loading msr did the trick without removing mpx:
root@dellr760:~# grep mpx /usr/share/libvirt/cpu_map/x86_Icelake-Client*
/usr/share/libvirt/cpu_map/x86_Icelake-Client-noTSX.xml: <feature
name='mpx'/>
/usr/share/libvirt/cpu_map/x86_Icelake-Client.xml: <feature name='mpx'/>
root@dellr760:~# virsh capabilities | grep -i model -m 1; cat /proc/cpuinfo |
grep "model name" -m 1
<model>Icelake-Server-noTSX</model>
model name : Intel(R) Xeon(R) Gold 6430
root@dellr760:~# lsmod | grep msr
intel_rapl_msr 20480 0
intel_rapl_common 40960 1 intel_rapl_msr
root@dellr760:~# modprobe msr
root@dellr760:~# systemctl restart libvirtd
root@dellr760:~# virsh capabilities | grep -i model -m 1; cat /proc/cpuinfo |
grep "model name" -m 1
<model>SapphireRapids-noTSX</model>
model name : Intel(R) Xeon(R) Gold 6430
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https://bugs.launchpad.net/bugs/2084102
Title:
Sapphire rapids not recognized by virsh capabilities
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