linux-kernel - RE: [PATCH v2] EDAC/i10nm: shift exponent is negative

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Message-ID: <SJ1PR11MB60832C7FFEF98EE33F255B9DFC2FA@SJ1PR11MB6083.namprd11.prod.outlook.com>
Date:   Wed, 5 Jul 2023 15:22:01 +0000
From:   "Luck, Tony" <tony.luck@...el.com>
To:     Koba Ko <koba.ko@...onical.com>
CC:     Markus Elfring <Markus.Elfring@....de>,
        "linux-edac@...r.kernel.org" <linux-edac@...r.kernel.org>,
        "kernel-janitors@...r.kernel.org" <kernel-janitors@...r.kernel.org>,
        Borislav Petkov <bp@...en8.de>,
        "James Morse" <james.morse@....com>,
        Mauro Carvalho Chehab <mchehab@...nel.org>,
        Robert Richter <rric@...nel.org>,
        LKML <linux-kernel@...r.kernel.org>
Subject: RE: [PATCH v2] EDAC/i10nm: shift exponent is negative

>> # head /proc/cpuinfo

This shows your system is the workstation version of Sapphire rapids. I don't
think we did any validation of the EDAC driver against this model.

> # dmidecode -t 17

You have just one 16GB DIMM, and EDAC found that. So despite the messy warnings,
EDAC should be working for you.

> # lspci

I didn't dig into this. Qiuxu - can you compare this against a server Sapphire rapids?
Maybe it has some clues so the EDAC driver will know not to look for non-existent
memory controllers.

> please check through this url,
> https://drive.google.com/drive/folders/199k3BX6IipNYCDfuMGy8W26ZtYRDIYZr?usp=sharing

Thanks for all the details.

-Tony