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Re: Detected potential for stack overflows, stack left: 796 bytes

To: Jim Eshleman <jce0@xxxxxxxxxx>
Subject: Re: Detected potential for stack overflows, stack left: 796 bytes
From: Steve Lord <lord@xxxxxxx>
Date: 22 Aug 2002 13:39:42 -0500
Cc: linux-xfs@xxxxxxxxxxx
In-reply-to: <3D652F1A.3080005@Lehigh.EDU>
References: <3D652F1A.3080005@Lehigh.EDU>
Sender: owner-linux-xfs@xxxxxxxxxxx
On Thu, 2002-08-22 at 13:36, Jim Eshleman wrote:
> kernel: Detected potential for stack overflows, stack left: 796 bytes
> 
> I sent this to Ben as it was output from his patch 
> (00_stack-overflow-detection-1) in the -aa kernel and he thought it 
> looked like a case of XFS using too much stack.  Attached is from my 
> production mail server after four days uptime running 2.4.19-rc5aa1. 
> IBM x370 8-way P3xeon 8.5G, 64G HIGHMEM enabled.  Let me know if you 
> need more info.
> 
> Jim
> ----
> 

Well, just looking at the function names in that stack, it looks like
the xfs in the aa kernel is somewhat dated. We did a bunch of work
since then to reduce stack usage in XFS.

Thanks though.

Steve

-- 

Steve Lord                                      voice: +1-651-683-3511
Principal Engineer, Filesystem Software         email: lord@xxxxxxx


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