[CentOS] Panic with EL7 KVM guest on EL6 host on AMD server with latest kernel
johnny at centos.org
Tue Jul 17 22:40:16 UTC 2018
On 07/17/2018 04:48 PM, Johnny Hughes wrote:
> On 07/17/2018 02:00 AM, Simon Matter wrote:
>>> I have AMD servers running CentOS 6.10 as KVM host and on it guests
>>> running CentOS 7.5.
>>> Since the latest kernel update on CentOS 6.10,
>>> kernel-2.6.32-754.2.1.el6.x86_64, I can't boot the CentOS 7.5 guests with
>>> kernel-3.10.0-862.6.3.el7.x86_64 anymore.
>>> Reverting CentOS 6.10 host to kernel-2.6.32-754.el6.x86_64 fixes the
>>> Screendump of the panic is attached, not very helpful I guess.
>> I didn't know attachments are stripped by the list.
>> Here is the bugreport:
>> My feeling is that the recent Intel fixes/workarounds have broken it here
>> for AMD systems :(
> I had to set my CPU type to opteron_g3 instead of opteron_g5 for some
> machines on an AMD server.
This was the bug I hit ... not your scenario .. but who knows:
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