[Dovecot] hanging imap... and users getting other users' emails!

[Frode Nordahl]

On Mar 3, 2005, at 19:26, Timo Sirainen wrote:
> I just looked at libnss-ldap code. It seems to be using threads, which
> makes it even more likely to be the source of your problems. Perhaps
> someone should tell them (or RH bugzilla) about this bug and see what
> they say..

nss_ldap does not use threads as such.

Since it can be loaded by any program using the C library, it can also 
be loaded by a threaded program, and must then attempt to do things in 
a thread safe way.


Regards,
Frode

> On Thu, 2005-03-03 at 10:14 -0800, Josh Burley wrote:
>> Ah, I misunderstood the comment, then.
>>
>> Yes, nsswitch is set up to use ldap. Do you think that switching from
>> pam to ldap might help with this problem?
>>
>> It's a Fedora Core 3 machine.
>>
>>
>> Timo Sirainen wrote:
>>> On Thu, 2005-03-03 at 10:05 -0800, Josh Burley wrote:
>>>
>>>> Good question, eh? I thought the same when I went back and read the
>>>> comments about the UID.
>>>>
>>>> But, it *was* working. For a few weeks (we did the upgrade about 
>>>> three
>>>> weeks ago). Only about 30 users in /etc/passwd, but over 300 in 
>>>> LDAP.
>>>
>>>
>>> "passwd" actually doesn't mean /etc/passwd, but using getpwnam()
>>> function. That then uses /etc/nsswitch.conf and whatever 
>>> configuration
>>> to figure out where to look up the users, which may end up using 
>>> LDAP as
>>> well. Sounds like your system is configured this way, and sounds like
>>> the bug is in the LDAP NSS module.
>>>
>>> What OS/distibution is this?
>>>