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[Xen-users] XL migration domU oops

From: Wouter de Geus <benv-xensource.com@xxxxxxxxxxxxx>

Date: Mon, 25 May 2015 10:46:40 +0200

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Hej folks, After migrating a domU from Xen 4.4.3 -> 4.3.4 the domU broke with an oops (see below). Is this a known bug? This is the second time it happened to me with this domU so far, so it seems reproducible. [347924.584162] ------------[ cut here ]------------ [347924.584162] kernel BUG at drivers/xen/events/events_fifo.c:363! [347924.584162] invalid opcode: 0000 [#1] SMP [347924.584162] Modules linked in: [347924.584162] CPU: 0 PID: 9 Comm: migration/0 Not tainted 4.0.3-Owl-ICT #1 [347924.584162] task: ffff8800f9e9c580 ti: ffff8800f9ee4000 task.ti: ffff8800f9ee4000 [347924.584162] RIP: e030:[<ffffffff815f4fae>] [<ffffffff815f4fae>] evtchn_fifo_resume+0x9e/0xc0 [347924.584162] RSP: e02b:ffff8800f9ee7cb8 EFLAGS: 00210082 [347924.584162] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 000000000000000b [347924.584162] RDX: ffffffffffffffda RSI: ffff8800f9ee7c80 RDI: ffff8800f9ee7c4c [347924.584162] RBP: 000000000000f940 R08: ffffffff825117a0 R09: ffff8800f9ee7c80 [347924.584162] R10: ffff8800fa401900 R11: ffffffff815effea R12: ffffffff825117a0 [347924.584162] R13: ffffffff82511798 R14: 000000000000f940 R15: 0000000000000000 [347924.584162] FS: 0000000000000000(0000) GS:ffff8800fa800000(0000) knlGS:00000000eecffbb0 [347924.584162] CS: e033 DS: 0000 ES: 0000 CR0: 0000000080050033 [347924.584162] CR2: 0000000000000000 CR3: 0000000004172000 CR4: 0000000000042660 [347924.584162] Stack: [347924.584162] 8000000396843063 0000000000000000 000000000029ad01 ffff8800f9853e44 [347924.584162] 000000000000029a ffffffff81156201 ffff8800f9e9c580 ffffffff815f3ba5 [347924.584162] 000000000000029a ffffffff81156201 ffff8800f9e9c580 ffffffff815efdf3 [347924.584162] Call Trace: [347924.584162] [<ffffffff81156201>] ? cpu_stop_park+0x61/0x70 [347924.584162] [<ffffffff815f3ba5>] ? xen_irq_resume+0x25/0x320 [347924.584162] [<ffffffff81156201>] ? cpu_stop_park+0x61/0x70 [347924.584162] [<ffffffff815efdf3>] ? gnttab_map_frames_v1+0x23/0x40 [347924.584162] [<ffffffff815effea>] ? gnttab_map+0xea/0x120 [347924.584162] [<ffffffff81156201>] ? cpu_stop_park+0x61/0x70 [347924.584162] [<ffffffff815f19dd>] ? xen_suspend+0x8d/0x160 [347924.584162] [<ffffffff81156317>] ? multi_cpu_stop+0xb7/0xe0 [347924.584162] [<ffffffff81156260>] ? cpu_stop_should_run+0x50/0x50 [347924.584162] [<ffffffff811564ba>] ? cpu_stopper_thread+0x8a/0x130 [347924.584162] [<ffffffff81108dd3>] ? arch_vtime_task_switch+0x73/0xb0 [347924.584162] [<ffffffff8110138a>] ? finish_task_switch+0x5a/0x120 [347924.584162] [<ffffffff81ea390b>] ? __schedule+0x23b/0x790 [347924.584162] [<ffffffff81ea7a06>] ? _raw_spin_unlock_irqrestore+0x16/0x40 [347924.584162] [<ffffffff810ff26f>] ? smpboot_thread_fn+0x14f/0x1c0 [347924.584162] [<ffffffff810ff120>] ? SyS_setgroups+0x140/0x140 [347924.584162] [<ffffffff810fbd4e>] ? kthread+0xce/0xf0 [347924.584162] [<ffffffff81100606>] ? hrtick+0x76/0x90 [347924.584162] [<ffffffff810fbc80>] ? kthread_create_on_node+0x180/0x180 [347924.584162] [<ffffffff81ea8098>] ? ret_from_fork+0x58/0x90 [347924.584162] [<ffffffff810fbc80>] ? kthread_create_on_node+0x180/0x180 [347924.584162] Code: ff 4a 8b 04 fd 00 11 51 82 49 c7 04 06 00 00 00 00 eb aa 66 2e 0f 1f 84 00 00 00 00 00 48 89 fe 89 c7 e8 46 fe ff ff 85 c0 79 92 <0f> 0b c7 05 c6 f6 f1 00 00 00 00 00 48 83 c4 08 5b 5d 41 5c 41 [347924.584162] RIP [<ffffffff815f4fae>] evtchn_fifo_resume+0x9e/0xc0 [347924.584162] RSP <ffff8800f9ee7cb8> [347924.584162] ---[ end trace 7546787b905d4330 ]--- [347924.584162] ------------[ cut here ]------------ [347924.584162] WARNING: CPU: 0 PID: 0 at kernel/time/timekeeping.c:576 ktime_get+0xa1/0xb0() [347924.584162] Modules linked in: [347924.584162] CPU: 0 PID: 0 Comm: swapper/0 Tainted: G D 4.0.3-Owl-ICT #1 [347924.584162] 0000000000000000 ffffffff8222dbef ffffffff81e9de7a 0000000000000000 [347924.584162] ffffffff810e1547 0000000000000000 0000000000000000 ffffffff823c4000 [347924.584162] 0000000000000000 ffffffff823c4000 ffffffff81133e01 ffff8800f9e9c580 [347924.584162] Call Trace: [347924.584162] [<ffffffff81e9de7a>] ? dump_stack+0x40/0x50 [347924.584162] [<ffffffff810e1547>] ? warn_slowpath_common+0x77/0xb0 [347924.584162] [<ffffffff81133e01>] ? ktime_get+0xa1/0xb0 [347924.584162] [<ffffffff8113c25d>] ? __tick_nohz_idle_enter+0x1d/0x420 [347924.584162] [<ffffffff81ea390b>] ? __schedule+0x23b/0x790 [347924.584162] [<ffffffff8113c6b7>] ? tick_nohz_idle_enter+0x37/0x70 [347924.584162] [<ffffffff81119963>] ? cpu_startup_entry+0x53/0x330 [347924.584162] [<ffffffff82540ea7>] ? start_kernel+0x41b/0x426 [347924.584162] [<ffffffff825441aa>] ? xen_start_kernel+0x58b/0x595 [347924.584162] ---[ end trace 7546787b905d4331 ]--- Regards, Wouter. _______________________________________________ Xen-users mailing list Xen-users@xxxxxxxxxxxxx http://lists.xen.org/xen-users

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