Attachment 1484410 Details for Bug 1627288 – sysrq 'l' -- handle_mm_fault

sysrq 'l' -- handle_mm_fault

sysrq-l-2.log (text/plain), 6.23 KB, created by Larkin Lowrey on 2018-09-18 15:09:15 UTC

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Creator: Larkin Lowrey

Created: 2018-09-18 15:09:15 UTC

Size: 6.23 KB

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obsolete

>[383425.159764] sysrq: SysRq : Show backtrace of all active CPUs
>[383425.165872] NMI backtrace for cpu 17
>[383425.169784] CPU: 17 PID: 4518 Comm: bash Not tainted 4.18.5-200.fc28.x86_64 #1
>[383425.177487] Hardware name: Supermicro H8DG6/H8DGi/H8DG6/H8DGi, BIOS 3.0a       07/26/2013
>[383425.186141] Call Trace:
>[383425.188883]  dump_stack+0x5c/0x80
>[383425.192466]  nmi_cpu_backtrace.cold.5+0x13/0x57
>[383425.197310]  ? lapic_can_unplug_cpu.cold.25+0x34/0x34
>[383425.202749]  nmi_trigger_cpumask_backtrace+0xde/0xe0
>[383425.208039]  __handle_sysrq.cold.7+0x67/0x10e
>[383425.212736]  write_sysrq_trigger+0x30/0x40
>[383425.217132]  proc_reg_write+0x3c/0x60
>[383425.221106]  __vfs_write+0x36/0x190
>[383425.224885]  ? set_close_on_exec+0x2a/0x60
>[383425.229352]  vfs_write+0xa5/0x1a0
>[383425.232935]  ksys_write+0x4f/0xb0
>[383425.236564]  do_syscall_64+0x5b/0x160
>[383425.240536]  entry_SYSCALL_64_after_hwframe+0x44/0xa9
>[383425.245913] RIP: 0033:0x7f6ed209aef4
>[383425.249837] Code: 89 02 48 c7 c0 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 48 8d 05 f1 3a 2d 00 8b 00 85 c0 75 13 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 54 c3 0f 1f 00 41 54 49 89 d4 55 48 89 f5 53 
>[383425.269529] RSP: 002b:00007ffd4d4160d8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
>[383425.277638] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007f6ed209aef4
>[383425.285310] RDX: 0000000000000002 RSI: 00005622fa228e90 RDI: 0000000000000001
>[383425.292954] RBP: 00005622fa228e90 R08: 000000000000000a R09: 00007f6ed20ec580
>[383425.300582] R10: 000000000000000a R11: 0000000000000246 R12: 00007f6ed236a760
>[383425.308217] R13: 0000000000000002 R14: 00007f6ed2365760 R15: 0000000000000002
>[383425.315873] Sending NMI from CPU 17 to CPUs 0-16,18-31:
>[383425.321551] NMI backtrace for cpu 4 skipped: idling at acpi_idle_do_entry+0x15/0x30
>[383425.321559] NMI backtrace for cpu 16 skipped: idling at acpi_idle_do_entry+0x15/0x30
>[383425.321585] NMI backtrace for cpu 11 skipped: idling at acpi_idle_do_entry+0x15/0x30
>[383425.321603] NMI backtrace for cpu 7 skipped: idling at acpi_idle_do_entry+0x15/0x30
>[383425.321613] NMI backtrace for cpu 6 skipped: idling at acpi_idle_do_entry+0x15/0x30
>[383425.321616] NMI backtrace for cpu 0
>[383425.321620] CPU: 0 PID: 21177 Comm: kworker/0:1 Not tainted 4.18.5-200.fc28.x86_64 #1
>[383425.321621] Hardware name: Supermicro H8DG6/H8DGi/H8DG6/H8DGi, BIOS 3.0a       07/26/2013
>[383425.321676] Workqueue: events async_pf_execute [kvm]
>[383425.321683] RIP: 0010:lookup_swap_cache+0x19/0x110
>[383425.321684] Code: 00 4c 89 ef e8 b8 1a fa ff eb d3 66 0f 1f 44 00 00 0f 1f 44 00 00 55 48 89 f5 31 c9 48 be ff ff ff ff ff ff ff 01 48 21 fe 53 <48> c1 ef 39 48 89 d3 48 89 f0 48 c1 e8 0e 48 8d 14 80 48 8d 14 90 
>[383425.321710] RSP: 0018:ffffafb9b4143c08 EFLAGS: 00000202
>[383425.321712] RAX: ffff8ee1453b4200 RBX: ffff8ed400000268 RCX: 0000000000000000
>[383425.321713] RDX: 00007efa09a68000 RSI: 00000000002ab868 RDI: 00000000002ab868
>[383425.321714] RBP: ffff8ee39136ed48 R08: 07ffffffaa8f2e02 R09: ffff8ed7a0733268
>[383425.321715] R10: ffff8eddccc4e6f0 R11: 0000000000000000 R12: ffffafb9b4143c88
>[383425.321716] R13: ffff8ee39136ed48 R14: ffff8ee3932f3dc0 R15: 0000000000000085
>[383425.321718] FS:  0000000000000000(0000) GS:ffff8ed81fc00000(0000) knlGS:0000000000000000
>[383425.321719] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
>[383425.321720] CR2: 00007fddf5cdb000 CR3: 000000005220a000 CR4: 00000000000406f0
>[383425.321721] Call Trace:
>[383425.321727]  do_swap_page+0x9e/0x7e0
>[383425.321730]  __handle_mm_fault+0x91f/0x1300
>[383425.321733]  handle_mm_fault+0xda/0x200
>[383425.321735]  __get_user_pages+0x238/0x770
>[383425.321739]  ? __switch_to_asm+0x34/0x70
>[383425.321741]  get_user_pages_remote+0x137/0x1f0
>[383425.321765]  async_pf_execute+0x77/0x190 [kvm]
>[383425.321771]  process_one_work+0x1a1/0x350
>[383425.321774]  worker_thread+0x30/0x380
>[383425.321777]  ? pwq_unbound_release_workfn+0xd0/0xd0
>[383425.321779]  kthread+0x112/0x130
>[383425.321781]  ? kthread_create_worker_on_cpu+0x70/0x70
>[383425.321783]  ret_from_fork+0x22/0x40
>[383425.321802] NMI backtrace for cpu 20 skipped: idling at acpi_idle_do_entry+0x15/0x30
>[383425.321821] NMI backtrace for cpu 22 skipped: idling at acpi_idle_do_entry+0x15/0x30
>[383425.321832] NMI backtrace for cpu 23 skipped: idling at acpi_idle_do_entry+0x15/0x30
>[383425.321838] NMI backtrace for cpu 21 skipped: idling at acpi_idle_do_entry+0x15/0x30
>[383425.321850] NMI backtrace for cpu 10 skipped: idling at acpi_idle_do_entry+0x15/0x30
>[383425.321856] NMI backtrace for cpu 5 skipped: idling at acpi_idle_do_entry+0x15/0x30
>[383425.321861] NMI backtrace for cpu 1 skipped: idling at acpi_idle_do_entry+0x15/0x30
>[383425.321875] NMI backtrace for cpu 3 skipped: idling at acpi_idle_do_entry+0x15/0x30
>[383425.321883] NMI backtrace for cpu 2 skipped: idling at acpi_idle_do_entry+0x15/0x30
>[383425.321902] NMI backtrace for cpu 18 skipped: idling at acpi_idle_do_entry+0x15/0x30
>[383425.321912] NMI backtrace for cpu 19 skipped: idling at acpi_idle_do_entry+0x15/0x30
>[383425.321929] NMI backtrace for cpu 12 skipped: idling at acpi_idle_do_entry+0x15/0x30
>[383425.321936] NMI backtrace for cpu 13 skipped: idling at acpi_idle_do_entry+0x15/0x30
>[383425.321952] NMI backtrace for cpu 8 skipped: idling at acpi_idle_do_entry+0x15/0x30
>[383425.321959] NMI backtrace for cpu 9 skipped: idling at acpi_idle_do_entry+0x15/0x30
>[383425.321975] NMI backtrace for cpu 25 skipped: idling at acpi_idle_do_entry+0x15/0x30
>[383425.321993] NMI backtrace for cpu 30 skipped: idling at acpi_idle_do_entry+0x15/0x30
>[383425.322010] NMI backtrace for cpu 28 skipped: idling at acpi_idle_do_entry+0x15/0x30
>[383425.322029] NMI backtrace for cpu 14 skipped: idling at acpi_idle_do_entry+0x15/0x30
>[383425.322038] NMI backtrace for cpu 15 skipped: idling at acpi_idle_do_entry+0x15/0x30
>[383425.322045] NMI backtrace for cpu 24 skipped: idling at acpi_idle_do_entry+0x15/0x30
>[383425.322051] NMI backtrace for cpu 31 skipped: idling at acpi_idle_do_entry+0x15/0x30
>[383425.322058] NMI backtrace for cpu 29 skipped: idling at acpi_idle_do_entry+0x15/0x30
>[383425.322075] NMI backtrace for cpu 27 skipped: idling at acpi_idle_do_entry+0x15/0x30
>[383425.322084] NMI backtrace for cpu 26 skipped: idling at acpi_idle_do_entry+0x15/0x30

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Attachments on bug 1627288: 1482176 | 1482177 | 1484410 | 1514407 | 1514408