[Samba] Strange locking errors with LabView under Samba 2.2.7
and HP-UX 1 1.11
John H Terpstra
jht at samba.org
Thu Dec 19 23:25:02 GMT 2002
Dave,
Samba-2.2.7a was released to fix 64bit file access issues. Strongly
suggest you update.
- John T.
On Thu, 19 Dec 2002, Windsor Dave (AdW/MOE2.1) wrote:
> Hello All,
>
> I recently upgraded one of my HP-UX servers from Samba 2.2.4 to 2.2.7.
> Since that time, I have noticed that disk activity on the file system where
> the Samba var directory is kept seems to be higher than I would expect. We
> have now begun to experience a problem with PC clients running National
> Instruments' LabView software, installed on a Samba share. When any PC
> client tries to execute it, disk utilization goes to 100% according to HP's
> Glance performance monitor, with nearly all activity being in the
> aforementioned file system containing the Samba var files and being caused
> by the smbd for the client running LabView. Using Glance to look at open
> files, I found that the only open file located in the Samba var file system
> is the smbd log file, and it is filled with messages like this:
>
> [2002/12/19 17:47:17, 0] locking/posix.c:(660)
>
> posix_fcntl_lock: WARNING: lock request at offset 0, length
> 9223372036854779000 returned
>
> [2002/12/19 17:47:17, 0] locking/posix.c:(662)
>
> an Invalid argument error. This can happen when using 64 bit lock offsets
>
> [2002/12/19 17:47:17, 0] locking/posix.c:(663)
>
> on 32 bit NFS mounted file systems.
>
> [2002/12/19 17:47:17, 0] locking/posix.c:(677)
>
> Count greater than 31 bits - retrying with 31 bit truncated length.
>
> [2002/12/19 17:47:17, 0] locking/posix.c:(660)
>
> posix_fcntl_lock: WARNING: lock request at offset 0, length
> 9223372036854779000 returned
>
> [2002/12/19 17:47:17, 0] locking/posix.c:(662)
>
> an Invalid argument error. This can happen when using 64 bit lock offsets
>
> [2002/12/19 17:47:17, 0] locking/posix.c:(663)
>
> on 32 bit NFS mounted file systems.
>
> [2002/12/19 17:47:17, 0] locking/posix.c:(677)
>
> over and over again. I have log level set to 1, with a different log for
> each client. After several minutes, LabView finally loads and things settle
> back down. Any ideas as to what is happening? The log mentions NFS, but
> the directories containing LabView are local to my system and are exported
> by Samba only, not NFS.
>
> My copy of Samba was compiled here using HP's ANSI C compiler under HP-UX
> 11.11. I ran configure with very few options, just to set the prefix and to
> set "--with-utmp". None of these problems occurred under Samba 2.2.4, and I
> haven't yet had a chance to try out 2.2.7a to see if there's any difference.
> The problem occurs when running LabView with both NT4 and W2K clients. With
> our holiday shutdown almost here, I hope to get a chance to try 2.2.7a
> sometime tomorrow.
>
> Thanks in advance for any assistance!
>
> Dave Windsor
> AdW/MOE2.12
> Team Leader, Test Systems Engineering
> Robert Bosch Corporation
> Anderson, SC, USA
> email: <mailto:Dave.Windsor at us.bosch.com>
>
>
>
--
John H Terpstra
Email: jht at samba.org
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