Re: [Libvir] [patch] qemu/kvm: use_system_powerdown instead of killing the vm hard

On Wed, Jan 09, 2008 at 03:56:52PM +0000, Daniel P. Berrange wrote: > On Wed, Jan 09, 2008 at 04:11:44PM +0100, Guido Guenther wrote: > > On Tue, Jan 08, 2008 at 06:34:36PM +0000, Daniel P. Berrange wrote: > > > Fair enough. Any idea if the 'system_reboot' command is also wired up > > > in KVM yet ? We should probably just add code to call it anyway since > > > it'll be near identical code to that which you used for shutdown, and > > > its better than leaving domainReboot driver method as a no-op. > > There's no system_reboot in either kvm nor qemu. I see two solutions > > for wireing up domainReboot(). Either qemu/kvm accepts a parameter to > > system_powerdown to signal that we should restart the vm instead of > > simply shutting down or we simply send > > "sendkey ctrl-alt-delete" > > to the monitor which might be very fragile though. Both solutions depend > > on the os in the vm doing the right thing (acpi event handling in the > > first case). > > Well there's a 'system_reset' monitor command, but its unclear if > its actually working - when i run it, it stops the guest from responding > to any keyboard input and makes it take 100% CPU, but doesn't reboot :-( > If that's not suitable i think the ctrl-alt-delete thing is probably the > best we can do. You are quicker than me... With an up-to-date kvm, system_reset seems to be working fine (it was buggy in previous kvms).