From: Anders Andersson <pipatron@gmail.com>
To: linux-edac@vger.kernel.org
Subject: User question about memory scrubbing
Date: Thu, 18 Jun 2020 18:49:45 +0200 [thread overview]
Message-ID: <CAKkunMbNWppx_i6xSdDHLseA2QQmGJqj_crY=NF-GZML5np4Vw@mail.gmail.com> (raw)
Hi! I realize that this is more of a developer-to-developer list, but
I'm a hobbyist who recently bought my first system with ECC RAM
(Opteron 6386 SE) and I can't get memory scrubbing to work. It's hard
to find people who know anything about it.
Preliminary research led me to the EDAC documentation on
https://www.kernel.org/doc/Documentation/ABI/testing/sysfs-devices-edac
and in particular the "sdram_scrub_rate" file, but had no luck
manipulating it.
Before I'm getting too lost: Is that the right way to configure it?
I have amd64_edac_mod and edac_mce_amd loaded. I briefly looked at
amd64_edac.c and it appears to have the necessary code and matches the
documentation from AMD so there's something I'm not doing right. I did
post a more elaborate question on
https://unix.stackexchange.com/questions/593060/how-do-i-enable-and-verify-ecc-ram-scrubbing-in-linux
but I'm afraid it's too technical for most users (too technical for me
too apparently!)
Hints and pointers welcome,
Anders
next reply other threads:[~2020-06-18 16:50 UTC|newest]
Thread overview: 7+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-06-18 16:49 Anders Andersson [this message]
2020-06-18 17:56 ` User question about memory scrubbing Borislav Petkov
2020-06-18 18:40 ` [PATCH] EDAC/amd64: Read back the scrub rate PCI register on F15h Borislav Petkov
2020-06-22 15:13 ` Borislav Petkov
2020-06-23 1:41 ` Anders Andersson
2020-06-23 9:18 ` Borislav Petkov
2020-06-19 1:55 ` User question about memory scrubbing Anders Andersson
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