On 12.09.21 19:21, Sam Varshavchik wrote:
If you're running a qemu VM with a Windows 10 guest (in F34) and you
successfully enabled TPM emulation, I'd like to compare notes with you.
I used virt-manager to enable TPM 2.0, both TIS and CRB types:
<tpm model="tpm-tis">
<backend type="emulator" version="2.0"/>
<alias name="tpm0"/>
</tpm>
and
<tpm model="tpm-crb">
<backend type="emulator" version="2.0"/>
<alias name="tpm0"/>
</tpm>
My fully activated/licensed Windows 10 VM (21H1) refuses to recognize
TPM. "Security Processor Troubleshooting" reports:
"Your device does not support this feature."
I've read multiple reports that this should work, so I must be missing
something. Looking at a working qemu configuration in /etc/libvirt/qemu
is the only thing I can think of.
I have a virtual 21H1 and the TPM2 device is shown in the device manager
and also in the security settings (with vendor IBM). But I'm currently
not using this feature on windows.
My libvirt settings are:
<tpm model='tpm-crb'>
<backend type='emulator' version='2.0'/>
</tpm>
Best regards
Ulf
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