[prev in list] [next in list] [prev in thread] [next in thread] 

List:       linux-edac
Subject:    Re: Unable to set (or read back) sdram_scrub_rate on amd64_edac F17h_M70h (Ryzen 3rd gen)
From:       Yazen Ghannam <yazen.ghannam () amd ! com>
Date:       2021-01-11 20:16:55
Message-ID: 20210111201655.GA929024 () yaz-nikka ! amd ! com
[Download RAW message or body]

On Sun, Jan 10, 2021 at 01:00:19PM +0100, Borislav Petkov wrote:
> On Sun, Jan 10, 2021 at 02:46:52PM +0300, WGH wrote:
> > > # setpci -s 00:18.6 0x0x48.l
> > % sudo setpci  -s 00:18.6 0x48.l
> > b214bac4
> > % sudo setpci  -s 00:18.6 0x48.l
> > b23225c4
> > % sudo setpci  -s 00:18.6 0x48.l
> > b2648984
> > % sudo setpci  -s 00:18.6 0x48.l
> > b27b9dc4
> > % sudo setpci  -s 00:18.6 0x48.l
> > b293f504
> > 
> > Whatever that means.
> 
> Yah, bit 0 is not set so you're getting scrubrate 0 returned.
>

It looks like these registers have moved in newer systems. I'll track
down the changes and write up a patch.

Thanks,
Yazen
[prev in list] [next in list] [prev in thread] [next in thread]