Error on check in: Checksum mismatch while reading representation

Hello,

I'm running a subversion 1.3.1 server on Linux Ubuntu 6.06 and accessing
it from Windows XP clients via apache2 and i'm unable to checkin certain
files because of the following error:

Commit failed (details follow):
Checksum mismatch while reading representation:
   expected: b3575b00eb4c3b1639bfdf1893004857
     actual: 6af5d2875df3d3289da7b8d8f763d8e6
PUT of
'/repos/repository/!svn/wrk/0000010c1720351a/nulogy/foo/bar/SomeFile.java':
500 Internal Server Error (http://subversion_server)

It is possible to revert the file, check it out and update it. But any
checking in gives the same error (from subclipse, subversive and the
command line client). Also, trying to do dumps of the repository fail
at the revisions where the file was originally added. Interestingly,
dumps after the file was checked in again seem to work.

Our repository was created with subversion 1.3.0 using all of the
default settings.

Can someone please shed some light on what may be wrong? Is this a
hardware issue or a bug in svn? Is there some way of fixing this? It
seems strange that i can update, but not check in. Especially since i
know that my working copy contains the correct version of the file.

Thanks,

-- 
Sean S. Kirby
Nulogy Corporation
www.nulogy.com
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