Am getting something similar to this bug but I am on trusty and gtk2 -engines-oxygen is not installed. Am using awesomevm as a window manager and here are the gtk-engines installed :
# dpkg -l gtk2-engines* Desired=Unknown/Install/Remove/Purge/Hold | Status=Not/Inst/Conf-files/Unpacked/halF-conf/Half-inst/trig-aWait/Trig-pend |/ Err?=(none)/Reinst-required (Status,Err: uppercase=bad) ||/ Name Version Architecture Description +++-=============================-===================-===================-=============================================================== ii gtk2-engines-murrine:amd64 0.98.2-0ubuntu2 amd64 cairo-based gtk+-2.0 theme engine ii gtk2-engines-pixbuf:amd64 2.24.23-0ubuntu1.1 amd64 pixbuf-based theme for GTK+ 2.x ii gtk2-engines-xfce 3.0.1-2 amd64 GTK+-2.0 theme engine for Xfce -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/963736 Title: thunderbird and firefox freeze at random : must be killed and restarted To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/gtk2-engines-oxygen/+bug/963736/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
