Problems with USB switch after Upgrade

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http://chakra-project.org – Hello all,I installed Chakra - 2012-07-02 - Archimedes to an external USB hard drive. This worked perfectly and without an issue. My mouse (Logitech MX510) and my keyboard (Cherry Evolution) are connected to my computer via a USB switch (it is a center USB Share Switch, unfortunatelly I do not find an english page about that device) which allows for the usage of USB devices on two computers, just a button press on the device away. Directly after the installation this worked perfectly, even after reboot and some days of usage. Yesterday, I did a sudo pacman -Syu, which went fine and without err (HowTos)