Comment 19 for bug 435990

You can read: https://wiki.ubuntu.com/Backtrace for more information. To start Firefox in gdb use "firefox -g" in the terminal instead of "gdb <program> 2>&1 | tee ~/gdb-<program>.txt" and continue from there. Pay particular attention to step 4 as it will tell you how to continue when it hangs instead of crashes.