Christopher Pereira <kripper@xxxxxxxxxxxx> writes: > Hi, > > I have been experiencing some random guest crashes in the last years and > would like to invest some time in trying to debug them with your help. > > Symptom is: > > 1) "BUG: soft lockup" & "CPU#* stuck for *s!" messages during high load > on the guest > 2) At some point later (eg. 12 hours later), the guest just hangs > without any message and must be destroyed / rebooted. > > I attached the relevant kernel messages. > > Host (spec: Intel(R) Xeon(R) CPU E5645) is running: > > kernel-3.10.0-327.el7.x86_64 > libvirt-daemon-kvm-1.2.17-13.el7_2.5.x86_64 > qemu-kvm-ev-2.3.0-31.el7_2.10.1.x86_64 > qemu-kvm-common-ev-2.3.0-31.el7_2.10.1.x86_64 This is pretty old stuff, e.g. kernel-3.10.0-327.el7 was release with RHEL-7.2 (Nov 2015). As this is upstream mailing list, it would be great if you could build an upstream kernel (should work with EL7 userspace) and try to reproduce. -- Vitaly
