[Wayland-bugs] [Bug 97347] exclusion zones don't exist? Palms move cursor from sides

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=97347

            Bug ID: 97347
           Summary: exclusion zones don't exist? Palms move cursor from
                    sides
           Product: Wayland
           Version: 1.2.x
          Hardware: Other
                OS: All
            Status: NEW
          Severity: normal
          Priority: medium
         Component: libinput
          Assignee: wayland-bugs at lists.freedesktop.org
          Reporter: pauljohn at ku.edu

Created attachment 125784
  --> https://bugs.freedesktop.org/attachment.cgi?id=125784&action=edit
left palm brushes touchpad

Ubuntu Linux 16.04. 

There appears to be no palm detection as described in the exclusion zones
document
(https://wayland.freedesktop.org/libinput/doc/latest/palm_detection.html).  I'm
attaching evemu-record output when brushing touchpad from outer edge with palm.
 I've tested quite a few different kernels, the result does not change much.

Many other touchpad features work fine.  I can move the cursor smoothly, tap to
click is fine, middle click emulation is good.  Disable while typing works as
expected, except that the instant I pause, the cursor flies somewhere else and
I type in the wrong spot.  I don't get dependable result from the three-finger
tap. About 1 time in 10 I can get three-tap to trigger a middle event. However,
 a two-finger tap does work as a right click very dependably.  I fairly often
have the problem that the cursor flies to an outer edge at the instant I left
click. I cannot tell if that is linked to palm detection, but I guess yes. 

This may be irrelevant to you, but I notice some trouble in the event recording
playback. When I brush touchpad with palm, cursor moves inches on the screen,
but when I do the playback, the cursor moves only 10% as much. 

I tried pretty hard to get the info you ask for. I hope this is it!

Device: Dell Precision 5510

dmi:bvnDellInc.:bvr01.02.10:bd06/30/2016:svnDellInc.:pnPrecision5510:pvr:rvnDellInc.:rn0N8J4R:rvrA01:cvnDellInc.:ct9:cvr:


touchpad dimensions

 width   104.8
 height  79.4


Ubuntu Linux libinput 1.2.3

kernel

$ uname -a
Linux delllap-16 4.4.0-35-generic #54-Ubuntu SMP Tue Aug 9 17:03:04 UTC 2016
x86_64 x86_64 x86_64 GNU/Linux

The part from:

$ cat /proc/bus/input/devices

I: Bus=0011 Vendor=0002 Product=0007 Version=01b1
N: Name="SynPS/2 Synaptics TouchPad"
P: Phys=isa0060/serio1/input0
S: Sysfs=/devices/platform/i8042/serio1/input/input6
U: Uniq=
H: Handlers=mouse0 event7
B: PROP=5
B: EV=b
B: KEY=e520 10000 0 0 0 0
B: ABS=660800011000003

The xinput list-props output.

Device 'SynPS/2 Synaptics TouchPad':
        Device Enabled (139):   1
        Coordinate Transformation Matrix (141): 1.000000, 0.000000, 0.000000,
0.000000, 1.000000, 0.000000, 0.000000, 0.000000, 1.000000
        libinput Tapping Enabled (273): 1
        libinput Tapping Enabled Default (274): 0
        libinput Tapping Drag Enabled (275):    1
        libinput Tapping Drag Enabled Default (276):    1
        libinput Tapping Drag Lock Enabled (277):       0
        libinput Tapping Drag Lock Enabled Default (278):       0
        libinput Accel Speed (279):     0.000000
        libinput Accel Speed Default (280):     0.000000
        libinput Natural Scrolling Enabled (281):       0
        libinput Natural Scrolling Enabled Default (282):       0
        libinput Send Events Modes Available (257):     1, 1
        libinput Send Events Mode Enabled (258):        0, 0
        libinput Send Events Mode Enabled Default (259):        0, 0
        libinput Left Handed Enabled (283):     0
        libinput Left Handed Enabled Default (284):     0
        libinput Scroll Methods Available (285):        1, 1, 0
        libinput Scroll Method Enabled (286):   1, 0, 0
        libinput Scroll Method Enabled Default (287):   1, 0, 0
        libinput Click Methods Available (288): 1, 1
        libinput Click Method Enabled (289):    1, 0
        libinput Click Method Enabled Default (290):    1, 0
        libinput Disable While Typing Enabled (291):    1
        libinput Disable While Typing Enabled Default (292):    1
        Device Node (260):      "/dev/input/event7"
        Device Product ID (261):        2, 7
        libinput Drag Lock Buttons (293):       <no items>
        libinput Horizonal Scroll Enabled (262):        1

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