Hello,

This week I tried to deploy Hosted Engine on Ovirt-Node-NG 4.3.7 based Host.

At the time the locally deployed Engine ist copied to hosted-storage (in
my case NFS) and deployment tries to start the Engine (via
ovirt-ha-agent) this fails.

QUEMU Log (/var/log/libvirt/qemu/HostedEngine.log) only shows
"2019-11-27 16:17:16.833+0000: shutting down, reason=failed".

Researching the cause is: The built Libvirt VM XML includes the feature
"virt-ssbd" as requirement, which is simly not there.

>From VM XML:

  <cpu mode='custom' match='exact' check='partial'>
    <model fallback='allow'>EPYC</model>
    <topology sockets='16' cores='4' threads='1'/>
    <feature policy='require' name='ibpb'/>
    <feature policy='require' name='virt-ssbd'/>

from cat /proc/cpuinfo:

processor       : 47
vendor_id       : AuthenticAMD
cpu family      : 23
model           : 49
model name      : AMD EPYC 7402P 24-Core Processor
stepping        : 0
microcode       : 0x830101c
cpu MHz         : 2800.000
cache size      : 512 KB
physical id     : 0
siblings        : 48
core id         : 30
cpu cores       : 24
apicid          : 61
initial apicid  : 61
fpu             : yes
fpu_exception   : yes
cpuid level     : 16
wp              : yes
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
bogomips        : 5600.12
TLB size        : 3072 4K pages
clflush size    : 64
cache_alignment : 64
address sizes   : 43 bits physical, 48 bits virtual
power management: ts ttp tm hwpstate cpb eff_freq_ro [13] [14]

Any solution/workaround available ?

-- 


*Ralf Schenk*
fon +49 (0) 24 05 / 40 83 70
fax +49 (0) 24 05 / 40 83 759
mail *r...@databay.de* <mailto:r...@databay.de>
                
*Databay AG*
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Philipp Hermanns
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