Re: [reiserfs-dev] fsx for Linux showing up reiserfs problem?

From: Hans Reiser (
Date: Sat Dec 15 2001 - 12:08:01 EST

Dave Jones wrote:

>Hi folks,
> After reading the article at
>on the FreeBSD guys finding a bunch of NFS bugs with a stress tool,
>I took a look at fsx and played with it a little under Linux..
>The changes to make it work are trivial, and are at
>(non-existant include & expected mmap() behaviour differences)
>I've done a few tests on local filesystems, and so far Ext2 & Ext3
>seem to be holding up..
>Reiserfs however dies very early into the test..
> truncating to largest ever: 0x3f15f
> READ BAD DATA: offset = 0x1d3d4, size = 0x962f
> 0x1d3d4 0x177d 0x0000 0x 563
> operation# (mod 256) for the bad data unknown, check HOLE and EXTEND ops
>Options used were ./fsx -c1234 /mnt/test/testfile
>(Although it seems to crash with any -c option)
>Looks like an interesting tool, and probably something that should
>be added to testsuites like Cerberus.
Thanks Dave, Elena and Nikita and Green, take a look at this.


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