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Date:      Thu, 13 Apr 2000 20:13:47 -0700
From:      Kent Stewart <kstewart@3-cities.com>
To:        Joao Carlos Mendes Luis <jonny@jonny.eng.br>
Cc:        stable@freebsd.org
Subject:   Re: Bug in 4.0-R rl0???
Message-ID:  <38F68CEB.1A38EBE8@3-cities.com>
References:  <38F659E8.4E891FCA@jonny.eng.br>

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Joao Carlos Mendes Luis wrote:
> 
> Hi,
> 
>   I think I've found a bug in rl0 driver, in 4.0-RELEASE.  It's fully
> repeatable in my setup...
> 
>   I mount a NFS directory (from a linux server, if that matters).  This
> directory contains some backup dumps from my filesystems, compressed
> with bzip2.  When I start extracting one of those dumps with the
> follwoing command:
> 
>   cd dir ; bzcat /mnt/root.bz2 | restore rfu -
> 
>   I get a panic: Fatal Trap 12, page fault while in kernel mode.  The
> panic message is:  rl0: no memory for tx list.  The file system where
> I'm extrating to has soft updates enabled.  The current process when the
> kernel panics varies from bzip2 to nfsiod.

Because of the "no memory for tx list", that really sound like a
typical NMBCLUSTERS problem.

Kent

> 
>   If I divided the operations in the following steps:
> 
>   cp /mnt/root.bz2 /extra
>   bunzip2 /extra/root.bz2
>   cd /extra/dir ; restore rfu /extra/root
> 
>   The panic does not happen anymore!
> 
>   I can send the kernel dumps if someone is interested.
> 
>   Thanks for any help,
> 
>                                         Jonny
> 
> --
> João Carlos Mendes Luís                 jonny@jonny.eng.br
>   Networking Engineer                   jcml@ieee.org
> 
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-- 
Kent Stewart
Richland, WA

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