On 3/26/06, Dave M G <[EMAIL PROTECTED]> wrote:
> Andy,
>
> Thank you for replying.
>
> I dutifully followed all your instructions. One difference was that I
> don't seem to have a /usr/lib/modules/input/ directory. But I do have a
> /usr/X11R6/lib/modules/input/ directory, which seems to be equivalent
> according to the linuxwacom web site.

Yeah, Gentoo eliminated /usr/X11R6 in favor of /usr, but I guess Ubuntu hasn't.

> I did also use Synaptic to install wacom-tools as well as follow your
> instructions, hoping that would doubly ensure my chances of making it work.

http://packages.ubuntu.com/dapper/utils/wacom-tools

It turns out that currently it is a somewhat-old version (0.6.6), so
you may need a more recent version.

> Nonetheless, after all that, I don't seem to have any Wacom device:

> Section "InputDevice"
>   Driver        "wacom"
>   Identifier    "stylus"
>   Option        "Device"        "/dev/input/event0"   # USB ONLY
>   Option        "Type"          "stylus"
>   Option        "USB"           "on"                  # USB ONLY
> EndSection

Your Wacom tablet won't necessariliy show up as /dev/input/event0. On
my system it happens to come up as /dev/input/event3, with a symbolic
link wacom -> event3 (due to the udev rule I gave previously). You may
want to inspect /proc/bus/usb/devices. On my system:

T:  Bus=02 Lev=02 Prnt=03 Port=00 Cnt=01 Dev#=  4 Spd=1.5 MxCh= 0
D:  Ver= 1.10 Cls=00(>ifc ) Sub=00 Prot=00 MxPS= 8 #Cfgs=  1
P:  Vendor=056a ProdID=0015 Rev= 4.03
S:  Manufacturer=WACOM
S:  Product=CTE-440-U V4.0-3
C:* #Ifs= 1 Cfg#= 1 Atr=80 MxPwr= 40mA
I:  If#= 0 Alt= 0 #EPs= 1 Cls=03(HID  ) Sub=01 Prot=02 Driver=wacom
E:  Ad=81(I) Atr=03(Int.) MxPS=   8 Ivl=10ms

I have a Graphire4, so the ProdID and/or Rev may be different (I seem
to remember you said you had a Graphire3), but if you don't see
Driver=wacom, something is wrong.

If you look at /proc/bus/input/devices, you should see something like this:

I: Bus=0003 Vendor=056a Product=0015 Version=0403
N: Name="Wacom Graphire4 4x5"
P: Phys=
S: Sysfs=/class/input/input3
H: Handlers=mouse1 event3
B: EV=1f
B: KEY=1c63 700ff 0 0 0 0
B: REL=100
B: ABS=3000003
B: MSC=1

Note that it has mouse1 and event3 for Handlers. If you see something
other than event0 (which is what your config has), that's probably why
it doesn't work.

Other things that may be given input event devices:

* USB keyboard (maybe even non-USB)
* PC Speaker
* other mice

This is why the udev rule:

KERNEL="event*", SYSFS{idVendor}="056a", NAME="input/%k",
SYMLINK="input/wacom%e"

really helps, since it eliminates the guesswork of what event device
to use. But remember to update your xorg.conf to use it.
--
The Pythonic Principle: Python works the way it does
because if it didn't, it wouldn't be Python.


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