Re: regression in v3.9? a guest stuck in BIOS if emulate_invalid_guest_state=Y

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Il 08/05/2013 09:34, Jun'ichi Nomura ha scritto:
> On 05/08/13 12:22, Jun'ichi Nomura wrote:
>>> Il 07/05/2013 14:06, Gleb Natapov ha scritto:
>>>> What is the output of "virsh qemu-monitor-command vm12 --hmp x/i $pc"
>>>> when it hangs?
>>
>> # virsh qemu-monitor-command vm12 --hmp x/4i \$pc
>> 0x00000000000c06ca:  aam    $0xa
>> 0x00000000000c06cc:  mov    %ax,%bx
>> 0x00000000000c06ce:  mov    %bh,%al
>> 0x00000000000c06d0:  aam    $0xa
>>
>> # virsh qemu-monitor-command vm12 --hmp x/8b \$pc
>> 00000000000c06ca: 0xd4 0x0a 0x89 0xc3 0x88 0xf8 0xd4 0x0a
>>
>> (qemu) x/8b $pc
>> x/8b $pc
>> 00000000000c0564: 0xd7 0x1f 0x24 0x7f 0x88 0xc4 0x88 0xd0
>> (qemu) 
>> (qemu) x/i $pc
>> x/i $pc
>> 0x00000000000c0564:  xlat   %ds:(%bx)

Both of these sequences are found in sgabios.  The second goes on as
follows:

  popw %ds
  andb $0x7f, %al
  movb %al, %ah
  movb %dl, %al

Thanks for the report!

Paolo
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