linux-kernel - Re: [patch 18/38] Improved oops output.

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Message-Id: <1177687465.23773.2.camel@localhost>
Date:	Fri, 27 Apr 2007 17:24:25 +0200
From:	Martin Schwidefsky <schwidefsky@...ibm.com>
To:	Christoph Hellwig <hch@...radead.org>
Cc:	linux-kernel@...r.kernel.org, linux-s390@...r.kernel.org,
	Heiko Carstens <heiko.carstens@...ibm.com>
Subject: Re: [patch 18/38] Improved oops output.

On Fri, 2007-04-27 at 15:25 +0100, Christoph Hellwig wrote:
> On Fri, Apr 27, 2007 at 04:05:21PM +0200, Martin Schwidefsky wrote:
> > From: Martin Schwidefsky <schwidefsky@...ibm.com>
> > 
> > This patch adds two improvements to the oops output. First it adds an
> > additional line after the PSW which decodes the different fields of it.
> > Second a disassembler is added that decodes the instructions surrounding
> > the faulting PSW. The output of a test oops now looks like this:
> 
> So we're growing in-kernel disassemblers now? :)
> 
> I wonder whether this is really worth it, but at least your handwritten
> one is much nicer than the copy & paste from gdb in the kdb patches.

The disassembler uses about 8K of memory and it really helps in
debugging. For me it is worth the cost.

-- 
blue skies,
  Martin.

"Reality continues to ruin my life." - Calvin.


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