On 03/20/2017 08:35 AM, PJ Welsh wrote: > Updating my CentOS 6.8 Xen server with new 4.9.13 kernel yields a kernel > boot message of a few like "APIC ID MISMATCH" and the system reboots > immediately without any other bits of info. This is on a Dell R710 with > 64GB RAM and 2x 6-core Intel CPU's. > As an additional test, I installed and attempted to run the current > "testing" kernel of 4.9.16 with the exact same results. > > Anyone have an idea? The 3.18.x series runs without issue of course. > I think the APIC ID MISMATCH is an expected and ignorable error .. see: https://patchwork.kernel.org/patch/9539933/ I applied that patch and I am building a 4.9.16-23 right now, I 'll publish it when it finishes. Maybe with the error gone we can get a better error in the console. -------------- next part -------------- A non-text attachment was scrubbed... Name: signature.asc Type: application/pgp-signature Size: 198 bytes Desc: OpenPGP digital signature URL: <http://lists.centos.org/pipermail/centos-virt/attachments/20170320/2ccef331/attachment-0006.sig>