Fix Bluetooth Mouse Pairing but not Moving Cursor in Linux

I recently picked up a Logitech M585 to replace my old M577 which was randomly registering multiple clicks for each left click. This was the second button to go bad on that mouse so it was time for an upgrade (the back click action on the mouse wheel had gone out a year back).

While I had no problems pairing the M585 with my laptop running Linux, it was not moving the cursor and mouse clicks were not registering. This is not the first mouse that I’ve had issues with on this laptop, the Microsoft Bluetooth Mobile Mouse 3600 exhibited a similar behavior. Checking the system logs, I found the following clue:

[bluetoothd] input-hog profile accept failed for XX:XX:XX:XX:XX:XX

Where XX:XX:XX:XX:XX:XX is the bluetooth address for the mouse. After some digging, I came across the solution. CONFIG_UHID needs to be set to ‘y’ in the kernel config to enable userspace I/O driver support for the HID subsystem.

CONFIG_UHID=y

After making this change, recompiling the kernel and rebooting the M585 pairs and works properly as a mouse. Additionally, the MS Bluetooth Mobile Mouse 3600 now works properly as well.

-John Havlik

[end of transmission, stay tuned]

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