From: WGH <wgh@torlan.ru>
To: linux-edac@vger.kernel.org
Subject: Unable to set (or read back) sdram_scrub_rate on amd64_edac F17h_M70h (Ryzen 3rd gen)
Date: Sun, 10 Jan 2021 09:03:24 +0300 [thread overview]
Message-ID: <a9cdf7c2-868a-8f67-ac4e-c6bff60552e2@torlan.ru> (raw)
I tried many rates mentioned in scrubrates[] array, but the result is still the same.
% echo 100000 | sudo tee /sys/devices/system/edac/mc/mc0/sdram_scrub_rate
100000
% sudo cat /sys/devices/system/edac/mc/mc0/sdram_scrub_rate
0
dmesg excerpt:
[ 0.561809] EDAC MC: Ver: 3.0.0
(skip)
[ 0.825762] EDAC amd64: F17h_M70h detected (node 0).
[ 0.826343] EDAC amd64: Node 0: DRAM ECC enabled.
[ 0.826901] EDAC amd64: MCT channel count: 2
[ 0.827512] EDAC MC0: Giving out device to module amd64_edac controller F17h_M70h: DEV 0000:00:18.3 (INTERRUPT)
[ 0.828106] EDAC MC: UMC0 chip selects:
[ 0.828106] EDAC amd64: MC: 0: 16384MB 1: 16384MB
[ 0.828690] EDAC amd64: MC: 2: 16384MB 3: 16384MB
[ 0.829262] EDAC MC: UMC1 chip selects:
[ 0.829262] EDAC amd64: MC: 0: 16384MB 1: 16384MB
[ 0.829829] EDAC amd64: MC: 2: 16384MB 3: 16384MB
[ 0.830383] EDAC amd64: using x16 syndromes.
[ 0.830992] EDAC PCI0: Giving out device to module amd64_edac controller EDAC PCI controller: DEV 0000:00:18.0 (POLLED)
[ 0.831577] AMD64 EDAC driver v3.5.0
This is AMD Ryzen 9 3900XT on ASRock B550 Extreme4 motherboard, Linux 5.10.5.
next reply other threads:[~2021-01-10 6:12 UTC|newest]
Thread overview: 5+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-01-10 6:03 WGH [this message]
2021-01-10 11:33 ` Unable to set (or read back) sdram_scrub_rate on amd64_edac F17h_M70h (Ryzen 3rd gen) Borislav Petkov
2021-01-10 11:46 ` WGH
2021-01-10 12:00 ` Borislav Petkov
2021-01-11 20:16 ` Yazen Ghannam
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