linux-kernel - Re: [PATCH -mm][resend] softlockup-improve-debug-output.patch fix

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Date:	Mon, 03 Sep 2007 12:36:12 -0400
From:	Valdis.Kletnieks@...edu
To:	Satyam Sharma <satyam@...radead.org>
Cc:	Andrew Morton <akpm@...ux-foundation.org>,
	Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
	Ingo Molnar <mingo@...e.hu>
Subject: Re: [PATCH -mm][resend] softlockup-improve-debug-output.patch fix

On Sun, 02 Sep 2007 18:07:06 +0530, Satyam Sharma said:
> 
> 
> On Sun, 2 Sep 2007, Satyam Sharma wrote:
> > 
> > --- kernel/softlockup.c~fix	2007-09-02 04:23:49.000000000 +0530
> > +++ kernel/softlockup.c	2007-09-02 04:34:45.000000000 +0530
>   ^^^^^^^^^^
> 
> Ick, I botched a trivial patch, it doesn't even apply. Updated one below
> (with indentation fix as added bonus :-)
> 
> 
> [PATCH -mm] softlockup-improve-debug-output.patch fix (v2)
> 
> kernel/softlockup.c: In function 'softlockup_tick':
> kernel/softlockup.c:125: warning: 'regs' is used uninitialized in this function
> 
> is a genuine bug (will cause an oops in all probability,

Thanks for catching this, it was actually managing to inspire a full-scale
panic - flashing LEDs and the like.  Now to go track down the probably
self-inflicted cause of the soft-lockup message.. ;)

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