[root@wall sipregister]# gdb /usr/sbin/asterisk /tmp/core.2941
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This GDB was configured as "i386-redhat-linux-gnu"...Using host libthread_db library "/lib/libthread_db.so.1".
Reading symbols from shared object read from target memory...done.
Loaded system supplied DSO at 0x949000
Core was generated by `/usr/sbin/asterisk -U asterisk -G asterisk -vvvg -c'.
Program terminated with signal 11, Segmentation fault.
warning: svr4_current_sos: Can't read pathname for load map: Input/output error
Reading symbols from /lib/libdl.so.2...done.
Loaded symbols for /lib/libdl.so.2
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/libm.so.6...done.
Loaded symbols for /lib/libm.so.6
Reading symbols from /lib/libresolv.so.2...done.
Loaded symbols for /lib/libresolv.so.2
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 /lib/libnss_files.so.2...done.
Loaded symbols for /lib/libnss_files.so.2
Reading symbols from /usr/lib/asterisk/modules/format_wav.so...done.
Loaded symbols for /usr/lib/asterisk/modules/format_wav.so
Reading symbols from /usr/lib/asterisk/modules/format_pcm.so...done.
Loaded symbols for /usr/lib/asterisk/modules/format_pcm.so
Reading symbols from /usr/lib/asterisk/modules/format_mp3.so...done.
Loaded symbols for /usr/lib/asterisk/modules/format_mp3.so
#0 0x0805e2d2 in __load_resource (resource_name=0x830627d "format_mp3.so", cfg=Variable "cfg" is not available.
) at loader.c:735
735 if (!m->load_module)
(gdb) bt
#0 0x0805e2d2 in __load_resource (resource_name=0x830627d "format_mp3.so", cfg=Variable "cfg" is not available.
) at loader.c:735
#1 0x0805e8cd in print_and_load (s=0x830627d "format_mp3.so", cfg=0x8305d68) at loader.c:848
#2 0x0805ea05 in load_modules (preload_only=0) at loader.c:885
#3 0x080adab2 in main (argc=7, argv=0xbfe3fff4) at asterisk.c:2609