Re: [Openstack-operators] Guest crash and KVM unhandled rdmsr

Hi Saverio, On 13 October 2017 at 09:05, Saverio Proto wrote: > I found this link in my browser history: > https://bugs.launchpad.net/ubuntu/+source/kvm/+bug/1583819 Thanks. Yes, have seen that one too. > Is it the same messages that you are seeing in Xenial ? There are a

Re: [Openstack-operators] Guest crash and KVM unhandled rdmsr

Blair, We’ve seen these errors in our deployment as well, on CentOS 7.3 with 3.10 kernels, when looking into instance issues. So far we’ve always discarded them as not relevant to the problems observed, so I’d be very interested if it turns out that these should better not be ignored. Cheers,

Re: [Openstack-operators] Guest crash and KVM unhandled rdmsr

Hi Blair, We had a few cases of compute nodes hanging with the last log in syslog being related to "rdmsr", and requiring hard reboots: kvm [29216]: vcpu0 unhandled rdmsr: 0x345 The workloads are probably similar to yours (SGE workers doing genomics) with CPU mode host-passthrough, on top of

Re: [Openstack-operators] Guest crash and KVM unhandled rdmsr

Hello Blair, I found this link in my browser history: https://bugs.launchpad.net/ubuntu/+source/kvm/+bug/1583819 Is it the same messages that you are seeing in Xenial ? Saverio 2017-10-12 23:26 GMT+02:00 Blair Bethwaite : > Hi all, > > Has anyone seen guest

[Openstack-operators] Guest crash and KVM unhandled rdmsr

Hi all, Has anyone seen guest crashes/freezes associated with KVM unhandled rdmsr messages in dmesg on the hypervisor? We have seen these messages before but never with a strong correlation to guest problems. However over the past couple of weeks this is happening almost daily with consistent