[Samba] Periodic rogue 3.0.22 smbd's eating system

Jeremy Allison jra at samba.org
Thu Jul 6 21:48:13 GMT 2006

On Thu, Jul 06, 2006 at 04:35:28PM -0400, Jonathan M. Prigot wrote:
> I have three users whose smbd processes will suddenly go rogue and start 
> sucking up CPU time. It isn't guaranteed that every time they log in, that 
> their process goes rogue, but it happens a lot. At that time I see that those 
> smbd processes have an effective UID of the person's username, and a real UID 
> of root. Everyone else's is always EUID root and UID root.
> I haven't a clue how to attack this. Suggestions?

Do an strace on the process, see what system calls it's doing.
Folling that, attach to a spinning process with gdb and get
a stack backtrace using the "bt" command. Post both to the
list please. Also you need to be very specific about what
Samba version on what platform.


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