linux-kernel - Re: Stack warning from 2.6.24-rc

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Message-ID: <20071204115223.GB21993@elte.hu>
Date:	Tue, 4 Dec 2007 12:52:23 +0100
From:	Ingo Molnar <mingo@...e.hu>
To:	Martin Knoblauch <spamtrap@...bisoft.de>
Cc:	linux-kernel@...r.kernel.org
Subject: Re: Stack warning from 2.6.24-rc


* Martin Knoblauch <spamtrap@...bisoft.de> wrote:

>  I see the following stack warning(s) on a IBM x3650 (2xDual-Core, 8 
>  GB, AACRAID with 6x146GB RAID5) running 2.6.24-rc3/rc4:
> 
> [  180.739846] mount.nfs used greatest stack depth: 3192 bytes left
> [  666.121007] bash used greatest stack depth: 3160 bytes left
> 
>  Nothing bad has happened so far. The message does not show on a 
>  similarly configured HP/DL-380g4 (CCISS instead of AACRAID) running 
>  rc3. Anything to worry? Anything I can do to help debugging?

those are generated by:

  CONFIG_DEBUG_STACKOVERFLOW=y
  CONFIG_DEBUG_STACK_USAGE=y

and look quite harmless. If they were much closer to zero it would be a 
problem.

	Ingo
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