samba4 kerberos process suddenly dies

Andreas Oster aoster at
Wed Nov 16 02:31:35 MST 2011

Hello Andrew,

thank you for your fast response. I will do the debugging and
will get in contact with you again when this is finished.

Thank you for your kind help


Am 16.11.2011 10:19, schrieb Andrew Bartlett:
> On Tue, 2011-11-15 at 19:12 +0100, Andreas Oster wrote:
>> Hello all,
>> I have successfully migrated an old Win2000 AD to a Samba4 system.
>> Unfortunately after some hours port 88 (kerberos process) on both
>> of my samba4 DCs suddenly dies and a restart of the samba service
>> is required.
>> I am using latest Ubuntu server (11.10) and have built samba from
>> the current git (4.0.0alpha18-GIT-a354758).
>> As I have no clue why this is happening I will attach a part of the
>> log file and hope someone can help me with this issue.
> This is most odd.  The first thing we need to do is run with -d5, 
> The best way to start debugging this, as I cannot see the process
> exiting normally, is to run it as:
> gdb --args samba -i -M single
> break _exit
> break exit
> That we hope will trap the process exit, then run 'bt full' to help
> track down the culprit. 
> (This is quite unusual, if the exit was abnormal, it would typically
> print to the logs). 
> Andrew Bartlett
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