Bug#787889: general: USB keyboard stops working after a few seconds due to USB suspend
Le vendredi, 5 juin 2015, 17.19:46 Jesse Hallett a écrit :
> Attempted to use USB keyboard in, in Xorg and in virtual TTY.
> There appeared to be no input from the keyboard. After disconnecting
> and reconnecting the keyboard it functioned; but after a period of
> seconds it consistently stopped working until it was disconnected and
> reconnected again.
> * Is there a workaround?
> I am able to work around the issue by overriding USB power management
> for the keyboard device:
> cat on | sudo tee /sys/bus/usb/devices/3-1.2.2/power/level
Do you have laptop-mode-tools installed ?
This smells very much like https://bugs.debian.org/671405 and friends.