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Subject: Re: [9front] kernel crash in bhyve
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> On Dec 10, 2020, at 5:12 PM, Nick Owens <mischief@offblast.org> wrote:
>=20
> you cannot just read #P/msr at offset 0. the offset is significant. io
> -M can be used to read an MSR at a specific offset.

That makes sense.  The registers are 0 with the correct offset.

; for(r in 0x2ff 0x0fe) io -r -M $r
0x0
0x0

In fact, the MTRR registers are all 0:

=
https://github.com/freebsd/freebsd/blob/e8142e44905fa62147ba10703e7ce2c546=
4fb2b7/sys/amd64/vmm/intel/vmx_msr.c#L426-L432

> On Dec 10, 2020, at 7:12 PM, ori@eigenstate.org wrote:
>=20
> I can try to reproduce and maybe file a bug this
> weekend.

Please do.  Thanks.