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From: "Ghannam, Yazen" <Yazen.Ghannam@amd.com>
To: Adam Borowski <kilobyte@angband.pl>
Cc: "linux-edac@vger.kernel.org" <linux-edac@vger.kernel.org>,
	"linux-kernel@vger.kernel.org" <linux-kernel@vger.kernel.org>,
	"bp@alien8.de" <bp@alien8.de>
Subject: RE: [PATCH v3 0/8] AMD64 EDAC fixes
Date: Thu, 22 Aug 2019 18:54:29 +0000
Message-ID: <SN6PR12MB2639CD6D755B6FFCF5C4B756F8A50@SN6PR12MB2639.namprd12.prod.outlook.com> (raw)
In-Reply-To: <20190822005020.GA403@angband.pl>

> -----Original Message-----
> From: linux-edac-owner@vger.kernel.org <linux-edac-owner@vger.kernel.org> On Behalf Of Adam Borowski
> Sent: Wednesday, August 21, 2019 7:50 PM
> To: Ghannam, Yazen <Yazen.Ghannam@amd.com>
> Cc: linux-edac@vger.kernel.org; linux-kernel@vger.kernel.org; bp@alien8.de
> Subject: Re: [PATCH v3 0/8] AMD64 EDAC fixes
> 
> On Wed, Aug 21, 2019 at 11:59:53PM +0000, Ghannam, Yazen wrote:
> > I've also added RFC patches to avoid the "ECC disabled" message for
> > nodes without memory. I haven't fully tested these, but I wanted to get
> > your thoughts. Here's an earlier discussion:
> > https://lkml.kernel.org/r/20180321191335.7832-1-Yazen.Ghannam@amd.com
> 
> While you're editing that code, could you please also cut the spam if ECC is
> actually disabled?  For example, a 2990WX with non-ECC RAM gets 1024 lines;
> 64 copies of:
> 
> [    8.186164] EDAC amd64: Node 0: DRAM ECC disabled.
> [    8.188364] EDAC amd64: ECC disabled in the BIOS or no ECC capability, module will not load.
>                 Either enable ECC checking or force module loading by setting 'ecc_enable_override'.
>                 (Note that use of the override may cause unknown side effects.)
> [    8.194762] EDAC amd64: Node 1: DRAM ECC disabled.
> [    8.196307] EDAC amd64: ECC disabled in the BIOS or no ECC capability, module will not load.
>                 Either enable ECC checking or force module loading by setting 'ecc_enable_override'.
>                 (Note that use of the override may cause unknown side effects.)
> [    8.199840] EDAC amd64: Node 2: DRAM ECC disabled.
> [    8.200963] EDAC amd64: ECC disabled in the BIOS or no ECC capability, module will not load.
>                 Either enable ECC checking or force module loading by setting 'ecc_enable_override'.
>                 (Note that use of the override may cause unknown side effects.)
> [    8.204326] EDAC amd64: Node 3: DRAM ECC disabled.
> [    8.205436] EDAC amd64: ECC disabled in the BIOS or no ECC capability, module will not load.
>                 Either enable ECC checking or force module loading by setting 'ecc_enable_override'.
>                 (Note that use of the override may cause unknown side effects.)
> 

I wonder if the module is being loaded multiple times. I'll try to reproduce this and track it down.

Thanks for testing and reporting this issue.

-Yazen

  parent reply index

Thread overview: 31+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2019-08-21 23:59 Ghannam, Yazen
2019-08-21 23:59 ` [PATCH v3 1/8] EDAC/amd64: Support more than two controllers for chip selects handling Ghannam, Yazen
2019-08-21 23:59 ` [PATCH v3 2/8] EDAC/amd64: Recognize DRAM device type with EDAC_CTL_CAP Ghannam, Yazen
2019-08-21 23:59 ` [PATCH v3 3/8] EDAC/amd64: Initialize DIMM info for systems with more than two channels Ghannam, Yazen
2019-08-21 23:59 ` [PATCH v3 4/8] EDAC/amd64: Find Chip Select memory size using Address Mask Ghannam, Yazen
2019-08-22  0:00 ` [PATCH v3 5/8] EDAC/amd64: Decode syndrome before translating address Ghannam, Yazen
2019-08-22  0:00 ` [PATCH v3 6/8] EDAC/amd64: Cache secondary Chip Select registers Ghannam, Yazen
2019-08-22  0:00 ` [RFC PATCH v3 08/10] EDAC/amd64: Gather hardware information early Ghannam, Yazen
2019-08-29  9:22   ` Borislav Petkov
2019-09-06 19:14     ` Ghannam, Yazen
2019-09-06 20:35       ` Borislav Petkov
2019-09-06 20:49         ` Ghannam, Yazen
2019-09-09 15:31           ` Borislav Petkov
2019-08-22  0:00 ` [PATCH v3 7/8] EDAC/amd64: Support Asymmetric Dual-Rank DIMMs Ghannam, Yazen
2019-08-23 11:26   ` Borislav Petkov
2019-08-23 13:27     ` Ghannam, Yazen
2019-08-23 15:11       ` Borislav Petkov
2019-08-22  0:00 ` [RFC PATCH v3 10/10] EDAC/amd64: Check for memory before fully initializing an instance Ghannam, Yazen
2019-08-22 18:51   ` [RFC PATCH v2] " Ghannam, Yazen
2019-08-22  0:00 ` [RFC PATCH v3 09/10] EDAC/amd64: Use cached data when checking for ECC Ghannam, Yazen
2019-08-22  0:50 ` [PATCH v3 0/8] AMD64 EDAC fixes Adam Borowski
2019-08-22  8:35   ` Borislav Petkov
2019-08-22  9:46     ` Adam Borowski
2019-08-22  9:55       ` Borislav Petkov
2019-08-22 18:54   ` Ghannam, Yazen [this message]
2019-08-23 15:28     ` Ghannam, Yazen
2019-08-23 15:37       ` Borislav Petkov
2019-08-26 14:19         ` Ghannam, Yazen
2019-08-26 14:59           ` Borislav Petkov
2019-08-26 15:05             ` Ghannam, Yazen
2019-08-22 18:48 ` [RFC PATCH v2] EDAC/amd64: Check for memory before fully initializing an instance Ghannam, Yazen

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