[Samba] winbindd stays at 100% CPU having joined a domain

Thomas Adam thomas.adam at smoothwall.net
Tue May 5 13:47:13 GMT 2009

On Tue, May 05, 2009 at 03:40:15PM +0200, Volker Lendecke wrote:
> On Tue, May 05, 2009 at 09:43:36AM +0100, Thomas Adam wrote:
 > Attaching strace to this process shows nothing -- literally, it's making
> > no system calls whatsoever.  Attaching gdb to this running process and
> > using "next" reveals that it's doing the following:
> > 
> > memcpy() -> tdb_read() -> tdb_find()
> Very likely that is a corrupted tdb file, probably the
> netsamlogon_cache.tdb. What kind of file system do you run
> this on?

This is in ext3.

I've just looked at the machine in question and there's the following


The particular file in question has an access time of Jan 23rd 2009.  Are
these files periodically removed by samba such as when it restarts, or are
they somehow persistent?  Certainly the timestamp on the
netsamlogon_cache.tdb file suggests it's persistent.  Are they meant to be
cleared, even?


Thomas Adam
Senior Developer
Smoothwall Ltd.

Email:  thomas.adam at smoothwall.net

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