[Samba] Issue on DEBUG statement

[Shivappa Sangapur]

Hi,

I was running samba-4.1.4 successfully on my fedora till the below issue occurs.
I had put some simple DEBUG statements in "lib/util/debug.c" (reopen_logs_internal() and some other funcs) file to understand the logging mechanism.
And the same is compiled fine without any issues. And I started my samba service(both nmbd and smbd), I got "(core dumped) segmentation fault" error with PID of the daemons(both smbd and nmbd). The logged errors are below.
No issues with script(it starts, stop and restart service).
--------------------------------------------------------------------------------------------------------------------------------------------------------
Shutting down SMB services: smbd: no process killed
Killed nmbd(20323) with signal 15
Killing samba force -9
smbd: no process killed
nmbd: no process killed

user
Strting samba......We are reopen_logs_internal fun()
[2014/03/19 06:27:59,  0] ../lib/util/debug.c:552(reopen_logs_internal)
  We are reopen_logs_internal fun()
./runsamba.sh: line 22: 20375 Segmentation fault      (core dumped) /sbin/smbd -s /etc/samba/smb.conf -D
We are reopen_logs_internal fun()
[2014/03/19 06:28:04,  0] ../lib/util/debug.c:552(reopen_logs_internal)
  We are reopen_logs_internal fun()
---------------------------------------------------------------------------------------------------------------------------------------------------------
This is what I got on my console.
And why this DEBUG statement "We are reopen_logs_internal fun() " is printing on the console ?

If I replace the same "DEBUG" statements with "printf", there are no errors and it works fine.

Why these errors only on DEBUG case ?

And log.nmbd is growing like anything not rotating after the maxlog-size limit.

And one more question.
Does "log.%m" (log.smbd and log.nmbd) created in my logdirectory before the daemons parsed the conf file ?
How these files are creating.?

The same DEBUG issue I'm facing on samba-3.6.12 also.
Please suggest me on this issue.

Thanks & Regards,
Shivappa

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