On Sat, 21 Mar 2015, [email protected] wrote:
> I am using my laptop (lenovo T430, debian testing) regularly in a docking
> station. The dock has a USB keyboard, USB mouse and monitor
> permanently attached. The laptops suspends from time to time, and _after_
> resuming X11 or some other system component
> the input from USB mouse and keyboard to be dropped/ignored partially.
> Symptoms are that the cursor does not move with
> the mouse, however it will start moving again if I click any of the mouse
> buttons; or that the keyboard input is ignored until
> I hit some arbitrary keys very rapidly. The USB amnesia starts again if I
> leave the input device untouched for some seconds.
> The issue will not occur for newly connected devices or if I reconnect
> mouse/keyboard. The dock is not the issue as I can
> reproduce the phenomenon with a USB mouse directly connected to the laptop.
> I have no clue what could be going on...
Probably a USB autosuspend issue. Do you have laptop-mode-tools
installed? If yes, can you get rid of it and re-test?
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