I just want to give some input here .
Yes, Crash is happening only when I am using H323Plus (At least for me). If I compile GnuGK against OpenH323-1.18.0/1.19.0.1,
it is running fine.
Best Regards,
..Tusar..
On Feb 19, 2008 7:04 PM, Jan Willamowius <jan@xxxxxxxxxxxxxx> wrote:
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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