Re: [EDAC-AMD64] Display correct RAM sizes in ganged mode on F10 CPUs

[Markus Trippelsdorf]

On 2011.02.03 at 17:36 +0100, Borislav Petkov wrote:
> On Thu, Feb 03, 2011 at 10:59:52AM -0500, Markus Trippelsdorf wrote:
> > Hm, that doesn't work:
> > 
> > EDAC amd64: F10h detected (node 0).
> > EDAC MC: DCT0 chip selects:
> > EDAC amd64: MC: 0:  1024MB 1:  1024MB
> > EDAC amd64: MC: 2:  1024MB 3:  1024MB
> > EDAC amd64: MC: 4:     0MB 5:     0MB
> > EDAC amd64: MC: 6:     0MB 7:     0MB
> > EDAC MC: DCT1 chip selects:
> > EDAC amd64: MC: 0:     0MB 1:     0MB
> > EDAC amd64: MC: 2:     0MB 3:     0MB
> > EDAC amd64: MC: 4:     0MB 5:     0MB
> > EDAC amd64: MC: 6:     0MB 7:     0MB
> > EDAC amd64: using x4 syndromes.
> 
> Of course it doesn't, doh!, we need the DRAM chip selects from the
> second DCT too. Can you please run this little script as root so that I
> can verify that BIOS is actually programming sensible values in those in
> ganged mode? (Yeah, leave your DCT setting to ganged in BIOS).
> 
> --
> #!/bin/bash
> 
> i=0x140
> 
> while (( $i <= 0x15c )); do
>         reg=$(printf "0x%x" $i)
>         setpci -s 18.2 $reg.l
>         i=$(($i+4))
> done

00000000
00000000
00000000
00000000
00000000
00000000
00000000
00000000
-- 
Markus
--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/