[Samba] Winbind dies

[Dimitri Yioulos]

On Thursday July 13 2006 12:39 pm, you wrote:
> Dimitri Yioulos wrote:
> > Serious apologies if this has been discussed before,
> > but my search didn't turn up much:
> >
> > I have samba (kept up-to-date with latest) running on
> > several CentOS 3 and 4 boxes as part of a Win2k3
> > domain.  On one particular box,  winbind dies on
> > a regular basis (all the other installations run
> > flawlessly).  A quick restart, and we're good
> > again.  However, as  this is a very active server
> > that is accessed 18 hours a day, 7 days  a week,
> > I'm called at home during those few hours I spend
> > there to restart winbind on this particular machine.
>
> The is the second report of winbindd crash in the krb5 libs.
> The other was an FC5 box.
>
> > INTERNAL ERROR: Signal 6 in pid 23775 (3.0.23)
>
> ...
>
> > Jul 12 18:26:06 norwell winbindd[23775]:   BACKTRACE: 28 stack
> > frames: #0 winbindd(log_stack_trace+0x2d) [0x5f5add]
> > #1  winbindd(smb_panic+0x75) [0x5f5985]
> > #2 winbindd [0x5e10d6]
> > #3 /lib/tls/libc.so.6 [0x1b70d8]
> > #4 /lib/tls/libc.so.6 (abort+0x1d5) [0x1b8705]
> > #5 winbindd [0x61c6d2]
> > #6 winbindd [0x61c955]
> > #7 winbindd(cli_krb5_get_ticket+0x242) [0x61ce32]
> > #8 winbindd(spnego_gen_negTokenTarg+0x62) [0x61e9c2]
>
> We're working on it.  If you could get a backtrace
> including debugging symbols, that would help.
>
>
>
> cheers, jerry

Hi, Jerry.

As I responded to Guenther, I'm not sure how to do a backtrace.  I did 
try this on the core dump, though, and wonder if it's of any value to 
you?:

[root at norwell root]# 
gdb /usr/sbin/winbindd /var/log/samba/cores/winbindd/core.23775

GNU gdb Red Hat Linux (6.3.0.0-1.90rh)
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 "i386-redhat-linux-gnu"...(no debugging 
symbols found)
Using host libthread_db library "/lib/tls/libthread_db.so.1".

Core was generated by `winbindd'.
Program terminated with signal 6, Aborted.
#0  0x001b6eff in idmap_sid_to_gid ()
(gdb) bt
#0  0x001b6eff in idmap_sid_to_gid ()
#1  0x001b8705 in idmap_ldap_init ()
#2  0x005e154a in ?? ()
#3  0x00000006 in ?? ()
#4  0x00000000 in ?? ()
(gdb) quit
[1]+  Done                    /etc/bastille-tmpdir-defense.sh 12028

Dimitri

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