Re: initiating linux guest shutdown from host

[extmaillist@linuxbox.cz]

Hi Avi,
thanks for info. Can You tell me which commit has caused the problem so I 
can revert it in my testing sources? I don't see any reverts in git (yet).
thanks!
n.





On Wed, 23 Apr 2008, Avi Kivity wrote:

> extmaillist@linuxbox.cz wrote:
>> 
>> 
>> On Wed, 23 Apr 2008, Luca Tettamanti wrote:
>>
>> 
>>> libvirt sends "system_powerdown" to the monitor; is ACPI is enabled
>>> then the guest sees the event but it's free to ignore it (it's the
>>> same as pressing the power button on a real machine: the OS sees the
>>> event and may start the shutdown, ask the user what to do, ignore it,
>>> etc.); e.g. the default ACPI script of the debian stops the desktop
>>> manager if it's running but doesn't shut down the machine. If the ACPI
>>> daemon is not running in the guest then the event is lost...
>>> 
>>> Luca
>>> 
>>>
>>> 
>> 
>> Hi Luca,
>> thanks for the answer. Well, then it works as I expected. I already tried 
>> starting acpid in debug mode, but system doesn't seem to receive any event, 
>> although according to dmesg, ACPI itself seems to work (and I can poweroff 
>> from the guest)
>> 
>
> A recent regression caused powerdown SCI to stop working.  I've reverted this 
> and it should work again in kvm-68.
>
> -- 
> Do not meddle in the internals of kernels, for they are subtle and quick to 
> panic.
>
>

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