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Date: Tue, 6 Sep 2016 14:38:26 +0800
From: kernel test robot <xiaolong.ye@...el.com>
To: Jens Axboe <axboe@...com>
Cc: LKML <linux-kernel@...r.kernel.org>, Jens Axboe <axboe@...com>,
Jens Axboe <axboe@...nel.dk>, lkp@...org
Subject: [lkp] [blk] a133ac2428: kernel BUG at block/blk-mq.c:365!
FYI, we noticed the following commit:
https://git.kernel.org/pub/scm/linux/kernel/git/axboe/linux-block.git blk-dio
commit a133ac2428bd3dde4e7e17415c1409ce8a3d8468 ("blk-mq: private O_DIRECT implementation")
in testcase: boot
on test machine: qemu-system-x86_64 -enable-kvm -cpu host -smp 2 -m 2G
caused below changes:
+----------------------------------------------------------------------------------------+----------+------------+
| | v4.8-rc1 | a133ac2428 |
+----------------------------------------------------------------------------------------+----------+------------+
| boot_successes | 3149 | 9 |
| boot_failures | 607 | 67 |
| BUG:kernel_early-boot_hang_Unable_to_boot-please_use_a_kernel_appropriate_for_your_CPU | 18 | |
| WARNING:at_kernel/trace/ftrace.c:#ftrace_bug | 35 | |
| backtrace:perf_ftrace_event_register | 29 | |
| backtrace:perf_trace_init | 29 | |
| backtrace:perf_tp_event_init | 29 | |
| backtrace:perf_try_init_event | 29 | |
| backtrace:perf_event_alloc | 29 | |
| backtrace:SyS_perf_event_open | 29 | |
| calltrace:SyS_writev | 2 | |
| Mem-Info | 41 | |
| invoked_oom-killer:gfp_mask=0x | 39 | |
| BUG:kernel_reboot-without-warning_in_test_stage | 93 | 31 |
| backtrace:do_writev | 11 | |
| backtrace:SyS_writev | 11 | |
| Out_of_memory:Kill_process | 11 | |
| calltrace:SyS_fallocate | 1 | |
| Kernel_panic-not_syncing:Out_of_memory_and_no_killable_processes | 13 | |
| BUG:kernel_early-boot_hang | 411 | |
| BUG:kernel_hang_in_early-boot_stage | 9 | |
| backtrace:_do_fork | 2 | |
| backtrace:SyS_clone | 2 | |
| backtrace:do_pwritev | 3 | |
| backtrace:SyS_pwritev | 3 | |
| calltrace:SyS_perf_event_open | 1 | |
| backtrace:register_ftrace_graph | 5 | |
| backtrace:graph_trace_init | 5 | |
| backtrace:tracer_init | 5 | |
| backtrace:vfs_write | 5 | |
| backtrace:SyS_write | 5 | |
| BUG:unable_to_handle_kernel | 2 | 25 |
| Oops | 2 | 25 |
| RIP:__remove_shared_vm_struct | 2 | |
| Kernel_panic-not_syncing:Fatal_exception | 2 | |
| BUG:kernel_test_crashed | 1 | |
| calltrace:SyS_pwritev | 1 | |
| calltrace:_do_fork | 1 | |
| general_protection_fault:#[##]SMP | 0 | 3 |
| RIP:blk_update_request | 0 | 20 |
| Kernel_panic-not_syncing:Fatal_exception_in_interrupt | 0 | 36 |
| RIP:__blk_recalc_rq_segments | 0 | 7 |
| calltrace:SyS_newfstat | 0 | 1 |
| kernel_BUG_at_block/blk-mq.c | 0 | 8 |
| invalid_opcode:#[##]SMP | 0 | 8 |
| RIP:blk_mq_end_request | 0 | 8 |
| calltrace:SyS_read | 0 | 7 |
| calltrace:SyS_ioctl | 0 | 4 |
| calltrace:SyS_lseek | 0 | 1 |
| calltrace:SyS_epoll_wait | 0 | 3 |
| calltrace:SyS_open | 0 | 1 |
| calltrace:SyS_recvmsg | 0 | 1 |
| calltrace:SyS_close | 0 | 1 |
+----------------------------------------------------------------------------------------+----------+------------+
Starting Copy rules generated while the root was ro...
Starting LSB: MD array assembly...
[ 57.797519] ------------[ cut here ]------------
[ 57.811932] kernel BUG at block/blk-mq.c:365!
[ 57.829143] invalid opcode: 0000 [#1] SMP
[ 57.842429] Modules linked in:
[ 57.855103] CPU: 0 PID: 2081 Comm: mdadm Not tainted 4.8.0-rc1-00001-ga133ac2 #1
[ 57.886411] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Debian-1.8.2-1 04/01/2014
[ 57.944546] task: ffff8800690c3300 task.stack: ffff88007ed40000
[ 57.965927] RIP: 0010:[<ffffffff814dad39>] [<ffffffff814dad39>] blk_mq_end_request+0x1e/0x5c
[ 57.993930] RSP: 0000:ffff880078803f20 EFLAGS: 00010002
[ 58.009261] RAX: 0000000000000001 RBX: ffff88007f960000 RCX: 0000000000000000
[ 58.027535] RDX: ffff88007f3c8c00 RSI: 0000000000000000 RDI: 0000000000000000
[ 58.045648] RBP: ffff880078803f30 R08: ffff8800502b5500 R09: 0000000000000000
[ 58.063764] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[ 58.081881] R13: ffff88007f960000 R14: ffffffff81eac2a4 R15: 0000000000000000
[ 58.099957] FS: 00007f6939c9a700(0000) GS:ffff880078800000(0000) knlGS:0000000000000000
[ 58.126694] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 58.142670] CR2: 0000000000adebf8 CR3: 000000007ecbb000 CR4: 00000000000006f0
[ 58.187522] Stack:
[ 58.207772] ffff88007f960010 ffffffff814d9a0e ffff880078803f40 ffffffff815ddf3f
[ 58.249168] ffff880078803f50 ffffffff814d9a21 ffff880078803f88 ffffffff8116dc5c
[ 58.282192] 0000000000000004 00007ffc39b12230 00007ffc39b12370 00000000ffffffff
[ 58.311136] Call Trace:
[ 58.321182] <IRQ>
[ 58.324676] [<ffffffff814d9a0e>] ? __blk_mq_end_request+0x44/0x44
[ 58.347431] [<ffffffff815ddf3f>] virtblk_request_done+0x5e/0x60
[ 58.363498] [<ffffffff814d9a21>] __blk_mq_complete_request_remote+0x13/0x15
[ 58.379927] [<ffffffff8116dc5c>] flush_smp_call_function_queue+0xcd/0x13e
[ 58.392306] [<ffffffff8116e4fd>] generic_smp_call_function_single_interrupt+0x13/0x4a
[ 58.414965] [<ffffffff81079011>] smp_call_function_single_interrupt+0x27/0x35
[ 58.448334] [<ffffffff81ab299c>] call_function_single_interrupt+0x8c/0xa0
[ 58.481132] <EOI>
[ 58.486060] Code: 48 83 c4 28 5b 41 5c 41 5d 41 5e 5d c3 66 66 66 66 90 55 48 89 e5 41 54 53 8b 57 58 48 89 fb 41 89 f4 e8 85 7c ff ff 84 c0 74 02 <0f> 0b 48 89 df e8 86 7f ff ff 48 8b 83 98 01 00 00 48 85 c0 74
[ 58.613383] RIP [<ffffffff814dad39>] blk_mq_end_request+0x1e/0x5c
[ 58.628289] RSP <ffff880078803f20>
[ 58.636807] ---[ end trace 32dcd69f8d2fefb4 ]---
[ 58.648181] Kernel panic - not syncing: Fatal exception in interrupt
Thanks,
Xiaolong
View attachment "config-4.8.0-rc1-00001-ga133ac2" of type "text/plain" (98070 bytes)
Download attachment "dmesg.xz" of type "application/octet-stream" (17052 bytes)
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