On Tue, Jan 25, 2011 at 9:49 AM, Stefan Hajnoczi <stefa...@gmail.com> wrote: > If any other vcpu interruption makes virtio-ioeventfd chug along then > why are you seeing 100% CPU livelock? My theory is that dynticks has > a race condition which causes timers to stop working in QEMU.
I forgot to mention that you can test this theory by building without I/O thread and running with -clock hpet. If the guest no longer hangs, then this suggests you're seeing the dynticks race condition. Stefan
