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Crashes in various ext2 functions while running xfstest/check

To: <linux-xfs@xxxxxxxxxxx>
Subject: Crashes in various ext2 functions while running xfstest/check
From: "Chris Pascoe" <c.pascoe@xxxxxxxxxxxxxx>
Date: Thu, 24 May 2001 14:01:02 +1000
Sender: owner-linux-xfs@xxxxxxxxxxx
Hi,

I'm running the XFS stress tests on a Dell Poweredge 4400 running.  The
kernel is the current CVS one (as at today) but the problem persists over
several weeks of compilations.  Local modifications to the kernel are the
addition of the module for the AACRAID Perc 3/Di RAID controller and the
e1000 driver from Intel for the ethernet card.  Highmem support is enabled
(the machine has 1GB of RAM).  The kernels are compiled with the kgcc
package from Redhat 7.0 (egcs
2.91.66) or the RH7.1 gcc (2.96-81) - it makes no difference.

hinv, dmesg, and backtraces from kdb at crash time are available at
http://www.csee.uq.edu.au/~chrisp/xfs/.  I don't know what other information
to gather.  Any pointers?

So far I have seen deaths (caused by NULL pointer exceptions) in (at least)
ext2_get_block, ext2_update_inode, ext2_alloc_branch, etc, while running
'check' from the xfstests directory.  I haven't been able to trigger any
crashes during any other activity on the system, using 2.2.19 and the
standard RH7.1 kernel (I can't run xfs test on those though, obviously).

I may be able to provide remote access + console access to the server if
it's of any use (it is a development/test box) if it is of any use.

Chris


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