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Date:	Thu, 03 Sep 2009 13:06:10 +0530
From:	Sachin Sant <sachinp@...ibm.com>
To:	Theodore Tso <tytso@....edu>
CC:	Andreas Dilger <adilger@....com>, linux-ext4@...r.kernel.org,
	"Aneesh Kumar K.V" <aneesh.kumar@...ux.vnet.ibm.com>
Subject: Re: EXT4: kernel BUG at fs/jbd2/commit.c:533!

Sachin Sant wrote:
> So i have not been able to recreate this again in my last attempt.
> I will try couple of time to see if i can recreate this.
>
> The box under test is a 4 way POWER6. The disk partition (/dev/sda4)
> in question is about 19GB.
>
> fsstress was invoked with -p 50 -n 1000 -c -f dwrite=0
I have a script (thanks to Aneesh) which executes a series of
test(like fsstress, fsx-linux and resize) with various ext4 mount
options (data=journal, data=ordered, data=ordered,nodelalloc
with 1024/4096 as size). While executing the above script for the
first time i ran into this bug.

After the initial run i have rerun the tests 4 time now, but
have not been able to recreate the same issue. [Although 4th time
i ran into another issue. Will start a separate thread for that.]

As for this issue not sure how to proceed further. I probably will
continue to execute the tests few more times. Maybe will try on
a different box.

thanks
-Sachin

-- 

---------------------------------
Sachin Sant
IBM Linux Technology Center
India Systems and Technology Labs
Bangalore, India
---------------------------------

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