This GDB was configured as "i486-linux-gnu".
(gdb) bt
No stack.
(gdb) bt
No stack.
(gdb) run qtwengophone
Starting program:  qtwengophone
No executable file specified.
Use the "file" or "exec-file" command.
(gdb) exec-file qtwengophone
(gdb) backtrace
No stack.
(gdb)