[Samba] winbindd high CPU usage

Jeremy Allison jra at samba.org
Wed Jul 9 16:36:08 GMT 2008

On Wed, Jul 09, 2008 at 10:31:41AM +0200, Franky Van Liedekerke wrote:
> Hi,
> I'm using squid+samba/winbindd to do proxy authentication for a AD domain.
> Using samba 3.0.29 this was working fine.
> This week I saw 3.2 was released stable, so I decided to upgrade. The
> compile (using solaris 8, 64bit, gcc 3.4.6) went well and I copied the
> secrets.tdb to the new version, so I wouldn't need to rejoin the domain.
> After this starting samba also succeeded, "wbinfo -t" and all worked just
> fine. Even using the ntlm_auth binary worked ok to authenticate a user. So I
> thought it to be safe to switch squid to the new version.
> But about 2 minutes after squid is started to use the ntlm_auth binary from
> the new samba, winbindd is starting to use 99% of the cpu (and this was not
> the case in 3.0.29).

Can you attach to the winbindd process eating the CPU with
strace (truss on Solaris I think) and let us know what it is doing ?



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