ubuntu-x-swat team mailing list archive

[Chase Douglas <chase.douglas@xxxxxxxxxxxxx>]

Timo,

For some reason, I can now reproduce the bug. What I have verified is
that the XInput 1.x events look to be generated properly. However, they
are likely only now being sent without all the valuators set in every
input event. This is a change in the X server 1.10. The protocol has
always said this was a possibility, but it never actually did this until
now.

I haven't read all the code for this yet, but I will review your patch
as a starting point. If I had to guess, I'd say the bug lies in the gtk+
xinput 1.x code. I was only able to reproduce the issue in gimp when I
set the preferences for the wacom device so that it would be used in
windowed mode. I have also been able to confirm the bug in xournal when
using XInput (and possibly also when not discarding core pointer
events).

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https://bugs.launchpad.net/bugs/736500

Title:
  very jumpy cursor with wacom-dkms