This bug was fixed in the package uvtool - 0~git178-0ubuntu1
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uvtool (0~git178-0ubuntu1) jammy; urgency=medium
[ Christian Ehrhardt ]
* Default to "as close as possible to the host CPU" for the guest CPU model,
and allow overriding it with --cpu-model (LP: #1869185).
* Su
On arm64 host-passthrough was already the default in the XML (and the
only thing working reliable).
--host-model doesn't work as of today on arm64
uvt-kvm: error: libvirt: unsupported configuration: CPU mode 'host-model' for
aarch64 kvm domain on aarch64 host is not supported by hypervisor
While
found an issue when doing emulation, fixed int he MP now
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Title:
Default CPU lacks features and speed
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Unknown CPU e.g. --model Icelake-Server on s390x:
uvt-kvm: error: libvirt: this function is not supported by the connection
driver: cannot translate CPU model Icelake-Server to a supported model
Default on s390x (no arg but the same with --model host-model)
z13-base
...
My laptop becomes auto-converted via host-model into:
Skylake-Client-IBRS
Intel
--host-passthrough becomes
That is fine as well.
--model Opteron_G1 becomes
Opteron_G1
Good as
** Merge proposal linked:
https://code.launchpad.net/~paelzer/uvtool/+git/uvtool/+merge/382847
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Title:
Default CPU lacks features and speed
T
I have opened up a RFC MP
https://code.launchpad.net/~paelzer/uvtool/+git/uvtool/+merge/382847
outlining how I think this could be done. But it is untested and testing
cross arch will need a while, hence RFC for now.
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[15:01] cpaelzer: uvtool> all sounds good to me. Thanks!
[15:02] I'm also happy to deprecate --host-passthrough
[15:02] With a warning, for eventual removal.
[15:03] rbasak: great
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htt
I already added --host-passthrough in the past.
The new suggestion would be to make host-model the default and to add --model
to allow inserting any other as needed.
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