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Date:      Fri, 9 Oct 2009 11:28:11 -0400
From:      John Baldwin <jhb@freebsd.org>
To:        freebsd-hackers@freebsd.org
Cc:        Robert Watson <rwatson@FreeBSD.org>, Mikolaj Golub <to.my.trociny@gmail.com>
Subject:   Re: crashinfo: print the content of ddb capture budder
Message-ID:  <200910091128.11513.jhb@freebsd.org>
In-Reply-To: <81ws3a1je1.fsf@zhuzha.ua1>
References:  <81ws3a1je1.fsf@zhuzha.ua1>

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On Monday 05 October 2009 1:48:06 am Mikolaj Golub wrote:
> Hi,
> 
> It would be nice if crashinfo(8) were also trying to output the content of ddb
> capture buffer. Something like in this patch:
> 
> --- crashinfo.sh.orig	2009-10-05 08:26:26.000000000 +0300
> +++ crashinfo.sh	2009-10-05 08:43:56.000000000 +0300
> @@ -304,3 +304,18 @@
>  echo "kernel config"
>  echo
>  config -x $KERNEL
> +
> +file=`mktemp /tmp/crashinfo.XXXXXX`
> +if [ $? -eq 0 ]; then
> +	ddb capture -M $VMCORE -N $KERNEL print > $file 2>/dev/null
> +	if [ -s $file ]; then
> +		echo "------------------------------------------------------------------------"
> +		echo "ddb capture buffer"
> +		echo
> +		cat $file |
> +		sed -e 's/p\{10\}p*//' # XXX: this removes the unfilled part of a capture buffer
> +		echo
> +	fi
> +	rm -f $file
> +fi
> +
> 

I'm definitely in favor of this.  I assume you have tested it locally?  Do you have a sample
crash.X.txt file with it enabled?

-- 
John Baldwin



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