On 04.07.2013 11:14, poma wrote: > On 03.07.2013 13:43, Daniel P. Berrange wrote: >> On Tue, Jul 02, 2013 at 01:25:21PM +0200, poma wrote: >>> Hello people, >>> >>> libvirtd (libvirt) 1.0.5.2 >>> virsh 1.0.5.2 >>> virt-manager 0.10.0 >>> >>> Host: >>> Linux localhost 3.9.8-300.fc19.x86_64 #1 SMP Thu Jun 27 19:24:23 UTC >>> 2013 x86_64 x86_64 x86_64 GNU/Linux >>> Guest1: >>> Linux localhost 3.9.8-300.fc19.i686.PAE #1 SMP Thu Jun 27 19:29:30 UTC >>> 2013 i686 (none) >>> Guest2: >>> Linux localhost 3.9.8-300.fc19.x86_64 #1 SMP Thu Jun 27 19:24:23 UTC >>> 2013 x86_64 x86_64 x86_64 GNU/Linux >>> >>> >>> Virtual NIC - source & model: >>> macvtap/NAT/bridge & virtio(virtio_net) >>> >>> Host freeze at "virsh reset <domain>" or "virt-manager - Force Reset" >>> Need kernel.sysrq or power reset. >> >> I don't believe this is a libvirt issue - the 'virsh reset' command >> will issue the 'system_reset' QEMU monitor command. This in turn >> does an immediate reset of the guest CPUs/machine. >> >> Even if QEMU is doing the wrong thing, the kernel should obviously >> never freeze/crash in this way - it should be robust against a >> malicious QEMU process. >> >> You should probably send this message to the main QEMU and/or KVM >> mailing lists so that it comes to the attention of people who are >> more familiar with QEMU + virtio-net >> >> >> Regards, >> Daniel >> > > Thanks for your response. > Mateusz hit the same issue[1] as well. > OK, here we go. > > > poma > > > [1] https://lists.fedoraproject.org/pipermail/users/2013-July/436984.html OK, is this a side effect or not, but certainly kernel[1] with 'bridge-timer-fix.patch'[2] resolves issue aforementioned, so far. Thanks Cong, Josh. poma [1] http://koji.fedoraproject.org/koji/taskinfo?taskID=5569632 kernel-3.9.8-300.7.fc19.x86_64.rpm [2] https://bugzilla.redhat.com/show_bug.cgi?id=880035#c53 Ref. "fix for unreliable guest->host multicast triggers oops" https://bugzilla.redhat.com/show_bug.cgi?id=980254 -- libvir-list mailing list libvir-list@xxxxxxxxxx https://www.redhat.com/mailman/listinfo/libvir-list