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SubjectRE: [PATCH v3 0/5] AMD64 EDAC: Check for nodes without memory, etc.
Date
> -----Original Message-----
> From: linux-edac-owner@vger.kernel.org <linux-edac-owner@vger.kernel.org> On Behalf Of Borislav Petkov
> Sent: Wednesday, November 6, 2019 11:06 AM
> To: Ghannam, Yazen <Yazen.Ghannam@amd.com>
> Cc: linux-edac@vger.kernel.org; linux-kernel@vger.kernel.org
> Subject: Re: [PATCH v3 0/5] AMD64 EDAC: Check for nodes without memory, etc.
>
> On Wed, Nov 06, 2019 at 01:24:59AM +0000, Ghannam, Yazen wrote:
> > From: Yazen Ghannam <yazen.ghannam@amd.com>
> >
> > Hi Boris,
> >
> > These patches address the issue where the module checks and complains
> > about DRAM ECC on nodes without memory.
> >
> > Changes from last revision:
> > 1) Dropped patch 6 which was for adding a grain value.
> > 2) Added an error code for !ecc_enabled() in patch 5.
>
> Still doesn't help. The load gets attempted twice still. Try reproducing
> it on a small, single-node box where ECC is disabled.
>

We had a thread before about usersapce loading the module multiple times on
failure:
https://lore.kernel.org/linux-edac/20190822005020.GA403@angband.pl/

I tried to look into it a bit, but I didn't get very far.

So is the behavior you see only happening with the new patchset applied? That
may be a clue that we can fix this in the module.

Thanks,
Yazen
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