HEAD is now at 8153a6b... 0day head guard for 'devel-hourly-2014082810' git checkout 52addcf9d6669fa439387610bc65c92fa0980cef ls -a /kbuild-tests/run-queue/kvm/x86_64-randconfig-s1-08281038/linux-devel:devel-hourly-2014082810:52addcf9d6669fa439387610bc65c92fa0980cef:bisect-linux-8 2014-08-28 10:46:04 52addcf9d6669fa439387610bc65c92fa0980cef compiling Queued build task to /kbuild-tests/build-queue/x86_64-randconfig-s1-08281038-52addcf9d6669fa439387610bc65c92fa0980cef Check for kernel in /kernel/x86_64-randconfig-s1-08281038/52addcf9d6669fa439387610bc65c92fa0980cef waiting for completion of /kbuild-tests/build-queue/x86_64-randconfig-s1-08281038-52addcf9d6669fa439387610bc65c92fa0980cef waiting for completion of /kbuild-tests/build-queue/lkp-hsx01-consumer/x86_64-randconfig-s1-08281038-52addcf9d6669fa439387610bc65c92fa0980cef kernel: /kernel/x86_64-randconfig-s1-08281038/52addcf9d6669fa439387610bc65c92fa0980cef/vmlinuz-3.17.0-rc2 2014-08-28 10:49:04 detecting boot state 25 SUCCESS bisect: good commit 52addcf9d6669fa439387610bc65c92fa0980cef git bisect start 8153a6bbcc340b292248b66a6db89b991fe23995 52addcf9d6669fa439387610bc65c92fa0980cef -- /c/kernel-tests/linear-bisect: ["-b", "8153a6bbcc340b292248b66a6db89b991fe23995", "-g", "52addcf9d6669fa439387610bc65c92fa0980cef", "/c/kernel-tests/bisect-test-boot-failure.sh", "/c/boot-bisect/linux-8/obj-bisect"] Bisecting: 2206 revisions left to test after this (roughly 12 steps) [fa5b2a0d6039cf49777a5dc734820b5b4935d569] Merge 'spi/fix/dw' into devel-hourly-2014082810 running /c/kernel-tests/bisect-test-boot-failure.sh /c/boot-bisect/linux-8/obj-bisect ls -a /kbuild-tests/run-queue/kvm/x86_64-randconfig-s1-08281038/linux-devel:devel-hourly-2014082810:fa5b2a0d6039cf49777a5dc734820b5b4935d569:bisect-linux-8 2014-08-28 10:49:35 fa5b2a0d6039cf49777a5dc734820b5b4935d569 compiling Queued build task to /kbuild-tests/build-queue/x86_64-randconfig-s1-08281038-fa5b2a0d6039cf49777a5dc734820b5b4935d569 Check for kernel in /kernel/x86_64-randconfig-s1-08281038/fa5b2a0d6039cf49777a5dc734820b5b4935d569 waiting for completion of /kbuild-tests/build-queue/x86_64-randconfig-s1-08281038-fa5b2a0d6039cf49777a5dc734820b5b4935d569 kernel: /kernel/x86_64-randconfig-s1-08281038/fa5b2a0d6039cf49777a5dc734820b5b4935d569/vmlinuz-3.17.0-rc2-wl-ath-01508-gfa5b2a0 2014-08-28 10:51:35 detecting boot state .. 2 22. 24 25 SUCCESS Bisecting: 698 revisions left to test after this (roughly 10 steps) [bab6cbcfc9ff6b0abb1506a6c42e93765f3c5162] Merge 'arm-soc/for-next' into devel-hourly-2014082810 running /c/kernel-tests/bisect-test-boot-failure.sh /c/boot-bisect/linux-8/obj-bisect ls -a /kbuild-tests/run-queue/kvm/x86_64-randconfig-s1-08281038/linux-devel:devel-hourly-2014082810:bab6cbcfc9ff6b0abb1506a6c42e93765f3c5162:bisect-linux-8 2014-08-28 10:55:06 bab6cbcfc9ff6b0abb1506a6c42e93765f3c5162 compiling Queued build task to /kbuild-tests/build-queue/x86_64-randconfig-s1-08281038-bab6cbcfc9ff6b0abb1506a6c42e93765f3c5162 Check for kernel in /kernel/x86_64-randconfig-s1-08281038/bab6cbcfc9ff6b0abb1506a6c42e93765f3c5162 waiting for completion of /kbuild-tests/build-queue/x86_64-randconfig-s1-08281038-bab6cbcfc9ff6b0abb1506a6c42e93765f3c5162 waiting for completion of /kbuild-tests/build-queue/jaketown-consumer/x86_64-randconfig-s1-08281038-bab6cbcfc9ff6b0abb1506a6c42e93765f3c5162 kernel: /kernel/x86_64-randconfig-s1-08281038/bab6cbcfc9ff6b0abb1506a6c42e93765f3c5162/vmlinuz-3.17.0-rc2-wl-ath-01808-gbab6cbc 2014-08-28 11:03:06 detecting boot state .. 11 TEST FAILURE [ 19.174146] Testing event system ocfs2: [ 40.083344] NMI watchdog: BUG: soft lockup - CPU#1 stuck for 23s! [torture_slam_kt:115] [ 40.083344] CPU: 1 PID: 115 Comm: torture_slam_kt Not tainted 3.17.0-rc2-wl-ath-01808-gbab6cbc #1 [ 40.083344] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 40.083344] task: ffff88000b35d510 ti: ffff88000b22c000 task.ti: ffff88000b22c000 [ 40.083344] RIP: 0010:[] [] __might_sleep+0x1b/0x1a0 [ 40.083344] RSP: 0000:ffff88000b22fe10 EFLAGS: 00000202 [ 40.083344] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 00000000000002a0 [ 40.083344] RDX: 0000000000000000 RSI: 0000000000000276 RDI: ffffffff82db3e68 [ 40.083344] RBP: ffff88000b22fe28 R08: 00000000000008d8 R09: 0000000000000000 [ 40.083344] R10: 0000000000000000 R11: 0000000000000000 R12: ffff88000b22fdf0 [ 40.083344] R13: ffff88000b22fe10 R14: ffffffff82414bdf R15: ffff88000b22fd80 [ 40.083344] FS: 0000000000000000(0000) GS:ffff880012400000(0000) knlGS:0000000000000000 [ 40.083344] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 40.083344] CR2: 0000000000000000 CR3: 0000000003012000 CR4: 00000000000406e0 [ 40.083344] Stack: [ 40.083344] ffff88000b22fe28 ffffffff812009eb ffff880009704a50 ffff88000b22fe48 [ 40.083344] ffffffff812012f3 0000006300000000 ffff880011735ac0 ffff88000b22ff48 [ 40.083344] ffffffff81105160 0000000000000000 ffff88000b35d510 0000000000000000 [ 40.083344] Call Trace: [ 40.083344] [] ? stutter_wait+0x9b/0x130 [ 40.083344] [] torture_slam_kthread+0xe3/0x190 [ 40.083344] [] kthread+0x130/0x160 [ 40.083344] [] ? __kthread_unpark+0xa0/0xa0 [ 40.083344] [] ret_from_fork+0x7c/0xb0 [ 40.083344] [] ? __kthread_unpark+0xa0/0xa0 [ 40.083344] Code: a4 02 01 5d c3 0f 1f 00 5b b8 01 00 00 00 5d c3 0f 1f 44 00 00 65 8b 04 25 e0 b8 00 00 55 25 ff ff df 7f 48 83 05 b5 76 a4 02 01 <39> c2 48 89 e5 0f 84 32 01 00 00 83 3d 07 ed 60 02 01 74 11 48 [ 40.083344] Kernel panic - not syncing: softlockup: hung tasks [ 40.083344] CPU: 1 PID: 115 Comm: torture_slam_kt Tainted: G L 3.17.0-rc2-wl-ath-01808-gbab6cbc #1 [ 40.083344] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 40.083344] 000000000000000e ffff880012403df8 ffffffff824068c4 ffffffff82da4173 [ 40.083344] ffff880012403e70 ffffffff823fe706 0000000000000008 ffff880012403e80 [ 40.083344] ffff880012403e20 0000000000000001 0000000000000000 ffffffff81150543 [ 40.083344] Call Trace: [ 40.083344] [] dump_stack+0x85/0xba [ 40.083344] [] panic+0x110/0x300 [ 40.083344] [] ? console_unlock+0x373/0x680 [ 40.083344] [] watchdog_timer_fn+0x283/0x2e0 [ 40.083344] [] hrtimer_run_queues+0x159/0x470 [ 40.083344] [] ? watchdog+0x40/0x40 [ 40.083344] [] update_process_times+0x42/0xc0 [ 40.083344] [] tick_periodic+0x38/0x130 [ 40.083344] [] tick_handle_periodic+0x2e/0xb0 [ 40.083344] [] ? torture_stutter+0x1d0/0x1d0 [ 40.083344] [] local_apic_timer_interrupt+0x3f/0x80 [ 40.083344] [] smp_apic_timer_interrupt+0x5f/0x80 [ 40.083344] [] apic_timer_interrupt+0x6d/0x80 [ 40.083344] [] ? __might_sleep+0x1b/0x1a0 [ 40.083344] [] ? stutter_wait+0x9b/0x130 [ 40.083344] [] torture_slam_kthread+0xe3/0x190 [ 40.083344] [] kthread+0x130/0x160 [ 40.083344] [] ? __kthread_unpark+0xa0/0xa0 [ 40.083344] [] ret_from_fork+0x7c/0xb0 [ 40.083344] [] ? __kthread_unpark+0xa0/0xa0 [ 40.083344] Kernel Offset: 0x0 from 0xffffffff81000000 (relocation range: 0xffffffff80000000-0xffffffff9fffffff) Elapsed time: 45 /kernel/x86_64-randconfig-s1-08281038/bab6cbcfc9ff6b0abb1506a6c42e93765f3c5162/dmesg-quantal-kbuild-10:20140828110238:x86_64-randconfig-s1-08281038:3.17.0-rc2-wl-ath-01808-gbab6cbc:1 /kernel/x86_64-randconfig-s1-08281038/bab6cbcfc9ff6b0abb1506a6c42e93765f3c5162/dmesg-quantal-kbuild-12:20140828110241:x86_64-randconfig-s1-08281038:3.17.0-rc2-wl-ath-01808-gbab6cbc:1 /kernel/x86_64-randconfig-s1-08281038/bab6cbcfc9ff6b0abb1506a6c42e93765f3c5162/dmesg-quantal-kbuild-15:20140828110234:x86_64-randconfig-s1-08281038:3.17.0-rc2-wl-ath-01808-gbab6cbc:1 /kernel/x86_64-randconfig-s1-08281038/bab6cbcfc9ff6b0abb1506a6c42e93765f3c5162/dmesg-quantal-kbuild-23:20140828110237:x86_64-randconfig-s1-08281038:3.17.0-rc2-wl-ath-01808-gbab6cbc:1 /kernel/x86_64-randconfig-s1-08281038/bab6cbcfc9ff6b0abb1506a6c42e93765f3c5162/dmesg-quantal-kbuild-28:20140828110238:x86_64-randconfig-s1-08281038:3.17.0-rc2-wl-ath-01808-gbab6cbc:1 /kernel/x86_64-randconfig-s1-08281038/bab6cbcfc9ff6b0abb1506a6c42e93765f3c5162/dmesg-quantal-kbuild-29:20140828110241:x86_64-randconfig-s1-08281038:3.17.0-rc2-wl-ath-01808-gbab6cbc:1 /kernel/x86_64-randconfig-s1-08281038/bab6cbcfc9ff6b0abb1506a6c42e93765f3c5162/dmesg-quantal-kbuild-6:20140828110240:x86_64-randconfig-s1-08281038:3.17.0-rc2-wl-ath-01808-gbab6cbc:1 /kernel/x86_64-randconfig-s1-08281038/bab6cbcfc9ff6b0abb1506a6c42e93765f3c5162/dmesg-quantal-kbuild-7:20140828110233:x86_64-randconfig-s1-08281038:3.17.0-rc2-wl-ath-01808-gbab6cbc:1 /kernel/x86_64-randconfig-s1-08281038/bab6cbcfc9ff6b0abb1506a6c42e93765f3c5162/dmesg-quantal-kbuild-31:20140828110242:x86_64-randconfig-s1-08281038:3.17.0-rc2-wl-ath-01808-gbab6cbc:1 /kernel/x86_64-randconfig-s1-08281038/bab6cbcfc9ff6b0abb1506a6c42e93765f3c5162/dmesg-quantal-kbuild-5:20140828110243:x86_64-randconfig-s1-08281038:3.17.0-rc2-wl-ath-01808-gbab6cbc:1 /kernel/x86_64-randconfig-s1-08281038/bab6cbcfc9ff6b0abb1506a6c42e93765f3c5162/dmesg-quantal-kbuild-9:20140828110248:x86_64-randconfig-s1-08281038:3.17.0-rc2-wl-ath-01808-gbab6cbc:1 /kernel/x86_64-randconfig-s1-08281038/bab6cbcfc9ff6b0abb1506a6c42e93765f3c5162/dmesg-quantal-kbuild-1:20140828110256:x86_64-randconfig-s1-08281038:3.17.0-rc2-wl-ath-01808-gbab6cbc:1 /kernel/x86_64-randconfig-s1-08281038/bab6cbcfc9ff6b0abb1506a6c42e93765f3c5162/dmesg-quantal-kbuild-27:20140828110255:x86_64-randconfig-s1-08281038:3.17.0-rc2-wl-ath-01808-gbab6cbc:1 4:13:20 all_good:bad:all_bad boots 2014-08-28 11:04:37 REPEAT COUNT: 28 # /c/boot-bisect/linux-8/obj-bisect/.repeat Bisecting: 300 revisions left to test after this (roughly 9 steps) [61ca93aaede4e63c82b1ce60cddab0f922290115] Merge 'kvmarm/queue' into devel-hourly-2014082810 running /c/kernel-tests/bisect-test-boot-failure.sh /c/boot-bisect/linux-8/obj-bisect ls -a /kbuild-tests/run-queue/kvm/x86_64-randconfig-s1-08281038/linux-devel:devel-hourly-2014082810:61ca93aaede4e63c82b1ce60cddab0f922290115:bisect-linux-8 2014-08-28 11:04:38 61ca93aaede4e63c82b1ce60cddab0f922290115 compiling Queued build task to /kbuild-tests/build-queue/x86_64-randconfig-s1-08281038-61ca93aaede4e63c82b1ce60cddab0f922290115 Check for kernel in /kernel/x86_64-randconfig-s1-08281038/61ca93aaede4e63c82b1ce60cddab0f922290115 waiting for completion of /kbuild-tests/build-queue/x86_64-randconfig-s1-08281038-61ca93aaede4e63c82b1ce60cddab0f922290115 kernel: /kernel/x86_64-randconfig-s1-08281038/61ca93aaede4e63c82b1ce60cddab0f922290115/vmlinuz-3.17.0-rc2-wl-ath-01599-g61ca93a 2014-08-28 11:06:38 detecting boot state .. 2. 21 28 SUCCESS Bisecting: 209 revisions left to test after this (roughly 8 steps) [5cde56d94f0761101b235d1c88c674034bdd101a] Merge 'netdev-next/master' into devel-hourly-2014082810 running /c/kernel-tests/bisect-test-boot-failure.sh /c/boot-bisect/linux-8/obj-bisect ls -a /kbuild-tests/run-queue/kvm/x86_64-randconfig-s1-08281038/linux-devel:devel-hourly-2014082810:5cde56d94f0761101b235d1c88c674034bdd101a:bisect-linux-8 2014-08-28 11:09:39 5cde56d94f0761101b235d1c88c674034bdd101a compiling Queued build task to /kbuild-tests/build-queue/x86_64-randconfig-s1-08281038-5cde56d94f0761101b235d1c88c674034bdd101a Check for kernel in /kernel/x86_64-randconfig-s1-08281038/5cde56d94f0761101b235d1c88c674034bdd101a waiting for completion of /kbuild-tests/build-queue/x86_64-randconfig-s1-08281038-5cde56d94f0761101b235d1c88c674034bdd101a waiting for completion of /kbuild-tests/build-queue/jaketown-consumer/x86_64-randconfig-s1-08281038-5cde56d94f0761101b235d1c88c674034bdd101a kernel: /kernel/x86_64-randconfig-s1-08281038/5cde56d94f0761101b235d1c88c674034bdd101a/vmlinuz-3.17.0-rc2-wl-ath-01625-g5cde56d9 2014-08-28 11:17:39 detecting boot state ...... 12 21 24. 28 SUCCESS Bisecting: 183 revisions left to test after this (roughly 8 steps) [dd7ed2643b17336d0103ddda2c385b59812a40b8] Merge 'hid/for-3.18/picolcd' into devel-hourly-2014082810 running /c/kernel-tests/bisect-test-boot-failure.sh /c/boot-bisect/linux-8/obj-bisect ls -a /kbuild-tests/run-queue/kvm/x86_64-randconfig-s1-08281038/linux-devel:devel-hourly-2014082810:dd7ed2643b17336d0103ddda2c385b59812a40b8:bisect-linux-8 2014-08-28 11:23:09 dd7ed2643b17336d0103ddda2c385b59812a40b8 compiling Queued build task to /kbuild-tests/build-queue/x86_64-randconfig-s1-08281038-dd7ed2643b17336d0103ddda2c385b59812a40b8 Check for kernel in /kernel/x86_64-randconfig-s1-08281038/dd7ed2643b17336d0103ddda2c385b59812a40b8 waiting for completion of /kbuild-tests/build-queue/x86_64-randconfig-s1-08281038-dd7ed2643b17336d0103ddda2c385b59812a40b8 kernel: /kernel/x86_64-randconfig-s1-08281038/dd7ed2643b17336d0103ddda2c385b59812a40b8/vmlinuz-3.17.0-rc2-wl-ath-01630-gdd7ed26 2014-08-28 11:25:10 detecting boot state . 5 TEST FAILURE [ 10.791526] Testing event oom_score_adj_update: [ 32.119515] NMI watchdog: BUG: soft lockup - CPU#1 stuck for 22s! [torture_slam_kt:45] [ 32.119515] CPU: 1 PID: 45 Comm: torture_slam_kt Not tainted 3.17.0-rc2-wl-ath-01630-gdd7ed26 #4 [ 32.119515] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 32.119515] task: ffff88000b2d0a50 ti: ffff88000b2d4000 task.ti: ffff88000b2d4000 [ 32.119515] RIP: 0010:[] [] __might_sleep+0xe/0x1a0 [ 32.119515] RSP: 0000:ffff88000b2d7e10 EFLAGS: 00000206 [ 32.119515] RAX: 0000000080000000 RBX: 0000000000000000 RCX: 00000000000002a0 [ 32.119515] RDX: 0000000000000000 RSI: 0000000000000276 RDI: ffffffff82db3e68 [ 32.119515] RBP: ffff88000b2d7e28 R08: 00000000000008b2 R09: 0000000000000000 [ 32.119515] R10: 0000000000000000 R11: 0000000000000000 R12: ffff88000b2d7df0 [ 32.119515] R13: ffff88000b2d7e10 R14: ffffffff82414bdf R15: ffff88000b2d7d80 [ 32.119515] FS: 0000000000000000(0000) GS:ffff880012400000(0000) knlGS:0000000000000000 [ 32.119515] CS: 0010 DS: 0000 ES: 0000 CR0: 000000008005003b [ 32.119515] CR2: 0000000000000000 CR3: 0000000003012000 CR4: 00000000000006e0 [ 32.119515] Stack: [ 32.119515] ffff88000b2d7e28 ffffffff812009eb ffff88000a5bd510 ffff88000b2d7e48 [ 32.119515] ffffffff812012f3 0000006300000000 ffff880010e933c0 ffff88000b2d7f48 [ 32.119515] ffffffff81105160 0000000000000000 ffff88000b2d0a50 0000000000000000 [ 32.119515] Call Trace: [ 32.119515] [] ? stutter_wait+0x9b/0x130 [ 32.119515] [] torture_slam_kthread+0xe3/0x190 [ 32.119515] [] kthread+0x130/0x160 [ 32.119515] [] ? __kthread_unpark+0xa0/0xa0 [ 32.119515] [] ret_from_fork+0x7c/0xb0 [ 32.119515] [] ? __kthread_unpark+0xa0/0xa0 [ 32.119515] Code: 45 41 82 72 10 5b 31 c0 48 83 05 dd 75 a4 02 01 5d c3 0f 1f 00 5b b8 01 00 00 00 5d c3 0f 1f 44 00 00 65 8b 04 25 e0 b8 00 00 55 <25> ff ff df 7f 48 83 05 b5 76 a4 02 01 39 c2 48 89 e5 0f 84 32 [ 32.119515] Kernel panic - not syncing: softlockup: hung tasks [ 32.119515] CPU: 1 PID: 45 Comm: torture_slam_kt Tainted: G L 3.17.0-rc2-wl-ath-01630-gdd7ed26 #4 [ 32.119515] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 32.119515] 0000000000000007 ffff880012403df8 ffffffff824068c4 ffffffff82da4173 [ 32.119515] ffff880012403e70 ffffffff823fe706 0000000000000008 ffff880012403e80 [ 32.119515] ffff880012403e20 0000000000000001 0000000000000000 ffffffff81150543 [ 32.119515] Call Trace: [ 32.119515] [] dump_stack+0x85/0xba [ 32.119515] [] panic+0x110/0x300 [ 32.119515] [] ? console_unlock+0x373/0x680 [ 32.119515] [] watchdog_timer_fn+0x283/0x2e0 [ 32.119515] [] hrtimer_run_queues+0x159/0x470 [ 32.119515] [] ? watchdog+0x40/0x40 [ 32.119515] [] update_process_times+0x42/0xc0 [ 32.119515] [] tick_periodic+0x38/0x130 [ 32.119515] [] tick_handle_periodic+0x2e/0xb0 [ 32.119515] [] ? torture_stutter+0x1d0/0x1d0 [ 32.119515] [] local_apic_timer_interrupt+0x3f/0x80 [ 32.119515] [] smp_apic_timer_interrupt+0x5f/0x80 [ 32.119515] [] apic_timer_interrupt+0x6d/0x80 [ 32.119515] [] ? __might_sleep+0xe/0x1a0 [ 32.119515] [] ? stutter_wait+0x9b/0x130 [ 32.119515] [] torture_slam_kthread+0xe3/0x190 [ 32.119515] [] kthread+0x130/0x160 [ 32.119515] [] ? __kthread_unpark+0xa0/0xa0 [ 32.119515] [] ret_from_fork+0x7c/0xb0 [ 32.119515] [] ? __kthread_unpark+0xa0/0xa0 [ 32.119515] Kernel Offset: 0x0 from 0xffffffff81000000 (relocation range: 0xffffffff80000000-0xffffffff9fffffff) Elapsed time: 40 /kernel/x86_64-randconfig-s1-08281038/dd7ed2643b17336d0103ddda2c385b59812a40b8/dmesg-quantal-vp-12:20140828112545:x86_64-randconfig-s1-08281038:3.17.0-rc2-wl-ath-01630-gdd7ed26:4 /kernel/x86_64-randconfig-s1-08281038/dd7ed2643b17336d0103ddda2c385b59812a40b8/dmesg-quantal-vp-13:20140828112545:x86_64-randconfig-s1-08281038:3.17.0-rc2-wl-ath-01630-gdd7ed26:4 /kernel/x86_64-randconfig-s1-08281038/dd7ed2643b17336d0103ddda2c385b59812a40b8/dmesg-quantal-vp-15:20140828112546:x86_64-randconfig-s1-08281038:3.17.0-rc2-wl-ath-01630-gdd7ed26:4 /kernel/x86_64-randconfig-s1-08281038/dd7ed2643b17336d0103ddda2c385b59812a40b8/dmesg-quantal-vp-25:20140828112542:x86_64-randconfig-s1-08281038:3.17.0-rc2-wl-ath-01630-gdd7ed26:4 /kernel/x86_64-randconfig-s1-08281038/dd7ed2643b17336d0103ddda2c385b59812a40b8/dmesg-quantal-vp-26:20140828112543:x86_64-randconfig-s1-08281038:3.17.0-rc2-wl-ath-01630-gdd7ed26:4 /kernel/x86_64-randconfig-s1-08281038/dd7ed2643b17336d0103ddda2c385b59812a40b8/dmesg-quantal-vp-9:20140828112550:x86_64-randconfig-s1-08281038:3.17.0-rc2-wl-ath-01630-gdd7ed26:4 /kernel/x86_64-randconfig-s1-08281038/dd7ed2643b17336d0103ddda2c385b59812a40b8/dmesg-quantal-vp-11:20140828112553:x86_64-randconfig-s1-08281038:3.17.0-rc2-wl-ath-01630-gdd7ed26:4 /kernel/x86_64-randconfig-s1-08281038/dd7ed2643b17336d0103ddda2c385b59812a40b8/dmesg-quantal-vp-27:20140828112601:x86_64-randconfig-s1-08281038:3.17.0-rc2-wl-ath-01630-gdd7ed26:4 /kernel/x86_64-randconfig-s1-08281038/dd7ed2643b17336d0103ddda2c385b59812a40b8/dmesg-quantal-vp-30:20140828112558:x86_64-randconfig-s1-08281038:3.17.0-rc2-wl-ath-01630-gdd7ed26:4 /kernel/x86_64-randconfig-s1-08281038/dd7ed2643b17336d0103ddda2c385b59812a40b8/dmesg-quantal-vp-32:20140828112554:x86_64-randconfig-s1-08281038:3.17.0-rc2-wl-ath-01630-gdd7ed26:4 /kernel/x86_64-randconfig-s1-08281038/dd7ed2643b17336d0103ddda2c385b59812a40b8/dmesg-quantal-vp-6:20140828112557:x86_64-randconfig-s1-08281038:3.17.0-rc2-wl-ath-01630-gdd7ed26:4 /kernel/x86_64-randconfig-s1-08281038/dd7ed2643b17336d0103ddda2c385b59812a40b8/dmesg-quantal-vp-1:20140828112603:x86_64-randconfig-s1-08281038:3.17.0-rc2-wl-ath-01630-gdd7ed26:4 3:12:14 all_good:bad:all_bad boots Bisecting: 5 revisions left to test after this (roughly 3 steps) [aa6fe56cf691d0587229cb5c21c44899fc312134] Merge 'rcu/rcu/exp' into devel-hourly-2014082810 running /c/kernel-tests/bisect-test-boot-failure.sh /c/boot-bisect/linux-8/obj-bisect ls -a /kbuild-tests/run-queue/kvm/x86_64-randconfig-s1-08281038/linux-devel:devel-hourly-2014082810:aa6fe56cf691d0587229cb5c21c44899fc312134:bisect-linux-8 2014-08-28 11:26:11 aa6fe56cf691d0587229cb5c21c44899fc312134 compiling Queued build task to /kbuild-tests/build-queue/x86_64-randconfig-s1-08281038-aa6fe56cf691d0587229cb5c21c44899fc312134 Check for kernel in /kernel/x86_64-randconfig-s1-08281038/aa6fe56cf691d0587229cb5c21c44899fc312134 waiting for completion of /kbuild-tests/build-queue/x86_64-randconfig-s1-08281038-aa6fe56cf691d0587229cb5c21c44899fc312134 kernel: /kernel/x86_64-randconfig-s1-08281038/aa6fe56cf691d0587229cb5c21c44899fc312134/vmlinuz-3.17.0-rc2-wl-ath-01628-gaa6fe56 2014-08-28 11:28:11 detecting boot state 2 TEST FAILURE [ 9.427166] Testing event kmalloc: [ 32.100002] NMI watchdog: BUG: soft lockup - CPU#1 stuck for 22s! [torture_slam_kt:115] [ 32.100002] CPU: 1 PID: 115 Comm: torture_slam_kt Not tainted 3.17.0-rc2-wl-ath-01628-gaa6fe56 #5 [ 32.100002] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 32.100002] task: ffff88000b1e4a10 ti: ffff88000b198000 task.ti: ffff88000b198000 [ 32.100002] RIP: 0010:[] [] _cond_resched+0xd/0x60 [ 32.100002] RSP: 0000:ffff88000b19be18 EFLAGS: 00000202 [ 32.100002] RAX: ffff88000b1e4a10 RBX: 0000000000000000 RCX: 00000000000002a0 [ 32.100002] RDX: 0000000000000073 RSI: 0000000000000276 RDI: ffffffff82db3e68 [ 32.100002] RBP: ffff88000b19be28 R08: 00000000000009d8 R09: 0000000000000000 [ 32.100002] R10: 0000000000000000 R11: 0000000000000000 R12: ffff88000b19bdf0 [ 32.100002] R13: ffff88000b19be10 R14: ffffffff82414bdf R15: ffff88000b19bd80 [ 32.100002] FS: 0000000000000000(0000) GS:ffff880012400000(0000) knlGS:0000000000000000 [ 32.100002] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 32.100002] CR2: 0000000000000000 CR3: 0000000003012000 CR4: 00000000000406e0 [ 32.100002] Stack: [ 32.100002] ffffffff812009f8 ffff880009790d50 ffff88000b19be48 ffffffff812012f3 [ 32.100002] 0000006300000000 ffff8800100b0a80 ffff88000b19bf48 ffffffff81105160 [ 32.100002] 0000000000000000 ffff88000b1e4a10 0000000000000000 ffff880000000000 [ 32.100002] Call Trace: [ 32.100002] [] ? stutter_wait+0xa8/0x130 [ 32.100002] [] torture_slam_kthread+0xe3/0x190 [ 32.100002] [] kthread+0x130/0x160 [ 32.100002] [] ? __kthread_unpark+0xa0/0xa0 [ 32.100002] [] ret_from_fork+0x7c/0xb0 [ 32.100002] [] ? __kthread_unpark+0xa0/0xa0 [ 32.100002] Code: ff ff a8 08 75 aa 5b 48 83 05 37 16 75 01 01 5d c3 0f 0b 48 83 05 fb 15 75 01 01 0f 1f 00 0f 1f 44 00 00 48 83 05 13 24 75 01 01 <65> 8b 04 25 e0 b8 00 00 85 c0 74 03 31 c0 c3 55 48 83 05 03 24 [ 32.100002] Kernel panic - not syncing: softlockup: hung tasks [ 32.100002] CPU: 1 PID: 115 Comm: torture_slam_kt Tainted: G L 3.17.0-rc2-wl-ath-01628-gaa6fe56 #5 [ 32.100002] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 32.100002] 0000000000000007 ffff880012403df8 ffffffff824068c4 ffffffff82da4173 [ 32.100002] ffff880012403e70 ffffffff823fe706 0000000000000008 ffff880012403e80 [ 32.100002] ffff880012403e20 0000000000000001 0000000000000000 ffffffff81150543 [ 32.100002] Call Trace: [ 32.100002] [] dump_stack+0x85/0xba [ 32.100002] [] panic+0x110/0x300 [ 32.100002] [] ? console_unlock+0x373/0x680 [ 32.100002] [] watchdog_timer_fn+0x283/0x2e0 [ 32.100002] [] hrtimer_run_queues+0x159/0x470 [ 32.100002] [] ? watchdog+0x40/0x40 [ 32.100002] [] update_process_times+0x42/0xc0 [ 32.100002] [] tick_periodic+0x38/0x130 [ 32.100002] [] tick_handle_periodic+0x2e/0xb0 [ 32.100002] [] ? torture_stutter+0x1d0/0x1d0 [ 32.100002] [] local_apic_timer_interrupt+0x3f/0x80 [ 32.100002] [] smp_apic_timer_interrupt+0x5f/0x80 [ 32.100002] [] apic_timer_interrupt+0x6d/0x80 [ 32.100002] [] ? _cond_resched+0xd/0x60 [ 32.100002] [] ? stutter_wait+0xa8/0x130 [ 32.100002] [] torture_slam_kthread+0xe3/0x190 [ 32.100002] [] kthread+0x130/0x160 [ 32.100002] [] ? __kthread_unpark+0xa0/0xa0 [ 32.100002] [] ret_from_fork+0x7c/0xb0 [ 32.100002] [] ? __kthread_unpark+0xa0/0xa0 [ 32.100002] Kernel Offset: 0x0 from 0xffffffff81000000 (relocation range: 0xffffffff80000000-0xffffffff9fffffff) Elapsed time: 40 /kernel/x86_64-randconfig-s1-08281038/aa6fe56cf691d0587229cb5c21c44899fc312134/dmesg-quantal-kbuild-19:20140828112637:x86_64-randconfig-s1-08281038:3.17.0-rc2-wl-ath-01628-gaa6fe56:5 /kernel/x86_64-randconfig-s1-08281038/aa6fe56cf691d0587229cb5c21c44899fc312134/dmesg-quantal-vp-25:20140828112814:x86_64-randconfig-s1-08281038:3.17.0-rc2-wl-ath-01628-gaa6fe56:5 /kernel/x86_64-randconfig-s1-08281038/aa6fe56cf691d0587229cb5c21c44899fc312134/dmesg-quantal-kbuild-7:20140828112657:x86_64-randconfig-s1-08281038:3.17.0-rc2-wl-ath-01628-gaa6fe56:5 /kernel/x86_64-randconfig-s1-08281038/aa6fe56cf691d0587229cb5c21c44899fc312134/dmesg-quantal-vp-10:20140828112829:x86_64-randconfig-s1-08281038:3.17.0-rc2-wl-ath-01628-gaa6fe56:5 0:4:6 all_good:bad:all_bad boots linear-bisect: bad branch may be rcu/rcu/exp linear-bisect: handle over to git bisect linear-bisect: git bisect start aa6fe56cf691d0587229cb5c21c44899fc312134 5cde56d94f0761101b235d1c88c674034bdd101a -- Previous HEAD position was aa6fe56... Merge 'rcu/rcu/exp' into devel-hourly-2014082810 HEAD is now at b4d3318... Merge remote-tracking branch 'crypto/master' Bisecting: 0 revisions left to test after this (roughly 1 step) [a31a69e0a7601d78b242d1e0c367e53e6bdc47f8] rcu: Eliminate deadlock between CPU hotplug and expedited grace periods linear-bisect: git bisect run /c/kernel-tests/bisect-test-boot-failure.sh /c/boot-bisect/linux-8/obj-bisect running /c/kernel-tests/bisect-test-boot-failure.sh /c/boot-bisect/linux-8/obj-bisect ls -a /kbuild-tests/run-queue/kvm/x86_64-randconfig-s1-08281038/linux-devel:devel-hourly-2014082810:a31a69e0a7601d78b242d1e0c367e53e6bdc47f8:bisect-linux-8 2014-08-28 11:28:47 a31a69e0a7601d78b242d1e0c367e53e6bdc47f8 compiling Queued build task to /kbuild-tests/build-queue/x86_64-randconfig-s1-08281038-a31a69e0a7601d78b242d1e0c367e53e6bdc47f8 Check for kernel in /kernel/x86_64-randconfig-s1-08281038/a31a69e0a7601d78b242d1e0c367e53e6bdc47f8 waiting for completion of /kbuild-tests/build-queue/x86_64-randconfig-s1-08281038-a31a69e0a7601d78b242d1e0c367e53e6bdc47f8 kernel: /kernel/x86_64-randconfig-s1-08281038/a31a69e0a7601d78b242d1e0c367e53e6bdc47f8/vmlinuz-3.17.0-rc2-00064-ga31a69e0 2014-08-28 11:30:47 detecting boot state 1 TEST FAILURE [ 9.590792] Testing event device_pm_callback_start: [ 32.120002] NMI watchdog: BUG: soft lockup - CPU#1 stuck for 22s! [torture_slam_kt:115] [ 32.120002] CPU: 1 PID: 115 Comm: torture_slam_kt Not tainted 3.17.0-rc2-00064-ga31a69e0 #6 [ 32.120002] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 32.120002] task: ffff8800117905d0 ti: ffff88000b388000 task.ti: ffff88000b388000 [ 32.120002] RIP: 0010:[] [] __might_sleep+0x1b/0x1a0 [ 32.120002] RSP: 0000:ffff88000b38be10 EFLAGS: 00000202 [ 32.120002] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 00000000000002a0 [ 32.120002] RDX: 0000000000000000 RSI: 0000000000000276 RDI: ffffffff82da8b88 [ 32.120002] RBP: ffff88000b38be28 R08: 00000000000007da R09: 0000000000000000 [ 32.120002] R10: 0000000000000000 R11: 0000000000000000 R12: ffff88000b38bdf0 [ 32.120002] R13: ffff88000b38be10 R14: ffffffff8240735f R15: ffff88000b38bd80 [ 32.120002] FS: 0000000000000000(0000) GS:ffff880012400000(0000) knlGS:0000000000000000 [ 32.120002] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 32.120002] CR2: 0000000000000000 CR3: 0000000003012000 CR4: 00000000000406e0 [ 32.120002] Stack: [ 32.120002] ffff88000b38be28 ffffffff8120087b ffff8800097bccd0 ffff88000b38be48 [ 32.120002] ffffffff81201183 0000006300000000 ffff880010f11980 ffff88000b38bf48 [ 32.120002] ffffffff81105220 0000000000000000 ffff8800117905d0 0000000000000000 [ 32.120002] Call Trace: [ 32.120002] [] ? stutter_wait+0x9b/0x130 [ 32.120002] [] torture_slam_kthread+0xe3/0x190 [ 32.120002] [] kthread+0x130/0x160 [ 32.120002] [] ? __kthread_unpark+0xa0/0xa0 [ 32.120002] [] ret_from_fork+0x7c/0xb0 [ 32.120002] [] ? __kthread_unpark+0xa0/0xa0 [ 32.120002] Code: a3 02 01 5d c3 0f 1f 00 5b b8 01 00 00 00 5d c3 0f 1f 44 00 00 65 8b 04 25 e0 b8 00 00 55 25 ff ff df 7f 48 83 05 75 e6 a3 02 01 <39> c2 48 89 e5 0f 84 32 01 00 00 83 3d 47 6b 60 02 01 74 11 48 [ 32.120002] Kernel panic - not syncing: softlockup: hung tasks [ 32.120002] CPU: 1 PID: 115 Comm: torture_slam_kt Tainted: G L 3.17.0-rc2-00064-ga31a69e0 #6 [ 32.120002] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 32.120002] 0000000000000007 ffff880012403df8 ffffffff823f9094 ffffffff82d98eb6 [ 32.120002] ffff880012403e70 ffffffff823f0ed6 0000000000000008 ffff880012403e80 [ 32.120002] ffff880012403e20 0000000000000001 0000000000000000 ffffffff811505c3 [ 32.120002] Call Trace: [ 32.120002] [] dump_stack+0x85/0xba [ 32.120002] [] panic+0x110/0x300 [ 32.120002] [] ? console_unlock+0x373/0x680 [ 32.120002] [] watchdog_timer_fn+0x283/0x2e0 [ 32.120002] [] hrtimer_run_queues+0x159/0x470 [ 32.120002] [] ? watchdog+0x40/0x40 [ 32.120002] [] update_process_times+0x42/0xc0 [ 32.120002] [] tick_periodic+0x38/0x130 [ 32.120002] [] tick_handle_periodic+0x2e/0xb0 [ 32.120002] [] ? torture_stutter+0x1d0/0x1d0 [ 32.120002] [] local_apic_timer_interrupt+0x3f/0x80 [ 32.120002] [] smp_apic_timer_interrupt+0x5f/0x80 [ 32.120002] [] apic_timer_interrupt+0x6d/0x80 [ 32.120002] [] ? __might_sleep+0x1b/0x1a0 [ 32.120002] [] ? stutter_wait+0x9b/0x130 [ 32.120002] [] torture_slam_kthread+0xe3/0x190 [ 32.120002] [] kthread+0x130/0x160 [ 32.120002] [] ? __kthread_unpark+0xa0/0xa0 [ 32.120002] [] ret_from_fork+0x7c/0xb0 [ 32.120002] [] ? __kthread_unpark+0xa0/0xa0 [ 32.120002] Kernel Offset: 0x0 from 0xffffffff81000000 (relocation range: 0xffffffff80000000-0xffffffff9fffffff) Elapsed time: 40 /kernel/x86_64-randconfig-s1-08281038/a31a69e0a7601d78b242d1e0c367e53e6bdc47f8/dmesg-quantal-kbuild-27:20140828112925:x86_64-randconfig-s1-08281038:3.17.0-rc2-00064-ga31a69e0:6 /kernel/x86_64-randconfig-s1-08281038/a31a69e0a7601d78b242d1e0c367e53e6bdc47f8/dmesg-quantal-kbuild-9:20140828112926:x86_64-randconfig-s1-08281038:3.17.0-rc2-00064-ga31a69e0:6 0:2:3 all_good:bad:all_bad boots Bisecting: 0 revisions left to test after this (roughly 0 steps) [86d8f10e35c1e63d5a839792efd7c3cb6a564fe4] rcutorture: Add preemption-slam testing running /c/kernel-tests/bisect-test-boot-failure.sh /c/boot-bisect/linux-8/obj-bisect ls -a /kbuild-tests/run-queue/kvm/x86_64-randconfig-s1-08281038/linux-devel:devel-hourly-2014082810:86d8f10e35c1e63d5a839792efd7c3cb6a564fe4:bisect-linux-8 2014-08-28 11:31:19 86d8f10e35c1e63d5a839792efd7c3cb6a564fe4 compiling Queued build task to /kbuild-tests/build-queue/x86_64-randconfig-s1-08281038-86d8f10e35c1e63d5a839792efd7c3cb6a564fe4 Check for kernel in /kernel/x86_64-randconfig-s1-08281038/86d8f10e35c1e63d5a839792efd7c3cb6a564fe4 waiting for completion of /kbuild-tests/build-queue/x86_64-randconfig-s1-08281038-86d8f10e35c1e63d5a839792efd7c3cb6a564fe4 kernel: /kernel/x86_64-randconfig-s1-08281038/86d8f10e35c1e63d5a839792efd7c3cb6a564fe4/vmlinuz-3.17.0-rc2-00063-g86d8f10 2014-08-28 11:33:19 detecting boot state 1 2 4 TEST FAILURE [ 9.420841] Testing event mm_vmscan_writepage: [ 32.083338] NMI watchdog: BUG: soft lockup - CPU#1 stuck for 22s! [torture_slam_kt:115] [ 32.083338] CPU: 1 PID: 115 Comm: torture_slam_kt Not tainted 3.17.0-rc2-00063-g86d8f10 #7 [ 32.083338] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 32.083338] task: ffff88000b391650 ti: ffff88000b278000 task.ti: ffff88000b278000 [ 32.083338] RIP: 0010:[] [] __might_sleep+0x162/0x1a0 [ 32.083338] RSP: 0000:ffff88000b27be10 EFLAGS: 00000202 [ 32.083338] RAX: 0000000000000202 RBX: 0000000000000000 RCX: 00000000000002a0 [ 32.083338] RDX: 0000000000000000 RSI: 0000000000000276 RDI: ffffffff82da8b58 [ 32.083338] RBP: ffff88000b27be10 R08: 000000000000090f R09: 0000000000000000 [ 32.083338] R10: 0000000000000000 R11: 0000000000000000 R12: ffff88000b27bdf0 [ 32.083338] R13: ffff88000b27be10 R14: ffffffff8240723f R15: ffff88000b27bd80 [ 32.083338] FS: 0000000000000000(0000) GS:ffff880012400000(0000) knlGS:0000000000000000 [ 32.083338] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 32.083338] CR2: 0000000000000000 CR3: 0000000003012000 CR4: 00000000000406e0 [ 32.083338] Stack: [ 32.083338] ffff88000b27be28 ffffffff8120075b ffff8800097eca10 ffff88000b27be48 [ 32.083338] ffffffff81201063 0000006300000000 ffff8800101afec0 ffff88000b27bf48 [ 32.083338] ffffffff81105150 0000000000000000 ffff88000b391650 0000000000000000 [ 32.083338] Call Trace: [ 32.083338] [] stutter_wait+0x9b/0x130 [ 32.083338] [] torture_slam_kthread+0xe3/0x190 [ 32.083338] [] kthread+0x130/0x160 [ 32.083338] [] ? __kthread_unpark+0xa0/0xa0 [ 32.083338] [] ret_from_fork+0x7c/0xb0 [ 32.083338] [] ? __kthread_unpark+0xa0/0xa0 [ 32.083338] Code: 02 75 08 48 83 05 4e e6 a3 02 01 e8 e8 dc 2d 01 48 83 05 49 e6 a3 02 01 5d c3 0f 1f 80 00 00 00 00 48 83 05 c8 e5 a3 02 01 9c 58 <0f> 1f 44 00 00 48 83 05 c1 e5 a3 02 01 f6 c4 02 0f 84 ae fe ff [ 32.083338] Kernel panic - not syncing: softlockup: hung tasks [ 32.083338] CPU: 1 PID: 115 Comm: torture_slam_kt Tainted: G L 3.17.0-rc2-00063-g86d8f10 #7 [ 32.083338] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 32.083338] 0000000000000007 ffff880012403df8 ffffffff823f8f74 ffffffff82d98e85 [ 32.083338] ffff880012403e70 ffffffff823f0db6 0000000000000008 ffff880012403e80 [ 32.083338] ffff880012403e20 0000000000000001 0000000000000000 ffffffff811504f3 [ 32.083338] Call Trace: [ 32.083338] [] dump_stack+0x85/0xba [ 32.083338] [] panic+0x110/0x300 [ 32.083338] [] ? console_unlock+0x373/0x680 [ 32.083338] [] watchdog_timer_fn+0x283/0x2e0 [ 32.083338] [] hrtimer_run_queues+0x159/0x470 [ 32.083338] [] ? watchdog+0x40/0x40 [ 32.083338] [] update_process_times+0x42/0xc0 [ 32.083338] [] tick_periodic+0x38/0x130 [ 32.083338] [] tick_handle_periodic+0x2e/0xb0 [ 32.083338] [] ? torture_stutter+0x1d0/0x1d0 [ 32.083338] [] local_apic_timer_interrupt+0x3f/0x80 [ 32.083338] [] smp_apic_timer_interrupt+0x5f/0x80 [ 32.083338] [] apic_timer_interrupt+0x6d/0x80 [ 32.083338] [] ? __might_sleep+0x162/0x1a0 [ 32.083338] [] stutter_wait+0x9b/0x130 [ 32.083338] [] torture_slam_kthread+0xe3/0x190 [ 32.083338] [] kthread+0x130/0x160 [ 32.083338] [] ? __kthread_unpark+0xa0/0xa0 [ 32.083338] [] ret_from_fork+0x7c/0xb0 [ 32.083338] [] ? __kthread_unpark+0xa0/0xa0 [ 32.083338] Kernel Offset: 0x0 from 0xffffffff81000000 (relocation range: 0xffffffff80000000-0xffffffff9fffffff) Elapsed time: 40 /kernel/x86_64-randconfig-s1-08281038/86d8f10e35c1e63d5a839792efd7c3cb6a564fe4/dmesg-quantal-kbuild-17:20140828113306:x86_64-randconfig-s1-08281038:3.17.0-rc2-00063-g86d8f10:7 /kernel/x86_64-randconfig-s1-08281038/86d8f10e35c1e63d5a839792efd7c3cb6a564fe4/dmesg-quantal-kbuild-20:20140828113306:x86_64-randconfig-s1-08281038:3.17.0-rc2-00063-g86d8f10:7 0:2:6 all_good:bad:all_bad boots 2014-08-28 11:34:50 REPEAT COUNT: 40 # /c/boot-bisect/linux-8/obj-bisect/.repeat 86d8f10e35c1e63d5a839792efd7c3cb6a564fe4 is the first bad commit commit 86d8f10e35c1e63d5a839792efd7c3cb6a564fe4 Author: Paul E. McKenney Date: Fri Aug 22 14:03:38 2014 -0700 rcutorture: Add preemption-slam testing This commit adds kernel threads whose sole purpose is to add random preemption of the code under test. It adds four kernel boot parameters to control the number of preemption-slam kthreads, their real-time priority, the length of time that they sleep, and the length of time that they spin at the real-time priority. Signed-off-by: Paul E. McKenney :040000 040000 8a3041603676a6fdd6e7d8330dc44ef8aa11fa96 47c899caeaadbb1d2198c3a551e51529a521b374 M Documentation :040000 040000 69b274c4234fec275921c5b6200562bd1fc862c3 f90892ab509d6c185867161ac6ec439d00602910 M include :040000 040000 2f46852a7ba4de3d9f8fb79386baf5b585df19f9 000fd420a1ad22e2bfe3b48c21b15a34f8bd7744 M kernel bisect run success Previous HEAD position was 86d8f10e... rcutorture: Add preemption-slam testing HEAD is now at b52938b... Merge branch 'rcu-tasks.2014.08.27a' into HEAD ls -a /kbuild-tests/run-queue/kvm/x86_64-randconfig-s1-08281038/linux-devel:devel-hourly-2014082810:b52938be99a099b452979ed805b480337ee2df0f:bisect-linux-8 2014-08-28 11:34:51 b52938be99a099b452979ed805b480337ee2df0f compiling Queued build task to /kbuild-tests/build-queue/x86_64-randconfig-s1-08281038-b52938be99a099b452979ed805b480337ee2df0f Check for kernel in /kernel/x86_64-randconfig-s1-08281038/b52938be99a099b452979ed805b480337ee2df0f waiting for completion of /kbuild-tests/build-queue/x86_64-randconfig-s1-08281038-b52938be99a099b452979ed805b480337ee2df0f kernel: /kernel/x86_64-randconfig-s1-08281038/b52938be99a099b452979ed805b480337ee2df0f/vmlinuz-3.17.0-rc2-00062-gb52938b 2014-08-28 11:36:51 detecting boot state . 11 19 35 49 58 67 98 120 SUCCESS Previous HEAD position was b52938b... Merge branch 'rcu-tasks.2014.08.27a' into HEAD HEAD is now at 8153a6b... 0day head guard for 'devel-hourly-2014082810' ls -a /kbuild-tests/run-queue/kvm/x86_64-randconfig-s1-08281038/linux-devel:devel-hourly-2014082810:8153a6bbcc340b292248b66a6db89b991fe23995:bisect-linux-8 TEST FAILURE [ 38.709886] Testing event drm_vblank_event: [ 64.063339] NMI watchdog: BUG: soft lockup - CPU#0 stuck for 22s! [torture_slam_kt:115] [ 64.063339] CPU: 0 PID: 115 Comm: torture_slam_kt Not tainted 3.17.0-rc2-wl-ath-02206-g8153a6b #147 [ 64.063339] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 64.063339] task: ffff88000b3453d0 ti: ffff88000b3cc000 task.ti: ffff88000b3cc000 [ 64.063339] RIP: 0010:[] [] function_test_events_call+0x58/0x140 [ 64.063339] RSP: 0000:ffff88000b3cfce0 EFLAGS: 00000202 [ 64.063339] RAX: ffff8800123ced14 RBX: ffff880011545400 RCX: 0000000000000000 [ 64.063339] RDX: 0000000000000000 RSI: ffffffff812009f8 RDI: ffffffff8240e880 [ 64.063339] RBP: ffff88000b3cfd20 R08: 000000000000402e R09: 0000000000000000 [ 64.063339] R10: 00000000000012c0 R11: 00000010204c82ac R12: ffff88000b3cfc78 [ 64.063339] R13: ffff8800115454c8 R14: ffff880011545400 R15: ffff880011542400 [ 64.063339] FS: 0000000000000000(0000) GS:ffff880012200000(0000) knlGS:0000000000000000 [ 64.063339] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 64.063339] CR2: 00000000ffffffff CR3: 0000000003012000 CR4: 00000000000406f0 [ 64.063339] Stack: [ 64.063339] ffff8800116826bc 0000000000000206 ffff880011542400 ffffffff83a08980 [ 64.063339] ffffffff8240e880 0000000000000000 ffffffff812009f8 0000000000000800 [ 64.063339] ffff88000b3cfd58 ffffffff811ba1f8 ffffffff82da5fa6 0000000000000000 [ 64.063339] Call Trace: [ 64.063339] [] ? preempt_schedule_irq+0xc0/0xc0 [ 64.063339] [] ? stutter_wait+0xa8/0x130 [ 64.063339] [] ftrace_ops_list_func+0x118/0x220 [ 64.063339] [] ? torture_stutter+0x1d0/0x1d0 [ 64.063339] [] ftrace_call+0x5/0x2f [ 64.063339] [] ? ftrace_call+0x5/0x2f [ 64.063339] [] ? _cond_resched+0x5/0x60 [ 64.063339] [] ? _cond_resched+0x5/0x60 [ 64.063339] [] ? stutter_wait+0xa8/0x130 [ 64.063339] [] torture_slam_kthread+0xe3/0x190 [ 64.063339] [] kthread+0x130/0x160 [ 64.063339] [] ? __kthread_unpark+0xa0/0xa0 [ 64.063339] [] ret_from_fork+0x7c/0xb0 [ 64.063339] [] ? __kthread_unpark+0xa0/0xa0 [ 64.063339] Code: 25 1c b0 00 00 49 c7 c6 14 ed 1c 00 48 63 db 48 83 05 b4 37 47 03 01 4c 89 f0 ba 01 00 00 00 48 03 04 dd 00 c0 72 83 f0 0f c1 10 <48> 83 05 a0 37 47 03 01 85 d2 74 3c 4c 89 f0 48 03 04 dd 00 c0 [ 64.063339] Kernel panic - not syncing: softlockup: hung tasks [ 64.063339] CPU: 0 PID: 115 Comm: torture_slam_kt Tainted: G L 3.17.0-rc2-wl-ath-02206-g8153a6b #147 [ 64.063339] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 64.063339] 0000000000000025 ffff880012203df8 ffffffff824083a4 ffffffff82da4700 [ 64.063339] ffff880012203e70 ffffffff824001e6 0000000000000008 ffff880012203e80 [ 64.063339] ffff880012203e20 000000000000b9b8 0000000000000000 ffffffff81150543 [ 64.063339] Call Trace: [ 64.063339] [] dump_stack+0x85/0xba [ 64.063339] [] panic+0x110/0x300 [ 64.063339] [] ? console_unlock+0x373/0x680 [ 64.063339] [] watchdog_timer_fn+0x283/0x2e0 [ 64.063339] [] hrtimer_run_queues+0x159/0x470 [ 64.063339] [] ? watchdog+0x40/0x40 [ 64.063339] [] update_process_times+0x42/0xc0 [ 64.063339] [] tick_periodic+0x38/0x130 [ 64.063339] [] ? tick_handle_periodic+0x2e/0xb0 [ 64.063339] [] tick_handle_periodic+0x2e/0xb0 [ 64.063339] [] ? preempt_schedule_irq+0xc0/0xc0 [ 64.063339] [] local_apic_timer_interrupt+0x3f/0x80 [ 64.063339] [] smp_apic_timer_interrupt+0x5f/0x80 [ 64.063339] [] apic_timer_interrupt+0x6d/0x80 [ 64.063339] [] ? stutter_wait+0xa8/0x130 [ 64.063339] [] ? preempt_schedule_irq+0xc0/0xc0 [ 64.063339] [] ? function_test_events_call+0x58/0x140 [ 64.063339] [] ? preempt_schedule_irq+0xc0/0xc0 [ 64.063339] [] ? stutter_wait+0xa8/0x130 [ 64.063339] [] ftrace_ops_list_func+0x118/0x220 [ 64.063339] [] ? torture_stutter+0x1d0/0x1d0 [ 64.063339] [] ftrace_call+0x5/0x2f [ 64.063339] [] ? ftrace_call+0x5/0x2f [ 64.063339] [] ? _cond_resched+0x5/0x60 [ 64.063339] [] ? _cond_resched+0x5/0x60 [ 64.063339] [] ? stutter_wait+0xa8/0x130 [ 64.063339] [] torture_slam_kthread+0xe3/0x190 [ 64.063339] [] kthread+0x130/0x160 [ 64.063339] [] ? __kthread_unpark+0xa0/0xa0 [ 64.063339] [] ret_from_fork+0x7c/0xb0 [ 64.063339] [] ? __kthread_unpark+0xa0/0xa0 [ 64.063339] Kernel Offset: 0x0 from 0xffffffff81000000 (relocation range: 0xffffffff80000000-0xffffffff9fffffff) Elapsed time: 70 /kernel/x86_64-randconfig-s1-08281038/8153a6bbcc340b292248b66a6db89b991fe23995/dmesg-quantal-kbuild-6:20140828104418:x86_64-randconfig-s1-08281038:3.17.0-rc2-wl-ath-02206-g8153a6b:147 /kernel/x86_64-randconfig-s1-08281038/8153a6bbcc340b292248b66a6db89b991fe23995/dmesg-quantal-kbuild-31:20140828104418:x86_64-randconfig-s1-08281038:3.17.0-rc2-wl-ath-02206-g8153a6b:147 /kernel/x86_64-randconfig-s1-08281038/8153a6bbcc340b292248b66a6db89b991fe23995/dmesg-quantal-kbuild-18:20140828104204:x86_64-randconfig-s1-08281038:3.17.0-rc2-wl-ath-02206-g8153a6b:147 /kernel/x86_64-randconfig-s1-08281038/8153a6bbcc340b292248b66a6db89b991fe23995/dmesg-quantal-kbuild-15:20140828104418:x86_64-randconfig-s1-08281038:3.17.0-rc2-wl-ath-02206-g8153a6b:147 /kernel/x86_64-randconfig-s1-08281038/8153a6bbcc340b292248b66a6db89b991fe23995/dmesg-quantal-kbuild-32:20140828104418:x86_64-randconfig-s1-08281038:3.17.0-rc2-wl-ath-02206-g8153a6b:147 /kernel/x86_64-randconfig-s1-08281038/8153a6bbcc340b292248b66a6db89b991fe23995/dmesg-quantal-kbuild-25:20140828104428:x86_64-randconfig-s1-08281038:3.17.0-rc2-wl-ath-02206-g8153a6b:147 /kernel/x86_64-randconfig-s1-08281038/8153a6bbcc340b292248b66a6db89b991fe23995/dmesg-quantal-kbuild-16:20140828104423:x86_64-randconfig-s1-08281038:3.17.0-rc2-wl-ath-02206-g8153a6b:147 0:7:11 all_good:bad:all_bad boots HEAD is now at 8153a6b 0day head guard for 'devel-hourly-2014082810' ========= linus/master ========= Previous HEAD position was 8153a6b... 0day head guard for 'devel-hourly-2014082810' HEAD is now at f1bd473... Merge branch 'sec-v3.17-rc2' of git://git.kernel.org/pub/scm/linux/kernel/git/sergeh/linux-security ls -a /kbuild-tests/run-queue/kvm/x86_64-randconfig-s1-08281038/linus:master:f1bd473f95e02bc382d4dae94d7f82e2a455e05d:bisect-linux-8 2014-08-28 11:41:27 f1bd473f95e02bc382d4dae94d7f82e2a455e05d compiling Queued build task to /kbuild-tests/build-queue/x86_64-randconfig-s1-08281038-f1bd473f95e02bc382d4dae94d7f82e2a455e05d Check for kernel in /kernel/x86_64-randconfig-s1-08281038/f1bd473f95e02bc382d4dae94d7f82e2a455e05d waiting for completion of /kbuild-tests/build-queue/x86_64-randconfig-s1-08281038-f1bd473f95e02bc382d4dae94d7f82e2a455e05d kernel: /kernel/x86_64-randconfig-s1-08281038/f1bd473f95e02bc382d4dae94d7f82e2a455e05d/vmlinuz-3.17.0-rc2-00042-gf1bd473 2014-08-28 11:43:27 detecting boot state .. 2. 18 23 29 36 37. 40 45 52 54 56 59. 60 68 71 74 76 77 82 89 93 98 101 103 107 110 117 118 120 SUCCESS ========= next/master ========= Previous HEAD position was f1bd473... Merge branch 'sec-v3.17-rc2' of git://git.kernel.org/pub/scm/linux/kernel/git/sergeh/linux-security HEAD is now at d05446a... Add linux-next specific files for 20140827 ls -a /kbuild-tests/run-queue/kvm/x86_64-randconfig-s1-08281038/next:master:d05446ae2128064a4bb8f74c84f6901ffb5c94bc:bisect-linux-8 2014-08-28 12:00:28 d05446ae2128064a4bb8f74c84f6901ffb5c94bc compiling Queued build task to /kbuild-tests/build-queue/x86_64-randconfig-s1-08281038-d05446ae2128064a4bb8f74c84f6901ffb5c94bc Check for kernel in /kernel/x86_64-randconfig-s1-08281038/d05446ae2128064a4bb8f74c84f6901ffb5c94bc waiting for completion of /kbuild-tests/build-queue/x86_64-randconfig-s1-08281038-d05446ae2128064a4bb8f74c84f6901ffb5c94bc kernel: /kernel/x86_64-randconfig-s1-08281038/d05446ae2128064a4bb8f74c84f6901ffb5c94bc/vmlinuz-3.17.0-rc2-next-20140827 2014-08-28 12:02:28 detecting boot state ... 1 7 9 17.. 20 21 23... 26 28 29 34 36 39 43 53 57 60 63 66 69 70 72 76 81 84 90 92 95 97 100 103 104 106 114 115 120 SUCCESS