[ovirt-users] Re: Wrong CPU?

Sorry, I meant EPYC, not Ryzen. How did you solve your EPYC issue? -Chris. On 15/11/2019 18:55, Juhani Rautiainen wrote: > Hi! > > It might be that the Qemu in oVirt doesn't recognize the Ryzen. That > was case with Epyc when I started using oVirt. It was reconized as a > Opteron G2 which caused lot's of problems when upgrading to 4.3. > > -Juhani > > On Fri, Nov 15, 2019 at 6:45 PM Christian Reiss > <email(a)christian-reiss.de&gt; wrote: >> >> Hey folks, >> >> running an AMD Ryzen CPU here: >> >> processor : 0 >> vendor_id : AuthenticAMD >> cpu family : 23 >> model : 49 >> model name : AMD EPYC 7282 16-Core Processor >> >> However, libvirt is detecting this as EPYC-IBPB without the ssbd flags? >> >> <cpu> >> <arch>x86_64</arch> >> <model>EPYC-IBPB</model> >> <vendor>AMD</vendor> >> <microcode version='137367580'/> >> <counter name='tsc' frequency='2799999000'/> >> <topology sockets='1' cores='16' threads='2'/> >> <feature name='ht'/> >> <feature name='osxsave'/> >> <feature name='cmt'/> >> <feature name='clwb'/> >> <feature name='umip'/> >> <feature name='xsaves'/> >> <feature name='mbm_total'/> >> <feature name='mbm_local'/> >> <feature name='cmp_legacy'/> >> <feature name='extapic'/> >> <feature name='ibs'/> >> <feature name='skinit'/> >> <feature name='wdt'/> >> <feature name='tce'/> >> <feature name='topoext'/> >> <feature name='perfctr_core'/> >> <feature name='perfctr_nb'/> >> <feature name='invtsc'/> >> <feature name='wbnoinvd'/> >> <pages unit='KiB' size='4'/> >> <pages unit='KiB' size='2048'/> >> <pages unit='KiB' size='1048576'/> >> </cpu> >> >> >> [root@node01 ~]# grep ssbd /var/cache/libvirt/qemu/capabilities/*.xml >> <property name='ssbd' type='boolean' value='false'/> >> <property name='virt-ssbd' type='boolean' value='false'/> >> <property name='ssbd' type='boolean' value='false'/> >> <property name='virt-ssbd' type='boolean' value='false'/> >> >> But the flag is there: >> >> [root@node01 ~]# grep ssbd /proc/cpuinfo | tail -n1 >> 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 xtopology nonstop_tsc >> extd_apicid 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 ibs >> skinit wdt tce topoext perfctr_core perfctr_nb bpext perfctr_l2 cpb >> cat_l3 cdp_l3 hw_pstate sme retpoline_amd ssbd ibrs ibpb stibp vmmcall >> fsgsbase bmi1 avx2 smep bmi2 cqm rdt_a rdseed adx smap clflushopt clwb >> sha_ni xsaveopt xsavec xgetbv1 cqm_llc cqm_occup_llc cqm_mbm_total >> cqm_mbm_local clzero irperf xsaveerptr arat npt lbrv svm_lock nrip_save >> tsc_scale vmcb_clean flushbyasid decodeassists pausefilter pfthreshold >> avic v_vmsave_vmload vgif umip overflow_recov succor smca >> >> I tried adding "options kvm_amd avic=1" as well as "options kvm_amd >> avic=0" to /etc/modprobe.d/kvm.conf (always with reboots), adding >> mitigations=off to grub.. I can't think of any other solution. >> >> I just can't get the oVirt engine running with the ssbd flag. Seems cpu >> can do this, oVirt can do this, libvirt does not detect the cpu >> correctly or at least ignores it. But the hosted engine demands it. >> >> I am at a loss. Any help is oh-so-greatly appreciated. >> >> -Chris. >> >> -- >> Christian Reiss - email(a)christian-reiss.de /"\ ASCII Ribbon >> support(a)alpha-labs.net \ / Campaign >> X against HTML >> WEB alpha-labs.net / \ in eMails >> >> GPG Retrieval https://gpg.christian-reiss.de >> GPG ID ABCD43C5, 0x44E29126ABCD43C5 >> GPG fingerprint = 9549 F537 2596 86BA 733C A4ED 44E2 9126 ABCD 43C5 >> >> "It's better to reign in hell than to serve in heaven.", >> John Milton, Paradise lost. >> _______________________________________________ >> Users mailing list -- users(a)ovirt.org >> To unsubscribe send an email to users-leave(a)ovirt.org >> Privacy Statement: https://www.ovirt.org/site/privacy-policy/ >> oVirt Code of Conduct: https://www.ovirt.org/community/about/community-guidelines/ >> List Archives: https://lists.ovirt.org/archives/list/users@ovirt.org/message/PPXT55FJZES... > > > -- Christian Reiss - email(a)christian-reiss.de /"\ ASCII Ribbon support(a)alpha-labs.net \ / Campaign X against HTML WEB alpha-labs.net / \ in eMails GPG Retrieval https://gpg.christian-reiss.de GPG ID ABCD43C5, 0x44E29126ABCD43C5 GPG fingerprint = 9549 F537 2596 86BA 733C A4ED 44E2 9126 ABCD 43C5 "It's better to reign in hell than to serve in heaven.", John Milton, Paradise lost.