linux-kernel - Re: [patch] fix the softlockup watchdog to actually work

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Message-ID: <20070719074609.GA12760@elte.hu>
Date:	Thu, 19 Jul 2007 09:46:09 +0200
From:	Ingo Molnar <mingo@...e.hu>
To:	Andrew Morton <akpm@...ux-foundation.org>
Cc:	Jeremy Fitzhardinge <jeremy@...p.org>,
	linux-kernel@...r.kernel.org,
	Linus Torvalds <torvalds@...ux-foundation.org>,
	stable@...nel.org, Greg KH <greg@...ah.com>,
	Chris Wright <chrisw@...s-sol.org>
Subject: Re: [patch] fix the softlockup watchdog to actually work


* Andrew Morton <akpm@...ux-foundation.org> wrote:

> > [this is -stable material too.]
> 
> This seems terribly sensitive.
> 
> Someone has broken the Vaio (shock, horror).  It now has mysterious 
> jerkiness: when leaning on autorepeat it stalls for maybe 0.25 seconds 
> every 1.5 seconds.  The stalls are far less than a second.  Yet this 
> is enough to trigger random softlockup warnings.
> 
> Some of those warnings are below.  Note that the traces are all pretty 
> useless, as softlockup warnings so often seem to be.

hm, you havent picked up the other softlockup enhancements i did, which 
make the warnings more useful.

	Ingo
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