Laptop keyboard not responsive after USB keyboard unplug

Bridger Dyson-Smith bdysonsmith at gmail.com
Wed May 21 11:58:46 UTC 2014


On Thu, May 15, 2014 at 2:15 PM, Bridger Dyson-Smith
<bdysonsmith at gmail.com>wrote:

> On 05/09/2014, Lawrence Stewart wrote:
> >On 01/11/13 03:43, Pierre DAVID wrote:
> >> On Fri, Jan 11, 2013 at 10:36:27AM +0000, Tom Evans wrote:
> >>> On Fri, Jan 11, 2013 at 8:40 AM, Pierre DAVID <pdagog at gmail.com>
> wrote:
> >>>> Hi,
> >>>>
> >>>> I have an old (since the conversion to HAL I think) problem which
> >>>> begins to be very annoying since I now need more mobility:
> >>>>
> >>>>     when I disconnect the USB keyboard/mouse from my laptop, the
> >>>>     laptop keyboard is no longer responsive.
> >>>>
> >>>>     Internal touchpad/mouse continue to work. When plug back the
> >>>>     USB keyboard, all keyboards (laptop + USB) work again.
> >>>>
> >>>>     This problem occurs only when using X11. When not using X11,
> >>>>     keyboard plug/unplug is working perfectly well.
> >>>
> >>> Hi Pierre
> >>>
> >>> I've also noticed this problem, but I have a workaround. After detach,
> >>> switch to a VT (CTRL+ALT+F1), hit any key and then switch back to X,
> >>> and the internal keyboard works again.
> >>>
> >>
> >> Great!
> >>
> >> This not a real and elegant solution... but this is real workaround
> >> which makes my life much easier!
> >>
> >> Thanks very much!
> >
> >I have exactly this problem with a Fujitsu Lifebook E743 running FreeBSD
> >11.0-CURRENT r263980, new VT with KMS and xorg-7.7 built from ports head
> >branch r350058 via poudriere. However, the suggested work around does
> >not work as CTRL+ALT+F1 does not register and switch out to a VT.
> >
> >Can any FreeBSD xorg gurus please chime in to help me debug and
> >hopefully fix this really annoying problem?
> >
> >Cheers,
> >Lawrence
>
> HI all,
> I'm experiencing a similar issue on a ThinkPad T430s, running PC-BSD
> 10-RELEASE. I would be delighted to provide additional information to help
> diagnose this problem; I know there are a few other PC-BSD users who are
> having similar problems.
>
> Thank you for your time & trouble.
> Cheers,
> Bridger
>

Hi list,

Another user found that adding the following:

Option "AutoAddDevices" "False"

to the Section "ServerLayout" in /etc/X11/xorg.conf solves the problem.
This is working for me and hasn't caused any (obvious) problems. Hopefully
this will be of use for you.

Best,
Bridger


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