linux-kernel - Re: [EDAC_ABI PATCH v13 01/26] amd64_edac: convert driver to use the new edac ABI

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Message-ID: <20120507161710.GF11462@aftab.osrc.amd.com>
Date:	Mon, 7 May 2012 18:17:10 +0200
From:	Borislav Petkov <bp@...64.org>
To:	Mauro Carvalho Chehab <mchehab@...hat.com>
Cc:	Linux Edac Mailing List <linux-edac@...r.kernel.org>,
	Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
	Doug Thompson <norsk5@...oo.com>,
	Borislav Petkov <borislav.petkov@....com>
Subject: Re: [EDAC_ABI PATCH v13 01/26] amd64_edac: convert driver to use the
 new edac ABI

On Mon, May 07, 2012 at 01:12:24PM -0300, Mauro Carvalho Chehab wrote:
> That happens because the EDAC core couldn't find any EDAC labels for the affected
> memory.
> 
> There are two reasons for seeing a "unknown memory":
> 	1) there's no label information. This is fixed by:
> 	   http://git.kernel.org/?p=linux/kernel/git/mchehab/linux-edac.git;a=commit;h=b14dbb9b8220f8e07634125bf0e315f739cbf501
> 	2) there's no info about the label e. g. something like the old 
> 	   edac_mc_handle_ce_no_info().
> 
> As csrow and channel info is filled on your log, it is very likely to be
> caused by (1) and that you didn't load the labels for this system with edac-ctl.
> 
> If you had a table with the labels for your motherboard at /etc/edac/labels.db
> and run "edac-ctl --load" during your system init (that's the default on RHEL/Fedora,
> not sure what other distros do), the message would be like:
> 
> EDAC MC0: CE amd64_edac on DIMM_4B (csrow 3 channel 1 page 0x5bac7 offset 0x388 grain 0 syndrome 0xb1be )
> 
> > IOW, simply having:
> > 
> > [ 2377.742279] EDAC MC0: CE amd64_edac (csrow:3 channel:1 page:0x5bac7 offset:0x388 grain:0 syndrome:0xb1be)
> > 
> > is much better IMO.
> > 
> > Also, formatting that info with ":" makes the data even easily
> > understandable and parseable.
> 
> Ok. I'll write a patch to replace it at the end of the series.

Why not rebase this patch? Your tree is not merged anywhere yet.

-- 
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Boris.

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