Re: frequent slapd freeze with openldap 2.4.13

[Guillaume Rousse <Guillaume.Rousse@inria.fr>]

Quanah Gibson-Mount a Ãcrit :
> --On Friday, January 23, 2009 2:50 PM +0100 Guillaume Rousse 
> <Guillaume.Rousse@inria.fr> wrote:
>
> > Guillaume Rousse a Ãcrit :
> > > And gdb shows it waiting in __kernel_vsyscall
> > > (gdb) bt
> > > # 0  0xffffe410 in __kernel_vsyscall ()
> > > # 1  0xb7d385c6 in pthread_join () from /lib/i686/libpthread.so.0
> > > # 2  0xb7f23d3f in ldap_pvt_thread_join () from
> > > # /usr/lib/libldap_r-2.4.so.2 3  0x0806e1b4 in slapd_daemon ()
> > > # 4  0x0805a507 in main ()
> > >
> > > In both case, I think the lack of relevant information is caused by the
> > > multithreading nature of slapd, I don't know how to access the exact
> > > thread where the problem occurs.
> > I finally found how to get a better stack trace, it seems to be a locking
> > issue with bdb:
> > http://pastebin.mandriva.com/5804
>
> Do you have all the BDB 4.6 patches applied?
Only patch 1, from the 3 availables at 
http://www.oracle.com/technology/products/berkeley-db/db/update/4.6.21/patch.4.6.21.html.
And patch #2 is a good candidate for the current issue, indeed.


--
Guillaume Rousse
Service des Moyens Informatiques
INRIA Saclay - Ãle-de-France
Parc Orsay UniversitÃ, 4 rue J. Monod
91893 Orsay Cedex France
Tel: 01 69 35 69 62