The mesa error message for this is produced when mesa is given an unsupported gl_format type.
default: _mesa_problem(NULL, "bad format in _mesa_format_to_type_and_comps"); *datatype = 0; *comps = 1; } If someone could collect a full backtrace (gdb> bt full) with the mesa debug package installed (libgl1-mesa-dri-dbg and/or libgl1-mesa-glx-dbg) it might give a clue what format it's trying to use. -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/685135 Title: ALT+TAB makes unity crash (compiz: main/mipmap.c:43: bytes_per_pixel: Assertion `b >= 0' failed.) -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs