Ubuntu
qemu package

  1. Bug #2019971
  2. Comment #2

Comment 2 for bug 2019971

Revision history for this message
Markus Schade (lp-markusschade) wrote :

Hi Sergio,

thanks for picking this up. I think this one should be done last as it builds on the patches for EPYC-Milan-v2. While the qemu patches were easy to be found, I haven't tracked down the kernel ones, yet. Also upstream libvirt is missing. I have a Genoa system to test, so trying to run just qemu on this system with the patches from #2019968 as well es this one results in:

# qemu-system-x86_64 -enable-kvm -cpu EPYC-Genoa-v1,enforce=on
qemu-system-x86_64: warning: host doesn't support requested feature: CPUID.80000008H:EBX.amd-psfd [bit 28]
qemu-system-x86_64: warning: host doesn't support requested feature: CPUID.80000021H:EAX.no-nested-data-bp [bit 0]
qemu-system-x86_64: warning: host doesn't support requested feature: CPUID.80000021H:EAX.lfence-always-serializing [bit 2]
qemu-system-x86_64: warning: host doesn't support requested feature: CPUID.80000021H:EAX.null-sel-clr-base [bit 6]
qemu-system-x86_64: warning: host doesn't support requested feature: CPUID.80000021H:EAX.auto-ibrs [bit 8]

The #2019967 is on the other hand quite straightforward. So maybe start with this one.