I would expect that only a host kernel bug (inside or outside the OVS kernel module) would cause a host kernel panic and reboot, so I am surprised at the idea that a bug in Xen tools (in the guest) would cause a host reboot. Is that really what you meant?
On Wed, May 16, 2012 at 07:08:38PM -0700, Jesse Gross wrote: > I haven't heard about this problem before but I agree that it sounds > like it's not related to OVS. It could be a bug in the Xen tools for > Windows. If I recall correctly, some versions incorrectly set up the > descriptors for TSO frames. You might be able to work around it by > disabling large send offload in the guest. > > On Wed, May 16, 2012 at 3:23 PM, Guilherme M. Schroeder > <[email protected]> wrote: > > I'm using version 1.4.0. I've compiled from master too, 1.7.90, same > > problem. > > We still don't know what triggers it but it's related to Windows VMs. > > We have Windows and Linux XenServer hosts and this problem just occur > > on the Windows hosts. > > The Windows hosts runs 2003 and 2008 versions. > > > > I've disabled "rx tx sg tso ufo gso" with ethtool on network > > interfaces of dom0 and pif and vifs, but it still crashes, thought i > > didn't get the dump from domain0 (it was empty). > > > > I'm afraid that this is a bug on kernel (2.6.32). We have other hosts > > that run XenServer 5.6 in bridge mode and some days ago i got a stack > > trace showing a crash on skb_gso_segments, so i don't think it's > > related to OpenvSwitch. > > > > Right now i'm trying to setup a Debian Wheezy with xcp-xapi. It have a > > newer kernel (3.2.0) also OpenvSwitch is buit-in. Gonna see how it > > works. > > > > Let me know if you need more info or have some idea. > > > > Thanks. > > > > On Wed, May 16, 2012 at 2:27 PM, Jesse Gross <[email protected]> wrote: > >> On Mon, May 14, 2012 at 12:50 PM, Guilherme M. Schroeder > >> <[email protected]> wrote: > >>> We have a lot of hosts that reboot randomly and today, using a new > >>> hardware (HP BL460c G8) we got XenServer 6.0.2 to dump it's crash > >>> successfully. > >>> Kernel log is attached. > >> > >> What version of OVS is this? Is there anything in particular that > >> triggers this? > _______________________________________________ > discuss mailing list > [email protected] > http://openvswitch.org/mailman/listinfo/discuss _______________________________________________ discuss mailing list [email protected] http://openvswitch.org/mailman/listinfo/discuss
