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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.

Cheers,
OdyX


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