[PC-BSD Dev] Mouse detection problem in PCBSD 10

Kris Moore kris at pcbsd.org
Mon Feb 3 11:33:45 PST 2014

On 02/01/2014 17:49, Claudio L. wrote:
> Hello,
> I reported this in another thread but I'll make it a separate one
> because it will affect a lot of people.
> My USB mouse and keyoard are sharing a single device with multiple
> endpoints. Same thing with my graphing tablet, it has multiple devices
> for the macro keys, scroll keys and the tablet itself.
> It seems the new auto-detection of devices is not smart enough to
> detect this kind of composite USB devices.
> Here's what happens:
> devd detects the device and loads the kernel modules ukbd which
> attaches to the keyboard portion of it only. The mouse portion should
> be handled by ums but it's never loaded (or perhaps it is but fails to
> attach to the device).
> The solution is to use uhidd, which seems to work. At least I tested
> it in text mode, in single user mode but never under X.
> In my case, my device is in ugen2.2 and the other device is in
> ugen4.7, so from the console I do:
> sudo uhidd -d -u -kmo /dev/ugen2.2
> sudo uhidd -d -u -kmo /dev/ugen4.7
> and then I load moused.
> I can test it with
> vidcontrol -m on
> and I can see the mouse moving perfectly with either device in text
> mode. I'm not sure how to make the system autodetect this properly.
> Is there any way to run uhidd first instead of the kernel drivers?
> The wiki says we should compile the kernel without the drivers, but it
> might be outdated, since now ums is loaded dynamically (I know because
> mine isn't loading).
> I noticed the author is Warner Losh (are you reading this Warner? I'd
> appreciate your input).
> Claudio

I'm not sure if this is something which needs to be fixed in the base,
or maybe devd?

Hans, any thought on this?

Kris Moore
PC-BSD Software

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