Hi all, I'm not familiar writing to kernel lists so bear with me ;o)) subject Since kernel update to 3.19 my logitech M570 trackball doesn't show up in xfce4-power-manager as doesn't my logitech k230 keyboard. My Logitech Mouse M315 still does. All are connected via wireless usb Receiver. That's what lsusb tells regarding Logitech devices: Bus 007 Device 006: ID 046d:c52b Logitech, Inc. Unifying Receiver Bus 007 Device 011: ID 046d:c52b Logitech, Inc. Unifying Receiver Bus 007 Device 010: ID 046d:c52f Logitech, Inc. Unifying Receiver Finally this appears plugging in the mouse: Bus 007 Device 010: ID 046d:c52f Logitech, Inc. Unifying Receiver those appear plugin in trackball and keyboard : Bus 007 Device 006: ID 046d:c52b Logitech, Inc. Unifying Receiver Bus 007 Device 011: ID 046d:c52b Logitech, Inc. Unifying Receiver All devices work fine regarding functionality. I run up to date archlinux 64-bit. Proposal to post here I got at arch-general Mailinglist: http://thread.gmane.org/gmane.linux.arch.general/53543/focus=53680 If of any interest for You please ask for more information if needed. btw. I'm not subscribed to the list - please cc me. regards -- Friedrich -- To unsubscribe from this list: send the line "unsubscribe linux-input" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html