Hi,
while testing latest tboot with latest debian unstable I noticed that
txt-acminfo reports "ACM does not match platform" for all ACM modules. It
seems that this happens since /dev/cpu/0/msr does not exist by default in
Debian. There is an error "Error: failed to open /dev/cpu/0/msr" but since
txt-acminfo reports so much information this can easily be missed by a
user. After I run "modprobe msr" txt-acminfo behaves normally again.
Could we make missing /dev/cpu/0/msr a fatal error that should suggest the
user to run "modprobe msr"? In any case txt-acminfo should not report
"ACM does not match platform" for a valid ACM file. It should report
"Could not determine if ACM matches platform (maybe you need to modprobe
msr)?" or something.
-Timo
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