[Samba] samba4 stopped working

Gary Dale garydale at torfree.net
Mon Jul 4 16:42:11 UTC 2016


On 04/07/16 12:30 PM, Rowland penny wrote:
> On 04/07/16 16:36, Gary Dale wrote:
>> I've been using Samba4 on Debian/Jessie since it became "stable". 
>> After the last upgrade however, I got a massive failure.
>>
>> The first symptom I noticed was that I couldn't grab updates from the 
>> Debian servers. However when clients tried to log in, the real 
>> problem revealed itself. They could only log on using a temporary 
>> profile and couldn't connect to any of the shares or printers.
>>
>> When I test my implementation of Samba, it fails the basic test:
>>
>> # smbclient -L localhost -U%
>> Connection to localhost failed (Error NT_STATUS_CONNECTION_REFUSED)
>>
>> The globals section of smb.conf is:
>>
>> [global]
>>         workgroup = DENTALOFFICE
>>         realm = DENTALOFFICE.ROSSLAND.DENTAL
>>         netbios name = MOLAR
>>         server role = active directory domain controller
>>         dns forwarder = 8.8.8.8
>>         idmap_ldb:use rfc2307 = yes
>>         allow dns updates = nonsecure
>>
>> which explains why I can't get to the Debian servers. The hand off to 
>> Google's DNS servers never happens.
>>
>> ps aux | grep  nmbd, smbd or samba all show that samba isn't running. 
>> The logs for starting samba show:
>>
>> [2016/07/04 11:29:48.240042,  0] 
>> ../source4/smbd/server.c:370(binary_smbd_main)
>>   samba version 4.2.10-Debian started.
>>   Copyright Andrew Tridgell and the Samba Team 1992-2014
>> [2016/07/04 11:29:48.421540,  0] 
>> ../source4/smbd/server.c:488(binary_smbd_main)
>>   samba: using 'standard' process model
>> samba: setproctitle not initialized, please either call 
>> setproctitle_init() or link against libbsd-ctor.
>> samba: setproctitle not initialized, please either call 
>> setproctitle_init() or link against libbsd-ctor.
>> samba: setproctitle not initialized, please either call 
>> setproctitle_init() or link against libbsd-ctor.
>> samba: setproctitle not initialized, please either call 
>> setproctitle_init() or link against libbsd-ctor.
>> samba: setproctitle not initialized, please either call 
>> setproctitle_init() or link against libbsd-ctor.
>> samba: setproctitle not initialized, please either call 
>> setproctitle_init() or link against libbsd-ctor.
>> samba: setproctitle not initialized, please either call 
>> setproctitle_init() or link against libbsd-ctor.
>> samba: setproctitle not initialized, please either call 
>> setproctitle_init() or link against libbsd-ctor.
>> samba: setproctitle not initialized, please either call 
>> setproctitle_init() or link against libbsd-ctor.
>> [2016/07/04 11:29:48.446253,  0] 
>> ../lib/util/become_daemon.c:124(daemon_ready)
>>   STATUS=daemon 'samba' finished starting up and ready to serve 
>> connections
>> samba: setproctitle not initialized, please either call 
>> setproctitle_init() or link against libbsd-ctor.
>> samba: setproctitle not initialized, please either call 
>> setproctitle_init() or link against libbsd-ctor.
>> samba: setproctitle not initialized, please either call 
>> setproctitle_init() or link against libbsd-ctor.
>> samba: setproctitle not initialized, please either call 
>> setproctitle_init() or link against libbsd-ctor.
>> [2016/07/04 11:29:48.460701,  0] 
>> ../lib/util/util_runcmd.c:324(samba_runcmd_io_handler)
>>   /usr/sbin/winbindd: Failed to exec child - No such file or directory
>> [2016/07/04 11:29:48.462580,  0] 
>> ../source4/winbind/winbindd.c:49(winbindd_done)
>>   winbindd daemon exited normally
>> task_server_terminate: [winbindd child process exited]
>> [2016/07/04 11:29:48.464159,  0] 
>> ../source4/smbd/server.c:211(samba_terminate)
>>   samba_terminate: winbindd child process exited
>>
>>
>> Although the message about the daemon being ready seems to indicate 
>> that samba is running, as I said, ps aux shows that it isn't.
>>
>> Any ideas how I can get Samba back up? Uninstalling and reinstalling 
>> it didn't work.
>>
>>
>
> What version did you upgrade from and what is the version now ?
>
> You could try installing 'winbind', this seems to be your problem 
> '/usr/sbin/winbindd: Failed to exec child - No such file or directory'
> Earlier versions of Samba4 running as a DC used 'winbind' built into 
> the 'samba' binary, later versions use the separate 'winbindd' binary 
> instead.
>
> Rowland
>
>
It turned out that libwbclient was a later version than winbind. 
Installing winbind fixed the problem. Somehow winbind got left out of 
the upgrade despite there being a more recent version on Debian's servers.



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