Re: Crash on ia64

[Quanah Gibson-Mount <quanah@stanford.edu>]

--On Friday, June 25, 2004 11:05 AM +0200 De Leeuw Guy 
<G.De_Leeuw@eurofer.be> wrote:

> Hello,
>
> > Have you tried using a debugging symbols version of slapd, and gdb, to
> > see  where the segfault is occuring?
> >
> > --Quanah

Hi,

Please don't email me off the list.  It is important to keep traffic on the 
list so that others can see the threads, solutions, advice, etc, and so 
they can give their own input as well.

See comments at end of email.

> I'm not an expert of gdb, but here is the extract
>
> GNU gdb 6.1-debian
> Copyright 2004 Free Software Foundation, Inc.
> GDB is free software, covered by the GNU General Public License, and you
> are
> welcome to change it and/or distribute copies of it under certain
> conditions.
> Type "show copying" to see the conditions.
> There is absolutely no warranty for GDB.  Type "show warranty" for
> details.
> This GDB was configured as "ia64-linux"...(no debugging symbols
> found)...Using host libthread_db library "/lib/tls/libthread_db.so.1".
>
> Attaching to program: /usr/local/openldap-2.2.14/libexec/slapd, process
> 23430
> Reading symbols from /usr/local/BerkeleyDB.4.2/lib/libdb-4.2.so...done.
> Loaded symbols for /usr/local/BerkeleyDB.4.2/lib/libdb-4.2.so
> Reading symbols from /lib/tls/libresolv.so.2...done.
> Loaded symbols for /lib/tls/libresolv.so.2
> Reading symbols from /lib/tls/libpthread.so.0...done.
> [Thread debugging using libthread_db enabled]
> [New Thread 2305843009213882320 (LWP 23430)]
> [New Thread 2305843009227946192 (LWP 23431)]
> Loaded symbols for /lib/tls/libpthread.so.0
> Reading symbols from /lib/tls/libc.so.6.1...done.
> Loaded symbols for /lib/tls/libc.so.6.1
> Reading symbols from /lib/ld-linux-ia64.so.2...done.
> Loaded symbols for /lib/ld-linux-ia64.so.2
> 0x2000000000232841 in pthread_join () from /lib/tls/libpthread.so.0
> (gdb) c
> Continuing.
> [New Thread 2305843009232140496 (LWP 23488)]
> c
>
> Program received signal SIGINT, Interrupt.
> [Switching to Thread 2305843009213882320 (LWP 23430)]
> 0x2000000000232841 in pthread_join () from /lib/tls/libpthread.so.0

Generally at this point, it is helpful to use the command "bt" (backtrace) 
and

"thr apply all bt" (thread apply all backtrace)

--Quanah

--
Quanah Gibson-Mount
Principal Software Developer
ITSS/Shared Services
Stanford University
GnuPG Public Key: http://www.stanford.edu/~quanah/pgp.html