Re: [gentoo-user] [OT]: "Reset" of USB when switching to console and back to X?

[Paul Hartman <paul.hartman+gentoo@gmail.com>]

On Tue, Aug 16, 2011 at 10:01 PM,  <meino.cramer@gmx.de> wrote:
> Hi,
>
> I have attached an old keyboard (PS/2-connector) via an
> USB-PS/2-adaptor to my PC.
>
> When typing too fast (...) the three LEDs of the keyboard flashes
> and everything typed then is typed as if the CTRL-Key constantly
> locked (I am using the X-window-system with openbox as windowmanager.
> There is no session management.)
>
> It is possible to revert back to normal when I switch
> from X-windows to the Linux console (CTRL-ALT-F1) and back
> to X (CTRL-ALT-F7).
>
> My question is:
> What part (PC? Adapator? Keyboard?) gets out of sync here is
> "resetted" (somehow), while switching between console and
> X-windows?
>
> How can I reset the behaviour without switching? How can I
> prevent the behaviour completly?

FWIW I have experienced that same behavior with several PS/2 to USB
adapters, in Windows, in Linux, etc. I think it's a common problem
with those adapters in general. I've never used one that didn't "go
crazy" a few times a day.