I can reproduce the reported crash on Linux Mint 17.1 32-bit, which is based on Ubuntu 14.04.3, at will, simply by launching xfce4-appearance-settings. I have installed xfce 4.12 from this PPA: ppa:xubuntu-dev/xfce-4.12
$ xfce4-appearance-settings --version xfce4-appearance-settings 4.12.0 (Xfce 4.12) There is no moka-icon-theme here on Mint 17.1 $ xfce4-appearance-settings (xfce4-appearance-settings:6244): GLib-ERROR **: /build/buildd/glib2.0-2.40.2/./glib/gmem.c:133: failed to allocate 512 bytes Trace/Breakpoint ausgelöst More users have confirmed the problem in this forum thread: http://forums.linuxmint.com/viewtopic.php?f=57&t=201008&start=20 -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1458678 Title: xfce appearance settings windows crashes occasionally To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/moka-icon-theme/+bug/1458678/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs