Hello,

I have an X41-tablet which uses the linuxwacom serial drivers.  I am
running ubuntu edgy.  When I first boot the machine the tablet works
perfectly, but when I put the laptop to sleep the tablet no
longer functions.  If I re-start the Xserver the tablet works again.
Sleep is rather important for a laptop so I would like to get this to work.

I have configured my tablet using this guide: 
  http://www.thinkwiki.org/wiki/Installing_Ubuntu_6.10_on_a_ThinkPad_X41_Tablet
Including the step to run setserial in acpi/resume.d

I am writing here with my question because I think you know the order of
things which need to be run to get a wacom device running.  And perhaps I
can find the element which Ubuntu is not re-initialising properly when
returning from sleep.

Some things I have noticed.  There is no difference in 
  xidump --list 
Before the computer goes to sleep (when the stylus works) and after.
  xidump stylus 
Correctly reports events before, reports nothing after.
  wacdump -f tcp /dev/ttyS0
Reports junk Bit High etc. before and nothing after.
When the stylus does not work and I try 
  cat /dev/ttyS0
All mouse and keyboard is frozen, I cannot even Ctrl-Alt-Backspace to
restart the Xserver.

I have notices the same effects using the wacom_drv.o which comes in the
ubuntu package version 0.7.2 and with the pre-built driver wacom_drv.o
from: linuxwacom-0.7.6-4.tar.bz2

I hope that my description makes sense,
Thanks for your work getting wacom devices to work,

-- 
Marco


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