On Fri, Mar 28, 2014 at 12:29:18AM +0100, Marcin Gibuła wrote: > W dniu 2014-03-27 23:52, Chris Dunlop pisze: >> Hi, >> >> I have a problem where I migrate a linux guest VM, and on the >> receiving side the guest goes to 100% cpu as seen by the host, and >> the guest itself is unresponsive, e.g. not responding to ping etc. >> The only way out I've found is to destroy the guest. >> >> This seems to only happen if the guest has been idle for an extended >> period (e.g. overnight). I've migrated the guest 100 times in a row >> without any problems when the guest has been used "a little" (e.g. >> logging in and looking around, it's not doing anything normally). > > Hi, > > I've seen very similar problem on our installation. Have you tried to > run with kvm-clock explicitly disabled (either via no-kvmclock in > guest kernel or with -kvm-clock in qemu) ?
No, I haven't tried it yet (I've confirmed kvm-clock is currently being used). I'll have a look at it. Did it help your issue? Thanks, Chris