On 03/10/2012 10:57 PM, Johnny Hughes wrote: > On 03/10/2012 08:12 PM, Markus Falb wrote: >> On 9.3.2012 09:43, Rainer Traut wrote: >>> Am 08.03.2012 15:37, schrieb Markus Falb: >>> >>>> I read your original message regarding this >>>> https://www.redhat.com/archives/rhelv5-list/2012-February/msg00060.html >>>> >>>> according to your experiences only upgrading kvm hosts are problematic? >>>> so upgrading only guests to 5.8 is maybe fine? >>> I have had limited time of testing so I'd take this with a grain of >>> salt. After experiencing the NFS problem I rolled all the KVM hosts and >>> guests back to 5.7 kernel and kvm module. >> Actually it hit me too. 2 guests on the same hosts went unresponsive. >> The kernel on the host was not updated but kvm and kmod-kvm was. >> I try with downgraded kvm and kmod-kvm on the host and downgraded kernel >> on the guests like you did. >> >> sigh > I upgraded the kernel to kernel-2.6.18-308.1.1.el5 (also latest kvm and > libvirt) on my host on Thursday night and have had no issues for more > than 2 days. And, now it has crashed. So whatever the issue is, the kernel-2.6.18-308.1.1.el5 does not fix it. As suggested on the RHEL5 list, I have shifted the problem VMs off of the virtio disk driver and to the standard driver. you do this as detailed in this mail: https://www.redhat.com/archives/rhelv5-list/2012-March/msg00017.html We will see if this fixes the issue. I have created an upstream bugzilla entry here: https://bugzilla.redhat.com/show_bug.cgi?id=802118
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