Yes, this may be true - the problem started to appear
on the list after switch to H323Plus.
----- Original Message -----
From: "Jan Willamowius" <jan@xxxxxxxxxxxxxx>
To: <openh323gk-users@xxxxxxxxxxxxxxxxxxxxx>
Sent: Tuesday, February 19, 2008 2:04 PM
Subject: Re: reload problem
> Hi,
>
> I can reproduce the crash here now:
> The crash happens in the deletion of m_logFile in ReopenLogFile() and a
> lot of times the pointer looks even pretty valid. But so far I'm not
> sure what is causing the crash.
>
> It only happens (at least here) when you compile against H323Plus, not
> when using OpenH323 Atlas.
>
> Regards,
> Jan
>
>
> Zygmuntowicz Michal wrote:
>> It seems like accessing NULL pointer somewhere
>> (#0 stack frame is at very low address, almost NULL).
>> ----- Original Message -----
>> From: Tusar
>> To: GNU Gatekeeper Users
>> Sent: Monday, February 18, 2008 2:53 PM
>> Subject: Re: reload problem
>>
>>
>> Hi,
>>
>>
>> Here is backtrace log from GnuGK dumped core file...
>> ========================================
>>
>> [root@SunFlower /]# gdb /usr/sbin/gnugk core.17399
>> GNU gdb Red Hat Linux (6.3.0.0-1.153.el4_6.1rh)
>> Copyright 2004 Free Software Foundation, Inc.
>> GDB is free software, covered by the GNU General Public License, and
>> you are
>> welcome to change it and/or distribute copies of it under certain
>> conditions.
>> Type "show copying" to see the conditions.
>> There is absolutely no warranty for GDB. Type "show warranty" for
>> details.
>> This GDB was configured as "i386-redhat-linux-gnu"...Using host
>> libthread_db library "/lib/tls/libthread_db.so.1".
>>
>> Core was generated by `/usr/sbin/gnugk -c /etc/gnugk.ini -t -o
>> /usr/local/gnugk/gk.log --pid /var/r'.
>> Program terminated with signal 11, Segmentation fault.
>> Reading symbols from /lib/tls/libpthread.so.0...done.
>> Loaded symbols for /lib/tls/libpthread.so.0
>> Reading symbols from /lib/libssl.so.4...done.
>> Loaded symbols for /lib/libssl.so.4
>> Reading symbols from /lib/libcrypto.so.4...done.
>> Loaded symbols for /lib/libcrypto.so.4
>> Reading symbols from /usr/lib/libexpat.so.0...done.
>> Loaded symbols for /usr/lib/libexpat.so.0
>> Reading symbols from /usr/lib/libSDL-1.2.so.0...done.
>> Loaded symbols for /usr/lib/libSDL-1.2.so.0
>> Reading symbols from /lib/libresolv.so.2...done.
>> Loaded symbols for /lib/libresolv.so.2
>> Reading symbols from /lib/libdl.so.2...done.
>> Loaded symbols for /lib/libdl.so.2
>> Reading symbols from /usr/lib/libstdc++.so.6...done.
>> Loaded symbols for /usr/lib/libstdc++.so.6
>> Reading symbols from /lib/tls/libm.so.6...done.
>> Loaded symbols for /lib/tls/libm.so.6
>> Reading symbols from /lib/libgcc_s.so.1...done.
>> Loaded symbols for /lib/libgcc_s.so.1
>> Reading symbols from /lib/tls/libc.so.6...done.
>> Loaded symbols for /lib/tls/libc.so.6
>> Reading symbols from /lib/ld-linux.so.2...done.
>> Loaded symbols for /lib/ld-linux.so.2
>> Reading symbols from /usr/lib/libgssapi_krb5.so.2...done.
>> Loaded symbols for /usr/lib/libgssapi_krb5.so.2
>> Reading symbols from /usr/lib/libkrb5.so.3...done.
>> Loaded symbols for /usr/lib/libkrb5.so.3
>> Reading symbols from /lib/libcom_err.so.2...done.
>> Loaded symbols for /lib/libcom_err.so.2
>> Reading symbols from /usr/lib/libk5crypto.so.3...done.
>> Loaded symbols for /usr/lib/libk5crypto.so.3
>> Reading symbols from /usr/lib/libz.so.1...done.
>> Loaded symbols for /usr/lib/libz.so.1
>> Reading symbols from /lib/libasound.so.2...done.
>> Loaded symbols for /lib/libasound.so.2
>> Reading symbols from /usr/X11R6/lib/libX11.so.6...done.
>> Loaded symbols for /usr/X11R6/lib/libX11.so.6
>> Reading symbols from /usr/X11R6/lib/libXext.so.6...done.
>> Loaded symbols for /usr/X11R6/lib/libXext.so.6
>> Reading symbols from /lib/libnss_files.so.2...done.
>> Loaded symbols for /lib/libnss_files.so.2
>> #0 0x00000051 in ?? ()
>> (gdb) bt
>> #0 0x00000051 in ?? ()
>> #1 0x08106538 in ReloadHandler () at gk.cxx:131
>> #2 0x08079e9a in StatusClient::ExecCommand (this=0xb7c08ba0, cmd=
>> {<PCharArray> = {<PBaseArray<char>> = {<PAbstractArray> =
>> {<PContainer> = {<PObject> = {_vptr.PObject = 0x8556708}, reference =
>> 0xb7c08b20}, elementSize = 1, theArray = 0xb7c08b30 "reload",
>> allocatedDynamically = 1}, <No data fields>}, <No data fields>}, <No data
>> fields>}) at GkStatus.cxx:1262
>> #3 0x0807c643 in SimpleClassJobA<StatusClient, PString>::Run
>> (this=0xb7c08d98) at job.h:242
>> #4 0x0805a602 in Worker::Main (this=0xb7c12ff0) at job.cxx:182
>> #5 0x0846fc53 in PThread::PX_ThreadStart (arg=0xb7c12ff0) at
>> tlibthrd.cxx:1361
>> #6 0x001e03cc in start_thread () from /lib/tls/libpthread.so.0
>> #7 0x004121ae in clone () from /lib/tls/libc.so.6
>> (gdb)
>>
>>
>> CentOS-4.6
>> Kernel-2.6.9-67.0.4.ELsmp
>> gcc-3.4.6-9
>> ptlib-v2_0_1-2
>> h323plus-v1_20_2
>> GnuGK-CVS-2008.02.17
>>
>> Thanks in advance.
>>
>> Best Regards,
>> ..Tusar..
>>
>>
>>
>> 2008/2/18 <plamen@xxxxxxxxxxxxxxxxxx>:
>>
>> Hi,
>> I use latest H.323 Plus Core(1.20.2) and PTLib(2.0.1).
>>
>> PlayMen
>>
>>
>> > Hi,
>> >
>> > are you compiling against OpenH323 or H323Plus and which version ?
>> >
>> > Would you be able to compile a debug version of GnuGk ('make
>> debug'),
>> > enable coredumps ('ulimit -c unlimited') and provide a backtrace of
>> > your crash ('gdb gnugk core' and 'bt') ?
>> >
>> > Thanks,
>> > Jan
>> >
>> >
>> > plamen@xxxxxxxxxxxxxxxxxx wrote:
>> >> Hi all,
>> >> I use GNUGK from CVS.
>> >> when type "reload" GNUGK is crashed.
>> >> Here is last line of GNUGK log:
>> >> 2008/02/18 16:04:02.369 1 gk.cxx(888) GK
>> Logging
>> >> closed (reopen log file)
>> >>
>> >> Can you help me?
>> >>
>> >> PlayMen
>> >
>> > --
>> > Jan Willamowius, jan@xxxxxxxxxxxxxx, http://www.gnugk.org/
>> >
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>
> --
> Jan Willamowius, jan@xxxxxxxxxxxxxx, http://www.gnugk.org/
>
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