That's an AMD Jaguar architecture CPU according to CPU-World.

It's meant for low-power desktop use, and was initially produced in
2014. As the flags show, It does support svm.

Only an AMD cpu type will work with AMD host CPUs. However, if you've
already tried the existing Opteron types and it doesn't work, then the
host CPU isn't officially supported by oVirt. (FYI: Desktop and Mobile
CPUs aren't officially supported by oVirt regardless of manufacturer.)

As such, you'll need to manually add the cpu model to oVirt's database
to get it to work correctly. Sadly, that's a question for the devs. I
think I've seen a write up somewhere for that but I can't find it
currently. If any dev would like to chime in, I'd love to get that info
for my own use.

It would be nice if oVirt would just allow a generic profile even if it
was fully unsupported. Like how VMWare has the allow unsupported
checkbox in it's advanced settings. At the very least it would allow
for testing / development or for small setups where going out to buy a
new server blade isn't an option at any price.

-Patrick Hibbs

On Fri, 2022-06-03 at 21:34 +0200, Pavel Mlčoch wrote:
> I'm trying install ovirt cluster with ovirt-engine as VM on
> server1(currently rocky8.6) and ovirt-node as server2.
> I create cluster and try add server2, but I always get unsupported
> CPU
> type error. I tried edit cluster with CPU Types AMD opterons, Intel
> IvyB, Intel Nahalem and error stays the same.
> 
> Know anybody which CPU type can be used for Athlon5350 or how to
> solve
> this error?
> 
> oVirt Open Virtualization Manager
> Software Version:4.5.0.8-1.el8
> 
> VARIANT="oVirt Node 4.5.0.3"
> 
> INFO  [org.ovirt.engine.core.vdsbroker.monitoring.HostMonitoring]
> (EE-
> ManagedScheduledExecutorService-engineScheduledThreadPool-Thread-45)
> [7501128a] Host 'server2.pavkamlc.cz'(f8c2d5e5-5177-42cc-a406-
> 599efbe3b32a) is already in NonOperational status for reason
> 'CPU_TYPE_UNSUPPORTED_IN_THIS_CLUSTER_VERSION'. SetNonOperationalVds
> command is skipped.
> 
> model name      : AMD Athlon(tm) 5350 APU with Radeon(tm) R3
> 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 rep_good nopl nonstop_tsc
> cpuid
> extd_apicid aperfmperf pni pclmulqdq monitor ssse3 cx16 sse4_1 sse4_2
> movbe popcnt aes xsave avx f16c lahf_lm cmp_legacy svm extapic
> cr8_legacy abm sse4a misalignsse 3dnowprefetch osvw ibs skinit wdt
> topoext perfctr_nb bpext perfctr_llc hw_pstate proc_feedback ssbd
> vmmcall bmi1 xsaveopt arat npt lbrv svm_lock nrip_save tsc_scale
> flushbyasid decodeassists pausefilter pfthreshold overflow_recov
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