Hi Marcelo, thanks for your answer. On Thu, Mar 23, 2017 at 03:54:04PM -0300, Marcelo Tosatti wrote: > Never seen this before. To debug i would: > > 1) enable the following tracepoints in the host: > # echo kvm_inj_virq > > # /sys/kernel/debug/tracing/set_event Where would the trace go to in this case? > 2) enable tracing for the following functions in the guest (for > this function, don't remember from the top of my > head how to do it, search for set_ftrace_filter > in the ftrace documentation): > > update_wall_time Would https://lwn.net/Articles/370423/ be a good place to start reading? > What version of the host/guest is this again? Both host and guest are running Debian unstable, currently kernel 4.10.5, libvirt 3.0.0, qemu-kvm 2.8. I haven't seen this behavior in a while, and will report back when I see it for the next time. Greetings Marc -- ----------------------------------------------------------------------------- Marc Haber | "I don't trust Computers. They | Mailadresse im Header Leimen, Germany | lose things." Winona Ryder | Fon: *49 6224 1600402 Nordisch by Nature | How to make an American Quilt | Fax: *49 6224 1600421
