nss_ldap broken

Jacques A. Vidrine nectar at FreeBSD.org
Thu Apr 1 07:32:25 PST 2004

On Thu, Apr 01, 2004 at 05:12:57PM +0200, Oliver Eikemeier wrote:
> Jacques A. Vidrine wrote:
> >No.  Problems only occur if run-time loading/unloading via
> >dlopen/dlclose is used, and then only if a lock or other thread
> >library data structure might be held ``across'' the load or unload.
> >So I think it is a rare, but troublesome, condition.
> It hit apache 1.3.29 + php4 too (PR 64932), which should be a pretty
> common combination. Before my change slapd + Berkeley DB where
> affected...

Interesting.  Perhaps a different but equally bad side-effect.

> >When you changed the way OpenLDAP was linked, this condition occurred
> >within libc due to dynamic loading of nss_ldap.  So, lots of people's
> >working systems suddenly starting crashing after upgrading.
> I'm sorry about that. Slapd was crashing, which is somewhat important
> for the OpenLDAP port. This seemed like the proper fix to me, see the
> recent thread `fix for libpthread' on -current. At least it fixed slapd :P

Sorry, didn't mean to sound accusatory.  I just meant to highlight the
fact that the current system is fragile.

Jacques Vidrine / nectar at celabo.org / jvidrine at verio.net / nectar at freebsd.org

More information about the freebsd-current mailing list