From: bugzilla-daemon@bugzilla.kernel.org
Subject: [Bug 14156] Running fsstress "fsx" on ext4 filesystem gives dirty
 metadata buffer warning message
Date: Wed, 16 Sep 2009 12:03:49 GMT
Message-ID: <200909161203.n8GC3ngw027068@demeter.kernel.org>
References: <bug-14156-13602@http.bugzilla.kernel.org/>
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http://bugzilla.kernel.org/show_bug.cgi?id=14156





--- Comment #1 from muni <mbeeraka@in.ibm.com>  2009-09-16 12:03:48 ---
While running the fsx tests on 2.6.31-rc8 kernel, the above mentioned occurred.

Steps for running fsx test:
1. Create an ext4 partition with blocksize 1024 and mount it with 
"-o errors=panic,data=journal" options
2. Install the autotest framework
3. Run fsx test attached to this bug
4. Check the dmesg.

You can see several messages like the one below:

kernel: JBD: Spotted dirty metadata buffer (dev = sdb5,
blocknr = 41444). There's a risk of filesystem corruption in case of system
crash.

Thanks
Muni

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