ok, I don't see anything related to when you insert the usb disk bad in the logs. (There is some weird ACPI stuff earlier but it doesn't look related??), so I'll leave this back to the xfwm4 guys to think whatelse to look at.
Dave ** Changed in: xfwm4 (Ubuntu) Status: Incomplete => New -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1056452 Title: Desktop becomes unresponsive after pluggin in usb memory stick To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/xfwm4/+bug/1056452/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs