Backtrace didn't work here is the output of it. Looks from the stack trace that the first thing to fix is to check system->priv is valid before dereferencing it. (from stacktrace source.txt)
GNU gdb 6.7.1-debian Copyright (C) 2007 Free Software Foundation, Inc. License GPLv3+: GNU GPL version 3 or later <http://gnu.org/licenses/gpl.html> This is free software: you are free to change and redistribute it. There is NO WARRANTY, to the extent permitted by law. Type "show copying" and "show warranty" for details. This GDB was configured as "i486-linux-gnu"... Using host libthread_db library "/lib/tls/i686/cmov/libthread_db.so.1". (gdb) handle SIG33 pass nostop noprint Signal Stop Print Pass to program Description SIG33 No No Yes Real-time event 33 (gdb) set pagination 0 (gdb) run Starting program: /usr/bin/gnome-terminal [Thread debugging using libthread_db enabled] [New Thread 0xb6d6e6b0 (LWP 25035)] Program exited normally. (gdb) backtrace full No stack. (gdb) info registers The program has no registers now. (gdb) thread apply all backtrace No registers. (gdb) quit -- gnome-terminal crashed with SIGSEGV (detaching tabs) https://bugs.launchpad.net/bugs/187358 You received this bug notification because you are a member of Ubuntu Bugs, which is the bug contact for Ubuntu. -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs