kvm-intel does not load when Intel TXT is enabled
Hello,
when I enable Intel TXT (Trusted Execution Technology) in the BIOS settings of my Lenovo W510, the kvm-intel module does not load and says 'kvm: disabled by bios', despite the fact that both VT-x and VT-d are enabled. Disabling TXT enables hardware virtualization and kvm-intel works as expected.
Are VT-[xd] and TXT supposed to be mutually exclusive? Or could it be a BIOS bug?
Andrej
Quoted 6 lines · Andrej Podzimek
Hello,
when I enable Intel TXT (Trusted Execution Technology) in the BIOS settings of my Lenovo W510, the kvm-intel module does not load and says 'kvm: disabled by bios', despite the fact that both VT-x and VT-d are enabled. Disabling TXT enables hardware virtualization and kvm-intel works as expected.
Are VT-[xd] and TXT supposed to be mutually exclusive? Or could it be a BIOS bug?
Running kvm under txt needs special support in the kernel; it will be available in 2.6.35.
Signature · 1 line
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