git checkout 38dbfb59d1175ef458d006556061adeaa8751b72 ls -a /kernel-tests/run-queue/kvm/x86_64-randconfig-c4-0212/wq:for-3.14-fixes:38dbfb59d1175ef458d006556061adeaa8751b72:bisect-net 2014-02-16-08:03:28 38dbfb59d1175ef458d006556061adeaa8751b72 reuse /kernel/x86_64-randconfig-c4-0212/38dbfb59d1175ef458d006556061adeaa8751b72/vmlinuz-3.14.0-rc1 2014-02-16-08:03:28 detecting boot state .. 2 4 11. 12....... 14... 16 17 18.. 20 21 22 23... 24 26. 27. 29 30. 34. 36.. 42... 43 44 48 49 50 52 53.... 54...... 55. 56..... 57... 58. 61... 62 63 71 81 91...... 92... 93................ 94............... 95 SUCCESS bisect: good commit 38dbfb59d1175ef458d006556061adeaa8751b72 git bisect start 84604340d034a074036e86e85c4055a1c7ea5529 38dbfb59d1175ef458d006556061adeaa8751b72 -- /c/kernel-tests/linear-bisect: ["-b", "84604340d034a074036e86e85c4055a1c7ea5529", "-g", "38dbfb59d1175ef458d006556061adeaa8751b72", "/c/kernel-tests/bisect-test-boot-failure.sh", "/home/wfg/net/obj-bisect"] 84604340d034a074036e86e85c4055a1c7ea5529 is the first bad commit commit 84604340d034a074036e86e85c4055a1c7ea5529 Author: Peter Zijlstra AuthorDate: Tue Feb 11 12:00:36 2014 +0100 Commit: Tejun Heo CommitDate: Tue Feb 11 10:25:17 2014 -0500 workqueue: Fix workqueue lockdep name Tommi noticed a 'funny' lock class name: "%s#5" from a lock acquired in process_one_work(). It turns out that commit b196be89cdc14 forgot to change the lockdep_init_map() when it changed the @lock_name argument from a string to a format. Fixes: b196be89cdc14 ("workqueue: make alloc_workqueue() take printf fmt and args for name") Reported-by: Tommi Rantala Signed-off-by: Peter Zijlstra Signed-off-by: Tejun Heo Cc: stable@vger.kernel.org kernel/workqueue.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) exit /c/kernel-tests/linear-bisect:274:in `exit' /c/kernel-tests/linear-bisect:274:in `linear_bisect' /c/kernel-tests/linear-bisect:294:in `
' exit /c/kernel-tests/linear-bisect:274:in `exit' /c/kernel-tests/linear-bisect:274:in `linear_bisect' /c/kernel-tests/linear-bisect:294:in `
' ls -a /kernel-tests/run-queue/kvm/x86_64-randconfig-c4-0212/wq:for-3.14-fixes:38dbfb59d1175ef458d006556061adeaa8751b72:bisect-net 2014-02-16-09:09:29 38dbfb59d1175ef458d006556061adeaa8751b72 reuse /kernel/x86_64-randconfig-c4-0212/38dbfb59d1175ef458d006556061adeaa8751b72/vmlinuz-3.14.0-rc1 2014-02-16-09:09:30 detecting boot state .... 3. 8 10 12 13 18 21............ 22 23 26.. 27. 30 31 36 37 40. 41.... 42. 46. 47 48.. 50 52 53.. 57. 58.... 59. 60.. 61. 62. 63. 65. 66 68 69 72 74.. 77. 78 80 83 87 93....... 97 101 102 103. 104 105. 107 108 109 113. 114 116 119 121 123 130 131 132 133. 135.. 138. 141.. 143. 145. 146. 148 149 151 152.. 153 154....... 155...... 156....... 158................. 159 162 169 175 186 194 206 212.................... 214.. 216 218 219 221 222 224............................. 225 227 232 236 247 249... 250 251. 255. 256 257... 258 259... 260 263... 264... 265 266.... 267.. 268.. 273 275 278 279 280.... 281 282 283...................... 284... 285 SUCCESS ls -a /kernel-tests/run-queue/kvm/x86_64-randconfig-c4-0212/wq:for-3.14-fixes:84604340d034a074036e86e85c4055a1c7ea5529:bisect-net TEST FAILURE [ 35.542145] rtc-test rtc-test.0: setting system clock to 2014-02-16 00:00:56 UTC (1392508856) [ 35.544393] Unregister pv shared memory for cpu 0 [ 35.567190] numa_remove_cpu cpu 0 node 0: mask now 1 [ 35.600730] BUG: unable to handle kernel paging request at ffff880006be0f60 [ 35.601197] IP: [] strcmp+0x6/0x55 [ 35.601197] PGD 3191067 PUD 3192067 PMD 127ba067 PTE 8000000006be0060 [ 35.601197] Oops: 0000 [#1] SMP DEBUG_PAGEALLOC [ 35.601197] CPU: 1 PID: 1 Comm: swapper/0 Not tainted 3.14.0-rc1-00001-g8460434 #27 [ 35.601197] task: ffff8800111fa010 ti: ffff8800111fc000 task.ti: ffff8800111fc000 [ 35.601197] RIP: 0010:[] [] strcmp+0x6/0x55 [ 35.601197] RSP: 0000:ffff8800111fda88 EFLAGS: 00010046 [ 35.601197] RAX: 0000000000000000 RBX: ffffffff82c8cde0 RCX: 0000000000000064 [ 35.601197] RDX: 0000000000000000 RSI: ffffffff81f62d7a RDI: ffff880006be0f60 [ 35.601197] RBP: ffff8800111fda88 R08: ffffffff82c92301 R09: 0000000000000003 [ 35.601197] R10: 0000000000000046 R11: 0000000000000046 R12: 0000000000000000 [ 35.601197] R13: ffffffff82c92320 R14: ffffffff81f62d7a R15: ffffffff82085338 [ 35.601197] FS: 0000000000000000(0000) GS:ffff880012400000(0000) knlGS:0000000000000000 [ 35.601197] CS: 0010 DS: 0000 ES: 0000 CR0: 000000008005003b [ 35.601197] CR2: ffff880006be0f60 CR3: 000000000200f000 CR4: 00000000000006a0 [ 35.601197] Stack: [ 35.601197] ffff8800111fdab8 ffffffff8192bf5a 0000000000000000 0000000000000002 [ 35.601197] ffffffff82c92320 ffff8800111fa010 ffff8800111fdb80 ffffffff81181909 [ 35.601197] 000000000000c440 ffffffff82c92330 0000000000071960 0000000000000000 [ 35.601197] Call Trace: [ 35.601197] [] count_matching_names+0x61/0x8e [ 35.601197] [] __lock_acquire+0x375/0x1850 [ 35.601197] [] ? pvclock_clocksource_read+0x9b/0x141 [ 35.601197] [] lock_acquire+0xd8/0x1bd [ 35.601197] [] ? dev_pm_qos_constraints_destroy+0x1e/0x143 [ 35.601197] [] ? dev_pm_qos_constraints_destroy+0x1e/0x143 [ 35.601197] [] mutex_lock_nested+0x70/0x5dd [ 35.601197] [] ? dev_pm_qos_constraints_destroy+0x1e/0x143 [ 35.601197] [] ? do_raw_spin_unlock+0xf7/0x131 [ 35.601197] [] dev_pm_qos_constraints_destroy+0x1e/0x143 [ 35.601197] [] dpm_sysfs_remove+0x9/0xb [ 35.601197] [] device_del+0x54/0x209 [ 35.601197] [] device_unregister+0x23/0x2e [ 35.601197] [] device_destroy+0x49/0x4d [ 35.601197] [] msr_device_destroy+0x18/0x1a [ 35.601197] [] msr_class_cpu_callback+0x2d/0x58 [ 35.601197] [] notifier_call_chain+0x197/0x1f5 [ 35.601197] [] __raw_notifier_call_chain+0x9/0xb [ 35.601197] [] __cpu_notify+0x1b/0x32 [ 35.601197] [] cpu_notify+0xe/0x10 [ 35.601197] [] cpu_notify_nofail+0xc/0x39 [ 35.601197] [] _cpu_down+0x2cb/0x521 [ 35.601197] [] ? lock_release_holdtime.part.9+0xcc/0xd9 [ 35.601197] [] cpu_down+0x37/0x4b [ 35.601197] [] _debug_hotplug_cpu+0x54/0xee [ 35.601197] [] ? pci_iommu_alloc+0xb0/0xb0 [ 35.601197] [] debug_hotplug_cpu+0xd/0x11 [ 35.601197] [] do_one_initcall+0x9a/0x1b1 [ 35.601197] [] ? parameq+0x1d/0x1f [ 35.601197] [] ? parse_args+0x2f4/0x3cb [ 35.601197] [] kernel_init_freeable+0x10b/0x1c9 [ 35.601197] [] ? do_early_param+0xc1/0xc1 [ 35.601197] [] ? rest_init+0x162/0x162 [ 35.601197] [] kernel_init+0x9/0x17e [ 35.601197] [] ret_from_fork+0x7c/0xb0 [ 35.601197] [] ? rest_init+0x162/0x162 [ 35.601197] Code: 49 39 d0 40 0f 94 c7 4c 63 cf 49 83 c1 02 4a ff 04 cd d8 6d 2b 82 85 ff 75 05 4c 89 c1 eb cb c6 41 01 00 5d c3 55 31 c0 48 89 e5 <8a> 14 07 8a 0c 06 38 ca 41 0f 95 c0 4d 89 c1 41 83 e1 01 49 83 [ 35.601197] RIP [] strcmp+0x6/0x55 [ 35.601197] RSP [ 35.601197] CR2: ffff880006be0f60 [ 35.601197] ---[ end trace 1d1495ec5cf6f812 ]--- [ 35.601197] Kernel panic - not syncing: Fatal exception /kernel/x86_64-randconfig-c4-0212/84604340d034a074036e86e85c4055a1c7ea5529/dmesg-quantal-xian-11:20140212211335:x86_64-randconfig-c4-0212:3.14.0-rc1-00001-g8460434:27 /kernel/x86_64-randconfig-c4-0212/84604340d034a074036e86e85c4055a1c7ea5529/dmesg-yocto-snb-6:20140216080155:x86_64-randconfig-c4-0212:3.14.0-rc1-00001-g8460434:27 /kernel/x86_64-randconfig-c4-0212/84604340d034a074036e86e85c4055a1c7ea5529/dmesg-quantal-xian-5:20140216080224:x86_64-randconfig-c4-0212:3.14.0-rc1-00001-g8460434:27 0:3:19 all_good:bad:all_bad boots [detached HEAD 1311cda] Revert "workqueue: Fix workqueue lockdep name" 1 file changed, 1 insertion(+), 1 deletion(-) ls -a /kernel-tests/run-queue/kvm/x86_64-randconfig-c4-0212/wq:for-3.14-fixes:1311cda258378c84741364b4ab09e14b979ab4ca:bisect-net 2014-02-16-11:55:16 1311cda258378c84741364b4ab09e14b979ab4ca compiling 2014-02-16-11:58:41 1311cda258378c84741364b4ab09e14b979ab4ca SKIP BROKEN BUILD Check erros in /cc/wfg/net-bisect and /tmp/kernel/x86_64-randconfig-c4-0212/1311cda258378c84741364b4ab09e14b979ab4ca ========= upstream ========= Fetching linus >>From git://gitmirror/linus ca03339..946dd68 master -> linus/master Warning: you are leaving 1 commit behind, not connected to any of your branches: 1311cda Revert "workqueue: Fix workqueue lockdep name" If you want to keep them by creating a new branch, this may be a good time to do so with: git branch new_branch_name 1311cda HEAD is now at 946dd68... Merge git://git.kernel.org/pub/scm/linux/kernel/git/nab/target-pending ls -a /kernel-tests/run-queue/kvm/x86_64-randconfig-c4-0212/wq:for-3.14-fixes:946dd683afb611721cce2cc7e76a19e74f58e067:bisect-net 2014-02-16-11:58:57 946dd683afb611721cce2cc7e76a19e74f58e067 compiling 2014-02-16-12:01:18 946dd683afb611721cce2cc7e76a19e74f58e067 SKIP BROKEN BUILD Check erros in /cc/wfg/net-bisect and /tmp/kernel/x86_64-randconfig-c4-0212/946dd683afb611721cce2cc7e76a19e74f58e067 ========= linux-next ========= Previous HEAD position was 946dd68... Merge git://git.kernel.org/pub/scm/linux/kernel/git/nab/target-pending HEAD is now at da8d308... Add linux-next specific files for 20140214 ls -a /kernel-tests/run-queue/kvm/x86_64-randconfig-c4-0212/wq:for-3.14-fixes:da8d308fbdb8360078786b3e125238122c4fc611:bisect-net 2014-02-16-12:01:20 da8d308fbdb8360078786b3e125238122c4fc611 compiling 2014-02-16-12:07:02 da8d308fbdb8360078786b3e125238122c4fc611 SKIP BROKEN BUILD Check erros in /cc/wfg/net-bisect and /tmp/kernel/x86_64-randconfig-c4-0212/da8d308fbdb8360078786b3e125238122c4fc611