From: Sachin Sant <sachinp@in.ibm.com>
Subject: Re: EXT4: kernel BUG at fs/jbd2/commit.c:533!
Date: Thu, 03 Sep 2009 13:06:10 +0530
Message-ID: <4A9F71EA.4070406@in.ibm.com>
References: <4A9E5496.8050909@in.ibm.com> <20090902120958.GA16415@mit.edu> <20090902210737.GV4197@webber.adilger.int> <20090902223011.GA30497@mit.edu> <4A9F3F7F.6030304@in.ibm.com>
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Cc: Andreas Dilger <adilger@sun.com>, linux-ext4@vger.kernel.org,
	"Aneesh Kumar K.V" <aneesh.kumar@linux.vnet.ibm.com>
To: Theodore Tso <tytso@mit.edu>
In-Reply-To: <4A9F3F7F.6030304@in.ibm.com>
Sender: linux-ext4-owner@vger.kernel.org

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

-- 

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