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Dimitri Yioulos

2006-Jul-13 15:36 UTC

[Samba] Winbind dies

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.

Here's the relevant syslog output (sorry for the length):

Jul 12 18:26:06 norwell winbindd[23775]: [2006/07/12 18:26:06, 0] 
lib/fault.c:fault_report(41)
Jul 12 18:26:06 norwell winbindd[23775]:   
==============================================================Jul 12 18:26:06
norwell winbindd[23775]: [2006/07/12 18:26:06, 0]
lib/fault.c:fault_report(42)
Jul 12 18:26:06 norwell winbindd[23775]:   INTERNAL ERROR: Signal 6 in 
pid 23775 (3.0.23)
Jul 12 18:26:06 norwell winbindd[23775]:   Please read the 
Trouble-Shooting section of the Samba3-HOWTO
Jul 12 18:26:06 norwell winbindd[23775]: [2006/07/12 18:26:06, 0] 
lib/fault.c:fault_report(44)
Jul 12 18:26:06 norwell winbindd[23775]:
Jul 12 18:26:06 norwell winbindd[23775]:   From: 
http://www.samba.org/samba/docs/Samba3-HOWTO.pdf
Jul 12 18:26:06 norwell winbindd[23775]: [2006/07/12 18:26:06, 0] 
lib/fault.c:fault_report(45)
Jul 12 18:26:06 norwell winbindd[23775]:   
==============================================================Jul 12 18:26:06
norwell winbindd[23775]: [2006/07/12 18:26:06, 0]
lib/util.c:smb_panic(1592)
Jul 12 18:26:06 norwell winbindd[23775]:   PANIC (pid 23775): internal 
error
Jul 12 18:26:06 norwell winbindd[23775]: [2006/07/12 18:26:06, 0] 
lib/util.c:log_stack_trace(1699)
Jul 12 18:26:06 norwell winbindd[23775]:   BACKTRACE: 28 stack frames:
Jul 12 18:26:06 norwell winbindd[23775]:    #0 
winbindd(log_stack_trace+0x2d) [0x5f5add]
Jul 12 18:26:06 norwell winbindd[23775]:    #1 
winbindd(smb_panic+0x75) [0x5f5985]
Jul 12 18:26:06 norwell winbindd[23775]:    #2 winbindd [0x5e10d6]
Jul 12 18:26:06 norwell winbindd[23775]:    #3 /lib/tls/libc.so.6 
[0x1b70d8]
Jul 12 18:26:06 norwell winbindd[23775]:    #4 /lib/tls/libc.so.6
(abort+0x1d5) [0x1b8705]
Jul 12 18:26:06 norwell winbindd[23775]:    #5 winbindd [0x61c6d2]
Jul 12 18:26:06 norwell winbindd[23775]:    #6 winbindd [0x61c955]
Jul 12 18:26:06 norwell winbindd[23775]:    #7 
winbindd(cli_krb5_get_ticket+0x242) [0x61ce32]
Jul 12 18:26:07 norwell winbindd[23775]:    #8 
winbindd(spnego_gen_negTokenTarg+0x62) [0x61e9c2]
Jul 12 18:26:07 norwell winbindd[23775]:    #9 winbindd [0x6def82]
Jul 12 18:26:07 norwell winbindd[23775]:    #10 winbindd [0x6df2ae]
Jul 12 18:26:07 norwell winbindd[23775]:    #11 
winbindd(ads_sasl_bind+0x150) [0x6dfb70]
Jul 12 18:26:07 norwell winbindd[23775]:    #12 
winbindd(ads_connect+0x1ea) [0x6d8f2a]
Jul 12 18:26:07 norwell winbindd[23775]:    #13 winbindd [0x6e5d3a]
Jul 12 18:26:07 norwell winbindd[23775]:    #14 
winbindd(ads_do_search_retry+0x46) [0x6e6026]
Jul 12 18:26:07 norwell winbindd[23775]:    #15 winbindd(ads_USN+0x66) 
[0x6dced6]
Jul 12 18:26:07 norwell winbindd[23775]:    #16 winbindd [0x593e59]
Jul 12 18:26:07 norwell winbindd[23775]:    #17 winbindd [0x57ab73]
Jul 12 18:26:07 norwell winbindd[23775]:    #18 winbindd [0x57b028]
Jul 12 18:26:07 norwell winbindd[23775]:    #19 winbindd [0x57d362]
Jul 12 18:26:07 norwell winbindd[23775]:    #20 
winbindd(winbindd_lookup_name_by_sid+0x5c) [0x57807c]
Jul 12 18:26:07 norwell winbindd[23775]:    #21 
winbindd(winbindd_getgrgid+0x109) [0x573e09]
Jul 12 18:26:07 norwell winbindd[23775]:    #22 winbindd [0x56ec77]
Jul 12 18:26:07 norwell winbindd[23775]:    #23 winbindd [0x56eeb8]
Jul 12 18:26:07 norwell winbindd[23775]:    #24 winbindd [0x57013a]
Jul 12 18:26:07 norwell winbindd[23775]:    #25 winbindd(main+0x5c5) 
[0x570745]
Jul 12 18:26:07 norwell winbindd[23775]:    #26 /lib/tls/libc.so.6
(__libc_start_main+0xda) [0x1a479a]
Jul 12 18:26:07 norwell winbindd[23775]:    #27 winbindd [0x56e532]
Jul 12 18:26:07 norwell winbindd[23775]: [2006/07/12 18:26:07, 0] 
lib/fault.c:dump_core(173)
Jul 12 18:26:07 norwell winbindd[23775]:   dumping core 
in /var/log/samba/cores/winbindd
Jul 12 18:26:07 norwell winbindd[23775]:
Jul 12 18:26:08 norwell winbindd[23792]: [2006/07/12 18:26:08, 0] 
nsswitch/winbindd_dual.c:child_read_request(49)
Jul 12 18:26:08 norwell winbindd[23792]:   Got invalid request length: 
0
Jul 12 18:26:08 norwell winbindd[23780]: [2006/07/12 18:26:08, 0] 
nsswitch/winbindd_dual.c:child_read_request(49)
Jul 12 18:26:08 norwell winbindd[23780]:   Got invalid request length: 
0
Jul 12 18:26:08 norwell winbindd[23776]: [2006/07/12 18:26:08, 0] 
nsswitch/winbindd_dual.c:child_read_request(49)
Jul 12 18:26:08 norwell winbindd[23776]:   Got invalid request length: 
0

The last few errors are thrown due to someone trying to access the box 
via samba?

Anyway, can someone give me some insight into the problem and how it 
might be fixed?

Sleepless in Seattle (well, no Dimitri really)

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Robin Mordasiewicz

2006-Jul-13 16:06 UTC

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[Samba] Winbind dies

On Thu, 13 Jul 2006, Dimitri Yioulos wrote:
> Serious apologies if this has been discussed before, but my search
> didn't turn up much:
just so you dont feel like you're the only one. my winbind also crashes 
quite regularly

Not that it is the right thing to do but, I have set up a cron job to stop 
winbind and delete /var/db/winbind/* and then start winbind once every hour.

Guenther Deschner

2006-Jul-13 16:28 UTC

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[Samba] Winbind dies

Hi,

On Thu, Jul 13, 2006 at 11:28:29AM -0400, 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.
is this Samba 3.0.23 ? If yes, can you please try to provide a gdb backtrace?

Thanks,
Guenther

-- 
G?nther Deschner                    GPG-ID: 8EE11688
Novell / SUSE Labs                        gd@suse.de
Samba Team                              gd@samba.org
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Gerald (Jerry) Carter

2006-Jul-13 16:39 UTC

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[Samba] Winbind dies

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Hash: SHA1

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
====================================================================Samba       
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