How to send ACPI events to kvm guests
Hi,
first of all I am not sure, if this is the right place for my question, so if not, please speak friendly :-)
I use kvm-72 directly over the command line, because I use vde, which is not enabled in Ubuntu intrepid & co in package libvirt-bin.
Anything is doing really fine, but I can not find out on how to send ACPI-events to a guest, i.e. power-button.
The libvirt tool seems to be able to do the trick. So what command does virsh, whatever invoke to send the event?
A friend and I have spend hours and hours with Google, tried to study the source-code of kvm and libvirt, but could not find the answer.
I want to write s simple init-script for the kvm instances, so I really would like a clean solution. A bad hack would be ssh guest "shutdown -h now", but I would prefer the ACPI version, if possible.
So, I hope, somebody may help me with this question.
Thanks alot. I really like kvm.
Kind regards
Christian
Signature · 7 lines
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Quoted 5 lines · Christian Roessner
Hi,
first of all I am not sure, if this is the right place for my question, so if not, please speak friendly :-)
Quoted 8 lines
I use kvm-72 directly over the command line, because I use vde, which is not enabled in Ubuntu intrepid & co in package libvirt-bin.
Anything is doing really fine, but I can not find out on how to send ACPI-events to a guest, i.e. power-button.
The libvirt tool seems to be able to do the trick. So what command does virsh, whatever invoke to send the event?
The virsh shutdown command / virDomainShutdown() API will use the QEMU monitor console to invoke 'system_powerdown' command. This then triggers the ACPI event.
Daniel
Signature · 4 lines
|: Red Hat, Engineering, London -o- http://people.redhat.com/berrange/ :| |: http://libvirt.org -o- http://virt-manager.org -o- http://ovirt.org :| |: http://autobuild.org -o- http://search.cpan.org/~danberr/ :| |: GnuPG: 7D3B9505 -o- F3C9 553F A1DA 4AC2 5648 23C1 B3DF F742 7D3B 9505 :|
Hi Daniel,
thanks alot. I got my scripts running :-)
Kind regards
Christian
Quoted 5 lines
The virsh shutdown command /
virDomainShutdown()API will use the QEMU monitor console to invoke 'system_powerdown' command. This then triggers the ACPI event.Daniel
Signature · 7 lines
Roessner Network Solutions (R.N.S.) Licher Str. 19a, 35394 Gießen Telefon: +49 641 5879091, Mobil: +49 176 78168371 USt-IdNr.: DE225643613 URL: http://www.roessner-net.com/ PGP: http://www.roessner-net.com/0x6B929997.asc