Core was generated by `/usr/sbin/asterisk -f -vvvg -c'.
Program terminated with signal 11, Segmentation fault.
#0  0x0000003d3fc45071 in sqlite3VdbeMemRelease () from /usr/lib64/libsqlite3.so.0
(gdb) bt
#0  0x0000003d3fc45071 in sqlite3VdbeMemRelease () from /usr/lib64/libsqlite3.so.0
#1  0x0000003d3fc45821 in sqlite3VdbeMemSetStr () from /usr/lib64/libsqlite3.so.0
#2  0x0000003d3fc3c5d8 in sqlite3Error () from /usr/lib64/libsqlite3.so.0
#3  0x0000003d3fc41f39 in ?? () from /usr/lib64/libsqlite3.so.0
#4  0x0000003d3fc41ff8 in ?? () from /usr/lib64/libsqlite3.so.0
#5  0x0000000000493fc1 in ast_db_gettree ()
#6  0x00002b5c1dd995b3 in process_clearcache (ignore=<value optimized out>) at pbx_dundi.c:2208
#7  0x000000000054734e in dummy_start ()
#8  0x0000003209a0683d in start_thread () from /lib64/libpthread.so.0
#9  0x0000003208ad4f8d in clone () from /lib64/libc.so.6
(gdb) bt full
#0  0x0000003d3fc45071 in sqlite3VdbeMemRelease () from /usr/lib64/libsqlite3.so.0
No symbol table info available.
#1  0x0000003d3fc45821 in sqlite3VdbeMemSetStr () from /usr/lib64/libsqlite3.so.0
No symbol table info available.
#2  0x0000003d3fc3c5d8 in sqlite3Error () from /usr/lib64/libsqlite3.so.0
No symbol table info available.
#3  0x0000003d3fc41f39 in ?? () from /usr/lib64/libsqlite3.so.0
No symbol table info available.
#4  0x0000003d3fc41ff8 in ?? () from /usr/lib64/libsqlite3.so.0
No symbol table info available.
#5  0x0000000000493fc1 in ast_db_gettree ()
No symbol table info available.
#6  0x00002b5c1dd995b3 in process_clearcache (ignore=<value optimized out>) at pbx_dundi.c:2208
        db_entry = 0x2b5bf91e9cd0
        db_tree = 0x0
        now = 1379297393
        __PRETTY_FUNCTION__ = "process_clearcache"
#7  0x000000000054734e in dummy_start ()
No symbol table info available.
#8  0x0000003209a0683d in start_thread () from /lib64/libpthread.so.0
No symbol table info available.
#9  0x0000003208ad4f8d in clone () from /lib64/libc.so.6
No symbol table info available.