[Samba] release_posix_lock: unable to find entry to delete with Samba3.0.23b on Redhat ES4

[Jeremy Allison]

On Fri, Aug 18, 2006 at 08:19:16AM +0100, Andrew Wilson wrote:
> We are running Samba3.0.23b on Redhat ES4 and find that we are getting 
> quite a few of the release_posix_lock errors appearing in the SAMBA log 
> (See base of this note). There is no obvious impact on the operation of 
> the system, but I was wondering if anyone else is experiencing the same 
> and whether we need to worry about this. We have the default "posix 
> locking=yes" in operation and I note in the man entry that we "should 
> never need to disable this parameter". However if we do turn it off, the 
> errors appear to go away. I suspect though that this means that there is 
> not full lock integrity on our files?
> 
> We are using exactly the same settings with Samba3.0.23b on both Solaris 
> 8 and Solaris 10 and we do not see this problem. Our Redhat system is 
> fully patched up to date and so is the gcc we are compiling samba with.

Strange. You're hitting a deliberate panic due to what smbd believes
is a logic error in the lock counts. Can you find out more about how
you reproduce this problem ? Is there anything specific you're doing
when it happens ?

Jeremy.