[gentoo-user] Re: Kernel 4.x and (probably) event issues

[James]

Roman Dobosz <gryf73 <at> op.pl> writes:

> 2. This one is more annoying. After boot to the new shiny 4.x kernel,
> devices connected via the usb seems to have aggressive power safe mode.
> For example - if I typing for a while everything is fine, if I stop for
> a couple of seconds, and then start to type, for approximately 2 seconds
> there is no response from the device, and after that i can type again.
> Note, that during those 2s no buffering is done, so whatever I'm typing
> in this short period, is lost. Same goes to the mouse movement and
> buttons.

You might want to install 
sys-apps/udevil

and see how your usb devices perform.
It's an idea to test, not a guarranteed solution.

hth,
James