On Thu, 8 Dec 2005, Brian_Pickering@selinc.com wrote:

> We've had similar troubles with Samba 3.x on our ClearCase VOB server
> running RHEL3. Our fix was to go back to the old 2.2.12, and we haven't
> had a problem since. Unfortunately I was never able to devote enough time
> to tracking down the problem fully. I had hoped that upgrading to RHEL4
> using a 2.6 kernel would help, but your experience doesn't bode well for
> that.


We had similar problems. stracing hung child smbd processes pointed the
finger at *local* locking issues: processes were hanging in
fcntl(...,F_SETLKW64,...) for one byte locks on fd 14 = locking.tdb; the
culprit function is tdb_brlock.

Turning off oplocks seems to have helped, but we'd also like to get to
the bottom of this... is this fcntl/locking hang behavior what you are
seeing too?

Matt

--
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Matt Johnson (020) 7594 8440 / x48440
Systems Programmer, Computing Support Group Office: Huxley 225
Department of Computing, Imperial College London
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