The core generated is kind of huge to upload it here: pgeorgiadis@panos:~> gdb firefox core.30022 [...] [...] [...] Core was generated by `/usr/lib64/firefox/firefox -g /usr/lib64/firefox/firefox'. Program terminated with signal SIGSEGV, Segmentation fault. #0 0x00007ffff6e5afd9 in ?? () pgeorgiadis@panos:~> ls -lh core.30022 -rw-r--r-- 1 pgeorgiadis suse 708M Dec 21 17:02 core.30022