On 11/07/2017 03:12 PM, Nathan March wrote: > Since moving from 4.4 to 4.6, I've been seeing an increasing number of > stability issues on our hypervisors. I'm not clear if there's a singular > root cause here, or if I'm dealing with multiple bugs. > > > > One of the more common ones I've seen, is a VM on shutdown will remain in > the null state and a kernel bug is thrown: > > > > xen001 log # xl list > > Name ID Mem VCPUs State > Time(s) > > Domain-0 0 6144 24 r----- > 6639.7 > > (null) 3 0 1 --pscd > 36.3 > > > > [89920.839074] BUG: unable to handle kernel paging request at > ffff88020ee9a000 > <snip> > This is on xen 4.6.6-4.el6 with 4.9.58-29.el6.x86_64. I see these issues > across a wide number of systems with from both Dell and Supermicro, although > we run the same Intel x540 10gb nic's in each system with the same netapp > nfs backend storage. We don't use NFS and have not seen the exact same issue. --Sarah _______________________________________________ CentOS-virt mailing list CentOS-virt@xxxxxxxxxx https://lists.centos.org/mailman/listinfo/centos-virt
