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Message-ID: <20171130131620.rm7sndeoahgjm7jb@wfg-t540p.sh.intel.com>
Date: Thu, 30 Nov 2017 21:16:20 +0800
From: Fengguang Wu <fengguang.wu@...el.com>
To: netdev@...r.kernel.org
Cc: Jiri Pirko <jiri@...lanox.com>, linux-kernel@...r.kernel.org,
lkp@...org
Subject: [test_parman_move] watchdog: BUG: soft lockup - CPU#0 stuck for 22s!
[swapper:1]
Hello,
FYI this happens in mainline kernel 4.15.0-rc1.
It at least dates back to v4.12 .
It occurs in 2 out of 2 boots.
[ 95.347718] test passed
[ 95.359028] test_printf: all 260 tests passed
[ 96.656859] test_bitmap: test 13: input is '0-2047:128/256' OK, Time: 3332
[ 96.770961] test_bitmap: all 460506 tests passed
[ 96.783469] test_uuid: all 18 tests passed
[ 124.230111] watchdog: BUG: soft lockup - CPU#0 stuck for 22s! [swapper:1]
[ 124.230111] CPU: 0 PID: 1 Comm: swapper Not tainted 4.15.0-rc1 #360
[ 124.230111] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.10.2-1 04/01/2014
[ 124.230111] task: d3430000 task.stack: d342c000
[ 124.230111] EIP: test_parman_move+0xe/0xb0:
test_parman_move at lib/test_parman.c:119
[ 124.230111] EFLAGS: 00200212 CPU: 0
[ 124.230111] EAX: d0c00000 EBX: 00000004 ECX: 00000930 EDX: 0000090c
[ 124.230111] ESI: d0740324 EDI: d359f680 EBP: d342dec4 ESP: d342debc
[ 124.230111] DS: 007b ES: 007b FS: 0000 GS: 0000 SS: 0068
[ 124.230111] CR0: 80050033 CR2: 00000000 CR3: 02b2b000 CR4: 000006b0
[ 124.230111] Call Trace:
[ 124.230111] parman_lsort_item_add+0x9d/0x190:
__list_del_entry at include/linux/list.h:117
(inlined by) list_move_tail at include/linux/list.h:182
(inlined by) parman_prio_shift_down at lib/parman.c:144
(inlined by) parman_lsort_item_add at lib/parman.c:200
[ 124.230111] parman_item_add+0x9/0x10:
parman_item_add at lib/parman.c:356
[ 124.230111] test_parman_init+0x358/0x3b5:
test_parman_run at lib/test_parman.c:284
(inlined by) test_parman_lsort at lib/test_parman.c:369
(inlined by) test_parman_init at lib/test_parman.c:383
[ 124.230111] ? test_uuid_init+0x1a9/0x1a9:
test_parman_init at lib/test_parman.c:382
[ 124.230111] do_one_initcall+0x7c/0x10e:
do_one_initcall at init/main.c:826
[ 124.230111] ? kernel_init_freeable+0xc3/0x15b:
do_initcall_level at init/main.c:891
(inlined by) do_initcalls at init/main.c:900
(inlined by) do_basic_setup at init/main.c:918
(inlined by) kernel_init_freeable at init/main.c:1066
[ 124.230111] kernel_init_freeable+0xe3/0x15b:
do_initcall_level at init/main.c:892
(inlined by) do_initcalls at init/main.c:900
(inlined by) do_basic_setup at init/main.c:918
(inlined by) kernel_init_freeable at init/main.c:1066
[ 124.230111] ? rest_init+0xc0/0xc0:
kernel_init at init/main.c:990
[ 124.230111] kernel_init+0xb/0xf0:
kernel_init at init/main.c:995
[ 124.230111] ? schedule_tail_wrapper+0x9/0xc:
schedule_tail_wrapper at arch/x86/entry/entry_32.S:267
[ 124.230111] ret_from_fork+0x19/0x24:
ret_from_fork at arch/x86/entry/entry_32.S:299
[ 124.230111] Code: e8 48 5f c2 00 5d 85 c0 0f 94 c0 0f b6 c0 c3 90 90 90 90 90 90 90 90 90 90 90 90 90 90 55 89 e5 57 53 8b 5d 08 8b 40 04 c1 e3 02 <8d> 3c 90 89 fa 8d 04 88 89 d9 e8 a3 be c2 00 83 fb 08 89 da 73
[ 124.230111] Kernel panic - not syncing: softlockup: hung tasks
[ 124.230111] CPU: 0 PID: 1 Comm: swapper Tainted: G L 4.15.0-rc1 #360
[ 124.230111] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.10.2-1 04/01/2014
[ 124.230111] Call Trace:
[ 124.230111] dump_stack+0x16/0x19:
dump_stack at lib/dump_stack.c:64
[ 124.230111] panic+0x86/0x1bd:
panic at kernel/panic.c:194
[ 124.230111] watchdog_timer_fn+0x1e7/0x1f0:
watchdog_timer_fn at kernel/watchdog.c:443
[ 124.230111] ? watchdog+0x20/0x20:
watchdog_timer_fn at kernel/watchdog.c:340
[ 124.230111] hrtimer_run_queues+0xf3/0x1d0:
__run_hrtimer at kernel/time/hrtimer.c:1211
(inlined by) __hrtimer_run_queues at kernel/time/hrtimer.c:1275
(inlined by) hrtimer_run_queues at kernel/time/hrtimer.c:1414
[ 124.230111] run_local_timers+0x8/0x40:
run_local_timers at kernel/time/timer.c:1700
[ 124.230111] update_process_times+0x22/0x50:
update_process_times at kernel/time/timer.c:1630
[ 124.230111] tick_nohz_handler+0x66/0x100:
tick_nohz_handler at kernel/time/tick-sched.c:1068
[ 124.230111] smp_apic_timer_interrupt+0x40/0x80:
exiting_irq at arch/x86/include/asm/apic.h:540
(inlined by) smp_apic_timer_interrupt at arch/x86/kernel/apic/apic.c:1052
[ 124.230111] ? irq_exit+0x2f/0xb0:
tick_irq_exit at kernel/softirq.c:385
(inlined by) irq_exit at kernel/softirq.c:407
[ 124.230111] apic_timer_interrupt+0x35/0x3c:
apic_timer_interrupt at arch/x86/include/asm/entry_arch.h:36
[ 124.230111] EIP: test_parman_move+0xe/0xb0:
test_parman_move at lib/test_parman.c:119
[ 124.230111] EFLAGS: 00200212 CPU: 0
[ 124.230111] EAX: d0c00000 EBX: 00000004 ECX: 00000930 EDX: 0000090c
[ 124.230111] ESI: d0740324 EDI: d359f680 EBP: d342dec4 ESP: d342debc
[ 124.230111] DS: 007b ES: 007b FS: 0000 GS: 0000 SS: 0068
[ 124.230111] parman_lsort_item_add+0x9d/0x190:
__list_del_entry at include/linux/list.h:117
(inlined by) list_move_tail at include/linux/list.h:182
(inlined by) parman_prio_shift_down at lib/parman.c:144
(inlined by) parman_lsort_item_add at lib/parman.c:200
[ 124.230111] parman_item_add+0x9/0x10:
parman_item_add at lib/parman.c:356
[ 124.230111] test_parman_init+0x358/0x3b5:
test_parman_run at lib/test_parman.c:284
(inlined by) test_parman_lsort at lib/test_parman.c:369
(inlined by) test_parman_init at lib/test_parman.c:383
[ 124.230111] ? test_uuid_init+0x1a9/0x1a9:
test_parman_init at lib/test_parman.c:382
[ 124.230111] do_one_initcall+0x7c/0x10e:
do_one_initcall at init/main.c:826
[ 124.230111] ? kernel_init_freeable+0xc3/0x15b:
do_initcall_level at init/main.c:891
(inlined by) do_initcalls at init/main.c:900
(inlined by) do_basic_setup at init/main.c:918
(inlined by) kernel_init_freeable at init/main.c:1066
[ 124.230111] kernel_init_freeable+0xe3/0x15b:
do_initcall_level at init/main.c:892
(inlined by) do_initcalls at init/main.c:900
(inlined by) do_basic_setup at init/main.c:918
(inlined by) kernel_init_freeable at init/main.c:1066
[ 124.230111] ? rest_init+0xc0/0xc0:
kernel_init at init/main.c:990
[ 124.230111] kernel_init+0xb/0xf0:
kernel_init at init/main.c:995
[ 124.230111] ? schedule_tail_wrapper+0x9/0xc:
schedule_tail_wrapper at arch/x86/entry/entry_32.S:267
[ 124.230111] ret_from_fork+0x19/0x24:
ret_from_fork at arch/x86/entry/entry_32.S:299
[ 124.230111] Kernel Offset: disabled
Attached the full dmesg, kconfig and reproduce scripts.
Thanks,
Fengguang
View attachment "dmesg-vm-lkp-wsx03-openwrt-i386-23:20171129185407:i386-randconfig-x0-11291749:4.15.0-rc1:360" of type "text/plain" (32079 bytes)
View attachment ".config" of type "text/plain" (128700 bytes)
View attachment "job-script" of type "text/plain" (3707 bytes)
View attachment "reproduce-vm-lkp-wsx03-openwrt-i386-23:20171129185407:i386-randconfig-x0-11291749:4.15.0-rc1:360" of type "text/plain" (2177 bytes)
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