[Xen-devel] crash with xen/stable-2.6.32.x

[M A Young <m.a.young@xxxxxxxxxxxx>]

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

crash.jpg
Description: JPEG image

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