Date: Sat, 19 Jun 2010 14:20:10 +0200
From: Andi Kleen <andi@firstfloor.org>
To: Tejun Heo <tj@kernel.org>
Cc: Andi Kleen <andi@firstfloor.org>, Andy Walls <awalls@md.metrocast.net>,
       Daniel Walker <dwalker@codeaurora.org>, mingo@elte.hu,
       linux-kernel@vger.kernel.org, jeff@garzik.org,
       akpm@linux-foundation.org, rusty@rustcorp.com.au,
       cl@linux-foundation.org, dhowells@redhat.com, arjan@linux.intel.com,
       johannes@sipsolutions.net, oleg@redhat.com, axboe@kernel.dk
Subject: Re: Overview of concurrency managed workqueue
Message-ID: <20100619122010.GI18946@basil.fritz.box>
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> * Do machines ever report that many MCE errors?  The usual rate seems
>   like one per weeks or months even when they're frequent.

Yes you can even get a flood when the system or parts 
of the system is dying. There's some throttling in the error handling, 
but yes in some cases you can get high rates.

> * If a machine is actually reporting enough errors to overwhelm single
>   error handling thread, does it even matter what we do?

There are cases where you can have many errors but still survive.

-Andi
-- 
ak@linux.intel.com -- Speaking for myself only.
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