From mboxrd@z Thu Jan  1 00:00:00 1970
From: Jeremy Fitzhardinge <jeremy@goop.org>
Subject: Re: crash with xen/stable-2.6.32.x
Date: Thu, 01 Apr 2010 15:51:17 -0700
Message-ID: <4BB52365.8060803@goop.org>
References: <alpine.LFD.2.00.1004012231440.1595@vega1.dur.ac.uk>
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To: M A Young <m.a.young@durham.ac.uk>
Cc: xen-devel@lists.xensource.com, "Yu, Ke" <ke.yu@intel.com>
List-Id: xen-devel@lists.xenproject.org

[ CC: Ke Yu ]

On 04/01/2010 02:54 PM, M A Young wrote:
> One of my machines crashes on boot with a kernel built from 
> xen/stable-2.6.32.x . I can't capture the full output and annoyingly a 
> boot on a KVM machine within the same system works but a photo is 
> attached and the most relevant bit from the crash left on the screen 
> looks to be
>
> RIP [<ffffffff81277e63>] acpi_ds_exec_end_op+0x237/0x3dc
>  RSP <ffff8800db6fb900>
> CR2: 000000000000000a
> ---[ end trace 5a5d197966b56a2e ]---
> Kernel panic - not syncing: Attempted to kill init!
>
> This is on x86_64 . Another machine which is i686 works.
>
> More details
> (gdb) x/i 0xffffffff81277e63
> 0xffffffff81277e63 <acpi_ds_exec_end_op+567>:    mov    0xa(%rax),%dx
> and the context is
> 0xffffffff81277e3d <acpi_ds_exec_end_op+529>:
>     jmpq   0xffffffff81277f7f <acpi_ds_exec_end_op+851>
> 0xffffffff81277e42 <acpi_ds_exec_end_op+534>:
>     callq  0xffffffff812794db <acpi_ds_load2_end_op>
> 0xffffffff81277e47 <acpi_ds_exec_end_op+539>:    test   %eax,%eax
> 0xffffffff81277e49 <acpi_ds_exec_end_op+541>:
>     jne    0xffffffff81277f7f <acpi_ds_exec_end_op+851>
> 0xffffffff81277e4f <acpi_ds_exec_end_op+547>:    mov    %r12,%rsi
> 0xffffffff81277e52 <acpi_ds_exec_end_op+550>:    mov    %rbx,%rdi
> 0xffffffff81277e55 <acpi_ds_exec_end_op+553>:
>     callq  0xffffffff8127758a <acpi_ds_eval_buffer_field_operands>
> 0xffffffff81277e5a <acpi_ds_exec_end_op+558>:
>     jmpq   0xffffffff81277f7f <acpi_ds_exec_end_op+851>
> 0xffffffff81277e5f <acpi_ds_exec_end_op+563>:    mov    (%r12),%rax
> 0xffffffff81277e63 <acpi_ds_exec_end_op+567>:    mov    0xa(%rax),%dx
> 0xffffffff81277e67 <acpi_ds_exec_end_op+571>:    cmp    $0x8,%dx
> 0xffffffff81277e6b <acpi_ds_exec_end_op+575>:
>     je     0xffffffff81277e75 <acpi_ds_exec_end_op+585>
> 0xffffffff81277e6d <acpi_ds_exec_end_op+577>:    cmp    $0x37,%dx
> 0xffffffff81277e71 <acpi_ds_exec_end_op+581>:
>     jne    0xffffffff81277ea7 <acpi_ds_exec_end_op+635>
> 0xffffffff81277e73 <acpi_ds_exec_end_op+583>:
>     jmp    0xffffffff81277e95 <acpi_ds_exec_end_op+617>
>
>     Michael Young
>
>
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