[ovirt-users] Re: Wrong CPU?

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...