randconfig-j7-11082318/bad570d77024cba808126d68a2072f6f8ce64c27/dmesg-quantal-snb-45:20131110183210:i386-randconfig-j7-11082318:3.12.0-next-20131108-10601-gbad570d:2 /kernel/i386-randconfig-j7-11082318/bad570d77024cba808126d68a2072f6f8ce64c27/dmesg-quantal-inn-33:20131110183211:i386-randconfig-j7-11082318:3.12.0-next-20131108-10601-gbad570d:2 /kernel/i386-randconfig-j7-11082318/bad570d77024cba808126d68a2072f6f8ce64c27/dmesg-yocto-inn-6:20131110183320:i386-randconfig-j7-11082318:3.12.0-next-20131108-10601-gbad570d:2 /kernel/i386-randconfig-j7-11082318/bad570d77024cba808126d68a2072f6f8ce64c27/dmesg-yocto-inn-21:20131110183315:i386-randconfig-j7-11082318:3.12.0-next-20131108-10601-gbad570d:2 /kernel/i386-randconfig-j7-11082318/bad570d77024cba808126d68a2072f6f8ce64c27/dmesg-yocto-xps-4:20131109102139:i386-randconfig-j7-11082318:3.12.0-next-20131108-10601-gbad570d:2 /kernel/i386-randconfig-j7-11082318/bad570d77024cba808126d68a2072f6f8ce64c27/dmesg-yocto-snb-34:20131110183313:i386-randconfig-j7-11082318:3.12.0-next-20131108-10601-gbad570d:2 /kernel/i386-randconfig-j7-11082318/bad570d77024cba808126d68a2072f6f8ce64c27/dmesg-quantal-xps-7:20131109102643:i386-randconfig-j7-11082318:3.12.0-next-20131108-10601-gbad570d:2 /kernel/i386-randconfig-j7-11082318/bad570d77024cba808126d68a2072f6f8ce64c27/dmesg-quantal-bens-2:20131109021824:i386-randconfig-j7-11082318:3.12.0-next-20131108-10601-gbad570d:2 /kernel/i386-randconfig-j7-11082318/bad570d77024cba808126d68a2072f6f8ce64c27/dmesg-yocto-jaketown-42:20131110183329:i386-randconfig-j7-11082318:3.12.0-next-20131108-10601-gbad570d:2 /kernel/i386-randconfig-j7-11082318/bad570d77024cba808126d68a2072f6f8ce64c27/dmesg-yocto-jaketown-43:20131109023215:i386-randconfig-j7-11082318:3.12.0-next-20131108-10601-gbad570d:2 /kernel/i386-randconfig-j7-11082318/bad570d77024cba808126d68a2072f6f8ce64c27/dmesg-quantal-roam-34:20131110183210:i386-randconfig-j7-11082318:3.12.0-next-20131108-10601-gbad570d:2 0:19:19 all_good:bad:all_bad boots