[CentOS] CentOS7 latest kernel still does not run KVM guests

Tue Dec 20 13:26:55 UTC 2022
Johnny Hughes <johnny at centos.org>

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: