winbindd stuck at getaddrinfo.

Richard Sharpe realrichardsharpe at
Thu Oct 30 11:04:27 MDT 2014

On Thu, Oct 30, 2014 at 7:56 AM, Richard Sharpe
<realrichardsharpe at> wrote:
> On Wed, Oct 29, 2014 at 11:14 AM, Richard Sharpe
> <realrichardsharpe at> wrote:
>> On Wed, Oct 29, 2014 at 12:20 AM, Hemanth Thummala
>> <hemanth.thummala at> wrote:
>>> Hi All,
>>> We are using samba 3.6.12+ stack on FreeBSD 8.0. Recently we are hitting a
>>> winbindd hung issue at few of our customers. Each time we could see that
>>> winbindd getting hung at gettaddrinfo.
>> Curiously, I am seeing what might be a similar issue at one site in
>> Italy. In this case it manifests as a long pause during
>> authentication, which looks like a winbindd timeout in
>> wb_is_trusted_domain, but because none of the functions in
>> lib/winbind_util.c has any DEBUG statements in them I can only guess
>> that this is the case. The site has a very large domain (it is part of
>> a Class A network that is not
>> This is with 3.6.9 (CentOS 6.x).
>> I have provided them with modified RPM to give me extra info at log
>> level 10 and should know more later today.
>> I will look at the master code in this area and might submit a patch
>> that provides extra info at log level 10 because that would sure
>> improve our ability to debug things quickly.
> Our problem seems to have been that nmbd was not running. Now to
> figure out why winbindd might timeout or return another error during
> auth if nmbd is not running.

Hmmm, it seems that RedHat switched from Samba 3.5.10 to 3.6.9 between
RHEL 6.3 and 6.4, so the problem I was seeing was likely on Samba
3.5.10, not on 3.6.x.

Richard Sharpe

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