The "culprit" should be exposed this way: # gdb vlc (gdb) break XOpenDisplay y (gdb) break XInitThreads y (gdb) run ... (gdb) bt
** Changed in: vlc (Ubuntu) Status: New => Incomplete -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/786027 Title: VLC not run on Ubuntu 11.04 Unity -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs