[gentoo-user] Re: [~amd64] Keyboard stops working several times/day

[walt]

On Sun, 16 Aug 2015 18:58:27 +0200
Alan McKinnon <alan.mckinnon@×××××.com> wrote:

> On 16/08/2015 18:45, walt wrote:
> > I've been seeing this keyboard problem for the past few weeks:
> > after running some command from a bash prompt (haven't tried zsh
> > yet) the keyboard stops working.  Almost like somebody unplugged
> > the keyboard from its usb port (except that the LED on the keyboard
> > stays lit so I know the power is still on).
> >
> > There are no error messages in journalctl or in /var/log/Xorg.0.log
> >
> > I don't know how to change to a console without using a ctrl-alt-Fn
> > keystroke from the keyboard (anyone know if it's possible?).
> >
> > When I unplug the keyboard from the usb port I can see the kernel
> > recognize the unplug event, which makes me think that it's not a
> > kernel/usb bug or a broken wire in the keyboard cable.
> >
> > When I re-plug the keyboard into a usb port the keyboard immediately
> > starts working normally again until the next time I happen to
> > trigger the problem by running some black-magical command from a
> > command prompt.  There is no particular command that causes it--it
> > can be any arbitrary command AFAICT.
> >
> > Just one weird example:  I can be typing a URL in a web browser
> > window when a bash command finishes running in a terminal window
> > and the keyboard stops working in the middle of my typing :(
> >
> > Any debugging suggestions would be most welcome.
>
>
> First step (more to half the problem space than anything else):
>
> Does the same happen if you use another keyboard?

I agree with your assessment -- and I will buy another usb keyboard
tomorrow because I'm using the only one I have and this machine has no
ps/2 ports.  Never thought I'd miss the ps/2 ports til now :)