On Thu, 03 May 2012 09:56:52 +0200 Gerd Hoffmann <kra...@redhat.com> wrote:
> Hi, > > > I think that the question we have to answer is: apart from the keyboard > > and mouse, is there any device that wants to run while qemu is suspended? > > pretty much anything which may wake up the guest. The nics for example > for wake-on-lan. I'm not sure whenever they care about the runstate at > all though. > > Mouse and keyboard ignore events when the guest is stopped so if you > type into a vnc client for a stopped guest the events wouldn't get > queued up and cause unwanted effects when unpausing the guest. When > suspended we want forward the events though so wakeup-by-keyboard works. > > Not sure whenever we have simliar logic elsewhere (like stop queuing > network packets when the guest doesn't run). I've quickly checked this and it seems we don't. However, I've ran into a different issue today: migrating while suspended doesn't work. The target VM seems to be locked into S3, it just doesn't resume. Haven't investigated yet, but this is expected to work, right?