[Samba] mutex.tdb locking errors on Solaris 10

Jeremy Allison jra at samba.org
Wed May 9 09:21:51 MDT 2012

On Wed, May 09, 2012 at 03:18:02PM +0100, S.Kirk wrote:
> Hi,
> On Mon, 30 Apr 2012, Kirk S. wrote:
> >Morning list,
> >
> ><--snip -->
> >
> >>We have not tried the version of Samba currenlty shipping with
> >>Solaris - we've found a lot of problems with it in the past
> >>integrating with AD. As it currently stands, single sign-on
> >>works but there is a CNAME that the clients are pointing to
> >>which doesn't seem optimal but does work. I take it you're using
> >>the version shipped with Solaris - update 10 to 3.5.10 I guess?
> >
> ><--snip-->
> >
> >In a further update to this problem, I have migrated the CNAME to
> >another server that we have standing in for the 'faulty' instance.
> >This server was previously working fairly well (although SMF had
> >restarted samba at least once due to the parent smbd process
> >crashing but no core file was produced) and was not generating
> >large numbers of error message regarding locking mutex.tdb.
> >
> >Now I have migrated the CNAME, we have huge numbers of errors on
> >the temporary server.
> A minor change of deleting the CNAME and replacing it with an A
> record that points at the same IP as the server uses as it's primary
> interface (wthout removing the existing A record for hostname or
> modifying the PTR record) seems to have resolved the huge numbers of
> errors locking mutex.tdb and the associated performance problems we
> were experiencing.
> It doesn't sound like anyone else is experiencing this so I assume
> the only thing to do is to file a bug report? I've not tried 3.6.5
> yet but I see it has been packaged by OpenCSW a few days ago so I
> may be able to try it on a test machine.

Yes, that would be very helpful - thanks !


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