[Samba] winbind problem

Nick Semenkovich semenko at alum.mit.edu
Tue Apr 16 11:47:55 MDT 2013


I also have this problem, using a very recent version from git. (see also:
http://www.mail-archive.com/samba@lists.samba.org/msg124657.html )

Periodically, winbind seems to simply crash, and getent passwd & other ops
(e.g. htop) stall.


I'd also be happy to provide any debugging information needed.


On Tue, Apr 16, 2013 at 11:29 AM, <samba at nisx.de> wrote:

> Hi,
>
> I have a problem with winbind, could anyone help me?
>
> Version:
> root at leela:~# samba -V
> Version 4.0.5
> root at leela:~# uname -a
> Linux leela 3.2.0-40-generic #64-Ubuntu SMP Mon Mar 25 21:22:10 UTC 2013
> x86_64 x86_64 x86_64 GNU/Linux
>
> - First everything went fine:
> root at leela:~# getent passwd
> root:x:0:0:root:/root:/bin/bash
> [...]
> FUTURAMA+Administrator:*:0:513::/home/FUTURAMA/Administrator:/bin/bash
> FUTURAMA+svtn:*:1008:513:Thomas Nolte as SV:/home/FUTURAMA/svtn:/bin/bash
>
> - For example I change a files owner to root:
> root at leela:~# chown 0 /opt/samba/var/shares/profiles/svtn/ntuser.dat
>
> - Everything is still fine:
> root at leela:~# ll /opt/samba/var/shares/profiles/svtn/
> insgesamt 3224
> drwxrws--- 33 FUTURAMA+svtn FUTURAMA+gf    4096 Apr  6 13:39
> Anwendungsdaten
> [...]
> -rw-rw----  1 root          FUTURAMA+gf 3145728 Apr  8 06:54 ntuser.dat
> [...]
>
> - Now changing owner to 3000000 (Buildin/Administrator):
> root at leela:~# chown 3000000 /opt/samba/var/shares/profiles/svtn/ntuser.dat
>
> - It needs many seconds to work.
> root at leela:~# ll /opt/samba/var/shares/profiles/svtn/
> insgesamt 3224
> drwxrws--- 33 FUTURAMA+svtn FUTURAMA+gf    4096 Apr  6 13:39
> Anwendungsdaten
> [...]
> -rw-rw----  1       3000000 FUTURAMA+gf 3145728 Apr  8 06:54 ntuser.dat
> [...]
>
> - And if I look again, all users shown as numbers, not names:
> root at leela:~# ll /opt/samba/var/shares/profiles/svtn/
> insgesamt 3224
> drwxrws--- 33    1008 1016    4096 Apr  6 13:39 Anwendungsdaten
> [...]
> -rw-rw----  1 3000000 1016 3145728 Apr  8 06:54 ntuser.dat
> [...]
> root at leela:~#
>
> - And now all samba users gone. winbind -u is empty too.
> root at leela:~# getent passwd
> root:x:0:0:root:/root:/bin/bash
> [...]
>
> - in the logfile I found this:
> [2013/04/16 15:44:09,  0] ../lib/util/fault.c:72(fault_report)
>   ===============================================================
> [2013/04/16 15:44:09,  0] ../lib/util/fault.c:73(fault_report)
>   INTERNAL ERROR: Signal 11 in pid 26194 (4.0.5)
>   Please read the Trouble-Shooting section of the Samba HOWTO
> [2013/04/16 15:44:09,  0] ../lib/util/fault.c:75(fault_report)
>   ===============================================================
> [2013/04/16 15:44:09,  0] ../lib/util/fault.c:144(smb_panic_default)
>   PANIC: internal error
>
> - After restart samba
> root at leela:~# stop samba4
> root at leela:~# start samba4
>
> - Alll users back now...
> root at leela:~# getent passwd
> root:x:0:0:root:/root:/bin/bash
> [...]
> FUTURAMA+Administrator:*:0:513::/home/FUTURAMA/Administrator:/bin/bash
> FUTURAMA+svtn:*:1008:513:Thomas Nolte as SV:/home/FUTURAMA/svtn:/bin/bash
>
> Does anyone has an Idea? I've tried an older version (4.0.1) of samba too,
> same problem.
>
> Regards
>   Thomas Nolte
> --
> Nolte Infosysteme,  Im Sikfeld 8, 38304 Wolfenbuettel
> Tel 05331-946210, Fax 05331-946211, Handy 0170-5508198
>
> Computer, Netzwerk, Kommunikation www.nisx.de
>
>
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