Question about mtrr test

[Dong, Eric]

I use LUV v2.1-rc1 image to do the test, not sure the Fwts version. I think it is Fwts V16.06.00.


> -----Original Message-----
> From: Colin Ian King [mailto:colin.king at canonical.com]
> Sent: Thursday, July 14, 2016 6:00 PM
> To: Dong, Eric; fwts-devel at lists.ubuntu.com
> Subject: Re: Question about mtrr test
> 
> On 14/07/16 10:58, Dong, Eric wrote:
> > Hi,
> >
> >
> >
> > I use Fwts to test the uefi bios, it reported below errors:
> >
> >
> >
> > mtrr           ;HED mtrr: MTRR tests.
> >
> > mtrr           ;SEP
> > ------------------------------------------------------------
> >
> > mtrr           ;INF MTRR overview
> >
> > mtrr           ;INF -------------
> >
> > mtrr           ;INF Reg 0: 0x00000000c0000000 - 0x0000000100000000 (
> > 1024 MB)   Uncached
> >
> > mtrr           ;INF Reg 1: 0x00000000bf800000 - 0x00000000c0000000 (
> > 8 MB)   Uncached
> >
> > mtrr           ;NLN
> >
> > mtrr           ;INF Test 1 of 3: Validate the kernel MTRR IOMEM setup.
> >
> > mtrr           ;FAL FAILED [MEDIUM] MTRRIncorrectAttr: Test 1, Memory range
> >
> > mtrr           ;FAL 0x1000 to 0x5efff (System RAM) has incorrect attribute
> >
> > mtrr           ;FAL Default (Most probably Uncached).
> >
> > mtrr           ;FAL FAILED [MEDIUM] MTRRLackingAttr: Test 1, Memory
> > range 0x1000
> >
> > mtrr           ;FAL to 0x5efff (System RAM) is lacking attribute Write-Back.
> >
> >
> >
> > But we already update the IA32_MTRR_DEF_TYPE (0x2FF) to set the default
> > type to Write-Back. If update the IA32_MTRR_DEF_TYPE to set the default
> > type to Uncached.  These errors will not occur. I think this is Fwts
> > tools issue. It should check the default type from IA32_MTRR_DEF_TYPE
> > before run this test.  Any feedback about it?
> >
> >
> >
> > Thanks,
> >
> > Eric
> >
> >
> >
> > This body part will be downloaded on demand.
> >
> 
> Eric, which version of fwts are you using?
>