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List:       uclinux-dev
Subject:    Re: [uClinux-dev] mtd problem
From:       "Erwin Authried" <eauth () softsys ! co ! at>
Date:       2003-05-31 6:31:47
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Hi,
could you please give us a bit more details, like the architecture that
you have, and where it crashes?I have not used jffs2, but with jffs on ARM7TMDI you run into similar
problems because of an odd-aligned access in MTD. The problem is already
solved, I hope the patches will go into the CVS soon.
Regards,
Erwin

> OK, here's an interesting problem for everyone.
>
> I have a 448k MTD partition with jffs2. When I run the script below,
> the  machine crashes with a kernel panic sometime during the first
> iteration  around the loop. random.txt and random2.txt are from a PC
> and are 12k in  size. With 1k files the script works forever, with 4k
> and above it  eventually crashes. Could someone with a MTD+JFFS2 setup
> please test  this script. /tmp is a ramfs.
>
> thanks,
> Andrew Goodney
> andrew@blueskylabs.com
> ------------------
> www.blueskylabs.com
>
> #!/bin/sh
> while echo 1
> do
>   cp random2.txt /var/data
>   echo "after first CP"
>   rm /var/data/*
>   echo "after rm *"
>   cp /tmp/random.txt /var/data/random.txt
>   echo "after second cp"
> done
>
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