Re: [CentOS] Panic with EL7 KVM guest on EL6 host on AMD server with latest kernel
> On 07/17/2018 04:48 PM, Johnny Hughes wrote: >> On 07/17/2018 02:00 AM, Simon Matter wrote: Hi, 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 problem. 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: >>> >>> https://bugs.centos.org/view.php?id=15067 >>> >>> 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: > > https://bugzilla.redhat.com/show_bug.cgi?id=1586278 Looks like your scenario was really quite different. BTW, I've just tested with kernel-3.10.0-862.9.1.el7.x86_64 on the CentOS 7 guest and it still crashes the same way. Regards, Simon ___ CentOS mailing list CentOS@centos.org https://lists.centos.org/mailman/listinfo/centos
Re: [CentOS] Panic with EL7 KVM guest on EL6 host on AMD server with latest kernel
On 07/17/2018 04:48 PM, Johnny Hughes wrote: > On 07/17/2018 02:00 AM, Simon Matter wrote: >>> Hi, >>> >>> 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 >>> problem. >>> >>> 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: >> >> https://bugs.centos.org/view.php?id=15067 >> >> 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: https://bugzilla.redhat.com/show_bug.cgi?id=1586278 signature.asc Description: OpenPGP digital signature ___ CentOS mailing list CentOS@centos.org https://lists.centos.org/mailman/listinfo/centos
Re: [CentOS] Panic with EL7 KVM guest on EL6 host on AMD server with latest kernel
On 07/17/2018 02:00 AM, Simon Matter wrote: >> Hi, >> >> 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 >> problem. >> >> 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: > > https://bugs.centos.org/view.php?id=15067 > > 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. signature.asc Description: OpenPGP digital signature ___ CentOS mailing list CentOS@centos.org https://lists.centos.org/mailman/listinfo/centos
Re: [CentOS] Panic with EL7 KVM guest on EL6 host on AMD server with latest kernel
> Hi, > > 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 > problem. > > 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: https://bugs.centos.org/view.php?id=15067 My feeling is that the recent Intel fixes/workarounds have broken it here for AMD systems :( Regards, Simon ___ CentOS mailing list CentOS@centos.org https://lists.centos.org/mailman/listinfo/centos
