Re: [Linuxwacom-discuss] Help with Intuos serial on Mandriva 2010.2 (X.Org X Server 1.7.7)

[Peter H. <pet...@wh...>]

On Mon, Jun 06, 2011 at 06:43:55PM +0200, gat...@ya... wrote:
> 
> On 2011-06-05 19:31, Favux ... wrote:
> > Not sure what's going on.  I'm pretty sure others using the patch have
> > reported pressure.
> 
> ... maybe there are some protocol variations. Some other posts refer to
> serial Intuos 2 tablets, what I have is the original Intuos tablet
> (which always had a RS-232 interface). Before the system upgrade it was
> working fine (at least as far as the driver is concerned) with
> linxuwacom 0.8.6 on xorg 1.4.2.
> > 
> > Xidump is not included with xf86-input-wacom.  Let's see, you can't
> > use evtest.  So try the isd4-serial-debugger.
> 
> At least the normal "isd4-serial-debugger" seems to produce only random
> data (I think, my tablet only works with 9600 baud) and now, with the
> wacom driver loaded, crashes the machine. Since all relevant programs
> (all meaning inkscape and gimp ;-) get the tablet input from xinput,
> xidump should be fine.
> 
> Looking at the xidump readings closer, it seems that the pressure value
> is not really constant: it starts with 0, but obviously the pressure
> is added to the previous value so it quickly reaches 2048 and the stays
> there. (Amazingly, the pressure already rises when the stylus is close
> enough - it doesn't even have to touch the tablet ...)

this was a bug in the driver 
https://sourceforge.net/tracker/?func=detail&atid=525124&aid=2996451&group_id=69596
Fixed in xf86-input-wacom-0.10.6-30-g49d7635

Cheers,
  Peter