On 04/11/2011 11:07 PM, Gleb Natapov wrote:
> On Mon, Apr 11, 2011 at 10:01:30PM +0300, Pekka Enberg wrote:
>> On Sun, 2011-04-10 at 16:58 +0300, Gleb Natapov wrote:
>>> On Sun, Apr 10, 2011 at 09:49:31PM +0800, Amos Kong wrote:
>>>> System halted.
>>>> [note: guest hung .......]
>>>>
>>> Isn't that expected result without ACPI support? I would expect all guests
>>> to hang like that at the end.
>>
>> I see hangs with Debian Squeeze image too but not with the minimal QEMU
>> image I usually test things with. I wonder, though, why userspace
>> insists on using ACPI for shutdown as we boot with 'noapic'.
>>
> There is not way to power down PC from software without ACPI (may be APM
> has something, but I doubt kvm-tool implements it either). Do you remember
> Windows 95 "it is now safe to turn off your computer" screen?
yup, iirc APM had some set power state entry point, but not sure, need to find docs ;)
>
> --
> Gleb.
--
Cyrill
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