On 12/20/22 07:25, Johnny Hughes wrote: > On 12/20/22 06:50, Bill Gee wrote: >> The two latest kernels for CentOS7 are complete fails for running KVM >> and QEMU guest machines. >> >> Version 3.10.0-1160.76.1 works correctly. Both 3.10.0-1160.80.1 and >> 3.10.0-1160.81.1 will hang within seconds of launching any virtual >> machine. It is a HARD hang. I have to pull the power cord from the >> computer in order to regain control. >> >> Since 81.1 came out within the last few days, I assumed it would >> contain a fix for this problem. It does not. >> >> Does anyone know when a kernel will be released that fixed this problem? >> > This is not true for all KVM guests. This kernel is actually installed > and test booted before release on a cold iron, KVM VM, Virtual Box VM, > and ESXi VM. > > It also passes our t_functional test suite: > > > > All C7 updates run through all these tests for all new rpms. > > So this problem has some other specific cause. Is this on a E5507 > processor? > > What OS is the KVM host running. I assume this is x86_64 arch? Oh, here is a list to the test suite: https://github.com/CentOS/sig-core-t_functional