Red Hat Bugzilla – Bug 1524824
[RFE] Add support for AMD EPYC processors
Last modified: 2018-05-15 13:47:49 EDT
+++ This bug was initially created as a clone of Bug #1445834 +++ Based on LKML email, the processor has all the features in Opteron_G5 plus the following features: cpu family : 23 model : 1 model name : AMD Ryzen 7 1800X Eight-Core Processor flags : mmxext fxsr_opt rdtscp movbe rdrand extapic cr8_legacy 3dnowprefetch fsgsbase bmi1 avx2 smep bmi2 rdseed adx smap clflushopt sha_ni xsaveopt xsavec xgetbv1 xsaves clzero topoext The "topoext" feature needs extra support in QEMU. "bpext" and "mwaitx" may need KVM support too.
comes in 7.5
WARN: Bug status wasn't changed from MODIFIED to ON_QA due to the following reason: [Found non-acked flags: '{'rhevm-4.2-ga': '?'}', ] For more info please contact: rhv-devops@redhat.comINFO: Bug status wasn't changed from MODIFIED to ON_QA due to the following reason: [Found non-acked flags: '{'rhevm-4.2-ga': '?'}', ] For more info please contact: rhv-devops@redhat.com
Verified with: Engine Version: 4.2.2.6-0.1.el7 Host: OS Version: RHEL - 7.5 - 8.el7 VDSM Version: vdsm-4.20.23-1.el7ev Kernel Version: 3.10.0 - 861.el7.x86_64 KVM Version: 2.10.0 - 21.el7_5.1 LIBVIRT Version: libvirt-3.9.0-14.el7_5.2 Host info: # virsh -r capabilities | head <capabilities> <host> <uuid>19cde1af-9927-4009-8ab6-b96310057acd</uuid> <cpu> <arch>x86_64</arch> <model>EPYC</model> <vendor>AMD</vendor> <microcode version='134222343'/> <topology sockets='1' cores='2' threads='2'/> Verification steps: 1.Create AMD EPYC cluster 2.Add Host1 to this cluster 2.Run VM1 on Host1 3.VM1 up and running
Since the problem described in this bug report should be resolved in a recent advisory, it has been closed with a resolution of ERRATA. For information on the advisory, and where to find the updated files, follow the link below. If the solution does not work for you, open a new bug report. https://access.redhat.com/errata/RHEA-2018:1488