On Thu, 8 Dec 2005, [EMAIL PROTECTED] 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 <[EMAIL PROTECTED]>               (020) 7594 8440 / x48440
Systems Programmer, Computing Support Group         Office: Huxley 225
Department of Computing, Imperial College London
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