kbdmux disabled - error -> keyboard is not useable

[Luis P. Mendes]

On 2016.02.20 00:12:54 +0000, Luis P. Mendes wrote:

I got no replies to this, where should I post this problem? To another
mailing list? Which one?  Other place?

Thanks in advance,


Luis



> Hi,
> 
> --------------------------
> My FreeBSD version is:
> # uname -a
> FreeBSD leao 10.3-BETA1 FreeBSD 10.3-BETA1 #0 r295321: Fri Feb  5
> 17:02:27 WET 2016 
> 
> I'm using stock kernel.
> --------------------------
> 
> 
> I'm setting up a multiseat workstation, where two users, with two
> monitors, two keyboards, two mice and two X sessions can be
> connected to the same computer at the same time.
> 
> For this to happen, one of the things that is necessary to do is to
> disable kbdmux in order for the two keyboards to be considered
> independent.
> 
> In the past, I've accomplished this with syscon, which had other
> problems.  But now with vt, when I disable kbdmux either on
> /boot/device.hints or in /boot/loader.conf with:
>   hint.kbdmux.0.disabled="1"
> 
> No keys are recognized by the OS, although /var/log/messages seems to
> know about the existence of the USB keyboard, although it shows an
> error.
> 
> 
> The steps I've taken:
> 1. Have an USB keyboard attached to the motherboard.
> The keyboard is a Logitech K120 with no multimedia keys, just a 105
> key with PT layout.  The keyboard works fine when kbdmux is not
> disabled, and works fine in every other computer/OS.
> No AT keyboard used.
> 
> 
> 2. In /boot/loader.conf, have these lines added:
>     ukbd_load="YES"
>     hint.kbdmux.0.disabled="1"
>     hint.atkbd.0.disabled="1"
>     hint.atkbdc.0.disabled="1"
> 
>     I tried it with both *atkbd* lines commented in and out and the
>     result is the same.
> 
> 
> 3. In /etc/rc.conf
>     kbdcontrol -k /dev/ukbd0 < /dev/console
> 
> 
> 4. After commenting the two atk lines in /boot/loader.conf, what I got
>  from:
> # ll /dev/*kbd*
> crw-------  1 root  wheel  0x34 18 Fev 14:34 /dev/atkbd0
> lrwxr-xr-x  1 root  wheel     6 18 Fev 14:34 /dev/kbd0@ -> atkbd0
> lrwxr-xr-x  1 root  wheel     5 18 Fev 14:34 /dev/kbd1@ -> ukbd0
> crw-------  1 root  wheel  0x81 18 Fev 14:34 /dev/ukbd0
> 
> 
> 5. In /var/log/messages, there are these lines:
> # egrep -i -e 'kbd|keyb' messages
> Feb 18 14:34:58 leao kernel: module_register_init: MOD_LOAD (kbdmux,
> 0xffffffff805d4070, 0) error 6
> Feb 18 14:34:58 leao kernel: atkbdc0: <Keyboard controller (i8042)>
> at port 0x60,0x64 on isa0
> Feb 18 14:34:58 leao kernel: atkbd0: <AT Keyboard> irq 1 on atkbdc0
> Feb 18 14:34:58 leao kernel: kbd0 at atkbd0
> Feb 18 14:34:58 leao kernel: atkbd0: [GIANT-LOCKED]
> Feb 18 14:34:58 leao kernel: ukbd0: <USB Keyboard> on usbus0
> Feb 18 14:34:58 leao kernel: kbd1 at ukbd0
> Feb 18 14:34:58 leao kernel: uhid0: <USB Keyboard> on usbus0
> 
> It seems there's an error 6 regarding kbdmux...
> 
> 
> 6. # dmesg | grep kbd
> module_register_init: MOD_LOAD (kbdmux, 0xffffffff805d4070, 0) error 6
> atkbdc0: <Keyboard controller (i8042)> at port 0x60,0x64 on isa0
> atkbd0: <AT Keyboard> irq 1 on atkbdc0
> kbd0 at atkbd0
> atkbd0: [GIANT-LOCKED]
> ukbd0: <USB Keyboard> on usbus0
> kbd1 at ukbd0
> 
> 
> This is the only thing keeping me from using my workstation the way I
>  need.  I hope there's some fix to this.
> 
> 
> How to correct this problem?  Is this a bug?
> 
> 
> -- 
> 
> 
> Luis Mendes
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-- 


Luis Vale Mendes