It looks to me like this is a failure due to not initializing multi- threading in dbus. Two threads appear to be closing the connection at once and thus the second thread crashes since there is no locking. The attached patch appears to fix the problem for me at least.
** Patch added: "fix_dbus_crash.patch" https://bugs.launchpad.net/ubuntu/+source/usb-creator/+bug/915626/+attachment/3921007/+files/fix_dbus_crash.patch -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/915626 Title: usb-creator-gtk crashed with SIGSEGV in _dbus_watch_invalidate To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/dbus/+bug/915626/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs