From mboxrd@z Thu Jan 1 00:00:00 1970
From: bugzilla-daemon@bugzilla.kernel.org
Subject: [Bug 36222] kvm: 100% CPU usage after 3.0.0-rc1 guest shutdown
Date: Mon, 30 May 2011 11:09:46 GMT
Message-ID: <201105301109.p4UB9k9D012786@demeter1.kernel.org>
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--- Comment #9 from T=C3=B6r=C3=B6k Edwin 2011-=
05-30 11:09:45 ---
Using -serial stdio, and console=3DttyS0 I see an Oops when running 'ha=
lt -f -p'
in the guest:
/[ 36.308445] invalid opcode: 0000 [#1] SMP=20
[ 36.308445] CPU 1=20
[ 36.308445] Modules linked in:
[ 36.308445]=20
[ 36.308445] Pid: 0, comm: kworker/0:0 Not tainted 3.0.0-rc1 #8 Bochs=
Bochs
[ 36.308445] RIP: 0010:[] []
native_play_dead+0xd9/0xf0
[ 36.308445] RSP: 0018:ffff8800bbeb1ef8 EFLAGS: 00010046
[ 36.308445] RAX: ffff8800bbeb0010 RBX: ffff8800bbeb0010 RCX:
0000000000000000
[ 36.308445] RDX: 0000000000000000 RSI: 0000000000000000 RDI:
ffff8800bbeb1ee4
[ 36.308445] RBP: ffff8800bbeb1f08 R08: ffff8800bbeb1edc R09:
ffff8800bbeb1ed8
[ 36.308445] R10: 0000000874121b10 R11: 0000000000000000 R12:
00000000ffffffff
[ 36.308445] R13: 0000000000000000 R14: 0000000000000000 R15:
0000000000000000
[ 36.308445] FS: 00007f0c93b3f700(0000) GS:ffff8800bf100000(0000)
knlGS:0000000000000000
[ 36.308445] CS: 0010 DS: 0000 ES: 0000 CR0: 000000008005003b
[ 36.308445] CR2: 00007f9c8e7c0f80 CR3: 0000000001c93000 CR4:
00000000000006e0
[ 36.308445] DR0: 0000000000000000 DR1: 0000000000000000 DR2:
0000000000000000
[ 36.308445] DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7:
0000000000000400
[ 36.308445] Process kworker/0:0 (pid: 0, threadinfo ffff8800bbeb0000=
, task
ffff8800bbe76740)
[ 36.308445] Stack:
[ 36.308445] ffff8800bbeb0010 ffffffff81d10810 ffff8800bbeb1f28
ffffffff810018ae
[ 36.308445] 0000000000000001 0000000000000000 ffff8800bbeb1f48
ffffffff8162c73b
[ 36.308445] 0000000000000000 0000000000000000 0000000000000000
0000000000000000
[ 36.308445] Call Trace:
[ 36.308445] [] cpu_idle+0x9e/0xb0
[ 36.308445] [] start_secondary+0x177/0x17c
[ 36.308445] Code: 09 f4 65 48 8b 1c 25 c8 b5 00 00 48 81 eb c8 1f 00=
00 0f
09 66 66 90 66 90 31 c9 0f 1f 80 00 00 00 00 0f ae 3b 48 89 d8 48 89 ca=
<0f> 01
c8 0f ae f0 4c 89 e0 0f 01 c9 eb e9 66 0f 1f 84 00 00 00=20
[ 36.308445] RIP [] native_play_dead+0xd9/0xf0
[ 36.308445] RSP
[ 36.308445] ---[ end trace b72c6a73fe4299e2 ]---
[ 36.330393] invalid opcode: 0000 [#2] SMP=20
[ 36.330393] CPU 2=20
[ 36.330393] Modules linked in:
[ 36.330393]=20
[ 36.330393] Pid: 0, comm: kworker/0:1 Tainted: G D 3.0.0-rc=
1 #8
Bochs Bochs
[ 36.330393] RIP: 0010:[] []
native_play_dead+0xd9/0xf0
[ 36.330393] RSP: 0018:ffff8800bbecfef8 EFLAGS: 00010046
[ 36.330393] RAX: ffff8800bbece010 RBX: ffff8800bbece010 RCX:
0000000000000000
[ 36.330393] RDX: 0000000000000000 RSI: 0000000000000000 RDI:
ffff8800bbecfee4
[ 36.330393] RBP: ffff8800bbecff08 R08: ffff8800bbecfedc R09:
ffff8800bbecfed8
[ 36.330393] R10: 000000166d13e921 R11: 0000000000000000 R12:
00000000ffffffff
[ 36.330393] R13: 0000000000000000 R14: 0000000000000000 R15:
0000000000000000
[ 36.330393] FS: 00007ff8f51e97a0(0000) GS:ffff8800bf200000(0000)
knlGS:0000000000000000
[ 36.330393] CS: 0010 DS: 0000 ES: 0000 CR0: 000000008005003b
[ 36.330393] CR2: 00007ff8f4aa7920 CR3: 0000000001c93000 CR4:
00000000000006e0
[ 36.330393] DR0: 0000000000000000 DR1: 0000000000000000 DR2:
0000000000000000
[ 36.330393] DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7:
0000000000000400
[ 36.330393] Process kworker/0:1 (pid: 0, threadinfo ffff8800bbece000=
, task
ffff8800bbec0ec0)
[ 36.330393] Stack:
[ 36.330393] ffff8800bbece010 ffffffff81d10810 ffff8800bbecff28
ffffffff810018ae
[ 36.330393] 0000000000000002 0000000000000000 ffff8800bbecff48
ffffffff8162c73b
[ 36.330393] 0000000000000000 0000000000000000 0000000000000000
0000000000000000
[ 36.330393] Call Trace:
[ 36.330393] [] cpu_idle+0x9e/0xb0
[ 36.330393] [] start_secondary+0x177/0x17c
[ 36.330393] Code: 09 f4 65 48 8b 1c 25 c8 b5 00 00 48 81 eb c8 1f 00=
00 0f
09 66 66 90 66 90 31 c9 0f 1f 80 00 00 00 00 0f ae 3b 48 89 d8 48 89 ca=
<0f> 01
c8 0f ae f0 4c 89 e0 0f 01 c9 eb e9 66 0f 1f 84 00 00 00=20
[ 36.330393] RIP [] native_play_dead+0xd9/0xf0
[ 36.330393] RSP
[ 36.330393] ---[ end trace b72c6a73fe4299e3 ]---
[ 36.330393] Kernel panic - not syncing: Attempted to kill the idle t=
ask!
[ 36.330393] Pid: 0, comm: kworker/0:1 Tainted: G D 3.0.0-rc=
1 #8
[ 36.330393] Call Trace:
[ 36.330393] [] panic+0x8c/0x190
[ 36.330393] [] do_exit+0x6a3/0x8a0
[ 36.330393] [] ? kmsg_dump+0x44/0x100
[ 36.330393] [] oops_end+0x83/0xb0
[ 36.330393] [] die+0x56/0x90
[ 36.330393] [] do_trap+0xbc/0x160
[ 36.330393] [] do_invalid_op+0x90/0xb0
[ 36.330393] [] ? native_play_dead+0xd9/0xf0
[ 36.330393] [] ? __dequeue_entity+0x2b/0x50
[ 36.330393] [] ? pvclock_clocksource_read+0x58/0x=
d0
[ 36.330393] [] ? timerqueue_del+0x35/0x90
[ 36.330393] [] ? __remove_hrtimer+0x36/0xa0
[ 36.330393] [] invalid_op+0x1b/0x20
[ 36.330393] [] ? native_play_dead+0xd9/0xf0
[ 36.330393] [] ? native_play_dead+0x85/0xf0
[ 36.330393] [] cpu_idle+0x9e/0xb0
[ 36.330393] [] start_secondary+0x177/0x17c
[ 36.308445] Kernel panic - not syncing: Attempted to kill the idle t=
ask!
[ 36.308445] Pid: 0, comm: kworker/0:0 Tainted: G D 3.0.0-rc=
1 #8
[ 36.308445] Call Trace:
[ 36.308445] [] panic+0x8c/0x190
[ 36.308445] [] do_exit+0x6a3/0x8a0
[ 36.308445] [] ? kmsg_dump+0x44/0x100
[ 36.308445] [] oops_end+0x83/0xb0
[ 36.308445] [] die+0x56/0x90
[ 36.308445] [] do_trap+0xbc/0x160
[ 36.308445] [] do_invalid_op+0x90/0xb0
[ 36.308445] [] ? native_play_dead+0xd9/0xf0
[ 36.308445] [] ? pvclock_clocksource_read+0x58/0x=
d0
[ 36.308445] [] ? timerqueue_del+0x35/0x90
[ 36.308445] [] ? __remove_hrtimer+0x36/0xa0
[ 36.308445] [] invalid_op+0x1b/0x20
[ 36.308445] [] ? native_play_dead+0xd9/0xf0
[ 36.308445] [] ? native_play_dead+0x85/0xf0
[ 36.308445] [] cpu_idle+0x9e/0xb0
--=20
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