On 14/7/21 10:49, Samuel Sieb wrote:
On 7/13/21 4:33 PM, Stephen Morris wrote:
I have a question about TPM hardware.
Fedora 34 running as an image in a Vmware Player VM on a Windows 10
host reports that I don't have a TPM chip, and with Windows 10
running in a Virtualbox (both these VM' are the free versions of the
VM's) VM on the same Windows 10 host when I try to update the image
to Windows 11 it says the environment does not meet the install
requirements. Vmware Player doesn't support UEFI but Virtualbox does
and is active in the VM images. If I try upgrade the native Windows
10 host Windows 11 says it can install on my hardware. The Bios
indicates that I have activated fTPM in my AMD Rizen cpu which
Windows 11 seems to be finding, are the VM's suppressing the TPM
functionality because I need to buy the commercial versions that
allow a TPM to be added to the VM's as a device, or is Windows 11 and
Fedora 34 not looking for the hardware the right way when running in
a VM?
The OS in the VM can't see any of the hardware on the host system
unless the VM specifically passes it through. Normally, all
"hardware" in the VM is virtual. qemu has an option to add a TPM by
either creating a virtual one or passing the hardware one through. I
have no idea about vmware or virtualbox.
I thought that if the tpm is in the cpu as the bios in my motherboard is
indicating, whether the vm supported adding the hardware tpm as a device
or not, because the vm has access to the cpu, the tpm would then be
automatically available to the vm.
regards,
Steve
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