Greetings, 0day kernel testing robot got the below dmesg and the first bad commit is git://internal_merge_and_test_tree devel-hourly-2017022318 commit ecc369bebb06fe232b09fcbe1d40839db0c6467d Merge: 1a11428 0e954b1 Author: 0day robot <fengguang.wu(a)intel.com&gt; AuthorDate: Thu Feb 23 18:58:19 2017 +0800 Commit: 0day robot <fengguang.wu(a)intel.com&gt; CommitDate: Thu Feb 23 18:58:19 2017 +0800 Merge 'nfsd/nfsd-next' into devel-hourly-2017022318 1a11428c16 Merge 'linux-review/Mariusz-Bialonczyk/w1-add-DS2438-support-documentation-and-small-fixes/20170223-144441' into devel-hourly-2017022318 0e954b1e9d nfsd: special case truncates some more ecc369bebb Merge 'nfsd/nfsd-next' into devel-hourly-2017022318 +-------------------------------------------------------+------------+------------+------------+ | | 1a11428c16 | 0e954b1e9d | ecc369bebb | +-------------------------------------------------------+------------+------------+------------+ | boot_successes | 138 | 155 | 0 | | boot_failures | 0 | 2 | 49 | | IP-Config:Auto-configuration_of_network_failed | 0 | 2 | 2 | | BUG:unable_to_handle_kernel | 0 | 0 | 47 | | Oops | 0 | 0 | 47 | | EIP:serial_ir_irq_handler | 0 | 0 | 47 | | EIP:hardware_init_port | 0 | 0 | 47 | | Kernel_panic-not_syncing:Fatal_exception_in_interrupt | 0 | 0 | 47 | +-------------------------------------------------------+------------+------------+------------+ [ 4.221694] input: rc-core loopback device as /devices/virtual/rc/rc0/input5 [ 4.222328] evbug: Connected device: input5 (rc-core loopback device at rc-core/virtual) [ 4.223100] input: MCE IR Keyboard/Mouse (rc-loopback) as /devices/virtual/input/input6 [ 4.223936] evbug: Connected device: input6 (MCE IR Keyboard/Mouse (rc-loopback) at /input0) [ 4.224647] rc rc0: lirc_dev: driver ir-lirc-codec (rc-loopback) registered at minor = 0 [ 4.225484] BUG: unable to handle kernel NULL pointer dereference at 0000039c [ 4.225921] IP: serial_ir_irq_handler+0x189/0x410 [ 4.226204] *pde = 00000000 [ 4.226204] [ 4.226472] Oops: 0000 [#1] PREEMPT SMP DEBUG_PAGEALLOC [ 4.226793] CPU: 0 PID: 1 Comm: swapper/0 Not tainted 4.10.0-06046-gecc369b #2 [ 4.226910] task: c0068040 task.stack: c0066000 [ 4.226910] EIP: serial_ir_irq_handler+0x189/0x410 [ 4.226910] EFLAGS: 00210046 CPU: 0 [ 4.226910] EAX: 00000000 EBX: 00000000 ECX: 000000b0 EDX: 00000000 [ 4.226910] ESI: 000003f8 EDI: 00000101 EBP: c008df88 ESP: c008df44 [ 4.226910] DS: 007b ES: 007b FS: 00d8 GS: 0000 SS: 0068 [ 4.226910] CR0: 80050033 CR2: 0000039c CR3: 120e9000 CR4: 000006d0 [ 4.226910] DR0: 00000000 DR1: 00000000 DR2: 00000000 DR3: 00000000 [ 4.226910] DR6: fffe0ff0 DR7: 00000400 [ 4.226910] Call Trace: [ 4.226910] <IRQ> [ 4.226910] __handle_irq_event_percpu+0x57/0x100 [ 4.226910] ? handle_edge_irq+0x12/0x120 [ 4.226910] handle_irq_event_percpu+0x1d/0x50 [ 4.226910] handle_irq_event+0x32/0x60 [ 4.226910] handle_edge_irq+0xa5/0x120 [ 4.226910] ? handle_fasteoi_irq+0x150/0x150 [ 4.226910] handle_irq+0x9d/0xd0 [ 4.226910] </IRQ> [ 4.226910] do_IRQ+0x5f/0x130 [ 4.226910] ? __this_cpu_preempt_check+0xf/0x20 [ 4.226910] common_interrupt+0x33/0x38 [ 4.226910] EIP: hardware_init_port+0x3f/0x190 [ 4.226910] EFLAGS: 00200246 CPU: 0 [ 4.226910] EAX: d158ba0f EBX: 00000000 ECX: 00000000 EDX: 000003f9 [ 4.226910] ESI: 000003f9 EDI: 000003f8 EBP: c0067d98 ESP: c0067d84 [ 4.226910] DS: 007b ES: 007b FS: 00d8 GS: 0000 SS: 0068 [ 4.226910] ? serial_ir_open+0x3f/0xa0 [ 4.226910] ? show_parconfig_smsc37c669+0x14b/0x170 [ 4.226910] serial_ir_probe+0xbb/0x300 [ 4.226910] platform_drv_probe+0x48/0xb0 [ 4.226910] driver_probe_device+0x161/0x500 [ 4.226910] ? acpi_driver_match_device+0x36/0x50 [ 4.226910] __device_attach_driver+0x77/0x110 [ 4.226910] ? klist_next+0x82/0xf0 [ 4.226910] ? __driver_attach+0xf0/0xf0 [ 4.226910] bus_for_each_drv+0x47/0x80 [ 4.226910] __device_attach+0xb5/0x130 [ 4.226910] ? __driver_attach+0xf0/0xf0 [ 4.226910] device_initial_probe+0xd/0x10 [ 4.226910] bus_probe_device+0x77/0x80 [ 4.226910] device_add+0x37e/0x5f0 [ 4.226910] ? kobject_set_name_vargs+0x6b/0x90 [ 4.226910] platform_device_add+0xfd/0x290 [ 4.226910] serial_ir_init_module+0xa6/0x269 [ 4.226910] ? gpio_ir_recv_driver_init+0x11/0x11 [ 4.226910] do_one_initcall+0x7e/0x121 [ 4.226910] ? kernel_init_freeable+0xec/0x188 [ 4.226910] kernel_init_freeable+0x10f/0x188 [ 4.226910] ? rest_init+0x110/0x110 [ 4.226910] kernel_init+0xb/0x100 [ 4.226910] ? schedule_tail+0x20/0x80 [ 4.226910] ? rest_init+0x110/0x110 [ 4.226910] ret_from_fork+0x21/0x2c [ 4.226910] Code: 89 15 64 8e c9 d2 84 db ba 02 00 00 00 74 08 8b 0d ac 8e c9 d2 d3 e2 01 f2 ec 24 01 84 c0 0f 84 ce fe ff ff a1 68 8e c9 d2 31 d2 <8b> 80 9c 03 00 00 e8 4c 62 73 ff 8b 15 c0 28 ef d1 01 c2 b8 70 [ 4.226910] EIP: serial_ir_irq_handler+0x189/0x410 SS:ESP: 0068:c008df44 [ 4.226910] CR2: 000000000000039c [ 4.226910] ---[ end trace c50ea67af86e6288 ]--- [ 4.226910] Kernel panic - not syncing: Fatal exception in interrupt git bisect start 74ada5fb1d5116434de3060c8f83f3b6da9d7a8f c470abd4fde40ea6a0846a2beab642a578c0b8cd -- git bisect bad d03364dc0006815bc63c84319679f5577fd40fd6 # 09:57 0- 26 Merge 'linux-review/Shanker-Donthineni/arm64-Fix-the-kernel-panic-on-QDF2400-platform/20170223-112801' into devel-hourly-2017022318 git bisect bad 6f4335e18547b9db274f5761d8a28adbc8a8a785 # 09:57 0- 26 Merge 'linux-review/Elaine-Zhang/clk-rockchip-add-pll_wait_lock-for-pll_enable/20170222-120523' into devel-hourly-2017022318 git bisect bad 00bb32e425b982b706df9c11740b2aee7cbe3420 # 09:57 0- 26 Merge 'linux-review/Finn-Thain/scsi-mac_scsi-Fix-MAC_SCSI-m-option-when-SCSI-m/20170223-061255' into devel-hourly-2017022318 git bisect good 1a11428c16c7e1f8ac3426af34d710bb7d2bcceb # 10:08 22+ 0 Merge 'linux-review/Mariusz-Bialonczyk/w1-add-DS2438-support-documentation-and-small-fixes/20170223-144441' into devel-hourly-2017022318 git bisect bad be4a6b5b1b5fcf59884261ad4dc7bccd72068af1 # 10:08 0- 27 Merge 'slave-dma/next' into devel-hourly-2017022318 git bisect bad ecc369bebb06fe232b09fcbe1d40839db0c6467d # 11:37 0- 49 Merge 'nfsd/nfsd-next' into devel-hourly-2017022318 git bisect good c2ccf64a6c4bf3bcbf4e6e6b94a51500991022a1 # 19:24 22+ 3 svcrdma: Clean up backchannel send header encoding git bisect good f7d1ddbe7648af7460d23688c8c131342eb43b3a # 19:44 22+ 2 nfsd/callback: Cleanup callback cred on shutdown git bisect good 7323f0d2881bbd426ce6bc0a956ef9e739ffe767 # 19:58 21+ 5 NFSD: Reserve adequate space for LOCKT operation git bisect good 758e99fefe1d9230111296956335cd35995c0eaf # 20:04 20+ 2 nfsd: minor nfsd_setattr cleanup git bisect good 0e954b1e9d2cc4bc0f79e06764b7347f323aaff2 # 23:22 22+ 2 nfsd: special case truncates some more # first bad commit: [ecc369bebb06fe232b09fcbe1d40839db0c6467d] Merge 'nfsd/nfsd-next' into devel-hourly-2017022318 git bisect good 1a11428c16c7e1f8ac3426af34d710bb7d2bcceb # 23:34 65+ 0 Merge 'linux-review/Mariusz-Bialonczyk/w1-add-DS2438-support-documentation-and-small-fixes/20170223-144441' into devel-hourly-2017022318 git bisect good 0e954b1e9d2cc4bc0f79e06764b7347f323aaff2 # 23:43 60+ 2 nfsd: special case truncates some more # extra tests with CONFIG_DEBUG_INFO_REDUCED # extra tests on HEAD of linux-devel/devel-hourly-2017022318 git bisect bad e34ceceb62355da2f071256a491700830f1c1350 # 23:51 0- 13 0day head guard for 'devel-hourly-2017022318' # extra tests on tree/branch linux-devel/devel-hourly-2017022318 git bisect bad e34ceceb62355da2f071256a491700830f1c1350 # 00:04 0- 13 0day head guard for 'devel-hourly-2017022318' --- 0-DAY kernel test infrastructure Open Source Technology Center https://lists.01.org/pipermail/lkp Intel Corporation