Re: CentOS7 latest kernel still does not run KVM guests

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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:

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