Lars Hecking wrote:
2.6.18-92.1.22.el5. I can test all newer kernels if necessary.
Sounds like another poster may of found the root cause but you should still upgrade anyways, I tracked down the specific update to this kernel, which is newer than what you have:
* Thu Jul 03 2008 Aristeu Rozanski arozansk@redhat.com [2.6.18-95.el5] [..] - [nfs] address nfs rewrite performance regression in RHEL5 (Eric Sandeen ) [436004] [..]
nate