Re: [Qemu-devel] Timer issues with 2.1.1 and migration (was: latest rc: virtio-blk hangs forever after migration)

2014-09-30 Thread Paolo Bonzini
Il 29/09/2014 20:31, Andrey Korolyov ha scritto: >> > >> > Can you get a trace of the guest (echo kvm > >> > /sys/kernel/debug/tracing/set_event; sleep 1s; cp >> > /sys/kernel/debug/tracing/trace /tmp/trace.txt) while it is in the 100% >> > cpu consumption state? >> > >> > Is it otherwise operation

Re: [Qemu-devel] Timer issues with 2.1.1 and migration (was: latest rc: virtio-blk hangs forever after migration)

2014-09-29 Thread Andrey Korolyov
On Mon, Sep 29, 2014 at 10:25 PM, Marcelo Tosatti wrote: > Andrey, > > Can you get a trace of the guest (echo kvm > > /sys/kernel/debug/tracing/set_event; sleep 1s; cp > /sys/kernel/debug/tracing/trace /tmp/trace.txt) while it is in the 100% > cpu consumption state? > > Is it otherwise operational

Re: [Qemu-devel] Timer issues with 2.1.1 and migration (was: latest rc: virtio-blk hangs forever after migration)

2014-09-29 Thread Marcelo Tosatti
Andrey, Can you get a trace of the guest (echo kvm > /sys/kernel/debug/tracing/set_event; sleep 1s; cp /sys/kernel/debug/tracing/trace /tmp/trace.txt) while it is in the 100% cpu consumption state? Is it otherwise operational? On Thu, Sep 25, 2014 at 10:40:27PM +0400, Andrey Korolyov wrote: > He

[Qemu-devel] Timer issues with 2.1.1 and migration (was: latest rc: virtio-blk hangs forever after migration)

2014-09-25 Thread Andrey Korolyov
Hello, there is a somewhat weird issue with 3.10, backported IOAPIC behavior (which allowed windows guest to not hang in my case), 2.1.1 and webkit suite which is well-known for all timer weirdness for Windows guests. Here is a way to reproduce: - start the guest, - open webkit-based browser, cpu