[root@flex2 ~]# gdb /usr/local/freeswitch/bin/freeswitch ./core.22668
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This GDB was configured as "i386-redhat-linux-gnu"...Using host libthread_db library "/lib/libthread_db.so.1".
warning: core file may not match specified executable file.
warning: Can't read pathname for load map: Input/output error.
Reading symbols from /lib/libm.so.6...done.
Loaded symbols for /lib/libm.so.6
Reading symbols from /usr/local/freeswitch/lib/libfreeswitch.so.1...done.
Loaded symbols for /usr/local/freeswitch/lib/libfreeswitch.so.1
Reading symbols from /lib/librt.so.1...done.
Loaded symbols for /lib/librt.so.1
Reading symbols from /lib/libdl.so.2...done.
Loaded symbols for /lib/libdl.so.2
Reading symbols from /lib/libcrypt.so.1...done.
Loaded symbols for /lib/libcrypt.so.1
Reading symbols from /lib/libpthread.so.0...done.
Loaded symbols for /lib/libpthread.so.0
Reading symbols from /usr/lib/libncurses.so.5...done.
Loaded symbols for /usr/lib/libncurses.so.5
Reading symbols from /lib/libc.so.6...done.
Loaded symbols for /lib/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/libstdc++.so.6...done.
Loaded symbols for /usr/lib/libstdc++.so.6
Reading symbols from /lib/libgcc_s.so.1...done.
Loaded symbols for /lib/libgcc_s.so.1
Reading symbols from /usr/lib/libodbc.so.1...done.
Loaded symbols for /usr/lib/libodbc.so.1
Reading symbols from /usr/local/freeswitch/mod/mod_console.so...done.
Loaded symbols for /usr/local/freeswitch/mod/mod_console.so
Reading symbols from /usr/local/freeswitch/mod/mod_logfile.so...done.
Loaded symbols for /usr/local/freeswitch/mod/mod_logfile.so
Reading symbols from /usr/local/freeswitch/mod/mod_enum.so...done.
Loaded symbols for /usr/local/freeswitch/mod/mod_enum.so
Reading symbols from /usr/local/freeswitch/mod/mod_cdr_csv.so...done.
Loaded symbols for /usr/local/freeswitch/mod/mod_cdr_csv.so
Reading symbols from /usr/local/freeswitch/mod/mod_event_socket.so...done.
Loaded symbols for /usr/local/freeswitch/mod/mod_event_socket.so
Reading symbols from /usr/local/freeswitch/mod/mod_iax.so...done.
Loaded symbols for /usr/local/freeswitch/mod/mod_iax.so
Reading symbols from /usr/local/freeswitch/mod/mod_sofia.so...done.
Loaded symbols for /usr/local/freeswitch/mod/mod_sofia.so
Reading symbols from /lib/libnss_files.so.2...done.
Loaded symbols for /lib/libnss_files.so.2
Reading symbols from /lib/libnss_dns.so.2...done.
Loaded symbols for /lib/libnss_dns.so.2
Reading symbols from /lib/libresolv.so.2...done.
Loaded symbols for /lib/libresolv.so.2
Core was generated by `fs'.
Program terminated with signal 6, Aborted.
#0 0x004c9402 in __kernel_vsyscall ()
(gdb)
(gdb) bt
#0 0x00fc4402 in __kernel_vsyscall ()
#1 0x00534ba0 in raise () from /lib/libc.so.6
#2 0x005364b1 in abort () from /lib/libc.so.6
#3 0x0056adfb in __libc_message () from /lib/libc.so.6
#4 0x00572aa6 in _int_free () from /lib/libc.so.6
#5 0x00575fc0 in free () from /lib/libc.so.6
#6 0x00191c80 in sofia_reg_check_expire (profile=0xb1228f5c, now=1208190871) at sofia_reg.c:269
#7 0x00175a01 in sofia_profile_worker_thread_run (thread=0x93d7040, obj=0x93d62d0) at sofia.c:452
#8 0x003485f6 in dummy_worker (opaque=0x93d7040) at threadproc/unix/thread.c:138
#9 0x0068245b in start_thread () from /lib/libpthread.so.0
#10 0x005da24e in clone () from /lib/libc.so.6