linux-kernel - Re: EDAC-AMD64: what is the ecc

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

Message-ID: <20180110231235.a3ts353lzajqywb5@pd.tnic>
Date:   Thu, 11 Jan 2018 00:12:35 +0100
From:   Borislav Petkov <bp@...en8.de>
To:     Gabriel C <nix.or.die@...il.com>
Cc:     linux-edac@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: EDAC-AMD64: what is the ecc_msg good for ?

On Thu, Jan 11, 2018 at 12:06:49AM +0100, Gabriel C wrote:
> while doing some testings with a EPYC box I notice
> these strange messages when a Node is disabled.
> 
> I really do think the message is confusing since
> we tell 'Node X: ... disabled' followed by a
> INFO on the edac driver which tells the driver will not load.

And that is confusing because?

> Also even worse , we suggest to use ecc_enable_override then,
> which can cause wrose things.. We really should not suggest
> something like this by default.

That is an remnant from the old times. Family 0x17 and newer doesn't
allow that anymore.

-- 
Regards/Gruss,
    Boris.

Good mailing practices for 400: avoid top-posting and trim the reply.