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[Bug 736500] Re: very jumpy cursor with wacom-dkms

To: ubuntu-x-swat@xxxxxxxxxxxxxxxxxxx
From: Timo Kluck <736500@xxxxxxxxxxxxxxxxxx>
Date: Wed, 23 Mar 2011 11:31:22 -0000
Reply-to: Bug 736500 <736500@xxxxxxxxxxxxxxxxxx>
Sender: bounces@xxxxxxxxxxxxx

Here's an xinput test recording. What strikes me as odd is that there
are motion events with only an a[0] coordinate, and no a[1] coordinate.
This seems related.

As far as I can interpret the wacom-pen2.record, it also seems odd that
an x-axis event is not always followed by a y-axis event, like here:

# three axes:
E: 1300806474.170028 0003 0000 10634
E: 1300806474.170034 0003 0001 7989
E: 1300806474.170035 0003 0018 96
E: 1300806474.170037 0000 0000 0
# three axes:
E: 1300806474.178061 0003 0000 10649
E: 1300806474.178069 0003 0001 7988
E: 1300806474.178070 0003 0018 95
E: 1300806474.178072 0000 0000 0
# what is happening here?
E: 1300806474.186009 0003 0000 10666
E: 1300806474.186026 0000 0000 0
E: 1300806474.194010 0003 0000 10683
E: 1300806474.194028 0000 0000 0


** Attachment added: "wacom-pen-xinput-test.record"
   https://bugs.launchpad.net/utouch/+bug/736500/+attachment/1932883/+files/wacom-pen-xinput-test.record

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

Title:
  very jumpy cursor with wacom-dkms