#0  0xb7e17f73 in strlen () from /lib/libc.so.6
No symbol table info available.
#1  0xb7deaa6d in vfprintf () from /lib/libc.so.6
No symbol table info available.
#2  0xb6f96af8 in ?? () from /usr/lib/asterisk/modules/app_queue.so
No symbol table info available.
#3  0x0000000a in ?? ()
No symbol table info available.
#4  0x40240000 in ?? ()
No symbol table info available.
#5  0xb67f56c8 in ?? ()
No symbol table info available.
#6  0xb7c43ab9 in log10f () from /lib/libm.so.6
No symbol table info available.
Backtrace stopped: previous frame inner to this frame (corrupt stack?)