HEAD is now at 5dba024... 0day head guard for 'devel-hourly-2014060210' git checkout fad01e866afdbe01a1f3ec06a39c3a8b9e197014 ls -a /kbuild-tests/run-queue/kvm/i386-randconfig-c1-06021140/linux-devel:devel-hourly-2014060210:fad01e866afdbe01a1f3ec06a39c3a8b9e197014:bisect-linux4 2014-06-02-12:07:10 fad01e866afdbe01a1f3ec06a39c3a8b9e197014 compiling Queued build task to /kbuild-tests/build-queue/i386-randconfig-c1-06021140-fad01e866afdbe01a1f3ec06a39c3a8b9e197014 Check for kernel in /kernel/i386-randconfig-c1-06021140/fad01e866afdbe01a1f3ec06a39c3a8b9e197014 waiting for completion of /kbuild-tests/build-queue/i386-randconfig-c1-06021140-fad01e866afdbe01a1f3ec06a39c3a8b9e197014 waiting for completion of /kbuild-tests/build-queue/.i386-randconfig-c1-06021140-fad01e866afdbe01a1f3ec06a39c3a8b9e197014 kernel: /kernel/i386-randconfig-c1-06021140/fad01e866afdbe01a1f3ec06a39c3a8b9e197014/vmlinuz-3.15.0-rc8 2014-06-02-12:13:10 detecting boot state .............. 4 7 11 13 18 20 SUCCESS bisect: good commit fad01e866afdbe01a1f3ec06a39c3a8b9e197014 git bisect start 5dba024fe84a491ec3ca15193923fcbb938e68f7 fad01e866afdbe01a1f3ec06a39c3a8b9e197014 -- /c/kernel-tests/linear-bisect: ["-b", "5dba024fe84a491ec3ca15193923fcbb938e68f7", "-g", "fad01e866afdbe01a1f3ec06a39c3a8b9e197014", "/c/kernel-tests/bisect-test-boot-failure.sh", "/c/boot-bisect/linux4/obj-bisect"] Bisecting: 2149 revisions left to test after this (roughly 12 steps) [12072cdd5c9b56bb6d4169c5a52c9d0bf64b7f84] Merge 'gxt/unicore32' into devel-hourly-2014060210 running /c/kernel-tests/bisect-test-boot-failure.sh /c/boot-bisect/linux4/obj-bisect ls -a /kbuild-tests/run-queue/kvm/i386-randconfig-c1-06021140/linux-devel:devel-hourly-2014060210:12072cdd5c9b56bb6d4169c5a52c9d0bf64b7f84:bisect-linux4 2014-06-02-12:23:12 12072cdd5c9b56bb6d4169c5a52c9d0bf64b7f84 compiling Queued build task to /kbuild-tests/build-queue/i386-randconfig-c1-06021140-12072cdd5c9b56bb6d4169c5a52c9d0bf64b7f84 Check for kernel in /kernel/i386-randconfig-c1-06021140/12072cdd5c9b56bb6d4169c5a52c9d0bf64b7f84 waiting for completion of /kbuild-tests/build-queue/i386-randconfig-c1-06021140-12072cdd5c9b56bb6d4169c5a52c9d0bf64b7f84 waiting for completion of /kbuild-tests/build-queue/.i386-randconfig-c1-06021140-12072cdd5c9b56bb6d4169c5a52c9d0bf64b7f84 kernel: /kernel/i386-randconfig-c1-06021140/12072cdd5c9b56bb6d4169c5a52c9d0bf64b7f84/vmlinuz-3.15.0-rc8-01522-g12072cd 2014-06-02-12:30:12 detecting boot state .. 8 20 SUCCESS Bisecting: 627 revisions left to test after this (roughly 10 steps) [eb1a12ad1d5a7312a6f3dc6a8b77c51cbe58641e] Merge 'luto/auditsc-lite' into devel-hourly-2014060210 running /c/kernel-tests/bisect-test-boot-failure.sh /c/boot-bisect/linux4/obj-bisect ls -a /kbuild-tests/run-queue/kvm/i386-randconfig-c1-06021140/linux-devel:devel-hourly-2014060210:eb1a12ad1d5a7312a6f3dc6a8b77c51cbe58641e:bisect-linux4 2014-06-02-12:32:13 eb1a12ad1d5a7312a6f3dc6a8b77c51cbe58641e compiling Queued build task to /kbuild-tests/build-queue/i386-randconfig-c1-06021140-eb1a12ad1d5a7312a6f3dc6a8b77c51cbe58641e Check for kernel in /kernel/i386-randconfig-c1-06021140/eb1a12ad1d5a7312a6f3dc6a8b77c51cbe58641e waiting for completion of /kbuild-tests/build-queue/i386-randconfig-c1-06021140-eb1a12ad1d5a7312a6f3dc6a8b77c51cbe58641e waiting for completion of /kbuild-tests/build-queue/.i386-randconfig-c1-06021140-eb1a12ad1d5a7312a6f3dc6a8b77c51cbe58641e kernel: /kernel/i386-randconfig-c1-06021140/eb1a12ad1d5a7312a6f3dc6a8b77c51cbe58641e/vmlinuz-3.15.0-rc8-01931-geb1a12ad 2014-06-02-12:39:13 detecting boot state .... 11 20 SUCCESS Bisecting: 218 revisions left to test after this (roughly 8 steps) [d641155270aff21eacd2622e30129cd91fe8d2d2] Merge 'wsa/i2c/for-next' into devel-hourly-2014060210 running /c/kernel-tests/bisect-test-boot-failure.sh /c/boot-bisect/linux4/obj-bisect ls -a /kbuild-tests/run-queue/kvm/i386-randconfig-c1-06021140/linux-devel:devel-hourly-2014060210:d641155270aff21eacd2622e30129cd91fe8d2d2:bisect-linux4 2014-06-02-12:42:14 d641155270aff21eacd2622e30129cd91fe8d2d2 compiling Queued build task to /kbuild-tests/build-queue/i386-randconfig-c1-06021140-d641155270aff21eacd2622e30129cd91fe8d2d2 Check for kernel in /kernel/i386-randconfig-c1-06021140/d641155270aff21eacd2622e30129cd91fe8d2d2 waiting for completion of /kbuild-tests/build-queue/i386-randconfig-c1-06021140-d641155270aff21eacd2622e30129cd91fe8d2d2 waiting for completion of /kbuild-tests/build-queue/.i386-randconfig-c1-06021140-d641155270aff21eacd2622e30129cd91fe8d2d2 kernel: /kernel/i386-randconfig-c1-06021140/d641155270aff21eacd2622e30129cd91fe8d2d2/vmlinuz-3.15.0-rc8-02094-gd641155 2014-06-02-12:45:14 detecting boot state ......... 3 12 15 20 SUCCESS Bisecting: 55 revisions left to test after this (roughly 6 steps) [002fa82dac6f0be486333e6424968c0c42c0e799] Merge 'jbarnes/async' into devel-hourly-2014060210 running /c/kernel-tests/bisect-test-boot-failure.sh /c/boot-bisect/linux4/obj-bisect ls -a /kbuild-tests/run-queue/kvm/i386-randconfig-c1-06021140/linux-devel:devel-hourly-2014060210:002fa82dac6f0be486333e6424968c0c42c0e799:bisect-linux4 2014-06-02-12:51:45 002fa82dac6f0be486333e6424968c0c42c0e799 compiling Queued build task to /kbuild-tests/build-queue/i386-randconfig-c1-06021140-002fa82dac6f0be486333e6424968c0c42c0e799 Check for kernel in /kernel/i386-randconfig-c1-06021140/002fa82dac6f0be486333e6424968c0c42c0e799 waiting for completion of /kbuild-tests/build-queue/i386-randconfig-c1-06021140-002fa82dac6f0be486333e6424968c0c42c0e799 waiting for completion of /kbuild-tests/build-queue/.i386-randconfig-c1-06021140-002fa82dac6f0be486333e6424968c0c42c0e799 kernel: /kernel/i386-randconfig-c1-06021140/002fa82dac6f0be486333e6424968c0c42c0e799/vmlinuz-3.15.0-rc8-02099-g002fa82 2014-06-02-12:56:45 detecting boot state ....... 8 20 SUCCESS Bisecting: 50 revisions left to test after this (roughly 6 steps) [1ea52a9605be1234b7da3e4d134917c7ba3be93d] Merge 'jbarnes/async-fb-probe' into devel-hourly-2014060210 running /c/kernel-tests/bisect-test-boot-failure.sh /c/boot-bisect/linux4/obj-bisect ls -a /kbuild-tests/run-queue/kvm/i386-randconfig-c1-06021140/linux-devel:devel-hourly-2014060210:1ea52a9605be1234b7da3e4d134917c7ba3be93d:bisect-linux4 2014-06-02-13:01:15 1ea52a9605be1234b7da3e4d134917c7ba3be93d compiling Queued build task to /kbuild-tests/build-queue/i386-randconfig-c1-06021140-1ea52a9605be1234b7da3e4d134917c7ba3be93d Check for kernel in /kernel/i386-randconfig-c1-06021140/1ea52a9605be1234b7da3e4d134917c7ba3be93d waiting for completion of /kbuild-tests/build-queue/i386-randconfig-c1-06021140-1ea52a9605be1234b7da3e4d134917c7ba3be93d waiting for completion of /kbuild-tests/build-queue/.i386-randconfig-c1-06021140-1ea52a9605be1234b7da3e4d134917c7ba3be93d kernel: /kernel/i386-randconfig-c1-06021140/1ea52a9605be1234b7da3e4d134917c7ba3be93d/vmlinuz-3.15.0-rc8-02102-g1ea52a9 2014-06-02-13:12:15 detecting boot state ....... TEST FAILURE [ 62.172831] spin_lock-torture: Writes: Total: 2 Max/Min: 0/0 Fail: 0 [ 122.166756] spin_lock-torture: Writes: Total: 2 Max/Min: 0/0 Fail: 0 [ 182.156038] spin_lock-torture: Writes: Total: 2 Max/Min: 0/0 Fail: 0 [ 240.151770] INFO: task swapper:1 blocked for more than 120 seconds. [ 240.152501] Not tainted 3.15.0-rc8-02102-g1ea52a9 #1 [ 240.153073] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 240.153795] swapper D d1c29c24 5944 1 0 0x00000000 [ 240.154466] d1c29c48 00000046 00000000 d1c29c24 c183fa6c c2f25068 d1c22000 d1bc3034 [ 240.155355] c2f25068 d1bc3034 c2f25040 c2f25040 d1c29c1c c10bc29f d1bc302c c2f25040 [ 240.156297] d1c29c2c c10bc2e1 d1bc302c 00000001 00000001 c10bcaf8 00000002 c2f25040 [ 240.157121] Call Trace: [ 240.157445] [] ? rb_erase+0x3d/0x576 [ 240.157946] [] ? __dequeue_entity+0x4d/0x5f [ 240.158421] [] ? set_next_entity+0x30/0x63 [ 240.158856] [] ? pick_next_task_fair+0x267/0x29a [ 240.159405] [] __schedule+0x8fa/0xa82 [ 240.159866] [] schedule+0x145/0x155 [ 240.160323] [] schedule_preempt_disabled+0x2a/0x4e [ 240.160890] [] mutex_lock_nested+0x470/0x8cd [ 240.161474] [] ? drm_modeset_lock_all+0x23/0x80 [ 240.162002] [] ? drm_modeset_lock_all+0x23/0x80 [ 240.162530] [] drm_modeset_lock_all+0x23/0x80 [ 240.163025] [] drm_fb_helper_initial_config+0x2d0/0x78e [ 240.163582] [] ? debug_mutex_unlock+0x31a/0x3ca [ 240.164174] [] ? _mutex_lock_nest_lock+0x797/0x8c9 [ 240.164727] [] ? __mutex_unlock_slowpath+0x2eb/0x30f [ 240.165328] [] ? drm_modeset_unlock_all+0x63/0x76 [ 240.165954] [] cirrus_fbdev_init+0xf8/0x115 [ 240.166448] [] cirrus_modeset_init+0x2ee/0x3a9 [ 240.166968] [] ? cirrus_device_init+0x153/0x1e9 [ 240.167486] [] cirrus_driver_load+0x134/0x1c3 [ 240.168057] [] drm_dev_register+0xf0/0x1f4 [ 240.168597] [] drm_get_pci_dev+0x207/0x336 [ 240.169047] [] ? cirrus_kick_out_firmware_fb+0x11c/0x137 [ 240.169705] [] ? kfree+0x14e/0x1d4 [ 240.170095] [] cirrus_pci_probe+0x4c/0x5e [ 240.170563] [] pci_device_probe+0xd0/0x1a5 [ 240.171076] [] ? sysfs_create_link+0x20/0x30 [ 240.171605] [] driver_probe_device+0x137/0x3fe [ 240.172134] [] __driver_attach+0xa0/0xf4 [ 240.172643] [] bus_for_each_dev+0x96/0xf3 [ 240.173110] [] driver_attach+0x25/0x35 [ 240.173545] [] ? driver_probe_device+0x3fe/0x3fe [ 240.174108] [] bus_add_driver+0x161/0x389 [ 240.174599] [] driver_register+0x16e/0x1f6 [ 240.175038] [] ? __raw_spin_lock_init+0x49/0x78 [ 240.175582] [] __pci_register_driver+0x61/0x72 [ 240.176152] [] drm_pci_init+0x9d/0x18c [ 240.176642] [] ? ftrace_define_fields_i915_gem_object_create+0xa9/0xa9 [ 240.177353] [] cirrus_init+0x37/0x4f [ 240.177839] [] do_one_initcall+0xf4/0x26c [ 240.178305] [] ? enqueue_task_dl+0x358/0x705 [ 240.178811] [] ? strlen+0x1b/0x33 [ 240.179255] [] ? repair_env_string+0x32/0xd3 [ 240.179799] [] ? parse_args+0x328/0x4cd [ 240.180301] [] kernel_init_freeable+0x491/0x62a [ 240.180835] [] ? do_early_param+0x12b/0x12b [ 240.181412] [] kernel_init+0x19/0x1f6 [ 240.181869] [] ? schedule_tail+0x1a/0xa9 [ 240.182337] [] ret_from_kernel_thread+0x20/0x30 [ 240.182875] [] ? rest_init+0x1dd/0x1dd [ 240.183301] 5 locks held by swapper/1: [ 240.183665] #0: (&dev->mutex){......}, at: [] device_lock+0x1b/0x2b [ 240.184559] #1: (&dev->mutex){......}, at: [] device_lock+0x1b/0x2b [ 240.185319] #2: (drm_global_mutex){......}, at: [] drm_dev_register+0x24/0x1f4 [ 240.186198] #3: (&dev->mode_config.mutex){......}, at: [] drm_fb_helper_initial_config+0x2bb/0x78e [ 240.187179] #4: (&dev->mode_config.mutex){......}, at: [] drm_modeset_lock_all+0x23/0x80 [ 240.188221] sending NMI to all CPUs: [ 240.188594] NMI backtrace for cpu 0 [ 240.188907] CPU: 0 PID: 8 Comm: khungtaskd Not tainted 3.15.0-rc8-02102-g1ea52a9 #1 [ 240.189315] task: d1dd0410 ti: d1df8000 task.ti: d1df8000 [ 240.189315] EIP: 0060:[] EFLAGS: 00000046 CPU: 0 [ 240.189315] EIP is at native_apic_mem_write+0x20/0x30 [ 240.189315] EAX: ffffb300 EBX: 00000201 ECX: fffff000 EDX: 00000c00 [ 240.189315] ESI: 00000002 EDI: 01000000 EBP: d1df9e9c ESP: d1df9e9c [ 240.189315] DS: 007b ES: 007b FS: 0000 GS: 0000 SS: 0068 [ 240.189315] CR0: 8005003b CR2: 00000000 CR3: 0343b000 CR4: 000006d0 [ 240.189315] Stack: [ 240.189315] d1df9eb4 c104596c 00000800 00000246 00000001 00000000 d1df9ed0 c1045ea2 [ 240.189315] 00000002 00000000 00000002 d1c22000 d1c22000 d1df9ed8 c1045efe d1df9ee8 [ 240.189315] c10461dd c2d51f8b 00000002 d1df9f30 c11155c5 c2d5f8d7 c3474034 c2eea456 [ 240.189315] Call Trace: [ 240.189315] [] __default_send_IPI_dest_field+0xec/0x100 [ 240.189315] [] default_send_IPI_mask_logical+0x16c/0x17d [ 240.189315] [] default_send_IPI_all+0x38/0x94 [ 240.189315] [] arch_trigger_all_cpu_backtrace+0xc5/0x1b8 [ 240.189315] [] watchdog+0x55d/0x61a [ 240.189315] [] ? rcu_read_lock+0x81/0x81 [ 240.189315] [] kthread+0x115/0x128 [ 240.189315] [] ? lock_release+0x3ca/0x48a [ 240.189315] [] ret_from_kernel_thread+0x20/0x30 [ 240.189315] [] ? __kthread_unpark+0x9b/0x9b [ 240.189315] Code: 83 15 bc 0b 46 c3 00 89 c8 5d c3 55 89 e5 83 05 d0 0b 46 c3 01 83 15 d4 0b 46 c3 00 8b 0d b4 fe f0 c2 8d 84 08 00 c0 ff ff 89 10 <83> 05 d8 0b 46 c3 01 83 15 dc 0b 46 c3 00 5d c3 55 89 e5 09 c8 /kernel/i386-randconfig-c1-06021140/1ea52a9605be1234b7da3e4d134917c7ba3be93d/dmesg-quantal-ivb43-127:20140602131537:i386-randconfig-c1-06021140:3.15.0-rc8-02102-g1ea52a9:1 /kernel/i386-randconfig-c1-06021140/1ea52a9605be1234b7da3e4d134917c7ba3be93d/dmesg-yocto-ivb44-110:20140602131537:i386-randconfig-c1-06021140:3.15.0-rc8-02102-g1ea52a9:1 /kernel/i386-randconfig-c1-06021140/1ea52a9605be1234b7da3e4d134917c7ba3be93d/dmesg-yocto-ivb44-22:20140602131537:i386-randconfig-c1-06021140:3.15.0-rc8-02102-g1ea52a9:1 /kernel/i386-randconfig-c1-06021140/1ea52a9605be1234b7da3e4d134917c7ba3be93d/dmesg-quantal-ivb41-18:20140602131541:i386-randconfig-c1-06021140:3.15.0-rc8-02102-g1ea52a9:1 /kernel/i386-randconfig-c1-06021140/1ea52a9605be1234b7da3e4d134917c7ba3be93d/dmesg-quantal-ivb42-113:20140602131540:i386-randconfig-c1-06021140:3.15.0-rc8-02102-g1ea52a9:1 /kernel/i386-randconfig-c1-06021140/1ea52a9605be1234b7da3e4d134917c7ba3be93d/dmesg-quantal-ivb42-98:20140602131539:i386-randconfig-c1-06021140:3.15.0-rc8-02102-g1ea52a9:1 0:6:5 all_good:bad:all_bad boots linear-bisect: bad branch may be jbarnes/async-fb-probe linear-bisect: handle over to git bisect linear-bisect: git bisect start 1ea52a9605be1234b7da3e4d134917c7ba3be93d 002fa82dac6f0be486333e6424968c0c42c0e799 -- Bisecting: 0 revisions left to test after this (roughly 1 step) [f728080d6bac47aab2d570492acef88317ac8e03] drm/i915: make fbdev initialization asynchronous v2 linear-bisect: git bisect run /c/kernel-tests/bisect-test-boot-failure.sh /c/boot-bisect/linux4/obj-bisect running /c/kernel-tests/bisect-test-boot-failure.sh /c/boot-bisect/linux4/obj-bisect ls -a /kbuild-tests/run-queue/kvm/i386-randconfig-c1-06021140/linux-devel:devel-hourly-2014060210:f728080d6bac47aab2d570492acef88317ac8e03:bisect-linux4 2014-06-02-13:15:47 f728080d6bac47aab2d570492acef88317ac8e03 compiling Queued build task to /kbuild-tests/build-queue/i386-randconfig-c1-06021140-f728080d6bac47aab2d570492acef88317ac8e03 Check for kernel in /kernel/i386-randconfig-c1-06021140/f728080d6bac47aab2d570492acef88317ac8e03 waiting for completion of /kbuild-tests/build-queue/i386-randconfig-c1-06021140-f728080d6bac47aab2d570492acef88317ac8e03 waiting for completion of /kbuild-tests/build-queue/.i386-randconfig-c1-06021140-f728080d6bac47aab2d570492acef88317ac8e03 kernel: /kernel/i386-randconfig-c1-06021140/f728080d6bac47aab2d570492acef88317ac8e03/vmlinuz-3.15.0-rc5-00088-gf728080 2014-06-02-13:34:48 detecting boot state ............. TEST FAILURE [ 67.274155] spin_lock-torture: Writes: Total: 2 Max/Min: 0/0 Fail: 0 [ 127.384605] spin_lock-torture: Writes: Total: 2 Max/Min: 0/0 Fail: 0 [ 187.399602] spin_lock-torture: Writes: Total: 2 Max/Min: 0/0 Fail: 0 [ 243.677599] INFO: task swapper:1 blocked for more than 120 seconds. [ 243.678399] Not tainted 3.15.0-rc5-00088-gf728080 #1 [ 243.679044] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 243.679997] swapper D d1c29c0c 5944 1 0 0x00000000 [ 243.680809] d1c29c48 00000046 00000000 d1c29c0c c184b19a c2f31008 d1c22000 cbe5f034 [ 243.682037] c2f31008 cbe5f034 c2f30fe0 c2f30fe0 d1c29c1c c10bbfe0 cbe5f02c c2f30fe0 [ 243.683267] d1c29c2c c10bc022 cbe5f02c 00000001 00000001 c10bc839 00000002 c2f30fe0 [ 243.684320] Call Trace: [ 243.684692] [] ? rb_erase+0x28b/0x576 [ 243.685279] [] ? __dequeue_entity+0x4d/0x5f [ 243.685991] [] ? set_next_entity+0x30/0x63 [ 243.686752] [] ? pick_next_task_fair+0x267/0x29a [ 243.687618] [] __schedule+0x893/0xa1b [ 243.688166] [] schedule+0x145/0x155 [ 243.688770] [] schedule_preempt_disabled+0x2a/0x4e [ 243.689475] [] mutex_lock_nested+0x470/0x8cd [ 243.690242] [] ? drm_modeset_lock_all+0x23/0x80 [ 243.690893] [] ? drm_modeset_lock_all+0x23/0x80 [ 243.691680] [] drm_modeset_lock_all+0x23/0x80 [ 243.692322] [] drm_fb_helper_initial_config+0x2d0/0x78e [ 243.693177] [] ? debug_mutex_unlock+0x31a/0x3ca [ 243.693871] [] ? _mutex_lock_nest_lock+0x797/0x8c9 [ 243.694581] [] ? __mutex_unlock_slowpath+0x2eb/0x30f [ 243.695346] [] ? drm_modeset_unlock_all+0x63/0x76 [ 243.696037] [] cirrus_fbdev_init+0xf8/0x115 [ 243.696759] [] cirrus_modeset_init+0x2ee/0x3a9 [ 243.697469] [] ? cirrus_device_init+0x153/0x1e9 [ 243.698203] [] cirrus_driver_load+0x134/0x1c3 [ 243.698875] [] drm_dev_register+0xf0/0x1f4 [ 243.699635] [] drm_get_pci_dev+0x207/0x336 [ 243.700236] [] ? cirrus_kick_out_firmware_fb+0x11c/0x137 [ 243.701032] [] ? kfree+0x14e/0x1d4 [ 243.701612] [] cirrus_pci_probe+0x4c/0x5e [ 243.702236] [] pci_device_probe+0xd0/0x1a5 [ 243.702998] [] ? sysfs_create_link+0x20/0x30 [ 243.703793] [] driver_probe_device+0x137/0x3fe [ 243.704555] [] __driver_attach+0xa0/0xf4 [ 243.705285] [] bus_for_each_dev+0x96/0xf3 [ 243.705901] [] driver_attach+0x25/0x35 [ 243.706397] [] ? driver_probe_device+0x3fe/0x3fe [ 243.707105] [] bus_add_driver+0x161/0x389 [ 243.707729] [] driver_register+0x16e/0x1f6 [ 243.708319] [] ? __raw_spin_lock_init+0x49/0x78 [ 243.708942] [] __pci_register_driver+0x61/0x72 [ 243.709595] [] drm_pci_init+0x9d/0x18c [ 243.710180] [] ? ftrace_define_fields_i915_gem_object_create+0xa9/0xa9 [ 243.711064] [] cirrus_init+0x37/0x4f [ 243.711696] [] do_one_initcall+0xf4/0x26c [ 243.712342] [] ? strlen+0x1b/0x33 [ 243.712865] [] ? repair_env_string+0x32/0xd3 [ 243.713486] [] ? parse_args+0x328/0x4cd [ 243.714124] [] kernel_init_freeable+0x491/0x62a [ 243.714832] [] ? do_early_param+0x12b/0x12b [ 243.715401] [] kernel_init+0x19/0x1f6 [ 243.715935] [] ? schedule_tail+0x1a/0xa9 [ 243.716607] [] ret_from_kernel_thread+0x20/0x30 [ 243.717300] [] ? rest_init+0x1dd/0x1dd [ 243.717903] 5 locks held by swapper/1: [ 243.718398] #0: (&dev->mutex){......}, at: [] device_lock+0x1b/0x2b [ 243.719532] #1: (&dev->mutex){......}, at: [] device_lock+0x1b/0x2b [ 243.720582] #2: (drm_global_mutex){......}, at: [] drm_dev_register+0x24/0x1f4 [ 243.722000] #3: (&dev->mode_config.mutex){......}, at: [] drm_fb_helper_initial_config+0x2bb/0x78e [ 243.723556] #4: (&dev->mode_config.mutex){......}, at: [] drm_modeset_lock_all+0x23/0x80 [ 243.724897] sending NMI to all CPUs: [ 243.725357] NMI backtrace for cpu 0 [ 243.725832] CPU: 0 PID: 8 Comm: khungtaskd Not tainted 3.15.0-rc5-00088-gf728080 #1 [ 243.725992] task: d1dd0410 ti: d1df8000 task.ti: d1df8000 [ 243.725992] EIP: 0060:[] EFLAGS: 00000046 CPU: 0 [ 243.725992] EIP is at native_apic_mem_write+0x20/0x30 [ 243.725992] EAX: ffffb300 EBX: 00000201 ECX: fffff000 EDX: 00000c00 [ 243.725992] ESI: 00000002 EDI: 01000000 EBP: d1df9e9c ESP: d1df9e9c [ 243.725992] DS: 007b ES: 007b FS: 0000 GS: 0000 SS: 0068 [ 243.725992] CR0: 8005003b CR2: 00000000 CR3: 03448000 CR4: 000006d0 [ 243.725992] Stack: [ 243.725992] d1df9eb4 c1045a5c 00000800 00000246 00000001 00000000 d1df9ed0 c1045f92 [ 243.725992] 00000002 00000000 00000002 d1c22000 d1c22000 d1df9ed8 c1045fee d1df9ee8 [ 243.725992] c10462cd c2d5dcde 00000002 d1df9f30 c111fecf c2d6bb87 c3480e6c c2ef6456 [ 243.725992] Call Trace: [ 243.725992] [] __default_send_IPI_dest_field+0xec/0x100 [ 243.725992] [] default_send_IPI_mask_logical+0x16c/0x17d [ 243.725992] [] default_send_IPI_all+0x38/0x94 [ 243.725992] [] arch_trigger_all_cpu_backtrace+0xc5/0x1b8 [ 243.725992] [] watchdog+0x55d/0x61a [ 243.725992] [] ? rcu_read_lock+0x81/0x81 [ 243.725992] [] kthread+0x115/0x128 [ 243.725992] [] ? lock_release+0x3ca/0x48a [ 243.725992] [] ret_from_kernel_thread+0x20/0x30 [ 243.725992] [] ? __kthread_unpark+0x9b/0x9b [ 243.725992] Code: 83 15 f4 db 46 c3 00 89 c8 5d c3 55 89 e5 83 05 08 dc 46 c3 01 83 15 0c dc 46 c3 00 8b 0d 74 bd f1 c2 8d 84 08 00 c0 ff ff 89 10 <83> 05 10 dc 46 c3 01 83 15 14 dc 46 c3 00 5d c3 55 89 e5 09 c8 /kernel/i386-randconfig-c1-06021140/f728080d6bac47aab2d570492acef88317ac8e03/dmesg-quantal-ivb44-31:20140602134046:i386-randconfig-c1-06021140:3.15.0-rc5-00088-gf728080:1 /kernel/i386-randconfig-c1-06021140/f728080d6bac47aab2d570492acef88317ac8e03/dmesg-quantal-ivb44-34:20140602134046:i386-randconfig-c1-06021140:3.15.0-rc5-00088-gf728080:1 /kernel/i386-randconfig-c1-06021140/f728080d6bac47aab2d570492acef88317ac8e03/dmesg-quantal-ivb44-56:20140602134046:i386-randconfig-c1-06021140:3.15.0-rc5-00088-gf728080:1 /kernel/i386-randconfig-c1-06021140/f728080d6bac47aab2d570492acef88317ac8e03/dmesg-quantal-ivb44-57:20140602134046:i386-randconfig-c1-06021140:3.15.0-rc5-00088-gf728080:1 /kernel/i386-randconfig-c1-06021140/f728080d6bac47aab2d570492acef88317ac8e03/dmesg-quantal-ivb44-74:20140602134046:i386-randconfig-c1-06021140:3.15.0-rc5-00088-gf728080:1 /kernel/i386-randconfig-c1-06021140/f728080d6bac47aab2d570492acef88317ac8e03/dmesg-quantal-ivb44-95:20140602134046:i386-randconfig-c1-06021140:3.15.0-rc5-00088-gf728080:1 /kernel/i386-randconfig-c1-06021140/f728080d6bac47aab2d570492acef88317ac8e03/dmesg-yocto-ivb44-27:20140602134032:i386-randconfig-c1-06021140:3.15.0-rc5-00088-gf728080:1 /kernel/i386-randconfig-c1-06021140/f728080d6bac47aab2d570492acef88317ac8e03/dmesg-yocto-ivb44-5:20140602134032:i386-randconfig-c1-06021140:3.15.0-rc5-00088-gf728080:1 /kernel/i386-randconfig-c1-06021140/f728080d6bac47aab2d570492acef88317ac8e03/dmesg-yocto-ivb44-63:20140602134032:i386-randconfig-c1-06021140:3.15.0-rc5-00088-gf728080:1 /kernel/i386-randconfig-c1-06021140/f728080d6bac47aab2d570492acef88317ac8e03/dmesg-yocto-ivb44-64:20140602134032:i386-randconfig-c1-06021140:3.15.0-rc5-00088-gf728080:1 0:10:10 all_good:bad:all_bad boots 2014-06-02 13:41:18 REPEAT COUNT: 20 # /c/boot-bisect/linux4/obj-bisect/.repeat Bisecting: 0 revisions left to test after this (roughly 0 steps) [b739c9982801e5f76097311b67dfd76891b10988] drm: take modeset locks around initial fb helper probing running /c/kernel-tests/bisect-test-boot-failure.sh /c/boot-bisect/linux4/obj-bisect ls -a /kbuild-tests/run-queue/kvm/i386-randconfig-c1-06021140/linux-devel:devel-hourly-2014060210:b739c9982801e5f76097311b67dfd76891b10988:bisect-linux4 2014-06-02-13:41:19 b739c9982801e5f76097311b67dfd76891b10988 compiling Queued build task to /kbuild-tests/build-queue/i386-randconfig-c1-06021140-b739c9982801e5f76097311b67dfd76891b10988 Check for kernel in /kernel/i386-randconfig-c1-06021140/b739c9982801e5f76097311b67dfd76891b10988 waiting for completion of /kbuild-tests/build-queue/i386-randconfig-c1-06021140-b739c9982801e5f76097311b67dfd76891b10988 waiting for completion of /kbuild-tests/build-queue/.i386-randconfig-c1-06021140-b739c9982801e5f76097311b67dfd76891b10988 kernel: /kernel/i386-randconfig-c1-06021140/b739c9982801e5f76097311b67dfd76891b10988/vmlinuz-3.15.0-rc5-00087-gb739c99 2014-06-02-13:46:19 detecting boot state ......... TEST FAILURE [ 62.170544] spin_lock-torture: Writes: Total: 2 Max/Min: 0/0 Fail: 0 [ 122.161142] spin_lock-torture: Writes: Total: 2 Max/Min: 0/0 Fail: 0 [ 182.152986] spin_lock-torture: Writes: Total: 2 Max/Min: 0/0 Fail: 0 [ 240.135937] INFO: task swapper:1 blocked for more than 120 seconds. [ 240.136653] Not tainted 3.15.0-rc5-00087-gb739c99 #1 [ 240.137187] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 240.137987] swapper D d1c29c24 5944 1 0 0x00000000 [ 240.138691] d1c29c48 00000046 00000000 d1c29c24 c184af4c c2f31008 d1c22000 cc6f3034 [ 240.139560] c2f31008 cc6f3034 c2f30fe0 c2f30fe0 d1c29c1c c10bbfe0 cc6f302c c2f30fe0 [ 240.140494] d1c29c2c c10bc022 cc6f302c 00000001 00000001 c10bc839 00000002 c2f30fe0 [ 240.141425] Call Trace: [ 240.141737] [] ? rb_erase+0x3d/0x576 [ 240.142214] [] ? __dequeue_entity+0x4d/0x5f [ 240.142729] [] ? set_next_entity+0x30/0x63 [ 240.143209] [] ? pick_next_task_fair+0x267/0x29a [ 240.143809] [] __schedule+0x893/0xa1b [ 240.144293] [] schedule+0x145/0x155 [ 240.144794] [] schedule_preempt_disabled+0x2a/0x4e [ 240.145394] [] mutex_lock_nested+0x470/0x8cd [ 240.145953] [] ? drm_modeset_lock_all+0x23/0x80 [ 240.146487] [] ? drm_modeset_lock_all+0x23/0x80 [ 240.147046] [] drm_modeset_lock_all+0x23/0x80 [ 240.147579] [] drm_fb_helper_initial_config+0x2d0/0x78e [ 240.148212] [] ? debug_mutex_unlock+0x31a/0x3ca [ 240.148782] [] ? _mutex_lock_nest_lock+0x797/0x8c9 [ 240.149389] [] ? __mutex_unlock_slowpath+0x2eb/0x30f [ 240.150001] [] ? drm_modeset_unlock_all+0x63/0x76 [ 240.150601] [] cirrus_fbdev_init+0xf8/0x115 [ 240.151109] [] cirrus_modeset_init+0x2ee/0x3a9 [ 240.151628] [] ? cirrus_device_init+0x153/0x1e9 [ 240.152213] [] cirrus_driver_load+0x134/0x1c3 [ 240.152771] [] drm_dev_register+0xf0/0x1f4 [ 240.153312] [] drm_get_pci_dev+0x207/0x336 [ 240.153820] [] ? cirrus_kick_out_firmware_fb+0x11c/0x137 [ 240.154484] [] ? kfree+0x14e/0x1d4 [ 240.154935] [] cirrus_pci_probe+0x4c/0x5e [ 240.155411] [] pci_device_probe+0xd0/0x1a5 [ 240.155961] [] ? sysfs_create_link+0x20/0x30 [ 240.156523] [] driver_probe_device+0x137/0x3fe [ 240.157070] [] __driver_attach+0xa0/0xf4 [ 240.157578] [] bus_for_each_dev+0x96/0xf3 [ 240.158099] [] driver_attach+0x25/0x35 [ 240.158588] [] ? driver_probe_device+0x3fe/0x3fe [ 240.159118] [] bus_add_driver+0x161/0x389 [ 240.159604] [] driver_register+0x16e/0x1f6 [ 240.160161] [] ? __raw_spin_lock_init+0x49/0x78 [ 240.160785] [] __pci_register_driver+0x61/0x72 [ 240.161357] [] drm_pci_init+0x9d/0x18c [ 240.161877] [] ? ftrace_define_fields_i915_gem_object_create+0xa9/0xa9 [ 240.162630] [] cirrus_init+0x37/0x4f [ 240.163073] [] do_one_initcall+0xf4/0x26c [ 240.163556] [] ? enqueue_task_dl+0x617/0x705 [ 240.164112] [] ? strlen+0x19/0x33 [ 240.164549] [] ? repair_env_string+0x32/0xd3 [ 240.165083] [] ? parse_args+0x328/0x4cd [ 240.165593] [] kernel_init_freeable+0x491/0x62a [ 240.166155] [] ? do_early_param+0x12b/0x12b [ 240.166692] [] kernel_init+0x19/0x1f6 [ 240.167161] [] ? schedule_tail+0x1a/0xa9 [ 240.167643] [] ret_from_kernel_thread+0x20/0x30 [ 240.168197] [] ? rest_init+0x1dd/0x1dd [ 240.168695] 5 locks held by swapper/1: [ 240.169078] #0: (&dev->mutex){......}, at: [] device_lock+0x1b/0x2b [ 240.169945] #1: (&dev->mutex){......}, at: [] device_lock+0x1b/0x2b [ 240.170756] #2: (drm_global_mutex){......}, at: [] drm_dev_register+0x24/0x1f4 [ 240.171643] #3: (&dev->mode_config.mutex){......}, at: [] drm_fb_helper_initial_config+0x2bb/0x78e [ 240.172773] #4: (&dev->mode_config.mutex){......}, at: [] drm_modeset_lock_all+0x23/0x80 [ 240.173820] sending NMI to all CPUs: [ 240.174221] NMI backtrace for cpu 0 [ 240.174583] CPU: 0 PID: 8 Comm: khungtaskd Not tainted 3.15.0-rc5-00087-gb739c99 #1 [ 240.175309] task: d1dd0410 ti: d1df8000 task.ti: d1df8000 [ 240.175883] EIP: 0060:[] EFLAGS: 00000046 CPU: 0 [ 240.175903] EIP is at native_apic_mem_write+0x20/0x30 [ 240.175903] EAX: ffffb300 EBX: 00000201 ECX: fffff000 EDX: 00000c00 [ 240.175903] ESI: 00000002 EDI: 01000000 EBP: d1df9e9c ESP: d1df9e9c [ 240.175903] DS: 007b ES: 007b FS: 0000 GS: 0000 SS: 0068 [ 240.175903] CR0: 8005003b CR2: 00000000 CR3: 03448000 CR4: 000006d0 [ 240.175903] Stack: [ 240.175903] d1df9eb4 c1045a5c 00000800 00000246 00000001 00000000 d1df9ed0 c1045f92 [ 240.175903] 00000002 00000000 00000002 d1c22000 d1c22000 d1df9ed8 c1045fee d1df9ee8 [ 240.175903] c10462cd c2d5dce2 00000002 d1df9f30 c111fecf c2d6bb8b c3480e6c c2ef6456 [ 240.175903] Call Trace: [ 240.175903] [] __default_send_IPI_dest_field+0xec/0x100 [ 240.175903] [] default_send_IPI_mask_logical+0x16c/0x17d [ 240.175903] [] default_send_IPI_all+0x38/0x94 [ 240.175903] [] arch_trigger_all_cpu_backtrace+0xc5/0x1b8 [ 240.175903] [] watchdog+0x55d/0x61a [ 240.175903] [] ? rcu_read_lock+0x81/0x81 [ 240.175903] [] kthread+0x115/0x128 [ 240.175903] [] ? lock_release+0x3ca/0x48a [ 240.175903] [] ret_from_kernel_thread+0x20/0x30 [ 240.175903] [] ? __kthread_unpark+0x9b/0x9b [ 240.175903] Code: 83 15 f4 db 46 c3 00 89 c8 5d c3 55 89 e5 83 05 08 dc 46 c3 01 83 15 0c dc 46 c3 00 8b 0d 74 bd f1 c2 8d 84 08 00 c0 ff ff 89 10 <83> 05 10 dc 46 c3 01 83 15 14 dc 46 c3 00 5d c3 55 89 e5 09 c8 /kernel/i386-randconfig-c1-06021140/b739c9982801e5f76097311b67dfd76891b10988/dmesg-yocto-ivb44-12:20140602135025:i386-randconfig-c1-06021140:3.15.0-rc5-00087-gb739c99:1 /kernel/i386-randconfig-c1-06021140/b739c9982801e5f76097311b67dfd76891b10988/dmesg-yocto-ivb44-19:20140602135025:i386-randconfig-c1-06021140:3.15.0-rc5-00087-gb739c99:1 /kernel/i386-randconfig-c1-06021140/b739c9982801e5f76097311b67dfd76891b10988/dmesg-yocto-ivb44-48:20140602135025:i386-randconfig-c1-06021140:3.15.0-rc5-00087-gb739c99:1 /kernel/i386-randconfig-c1-06021140/b739c9982801e5f76097311b67dfd76891b10988/dmesg-yocto-ivb42-33:20140602135026:i386-randconfig-c1-06021140:3.15.0-rc5-00087-gb739c99:1 /kernel/i386-randconfig-c1-06021140/b739c9982801e5f76097311b67dfd76891b10988/dmesg-yocto-ivb42-52:20140602135026:i386-randconfig-c1-06021140:3.15.0-rc5-00087-gb739c99:1 /kernel/i386-randconfig-c1-06021140/b739c9982801e5f76097311b67dfd76891b10988/dmesg-yocto-ivb42-69:20140602135027:i386-randconfig-c1-06021140:3.15.0-rc5-00087-gb739c99:1 /kernel/i386-randconfig-c1-06021140/b739c9982801e5f76097311b67dfd76891b10988/dmesg-quantal-ivb41-49:20140602135036:i386-randconfig-c1-06021140:3.15.0-rc5-00087-gb739c99:1 /kernel/i386-randconfig-c1-06021140/b739c9982801e5f76097311b67dfd76891b10988/dmesg-quantal-ivb41-99:20140602135036:i386-randconfig-c1-06021140:3.15.0-rc5-00087-gb739c99:1 /kernel/i386-randconfig-c1-06021140/b739c9982801e5f76097311b67dfd76891b10988/dmesg-quantal-ivb42-105:20140602135036:i386-randconfig-c1-06021140:3.15.0-rc5-00087-gb739c99:1 /kernel/i386-randconfig-c1-06021140/b739c9982801e5f76097311b67dfd76891b10988/dmesg-quantal-ivb42-21:20140602135040:i386-randconfig-c1-06021140:3.15.0-rc5-00087-gb739c99:1 /kernel/i386-randconfig-c1-06021140/b739c9982801e5f76097311b67dfd76891b10988/dmesg-quantal-ivb42-28:20140602135036:i386-randconfig-c1-06021140:3.15.0-rc5-00087-gb739c99:1 0:12:11 all_good:bad:all_bad boots b739c9982801e5f76097311b67dfd76891b10988 is the first bad commit commit b739c9982801e5f76097311b67dfd76891b10988 Author: Jesse Barnes Date: Wed May 28 10:21:17 2014 -0700 drm: take modeset locks around initial fb helper probing Drivers ought to complain otherwise. Signed-off-by: Jesse Barnes :040000 040000 0c5b6c15dcb7b92f3faff8857663d80b783c990e 838f2727901c5e74d4d2a9cf5abea7b2b40cc771 M drivers bisect run success Previous HEAD position was b739c99... drm: take modeset locks around initial fb helper probing HEAD is now at 071f9c5... drm/i915/vlv: enable PPGTT ls -a /kbuild-tests/run-queue/kvm/i386-randconfig-c1-06021140/linux-devel:devel-hourly-2014060210:071f9c57eea4876288ba1254c9ac3b0f077c2dd6:bisect-linux4 2014-06-02-13:50:51 071f9c57eea4876288ba1254c9ac3b0f077c2dd6 compiling Queued build task to /kbuild-tests/build-queue/i386-randconfig-c1-06021140-071f9c57eea4876288ba1254c9ac3b0f077c2dd6 Check for kernel in /kernel/i386-randconfig-c1-06021140/071f9c57eea4876288ba1254c9ac3b0f077c2dd6 waiting for completion of /kbuild-tests/build-queue/i386-randconfig-c1-06021140-071f9c57eea4876288ba1254c9ac3b0f077c2dd6 waiting for completion of /kbuild-tests/build-queue/.i386-randconfig-c1-06021140-071f9c57eea4876288ba1254c9ac3b0f077c2dd6 kernel: /kernel/i386-randconfig-c1-06021140/071f9c57eea4876288ba1254c9ac3b0f077c2dd6/vmlinuz-3.15.0-rc5-00086-g071f9c5 2014-06-02-13:54:51 detecting boot state ..... 1 4. 6 8. 27 48 60 SUCCESS Previous HEAD position was 071f9c5... drm/i915/vlv: enable PPGTT HEAD is now at 5dba024... 0day head guard for 'devel-hourly-2014060210' ls -a /kbuild-tests/run-queue/kvm/i386-randconfig-c1-06021140/linux-devel:devel-hourly-2014060210:5dba024fe84a491ec3ca15193923fcbb938e68f7:bisect-linux4 TEST FAILURE [ 68.059009] spin_lock-torture: Writes: Total: 2 Max/Min: 0/0 Fail: 0 [ 129.163156] spin_lock-torture: Writes: Total: 2 Max/Min: 0/0 Fail: 0 [ 189.224466] spin_lock-torture: Writes: Total: 2 Max/Min: 0/0 Fail: 0 [ 246.542426] INFO: task swapper:1 blocked for more than 120 seconds. [ 246.543437] Not tainted 3.15.0-rc8-02149-g5dba024 #9 [ 246.544299] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 246.545525] swapper D d1c29c24 5944 1 0 0x00000000 [ 246.546579] d1c29c48 00000046 00000000 d1c29c24 c183fa6c c2f27068 d1c22000 cb810034 [ 246.547921] c2f27068 cb810034 c2f27040 c2f27040 d1c29c1c c10bc29f cb81002c c2f27040 [ 246.549333] d1c29c2c c10bc2e1 cb81002c 00000001 00000001 c10bcaf8 00000002 c2f27040 [ 246.550708] Call Trace: [ 246.551166] [] ? rb_erase+0x3d/0x576 [ 246.565024] [] ? __dequeue_entity+0x4d/0x5f [ 246.565812] [] ? set_next_entity+0x30/0x63 [ 246.566637] [] ? pick_next_task_fair+0x267/0x29a [ 246.567513] [] __schedule+0x8fa/0xa82 [ 246.568227] [] schedule+0x145/0x155 [ 246.568971] [] schedule_preempt_disabled+0x2a/0x4e [ 246.569846] [] mutex_lock_nested+0x470/0x8cd [ 246.570673] [] ? drm_modeset_lock_all+0x23/0x80 [ 246.571518] [] ? drm_modeset_lock_all+0x23/0x80 [ 246.572398] [] drm_modeset_lock_all+0x23/0x80 [ 246.573213] [] drm_fb_helper_initial_config+0x2d0/0x78e [ 246.574160] [] ? debug_mutex_unlock+0x31a/0x3ca [ 246.575086] [] ? _mutex_lock_nest_lock+0x797/0x8c9 [ 246.575988] [] ? __mutex_unlock_slowpath+0x2eb/0x30f [ 246.576932] [] ? drm_modeset_unlock_all+0x63/0x76 [ 246.577843] [] cirrus_fbdev_init+0xf8/0x115 [ 246.578632] [] cirrus_modeset_init+0x2ee/0x3a9 [ 246.579474] [] ? cirrus_device_init+0x153/0x1e9 [ 246.580271] [] cirrus_driver_load+0x134/0x1c3 [ 246.581133] [] drm_dev_register+0xf0/0x1f4 [ 246.581914] [] drm_get_pci_dev+0x207/0x336 [ 246.582674] [] ? cirrus_kick_out_firmware_fb+0x11c/0x137 [ 246.583679] [] ? kfree+0x14e/0x1d4 [ 246.584360] [] cirrus_pci_probe+0x4c/0x5e [ 246.585136] [] pci_device_probe+0xd0/0x1a5 [ 246.585905] [] ? sysfs_create_link+0x20/0x30 [ 246.586740] [] driver_probe_device+0x137/0x3fe [ 246.587615] [] __driver_attach+0xa0/0xf4 [ 246.588335] [] bus_for_each_dev+0x96/0xf3 [ 246.589159] [] driver_attach+0x25/0x35 [ 246.589906] [] ? driver_probe_device+0x3fe/0x3fe [ 246.603873] [] bus_add_driver+0x161/0x389 [ 246.604676] [] driver_register+0x16e/0x1f6 [ 246.605465] [] ? __raw_spin_lock_init+0x49/0x78 [ 246.606267] [] __pci_register_driver+0x61/0x72 [ 246.607138] [] drm_pci_init+0x9d/0x18c [ 246.607895] [] ? ftrace_define_fields_i915_gem_object_create+0xa9/0xa9 [ 246.609028] [] cirrus_init+0x37/0x4f [ 246.609762] [] do_one_initcall+0xf4/0x26c [ 246.610548] [] ? repair_env_string+0x32/0xd3 [ 246.611381] [] ? parse_args+0x328/0x4cd [ 246.612108] [] kernel_init_freeable+0x491/0x62a [ 246.613015] [] ? do_early_param+0x12b/0x12b [ 246.613833] [] kernel_init+0x19/0x1f6 [ 246.614548] [] ? schedule_tail+0x1a/0xa9 [ 246.615329] [] ret_from_kernel_thread+0x20/0x30 [ 246.616183] [] ? rest_init+0x1dd/0x1dd [ 246.629988] 5 locks held by swapper/1: [ 246.630589] #0: (&dev->mutex){......}, at: [] device_lock+0x1b/0x2b [ 246.631869] #1: (&dev->mutex){......}, at: [] device_lock+0x1b/0x2b [ 246.633124] #2: (drm_global_mutex){......}, at: [] drm_dev_register+0x24/0x1f4 [ 246.634528] #3: (&dev->mode_config.mutex){......}, at: [] drm_fb_helper_initial_config+0x2bb/0x78e [ 246.636203] #4: (&dev->mode_config.mutex){......}, at: [] drm_modeset_lock_all+0x23/0x80 [ 246.637748] sending NMI to all CPUs: [ 246.638348] NMI backtrace for cpu 0 [ 246.638892] CPU: 0 PID: 8 Comm: khungtaskd Not tainted 3.15.0-rc8-02149-g5dba024 #9 [ 246.640066] task: d1dd0410 ti: d1df8000 task.ti: d1df8000 [ 246.640854] EIP: 0060:[] EFLAGS: 00000046 CPU: 0 [ 246.640854] EIP is at native_apic_mem_write+0x20/0x30 [ 246.640854] EAX: ffffb300 EBX: 00000201 ECX: fffff000 EDX: 00000c00 [ 246.640854] ESI: 00000002 EDI: 01000000 EBP: d1df9e9c ESP: d1df9e9c [ 246.640854] DS: 007b ES: 007b FS: 0000 GS: 0000 SS: 0068 [ 246.640854] CR0: 8005003b CR2: 00000000 CR3: 0343e000 CR4: 000006d0 [ 246.640854] Stack: [ 246.640854] d1df9eb4 c104596c 00000800 00000246 00000001 00000000 d1df9ed0 c1045ea2 [ 246.640854] 00000002 00000000 00000002 d1c22000 d1c22000 d1df9ed8 c1045efe d1df9ee8 [ 246.640854] c10461dd c2d53877 00000002 d1df9f30 c11155c5 c2d611c3 c3477034 c2eec456 [ 246.640854] Call Trace: [ 246.640854] [] __default_send_IPI_dest_field+0xec/0x100 [ 246.640854] [] default_send_IPI_mask_logical+0x16c/0x17d [ 246.640854] [] default_send_IPI_all+0x38/0x94 [ 246.640854] [] arch_trigger_all_cpu_backtrace+0xc5/0x1b8 [ 246.640854] [] watchdog+0x55d/0x61a [ 246.640854] [] ? rcu_read_lock+0x81/0x81 [ 246.640854] [] kthread+0x115/0x128 [ 246.640854] [] ? lock_release+0x3ca/0x48a [ 246.640854] [] ret_from_kernel_thread+0x20/0x30 [ 246.640854] [] ? __kthread_unpark+0x9b/0x9b [ 246.640854] Code: 83 15 bc 3b 46 c3 00 89 c8 5d c3 55 89 e5 83 05 d0 3b 46 c3 01 83 15 d4 3b 46 c3 00 8b 0d b4 1e f1 c2 8d 84 08 00 c0 ff ff 89 10 <83> 05 d8 3b 46 c3 01 83 15 dc 3b 46 c3 00 5d c3 55 89 e5 09 c8 /kernel/i386-randconfig-c1-06021140/5dba024fe84a491ec3ca15193923fcbb938e68f7/dmesg-yocto-ivb42-27:20140602120442:i386-randconfig-c1-06021140:3.15.0-rc8-02149-g5dba024:9 /kernel/i386-randconfig-c1-06021140/5dba024fe84a491ec3ca15193923fcbb938e68f7/dmesg-quantal-ivb44-98:20140602120432:i386-randconfig-c1-06021140:3.15.0-rc8-02149-g5dba024:9 /kernel/i386-randconfig-c1-06021140/5dba024fe84a491ec3ca15193923fcbb938e68f7/dmesg-yocto-ivb44-127:20140602120426:i386-randconfig-c1-06021140:3.15.0-rc8-02149-g5dba024:9 /kernel/i386-randconfig-c1-06021140/5dba024fe84a491ec3ca15193923fcbb938e68f7/dmesg-yocto-ivb44-15:20140602120427:i386-randconfig-c1-06021140:3.15.0-rc8-02149-g5dba024:9 /kernel/i386-randconfig-c1-06021140/5dba024fe84a491ec3ca15193923fcbb938e68f7/dmesg-quantal-ivb43-98:20140602120433:i386-randconfig-c1-06021140:3.15.0-rc8-02149-g5dba024:9 /kernel/i386-randconfig-c1-06021140/5dba024fe84a491ec3ca15193923fcbb938e68f7/dmesg-yocto-ivb44-39:20140602115032:i386-randconfig-c1-06021140:3.15.0-rc8-02149-g5dba024:9 /kernel/i386-randconfig-c1-06021140/5dba024fe84a491ec3ca15193923fcbb938e68f7/dmesg-yocto-ivb44-2:20140602120406:i386-randconfig-c1-06021140:3.15.0-rc8-02149-g5dba024:9 /kernel/i386-randconfig-c1-06021140/5dba024fe84a491ec3ca15193923fcbb938e68f7/dmesg-yocto-ivb43-71:20140602120450:i386-randconfig-c1-06021140:3.15.0-rc8-02149-g5dba024:9 /kernel/i386-randconfig-c1-06021140/5dba024fe84a491ec3ca15193923fcbb938e68f7/dmesg-quantal-ivb44-78:20140602120432:i386-randconfig-c1-06021140:3.15.0-rc8-02149-g5dba024:9 /kernel/i386-randconfig-c1-06021140/5dba024fe84a491ec3ca15193923fcbb938e68f7/dmesg-yocto-ivb44-80:20140602115027:i386-randconfig-c1-06021140:3.15.0-rc8-02149-g5dba024:9 /kernel/i386-randconfig-c1-06021140/5dba024fe84a491ec3ca15193923fcbb938e68f7/dmesg-yocto-ivb41-27:20140602120435:i386-randconfig-c1-06021140:3.15.0-rc8-02149-g5dba024:9 /kernel/i386-randconfig-c1-06021140/5dba024fe84a491ec3ca15193923fcbb938e68f7/dmesg-quantal-ivb44-67:20140602120432:i386-randconfig-c1-06021140:3.15.0-rc8-02149-g5dba024:9 /kernel/i386-randconfig-c1-06021140/5dba024fe84a491ec3ca15193923fcbb938e68f7/dmesg-quantal-ivb44-15:20140602115027:i386-randconfig-c1-06021140:3.15.0-rc8-02149-g5dba024:9 0:13:13 all_good:bad:all_bad boots HEAD is now at 5dba024 0day head guard for 'devel-hourly-2014060210' ========= upstream ========= Previous HEAD position was 5dba024... 0day head guard for 'devel-hourly-2014060210' HEAD is now at fad01e8... Linux 3.15-rc8 ls -a /kbuild-tests/run-queue/kvm/i386-randconfig-c1-06021140/linus:master:fad01e866afdbe01a1f3ec06a39c3a8b9e197014:bisect-linux4 2014-06-02-14:01:55 fad01e866afdbe01a1f3ec06a39c3a8b9e197014 reuse /kernel/i386-randconfig-c1-06021140/fad01e866afdbe01a1f3ec06a39c3a8b9e197014/vmlinuz-3.15.0-rc8 2014-06-02-14:01:55 detecting boot state ......... 34 49 55 58 60 SUCCESS ========= linux-next ========= From git://gitmirror/next * [new branch] akpm -> next/akpm * [new branch] akpm-base -> next/akpm-base * [new branch] master -> next/master * [new branch] stable -> next/stable From git://gitmirror/next * [new tag] next-20130320 -> next-20130320 * [new tag] next-20130321 -> next-20130321 * [new tag] next-20130322 -> next-20130322 * [new tag] next-20130325 -> next-20130325 * [new tag] next-20130326 -> next-20130326 * [new tag] next-20130327 -> next-20130327 * [new tag] next-20130328 -> next-20130328 * [new tag] next-20130402 -> next-20130402 * [new tag] next-20130403 -> next-20130403 * [new tag] next-20130404 -> next-20130404 * [new tag] next-20130405 -> next-20130405 * [new tag] next-20130408 -> next-20130408 * [new tag] next-20130409 -> next-20130409 * [new tag] next-20130410 -> next-20130410 * [new tag] next-20130411 -> next-20130411 * [new tag] next-20130412 -> next-20130412 * [new tag] next-20130415 -> next-20130415 * [new tag] next-20130416 -> next-20130416 * [new tag] next-20130417 -> next-20130417 * [new tag] next-20130418 -> next-20130418 * [new tag] next-20130419 -> next-20130419 * [new tag] next-20130422 -> next-20130422 * [new tag] next-20130423 -> next-20130423 * [new tag] next-20130424 -> next-20130424 * [new tag] next-20130426 -> next-20130426 * [new tag] next-20130429 -> next-20130429 * [new tag] next-20130430 -> next-20130430 * [new tag] next-20130501 -> next-20130501 * [new tag] next-20130502 -> next-20130502 * [new tag] next-20130503 -> next-20130503 * [new tag] next-20130506 -> next-20130506 * [new tag] next-20130507 -> next-20130507 * [new tag] next-20130508 -> next-20130508 * [new tag] next-20130509 -> next-20130509 * [new tag] next-20130510 -> next-20130510 * [new tag] next-20130513 -> next-20130513 * [new tag] next-20130514 -> next-20130514 * [new tag] next-20130515 -> next-20130515 * [new tag] next-20130516 -> next-20130516 * [new tag] next-20130517 -> next-20130517 * [new tag] next-20130520 -> next-20130520 * [new tag] next-20130521 -> next-20130521 * [new tag] next-20130522 -> next-20130522 * [new tag] next-20130523 -> next-20130523 * [new tag] next-20130527 -> next-20130527 * [new tag] next-20130528 -> next-20130528 * [new tag] next-20130529 -> next-20130529 * [new tag] next-20130530 -> next-20130530 * [new tag] next-20130531 -> next-20130531 * [new tag] next-20130603 -> next-20130603 * [new tag] next-20130604 -> next-20130604 * [new tag] next-20130605 -> next-20130605 * [new tag] next-20130606 -> next-20130606 * [new tag] next-20130607 -> next-20130607 * [new tag] next-20130617 -> next-20130617 * [new tag] next-20130618 -> next-20130618 * [new tag] next-20130619 -> next-20130619 * [new tag] next-20130620 -> next-20130620 * [new tag] next-20130621 -> next-20130621 * [new tag] next-20130624 -> next-20130624 * [new tag] next-20130625 -> next-20130625 * [new tag] next-20130626 -> next-20130626 * [new tag] next-20130627 -> next-20130627 * [new tag] next-20130628 -> next-20130628 * [new tag] next-20130701 -> next-20130701 * [new tag] next-20130702 -> next-20130702 * [new tag] next-20130703 -> next-20130703 * [new tag] next-20130704 -> next-20130704 * [new tag] next-20130705 -> next-20130705 * [new tag] next-20130708 -> next-20130708 * [new tag] next-20130709 -> next-20130709 * [new tag] next-20130710 -> next-20130710 * [new tag] next-20130711 -> next-20130711 * [new tag] next-20130712 -> next-20130712 * [new tag] next-20130715 -> next-20130715 * [new tag] next-20130716 -> next-20130716 * [new tag] next-20130717 -> next-20130717 * [new tag] next-20130718 -> next-20130718 * [new tag] next-20130719 -> next-20130719 * [new tag] next-20130722 -> next-20130722 * [new tag] next-20130723 -> next-20130723 * [new tag] next-20130724 -> next-20130724 * [new tag] next-20130725 -> next-20130725 * [new tag] next-20130726 -> next-20130726 * [new tag] next-20130729 -> next-20130729 * [new tag] next-20130730 -> next-20130730 * [new tag] next-20130731 -> next-20130731 * [new tag] next-20130801 -> next-20130801 * [new tag] next-20130802 -> next-20130802 * [new tag] next-20130805 -> next-20130805 * [new tag] next-20130806 -> next-20130806 * [new tag] next-20130807 -> next-20130807 * [new tag] next-20130808 -> next-20130808 * [new tag] next-20130809 -> next-20130809 * [new tag] next-20130812 -> next-20130812 * [new tag] next-20130813 -> next-20130813 * [new tag] next-20130814 -> next-20130814 * [new tag] next-20130815 -> next-20130815 * [new tag] next-20130816 -> next-20130816 * [new tag] next-20130819 -> next-20130819 * [new tag] next-20130820 -> next-20130820 * [new tag] next-20130821 -> next-20130821 * [new tag] next-20130822 -> next-20130822 * [new tag] next-20130827 -> next-20130827 * [new tag] next-20130828 -> next-20130828 * [new tag] next-20130829 -> next-20130829 * [new tag] next-20130830 -> next-20130830 * [new tag] next-20130902 -> next-20130902 * [new tag] next-20130903 -> next-20130903 * [new tag] next-20130904 -> next-20130904 * [new tag] next-20130905 -> next-20130905 * [new tag] next-20130906 -> next-20130906 * [new tag] next-20130909 -> next-20130909 * [new tag] next-20130910 -> next-20130910 * [new tag] next-20130911 -> next-20130911 * [new tag] next-20130912 -> next-20130912 * [new tag] next-20130913 -> next-20130913 * [new tag] next-20130916 -> next-20130916 * [new tag] next-20130917 -> next-20130917 * [new tag] next-20130918 -> next-20130918 * [new tag] next-20130919 -> next-20130919 * [new tag] next-20130920 -> next-20130920 * [new tag] next-20130923 -> next-20130923 * [new tag] next-20130924 -> next-20130924 * [new tag] next-20130925 -> next-20130925 * [new tag] next-20130926 -> next-20130926 * [new tag] next-20130927 -> next-20130927 * [new tag] next-20131029 -> next-20131029 * [new tag] next-20131030 -> next-20131030 * [new tag] next-20131031 -> next-20131031 * [new tag] next-20131101 -> next-20131101 * [new tag] next-20131104 -> next-20131104 * [new tag] next-20131105 -> next-20131105 * [new tag] next-20131106 -> next-20131106 * [new tag] next-20131107 -> next-20131107 * [new tag] next-20131108 -> next-20131108 * [new tag] next-20131111 -> next-20131111 * [new tag] next-20131112 -> next-20131112 * [new tag] next-20131113 -> next-20131113 * [new tag] next-20131114 -> next-20131114 * [new tag] next-20131115 -> next-20131115 * [new tag] next-20131118 -> next-20131118 * [new tag] next-20131119 -> next-20131119 * [new tag] next-20131120 -> next-20131120 * [new tag] next-20131121 -> next-20131121 * [new tag] next-20131122 -> next-20131122 * [new tag] next-20131125 -> next-20131125 * [new tag] next-20131126 -> next-20131126 * [new tag] next-20131127 -> next-20131127 * [new tag] next-20131128 -> next-20131128 * [new tag] next-20131129 -> next-20131129 * [new tag] next-20131202 -> next-20131202 * [new tag] next-20131203 -> next-20131203 * [new tag] next-20131204 -> next-20131204 * [new tag] next-20131205 -> next-20131205 * [new tag] next-20131206 -> next-20131206 * [new tag] next-20131209 -> next-20131209 * [new tag] next-20131210 -> next-20131210 * [new tag] next-20131211 -> next-20131211 * [new tag] next-20131212 -> next-20131212 * [new tag] next-20131213 -> next-20131213 * [new tag] next-20131216 -> next-20131216 * [new tag] next-20131217 -> next-20131217 * [new tag] next-20131218 -> next-20131218 * [new tag] next-20131219 -> next-20131219 * [new tag] next-20131220 -> next-20131220 * [new tag] next-20131223 -> next-20131223 * [new tag] next-20131224 -> next-20131224 * [new tag] next-20140106 -> next-20140106 * [new tag] next-20140107 -> next-20140107 * [new tag] next-20140108 -> next-20140108 * [new tag] next-20140109 -> next-20140109 * [new tag] next-20140110 -> next-20140110 * [new tag] next-20140113 -> next-20140113 * [new tag] next-20140114 -> next-20140114 * [new tag] next-20140115 -> next-20140115 * [new tag] next-20140116 -> next-20140116 * [new tag] next-20140117 -> next-20140117 * [new tag] next-20140120 -> next-20140120 * [new tag] next-20140121 -> next-20140121 * [new tag] next-20140122 -> next-20140122 * [new tag] next-20140123 -> next-20140123 * [new tag] next-20140124 -> next-20140124 * [new tag] next-20140128 -> next-20140128 * [new tag] next-20140129 -> next-20140129 * [new tag] next-20140130 -> next-20140130 * [new tag] next-20140131 -> next-20140131 * [new tag] next-20140203 -> next-20140203 * [new tag] next-20140204 -> next-20140204 * [new tag] next-20140205 -> next-20140205 * [new tag] next-20140206 -> next-20140206 * [new tag] next-20140207 -> next-20140207 * [new tag] next-20140210 -> next-20140210 * [new tag] next-20140211 -> next-20140211 * [new tag] next-20140212 -> next-20140212 * [new tag] next-20140213 -> next-20140213 * [new tag] next-20140214 -> next-20140214 * [new tag] next-20140217 -> next-20140217 * [new tag] next-20140218 -> next-20140218 * [new tag] next-20140219 -> next-20140219 * [new tag] next-20140220 -> next-20140220 * [new tag] next-20140221 -> next-20140221 * [new tag] next-20140224 -> next-20140224 * [new tag] next-20140225 -> next-20140225 * [new tag] next-20140226 -> next-20140226 * [new tag] next-20140227 -> next-20140227 * [new tag] next-20140228 -> next-20140228 * [new tag] next-20140303 -> next-20140303 * [new tag] next-20140304 -> next-20140304 * [new tag] next-20140305 -> next-20140305 * [new tag] next-20140306 -> next-20140306 * [new tag] next-20140307 -> next-20140307 * [new tag] next-20140311 -> next-20140311 * [new tag] next-20140312 -> next-20140312 * [new tag] next-20140313 -> next-20140313 * [new tag] next-20140314 -> next-20140314 * [new tag] next-20140317 -> next-20140317 * [new tag] next-20140318 -> next-20140318 * [new tag] next-20140319 -> next-20140319 * [new tag] next-20140320 -> next-20140320 * [new tag] next-20140321 -> next-20140321 * [new tag] next-20140324 -> next-20140324 * [new tag] next-20140325 -> next-20140325 * [new tag] next-20140326 -> next-20140326 * [new tag] next-20140327 -> next-20140327 * [new tag] next-20140328 -> next-20140328 * [new tag] next-20140331 -> next-20140331 * [new tag] next-20140401 -> next-20140401 * [new tag] next-20140402 -> next-20140402 * [new tag] next-20140403 -> next-20140403 * [new tag] next-20140407 -> next-20140407 * [new tag] next-20140408 -> next-20140408 * [new tag] next-20140409 -> next-20140409 * [new tag] next-20140410 -> next-20140410 * [new tag] next-20140411 -> next-20140411 * [new tag] next-20140414 -> next-20140414 * [new tag] next-20140415 -> next-20140415 * [new tag] next-20140416 -> next-20140416 * [new tag] next-20140417 -> next-20140417 * [new tag] next-20140422 -> next-20140422 * [new tag] next-20140423 -> next-20140423 * [new tag] next-20140424 -> next-20140424 * [new tag] next-20140428 -> next-20140428 * [new tag] next-20140429 -> next-20140429 * [new tag] next-20140430 -> next-20140430 * [new tag] next-20140501 -> next-20140501 * [new tag] next-20140502 -> next-20140502 * [new tag] next-20140505 -> next-20140505 * [new tag] next-20140506 -> next-20140506 * [new tag] next-20140507 -> next-20140507 * [new tag] next-20140508 -> next-20140508 * [new tag] next-20140509 -> next-20140509 * [new tag] next-20140512 -> next-20140512 * [new tag] next-20140513 -> next-20140513 * [new tag] next-20140514 -> next-20140514 * [new tag] next-20140515 -> next-20140515 * [new tag] next-20140516 -> next-20140516 * [new tag] next-20140519 -> next-20140519 * [new tag] next-20140520 -> next-20140520 * [new tag] next-20140521 -> next-20140521 * [new tag] next-20140522 -> next-20140522 * [new tag] next-20140523 -> next-20140523 * [new tag] next-20140526 -> next-20140526 * [new tag] next-20140527 -> next-20140527 * [new tag] next-20140528 -> next-20140528 * [new tag] next-20140529 -> next-20140529 * [new tag] next-20140530 -> next-20140530 Previous HEAD position was fad01e8... Linux 3.15-rc8 HEAD is now at 322c030... Add linux-next specific files for 20140530 ls -a /kbuild-tests/run-queue/kvm/i386-randconfig-c1-06021140/next:master:322c030f5462a44ce42f8804284eb52b7cd2ba41:bisect-linux4 2014-06-02-14:10:54 322c030f5462a44ce42f8804284eb52b7cd2ba41 compiling Queued build task to /kbuild-tests/build-queue/i386-randconfig-c1-06021140-322c030f5462a44ce42f8804284eb52b7cd2ba41 Check for kernel in /kernel/i386-randconfig-c1-06021140/322c030f5462a44ce42f8804284eb52b7cd2ba41 waiting for completion of /kbuild-tests/build-queue/i386-randconfig-c1-06021140-322c030f5462a44ce42f8804284eb52b7cd2ba41 waiting for completion of /kbuild-tests/build-queue/.i386-randconfig-c1-06021140-322c030f5462a44ce42f8804284eb52b7cd2ba41 kernel: /kernel/i386-randconfig-c1-06021140/322c030f5462a44ce42f8804284eb52b7cd2ba41/vmlinuz-3.15.0-rc7-next-20140530 2014-06-02-14:17:54 detecting boot state ........ 3 4 9 12 13 21 44 60 SUCCESS