Re: chipsec integrity check

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Of course.  I did my own analysis which may save you some effort.

Of the efi variables which had changed from the baseline, very few addition=
al changes were seen after a reboot into my normal OS then a reboot into th=
e chipsec usb.  Only the ErrOutDev and SctCsmMemoryMapVariable changed and =
SctCsmMemoryMapVariable is a new variable not part of the baseline.

Here is a list of other changes that occurred with just the reboots mention=
ed above:
ec dump =3D changed
iommu config GFXVTD =3D BAR value changed, flags changed back to baseline
iommu config VTD =3D BAR value changed, some flags changed back to baseline=
 but not all
iommu status GFXVTD =3D returned to baseline
iommu status VTD =3D changed
mmio dump DMIBAR =3D changed
mmio dump GFXVTBAR =3D returned to baseline except mmio register range
mmio dump GMADR =3D changed
mmio dump GTTMADR =3D changed
mmio dump HDABAR =3D changed
mmio dump HDBAR =3D no change
mmio dump MCHBAR =3D changed
mmio dump PXPEPBAR =3D changed
mmio dump VTBAR =3D changed
mmio list =3D changed
pci dump =3D changed

Also when doing the iommu dump config GFXVTD I do get errors from chipsec. =
I couldn't capture them.  They don't show up in the log and even redirectin=
g standard out and standard error doesn't catch them, but I was able to cop=
y one from the screen.
ioremap error for 0xde0c1000-0xdec2000, requested 0x10, got 0x0

Also it occured to me I should mention this is an AMD system and chipsec co=
mplains about an unsupported platform.  Most of the functions appear to wor=
k just fine even so, but it is possible it could have some affect on the re=
sults.

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> -------- Original Message --------
> Subject: RE: [chipsec] chipsec integrity check
> Local Time: December 1, 2017 12:27 AM
> UTC Time: December 1, 2017 12:27 AM
> From: erik.c.bjorge(a)intel.com
> To: Healer64 <[email protected]>
> chipsec(a)lists.01.org <[email protected]>
>
> Thanks for sending the new logs.  Give us a day or so to look them over a=
nd see if we can find anything new.
>
> Thanks,
>
> -Erik
>
> []From: chipsec [mailto:chipsec-bounces(a)lists.01.org] On Behalf Of Heal=
er64
> Sent: Thursday, November 30, 2017 4:23 PM
> To: Bjorge, Erik C <[email protected]>
> Cc: chipsec(a)lists.01.org
> Subject: Re: [chipsec] chipsec integrity check
>
> After a reboot, I ran the tests again.  New log is here:
>
> https://pastebin.com/XCHrYYJF
>
> https://pastebin.com/NiYcnxGG
>
> Just for kicks I did a diff of the 2 instances.
>
> https://pastebin.com/KLea3gVf
>
> Some of the BAR values have changed again.  No longer 0.  That seems odd.
>
>>
>>
>> Sent with [ProtonMail](https://protonmail.com) Secure Email.

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