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* [PATCH] EDAC/amd64: Add support for ECC on family 19h model 60h-6Fh
@ 2023-04-25 20:12 Hristo Venev
  2023-05-09 14:53 ` Yazen Ghannam
  0 siblings, 1 reply; 9+ messages in thread
From: Hristo Venev @ 2023-04-25 20:12 UTC (permalink / raw)
  To: Yazen Ghannam; +Cc: Borislav Petkov, linux-edac, Hristo Venev

Ryzen 9 7950X uses model 61h. Treat it as Epyc 9004, but with 2 channels
instead of 12.

I tested this with two 32GB dual-rank DIMMs. The sizes appear to be
reported correctly:

    [    2.122750] EDAC MC0: Giving out device to module amd64_edac controller F19h_M60h: DEV 0000:00:18.3 (INTERRUPT)
    [    2.122751] EDAC amd64: F19h_M60h detected (node 0).
    [    2.122754] EDAC MC: UMC0 chip selects:
    [    2.122754] EDAC amd64: MC: 0:     0MB 1:     0MB
    [    2.122755] EDAC amd64: MC: 2: 16384MB 3: 16384MB
    [    2.122757] EDAC MC: UMC1 chip selects:
    [    2.122757] EDAC amd64: MC: 0:     0MB 1:     0MB
    [    2.122758] EDAC amd64: MC: 2: 16384MB 3: 16384MB
    [    2.122759] AMD64 EDAC driver v3.5.0

ECC errors can also be detected:

    [  313.747594] mce: [Hardware Error]: Machine check events logged
    [  313.747597] [Hardware Error]: Corrected error, no action required.
    [  313.747613] [Hardware Error]: CPU:0 (19:61:2) MC21_STATUS[Over|CE|MiscV|AddrV|-|-|SyndV|CECC|-|-|-]: 0xdc2040000400011b
    [  313.747632] [Hardware Error]: Error Addr: 0x00000007ff7e93c0
    [  313.747639] [Hardware Error]: IPID: 0x0000009600050f00, Syndrome: 0x000100010a801203
    [  313.747652] [Hardware Error]: Unified Memory Controller Ext. Error Code: 0, DRAM ECC error.
    [  313.747669] EDAC MC0: 1 CE Cannot decode normalized address on mc#0csrow#3channel#0 (csrow:3 channel:0 page:0x0 offset:0x0 grain:64 syndrome:0x1)
    [  313.747672] [Hardware Error]: cache level: L3/GEN, tx: GEN, mem-tx: RD

Signed-off-by: Hristo Venev <hristo@venev.name>
---
 drivers/edac/amd64_edac.c | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/drivers/edac/amd64_edac.c b/drivers/edac/amd64_edac.c
index b55129425c81..1080784e2784 100644
--- a/drivers/edac/amd64_edac.c
+++ b/drivers/edac/amd64_edac.c
@@ -3816,6 +3816,10 @@ static int per_family_init(struct amd64_pvt *pvt)
 		case 0x50 ... 0x5f:
 			pvt->ctl_name			= "F19h_M50h";
 			break;
+		case 0x60 ... 0x6f:
+			pvt->ctl_name			= "F19h_M60h";
+			pvt->flags.zn_regs_v2		= 1;
+			break;
 		case 0xa0 ... 0xaf:
 			pvt->ctl_name			= "F19h_MA0h";
 			pvt->max_mcs			= 12;
-- 
2.40.0


^ permalink raw reply related	[flat|nested] 9+ messages in thread

end of thread, other threads:[~2023-05-15 14:39 UTC | newest]

Thread overview: 9+ messages (download: mbox.gz follow: Atom feed
-- links below jump to the message on this page --
2023-04-25 20:12 [PATCH] EDAC/amd64: Add support for ECC on family 19h model 60h-6Fh Hristo Venev
2023-05-09 14:53 ` Yazen Ghannam
2023-05-10 23:42   ` Limonciello, Mario
2023-05-11 13:02     ` Yazen Ghannam
2023-05-11 17:45       ` Hristo Venev
2023-05-15 14:27         ` Borislav Petkov
2023-05-11 17:45       ` [PATCH v2] EDAC/amd64: Add support for ECC on family 19h model 60h-7Fh Hristo Venev
2023-05-11 17:58         ` Limonciello, Mario
2023-05-15 14:39         ` Borislav Petkov

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