[root@robin tmp]# gdb /usr/sbin/asterisk core.17887 GNU gdb Red Hat Linux (6.3.0.0-1.143.el4rh) 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/asterisk -vvvg -c'. Program terminated with signal 11, Segmentation fault. Reading symbols from /lib/libdl.so.2...done. Loaded symbols for /lib/libdl.so.2 Reading symbols from /lib/tls/libpthread.so.0...done. Loaded symbols for /lib/tls/libpthread.so.0 Reading symbols from /lib/libtermcap.so.2...done. Loaded symbols for /lib/libtermcap.so.2 Reading symbols from /lib/libresolv.so.2...done. Loaded symbols for /lib/libresolv.so.2 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/libvorbis.so.0...done. Loaded symbols for /usr/lib/libvorbis.so.0 Reading symbols from /lib/tls/libm.so.6...done. Loaded symbols for /lib/tls/libm.so.6 Reading symbols from /usr/lib/libvorbisenc.so.2...done. Loaded symbols for /usr/lib/libvorbisenc.so.2 Reading symbols from /usr/lib/libogg.so.0...done. Loaded symbols for /usr/lib/libogg.so.0 Reading symbols from /usr/lib/libcurl.so.3...done. Loaded symbols for /usr/lib/libcurl.so.3 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 /usr/lib/libidn.so.11...done. Loaded symbols for /usr/lib/libidn.so.11 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 /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/asterisk/modules/cdr_addon_mysql.so...done. Loaded symbols for /usr/lib/asterisk/modules/cdr_addon_mysql.so Reading symbols from /usr/lib/mysql/libmysqlclient.so.14...done. Loaded symbols for /usr/lib/mysql/libmysqlclient.so.14 Reading symbols from /lib/libcrypt.so.1...done. Loaded symbols for /lib/libcrypt.so.1 Reading symbols from /lib/libnsl.so.1...done. Loaded symbols for /lib/libnsl.so.1 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 /usr/lib/asterisk/modules/codec_ulaw.so...done. Loaded symbols for /usr/lib/asterisk/modules/codec_ulaw.so Reading symbols from /usr/lib/asterisk/modules/res_config_mysql.so...done. Loaded symbols for /usr/lib/asterisk/modules/res_config_mysql.so Reading symbols from /usr/lib/asterisk/modules/codec_lpc10.so...done. Loaded symbols for /usr/lib/asterisk/modules/codec_lpc10.so Reading symbols from /usr/lib/asterisk/modules/codec_adpcm.so...done. Loaded symbols for /usr/lib/asterisk/modules/codec_adpcm.so Reading symbols from /usr/lib/asterisk/modules/codec_zap.so...done. Loaded symbols for /usr/lib/asterisk/modules/codec_zap.so Reading symbols from /usr/lib/asterisk/modules/app_addon_sql_mysql.so...done. Loaded symbols for /usr/lib/asterisk/modules/app_addon_sql_mysql.so Reading symbols from /usr/lib/asterisk/modules/codec_ilbc.so...done. Loaded symbols for /usr/lib/asterisk/modules/codec_ilbc.so Reading symbols from /usr/lib/asterisk/modules/codec_gsm.so...done. Loaded symbols for /usr/lib/asterisk/modules/codec_gsm.so Reading symbols from /usr/lib/asterisk/modules/codec_a_mu.so...done. Loaded symbols for /usr/lib/asterisk/modules/codec_a_mu.so Reading symbols from /usr/lib/asterisk/modules/codec_g729-ast14-gcc4-glibc-pentium4.so...done. Loaded symbols for /usr/lib/asterisk/modules/codec_g729-ast14-gcc4-glibc-pentium4.so Reading symbols from /usr/lib/asterisk/modules/codec_alaw.so...done. Loaded symbols for /usr/lib/asterisk/modules/codec_alaw.so Reading symbols from /usr/lib/asterisk/modules/codec_g726.so...done. Loaded symbols for /usr/lib/asterisk/modules/codec_g726.so #0 0x0816130d in socket_process (thread=0x980ed08) at /usr/src/asterisk/1.4/asterisk-1.4.10.1/include/asterisk/strings.h:35 35 return (!s || (*s == '\0')); (gdb) bt #0 0x0816130d in socket_process (thread=0x980ed08) at /usr/src/asterisk/1.4/asterisk-1.4.10.1/include/asterisk/strings.h:35 #1 0x08167c12 in iax2_process_thread (data=0x980ed08) at chan_iax2.c:7936 #2 0x080fba25 in dummy_start (data=0x1fa578) at utils.c:775 #3 0x008473cc in start_thread () from /lib/tls/libpthread.so.0 #4 0x007b1c3e in clone () from /lib/tls/libc.so.6 (gdb) bt full #0 0x0816130d in socket_process (thread=0x980ed08) at /usr/src/asterisk/1.4/asterisk-1.4.10.1/include/asterisk/strings.h:35 sin = {sin_family = 2, sin_port = 55569, sin_addr = {s_addr = 4041753296}, sin_zero = "\000\000\000\000\000\000\000"} res = 28 updatehistory = 0 new = 1 ptr = Variable "ptr" is not available. (gdb)