On Thu, Feb 7, 2019 at 7:56 AM Greg Sheremeta <gshereme@redhat.com> wrote:
AMD EPYC IBPB is deprecated in 4.3.The deprecated CPUs (cpus variable, that entire list) are:So, *-IBRS [IBRS-SSBD is still ok], Epyc IBPB, Conroe, Penryn, and Opteron G1-3. If you have those, you need to change it to a supported type while it's in 4.2 still.GregOn Thu, Feb 7, 2019 at 1:11 AM Ryan Bullock <rrb3942@gmail.com> wrote:_______________________________________________We just updated our engine to 4.3, but when I tried to update one of our AMD EPYC hosts it could not activate with the error:
Host vmc2h2 moved to Non-Operational state as host CPU type is not supported in this cluster compatibility version or is not supported at all.
Relevant (I think) parts from the the engine log:
(EE-ManagedThreadFactory-engineScheduled-Thread-82) [ee51a70] Could not find server cpu for server 'vmc2h2' (745a14c6-9d31-48a4-9566-914647d83f53), flags: 'fpu,vme,de,pse,tsc,msr,pae,mce,cx8,apic,sep,mtrr,pge,mca,cmov,pat,pse36,clflush,mmx,fxsr,sse,sse2,ht,syscall,nx,mmxext,fxsr_opt,pdpe1gb,rdtscp,lm,constant_tsc,art,rep_good,nopl,nonstop_tsc,extd_apicid,amd_dcm,aperfmperf,eagerfpu,pni,pclmulqdq,monitor,ssse3,fma,cx16,sse4_1,sse4_2,movbe,popcnt,aes,xsave,avx,f16c,rdrand,lahf_lm,cmp_legacy,svm,extapic,cr8_legacy,abm,sse4a,misalignsse,3dnowprefetch,osvw,skinit,wdt,tce,topoext,perfctr_core,perfctr_nb,bpext,perfctr_l2,cpb,hw_pstate,sme,retpoline_amd,ssbd,ibpb,vmmcall,fsgsbase,bmi1,avx2,smep,bmi2,rdseed,adx,smap,clflushopt,sha_ni,xsaveopt,xsavec,xgetbv1,clzero,irperf,xsaveerptr,arat,npt,lbrv,svm_lock,nrip_save,tsc_scale,vmcb_clean,flushbyasid,decodeassists,pausefilter,pfthreshold,avic,v_vmsave_vmload,vgif,overflow_recov,succor,smca'
2019-02-06 17:23:58,527-08 INFO [org.ovirt.engine.core.vdsbroker.SetVdsStatusVDSCommand] (EE-ManagedThreadFactory-engineScheduled-Thread-82) [7f6d4f0d] START, SetVdsStatusVDSCommand(HostName = vmc2h2, SetVdsStatusVDSCommandParameters:{hostId='745a14c6-9d31-48a4-9566-914647d83f53', status='NonOperational', nonOperationalReason='CPU_TYPE_INCOMPATIBLE_WITH_CLUSTER'
From virsh -r capabilities:
<cpu>
<arch>x86_64</arch>
<model>EPYC-IBPB</model>
<vendor>AMD</vendor>
<microcode version='134222375'/>
<topology sockets='1' cores='32' threads='2'/>
<feature name='ht'/>
<feature name='osxsave'/>
<feature name='xsaves'/>
<feature name='cmp_legacy'/>
<feature name='extapic'/>
<feature name='skinit'/>
<feature name='wdt'/>
<feature name='tce'/>
<feature name='topoext'/>
<feature name='perfctr_core'/>
<feature name='perfctr_nb'/>
<feature name='invtsc'/>
<pages unit='KiB' size='4'/>
<pages unit='KiB' size='2048'/>
<pages unit='KiB' size='1048576'/>
</cpu>
I also tried creating a new 4.3 cluster, set to the AMD EPYC IPBDB SSBD and moving the host into it, but it failed to move it into that cluster with a similar error about an unsupported CPU (for some reason it also made me clear the additional kernel options as well, we use 1gb hugepages). I have not yet tried removing the host entirely and adding it as part of creating the new cluster.
We have been/are using a database change to update the 4.2 cluster level to include EPYC support with the following entries (can post the whole query if needed):
7:AMD EPYC:svm,nx,model_EPYC:EPYC:x86_64; 8:AMD EPYC IBPB:svm,nx,ibpb,model_EPYC:EPYC-IBPB:x86_64
We have been running 4.2 with this for awhile. We did apply the same changes after the 4.3 update, but only for the 4.2 cluster level. We only used the AMD EPYC IBPB model.
Reverting the host back to 4.2 allows it to activate and run normally.
Anyone have any ideas as to why it can't seem to find the cpu type?Thanks,Ryan Bullock
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