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Date: Thu, 27 Jun 2013 09:44:20 -0400
From: Luiz Capitulino <lcapitulino@redhat.com>
Message-ID: <20130627094420.0a294881@redhat.com>
In-Reply-To: <1372225951.2776.148@driftwood>
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Subject: Re: [Qemu-devel] x86-64 apic panic on shutdown on 1.4.93.
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To: Rob Landley <rob@landley.net>
Cc: qemu-devel@nongnu.org, kvm@vger.kernel.org

On Wed, 26 Jun 2013 00:52:31 -0500
Rob Landley <rob@landley.net> wrote:

> I intermittently get this from current kernels running under currentish  
> qemu-git. Look familiar to anybody?

Which kernel do you run in the host? Is the guest doing anything
special?

> 
> reboot: machine restart
> general protection fault: fff2 [#1]
> CPU: 0 PID: 44 Comm: oneit Not tainted 3.10.0-rc7+ #3
> Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
> task: ffff8800068fd500 ti: ffff880006a26000 task.ti: ffff880006a26000
> RIP: 0010:[<ffffffff81014441>]  [<ffffffff81014441>]  
> lapic_shutdown+0x32/0x34
> RSP: 0018:ffff880006a27e28  EFLAGS: 00000202
> RAX: 2193fbf9078bfbf9 RBX: 0000000000000202 RCX: 0000000000000000
> RDX: ffffffff81015f71 RSI: 00000000000000ff RDI: 00000000000000f0
> RBP: fffffffffee1dead R08: 0000000000000400 R09: 0000000000000000
> R10: 0000000000000000 R11: ffff88000699f500 R12: 0000000000000000
> R13: 0000000001234567 R14: 0000000000000004 R15: 0000000000423872
> FS:  0000000000000000(0000) GS:ffffffff81308000(0000)  
> knlGS:0000000000000000
> CS:  0010 DS: 0000 ES: 0000 CR0: 000000008005003b
> CR2: 0000000000657ad0 CR3: 000000000697c000 CR4: 00000000000006b0
> DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
> DR3: 0000000000000000 DR6: 0000000000000000 DR7: 0000000000000000
> Stack:
>   0000000028121969 ffffffff81013bda 00000000000003f9 ffffffff81013dc5
>   0000000000000000 ffffffff8102ad4b 0000000000000000 0000000000000000
>   0000000000000000 0000000000000000 0000000000000000 0000000000000000
> Call Trace:
>   [<ffffffff81013bda>] ? native_machine_shutdown+0x6/0x1a
>   [<ffffffff81013dc5>] ? native_machine_restart+0x1d/0x31
>   [<ffffffff8102ad4b>] ? SyS_reboot+0x126/0x15b
>   [<ffffffff810374bc>] ? schedule_tail+0x1e/0x44
>   [<ffffffff8122f57f>] ? ret_from_fork+0xf/0xb0
>   [<ffffffff8122f690>] ? system_call_fastpath+0x16/0x1b
> Code: 53 f6 c4 02 75 1b 31 c0 83 3d af 42 50 00 00 74 0c 31 c0 83 3d b4  
> 42 50 00 00 0f 94 c0 85 c0 74 0a 9c 5b fa e8 88 ff ff ff 53 9d <5b> c3  
> 50 e8 11 ec 00 00 e8 d6 2f ff ff 48 8b 05 43 4b 32 00 bf
> RIP  [<ffffffff81014441>] lapic_shutdown+0x32/0x34
>   RSP <ffff880006a27e28>
> ---[ end trace dd3c376274d1a087 ]---