[Samba] 3.0.4 on Solaris 8 - fcntl(F_SETLK64)

[Jeremy Allison]

On Wed, Jul 28, 2004 at 11:52:03AM -0500, Brian Ford wrote:
> We upgraded from 2.2.5 to 3.0.4 last week and ever since have been running
> into a deadlock condition that causes clients to hang for extended
> periods; all trying to get a write lock on locking.tdb.  I have been
> dilligently googling to find the solution and have thus far been
> unsuccessful.  My kernel rev is 108528-29, so I think I'm ok there.  Does
> anyone have any ideas?
> 
> All I can think of is that I have a gcc install that I used to build samba
> from before the kernel patch and gcc "fixed" a crucial header that changed
> with the 108528-19 patch?
> 
> I had to revert today to keep our users from killing me ;-).  Please let
> me know what technical info I can provide to track this down.  I'm pretty
> handy with gdb, truss, etc.  Thanks.

Can you put this back on a test server then start looking at the truss
output to see what it is waiting on. This does sound very much like the
problem with the thundering herd problem with solaris fcntl locks...

Jeremy.