Hi,for any of you who wants AMD EPYC support right now (its a hack, not proper tested!):
1) Make sure your node and your engine are running under RedHat/CentOS 7.5
[root@ovirt ~]# cat /etc/redhat-release CentOS Linux release 7.5.1804 (Core)
2) Get your PostgreSQL credentials
less /etc/ovirt-engine/engine.conf.d/10-setup-database.conf
3) Make the PostgreSQL libs available, so that we can start the PostgreSQL client later.
echo '/opt/rh/rh-postgresql95/root/lib64/' >/etc/ld.so.conf.d/postgresql_opt.conf
4) Become PostgreSQL user.
su - postgres
5) Connect to the PostgreSQL database.
/opt/rh/rh-postgresql95/root/bin/psql -h localhost -p 5432 -U engine -W
6) Run the database update:
select fn_db_update_config_value('ServerCPUList', '3:Intel Conroe
Family:vmx,nx,model_Conroe:Conroe:x86_64; 4:Intel Penryn
Family:vmx,nx,model_Penryn:Penryn:x86_64; 5:Intel Nehalem
Family:vmx,nx,model_Nehalem:Nehalem:x86_64; 6:Intel Nehalem IBRS
Family:vmx,nx,spec_ctrl,model_Nehalem:Nehalem,+spec-ctrl:x86_64; 7:Intel
Nehalem IBRS SSBD
Family:vmx,nx,spec_ctrl,ssbd,model_Nehalem:Nehalem,+spec-ctrl,+ssbd:x86_64;
8:Intel Westmere Family:aes,vmx,nx,model_Westmere:Westmere:x86_64; 9:Intel
Westmere IBRS
Family:aes,vmx,nx,spec_ctrl,model_Westmere:Westmere,+spec-ctrl:x86_64; 10:Intel
Westmere IBRS SSBD
Family:aes,vmx,nx,spec_ctrl,ssbd,model_Westmere:Westmere,+pcid,+spec-ctrl,+ssbd:x86_64;
11:Intel SandyBridge Family:vmx,nx,model_SandyBridge:SandyBridge:x86_64;
12:Intel SandyBridge IBRS
Family:vmx,nx,spec_ctrl,model_SandyBridge:SandyBridge,+spec-ctrl:x86_64;
13:Intel SandyBridge IBRS SSBD
Family:vmx,nx,spec_ctrl,ssbd,model_SandyBridge:SandyBridge,+pcid,+spec-ctrl,+ssbd:x86_64;
14:Intel Haswell-noTSX Family:vmx,nx,model_Haswell-noTSX:Haswell-noTSX:x86_64;
15:Intel Haswell-noTSX IBRS
Family:vmx,nx,spec_ctrl,model_Haswell-noTSX:Haswell-noTSX,+spec-ctrl:x86_64;
16:Intel Haswell-noTSX IBRS SSBD
Family:vmx,nx,spec_ctrl,ssbd,model_Haswell-noTSX:Haswell-noTSX,+spec-ctrl,+ssbd:x86_64;
17:Intel Haswell Family:vmx,nx,model_Haswell:Haswell:x86_64; 18:Intel Haswell
IBRS Family:vmx,nx,spec_ctrl,model_Haswell:Haswell,+spec-ctrl:x86_64; 19:Intel
Haswell IBRS SSBD
Family:vmx,nx,spec_ctrl,ssbd,model_Haswell:Haswell,+spec-ctrl,+ssbd:x86_64;
20:Intel Broadwell-noTSX
Family:vmx,nx,model_Broadwell-noTSX:Broadwell-noTSX:x86_64; 21:Intel
Broadwell-noTSX IBRS
Family:vmx,nx,spec_ctrl,model_Broadwell-noTSX:Broadwell-noTSX,+spec-ctrl:x86_64;
22:Intel Broadwell-noTSX IBRS SSBD
Family:vmx,nx,spec_ctrl,ssbd,model_Broadwell-noTSX:Broadwell-noTSX,+spec-ctrl,+ssbd:x86_64;
23:Intel Broadwell Family:vmx,nx,model_Broadwell:Broadwell:x86_64; 24:Intel
Broadwell IBRS
Family:vmx,nx,spec_ctrl,model_Broadwell:Broadwell,+spec-ctrl:x86_64; 25:Intel
Broadwell IBRS SSBD
Family:vmx,nx,spec_ctrl,ssbd,model_Broadwell:Broadwell,+spec-ctrl,+ssbd:x86_64;
26:Intel Skylake Client
Family:vmx,nx,model_Skylake-Client:Skylake-Client:x86_64; 27:Intel Skylake
Client IBRS
Family:vmx,nx,spec_ctrl,model_Skylake-Client:Skylake-Client,+spec-ctrl:x86_64;
28:Intel Skylake Client IBRS SSBD
Family:vmx,nx,spec_ctrl,ssbd,model_Skylake-Client:Skylake-Client,+spec-ctrl,+ssbd:x86_64;
29:Intel Skylake Server
Family:vmx,nx,model_Skylake-Server:Skylake-Server:x86_64; 30:Intel Skylake
Server IBRS
Family:vmx,nx,spec_ctrl,model_Skylake-Server:Skylake-Server,+spec-ctrl:x86_64;
31:Intel Skylake Server IBRS SSBD
Family:vmx,nx,spec_ctrl,ssbd,model_Skylake-Server:Skylake-Server,+spec-ctrl,+ssbd:x86_64;
2:AMD Opteron G1:svm,nx,model_Opteron_G1:Opteron_G1:x86_64; 3:AMD Opteron
G2:svm,nx,model_Opteron_G2:Opteron_G2:x86_64; 4:AMD Opteron
G3:svm,nx,model_Opteron_G3:Opteron_G3:x86_64; 5:AMD Opteron
G4:svm,nx,model_Opteron_G4:Opteron_G4:x86_64; 6:AMD Opteron
G5:svm,nx,model_Opteron_G5:Opteron_G5:x86_64; 7:AMD
EPYC:svm,nx,model_EPYC:EPYC:x86_64; 8:AMD EPYC
IBPB:svm,nx,ibpb,model_EPYC:EPYC,+ibpb:x86_64; 3:IBM
POWER8:powernv,model_POWER8:POWER8:ppc64; 4:IBM
POWER9:powernv,model_POWER9:POWER9:ppc64; 2:IBM z114,
z196:sie,model_z196-base:z196-base:s390x; 3:IBM zBC12,
zEC12:sie,model_zEC12-base:zEC12-base:s390x; 4:IBM z13s,
z13:sie,model_z13-base:z13-base:s390x; 5:IBM
z14:sie,model_z14-base:z14-base:s390x;', '4.2');
7) Exit PostgreSQL and the PostgreSQL user, restart the ovirt-engine
systemctl restart ovirt-engine
After that we are able to use the AMD EPYC processor model.
[root@virtual-machine ~]# cat /proc/cpuinfo processor : 0 vendor_id : AuthenticAMD cpu family : 23 model : 1 model name : AMD EPYC Processor stepping : 2 microcode : 0x1000065 cpu MHz : 2399.998 cache size : 512 KB physical id : 0 siblings : 8 core id : 0 cpu cores : 8 apicid : 0 initial apicid : 0 fpu : yes fpu_exception : yes cpuid level : 13 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 art rep_good nopl extd_apicid eagerfpu pni pclmulqdq ssse3 fma cx16 sse4_1 sse4_2 x2apic movbe popcnt aes xsave avx f16c rdrand hypervisor lahf_lm cmp_legacy cr8_legacy abm sse4a misalignsse 3dnowprefetch osvw retpoline_amd vmmcall fsgsbase bmi1 avx2 smep bmi2 rdseed adx smap clflushopt sha_ni xsaveopt xsavec xgetbv1 arat bogomips : 4799.99 TLB size : 1024 4K pages clflush size : 64 cache_alignment : 64 address sizes : 48 bits physical, 48 bits virtual power management:
Keep in mind that next database update will overwrite the changes that you made, so maybe apply this again.
Greeting Tobias
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