linux-kernel - Re: Hardware Error Kernel Mini-Summit

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Date:	Tue, 15 Jun 2010 15:33:51 -0700
From:	Tony Luck <tony.luck@...el.com>
To:	Andi Kleen <andi@...stfloor.org>
Cc:	Doug Thompson <norsk5@...oo.com>,
	"Eric W. Biederman" <ebiederm@...ssion.com>,
	Nils Carlson <nils.carlson@...d.ltu.se>,
	Ingo Molnar <mingo@...e.hu>, Borislav Petkov <bp@...64.org>,
	Hidetoshi Seto <seto.hidetoshi@...fujitsu.com>,
	Mauro Carvalho Chehab <mchehab@...hat.com>,
	BrentYoung <brent.young@...el.com>,
	Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
	"bluesmoke-devel@...ts.sourceforge.net" 
	<bluesmoke-devel@...ts.sourceforge.net>,
	Doug Thompson <dougthompson@...ssion.com>,
	Joe Perches <joe@...ches.com>,
	Thomas Gleixner <tglx@...utronix.de>,
	Linux Edac Mailing List <linux-edac@...r.kernel.org>,
	Ingo Molnar <mingo@...hat.com>,
	Matt Domsch <Matt_Domsch@...l.com>
Subject: Re: Hardware Error Kernel Mini-Summit

On Mon, Jun 14, 2010 at 11:56 PM, Andi Kleen <andi@...stfloor.org> wrote:
> The way I envision it to working is that a abstracted dimm interface
> (or edac2 or whatever you want to call it) can be fed from any reasonable
> DIMM layout driver. This could be either DMI on x86 or some other
> driver. There would be nothing really x86 specific about that.

You could go one stage further and make DIMMs just one example of
a field replaceable unit.  So the "error analysis subsystem" would keep track
of errors reported by any component (cpu, DIMM, I/O card, fan, power
supply, disk, ...).  Each category could have different "X errors per Y
interval" parameter that made sense for it.

-Tony
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