Touch jump detected and discarded Dell 7470
Summary
Steps to reproduce
**Login into xfce session on OpenSuse tumbleweed and move cursor from one location to the other.
Sometimes in the log i see :**
"tail -f /var/log/Xorg.0.log
[ 535.700] (EE) event1 - AlpsPS/2 ALPS GlidePoint: kernel bug: Touch jump detected and discarded.
See https://wayland.freedesktop.org/libinput/doc/1.15.3/touchpad-jumping-cursors.html for details
[ 585.148] (EE) event1 - AlpsPS/2 ALPS GlidePoint: kernel bug: Touch jump detected and discarded.
See https://wayland.freedesktop.org/libinput/doc/1.15.3/touchpad-jumping-cursors.html for details
[ 616.473] (EE) event1 - AlpsPS/2 ALPS GlidePoint: kernel bug: Touch jump detected and discarded.
See https://wayland.freedesktop.org/libinput/doc/1.15.3/touchpad-jumping-cursors.html for details
[ 633.127] (EE) event1 - AlpsPS/2 ALPS GlidePoint: kernel bug: Touch jump detected and discarded.
See https://wayland.freedesktop.org/libinput/doc/1.15.3/touchpad-jumping-cursors.html for details"
Required information
- libinput version: rpm -q libinput10 libinput10-1.15.3-1.1.x86_64
- hardware information: Dell Latitude 7470 The touchpad has separate physical hardware buttons.
-
libinput record
output: touchpad.yml -
libinput debug-events --verbose
output: debug.txt
**sudo libinput debug-events --verbose**
event1 POINTER_MOTION +12.211s -69.07/ 7.60 (-109.00/+12.00)
event1 POINTER_MOTION +12.224s -59.03/ 5.37 (-99.00/ +9.00)
event1 POINTER_MOTION +12.237s -73.01/ 5.03 (-116.00/ +8.00)
event1 POINTER_MOTION +12.250s -75.23/ 6.05 (-112.00/ +9.00)
event1 POINTER_MOTION +12.262s -50.68/ 4.56 (-89.00/ +8.00)
event1 POINTER_MOTION +12.275s -39.43/ 0.00 (-83.00/ +0.00)
Axis 0x35 value 8191 is outside expected range [-147, 3091]
See https://wayland.freedesktop.org/libinput/doc/1.15.3/absolute_coordinate_ranges.html for details
event1 - AlpsPS/2 ALPS GlidePoint: kernel bug: Touch jump detected and discarded.
See https://wayland.freedesktop.org/libinput/doc/1.15.3/touchpad-jumping-cursors.html for details
event1 - button state: touch 0 from BUTTON_STATE_AREA event BUTTON_EVENT_UP to BUTTON_STATE_NONE
event1 - palm: touch 0, palm detected (edge)
event1 - button state: touch 0 from BUTTON_STATE_NONE event BUTTON_EVENT_IN_AREA to BUTTON_STATE_AREA
event1 - button state: touch 0 from BUTTON_STATE_AREA event BUTTON_EVENT_UP to BUTTON_STATE_NONE
event1 - palm: touch 0, palm detected (edge)
event1 - button state: touch 0 from BUTTON_STATE_NONE event BUTTON_EVENT_IN_AREA to BUTTON_STATE_AREA
event1 - button state: touch 0 from BUTTON_STATE_AREA event BUTTON_EVENT_UP to BUTTON_STATE_NONE
event1 - button state: touch 0 from BUTTON_STATE_NONE event BUTTON_EVENT_IN_AREA to BUTTON_STATE_AREA
event1 POINTER_MOTION +13.953s -3.95/ 0.00 (-11.00/ +0.00)
event1 POINTER_MOTION +13.966s -6.79/ 0.00 (-20.00/ +0.00)
event1 POINTER_MOTION +13.978s -11.21/ 8.49 (-33.00/+25.00)
event1 POINTER_MOTION +13.991s -10.53/ 7.81 (-31.00/+23.00)
event1 POINTER_MOTION +14.004s -11.55/ 10.19 (-34.00/+30.00)
event1 POINTER_MOTION +14.016s -11.21/ 10.19 (-33.00/+30.00)
**sudo libinput record**
Available devices:
/dev/input/event0: AT Translated Set 2 keyboard
/dev/input/event1: AlpsPS/2 ALPS GlidePoint
/dev/input/event2: Video Bus
/dev/input/event3: Lid Switch
/dev/input/event4: Power Button
/dev/input/event5: Sleep Button
/dev/input/event6: Power Button
/dev/input/event7: DELL Wireless hotkeys
/dev/input/event8: PC Speaker
/dev/input/event9: Dell WMI hotkeys
/dev/input/event10: HDA Digital PCBeep
/dev/input/event11: HDA Intel PCH Headphone Mic
/dev/input/event12: HDA Intel PCH Dock Mic
/dev/input/event13: HDA Intel PCH Dock Line Out
/dev/input/event14: HDA Intel PCH HDMI/DP,pcm=3
/dev/input/event15: HDA Intel PCH HDMI/DP,pcm=7
/dev/input/event16: HDA Intel PCH HDMI/DP,pcm=8
/dev/input/event17: HDA Intel PCH HDMI/DP,pcm=9
/dev/input/event18: HDA Intel PCH HDMI/DP,pcm=10
/dev/input/event19: Integrated_Webcam_HD: Integrate
**sudo udevadm info /sys/class/input/event1**
P: /devices/platform/i8042/serio1/input/input2/event1
N: input/event1
L: 0
S: input/by-path/platform-i8042-serio-1-event-mouse
E: DEVPATH=/devices/platform/i8042/serio1/input/input2/event1
E: DEVNAME=/dev/input/event1
E: MAJOR=13
E: MINOR=65
E: SUBSYSTEM=input
E: USEC_INITIALIZED=5667892
E: ID_INPUT=1
E: ID_INPUT_TOUCHPAD=1
E: ID_INPUT_WIDTH_MM=94
E: ID_INPUT_HEIGHT_MM=49
E: ID_BUS=i8042
E: ID_SERIAL=noserial
E: ID_PATH=platform-i8042-serio-1
E: ID_PATH_TAG=platform-i8042-serio-1
E: ID_INPUT_TOUCHPAD_INTEGRATION=internal
E: LIBINPUT_DEVICE_GROUP=11/2/8:isa0060/serio1
E: DEVLINKS=/dev/input/by-path/platform-i8042-serio-1-event-mouse
**sudo cat /sys/class/dmi/id/modalias**
dmi:bvnDellInc.:bvr1.21.6:bd05/20/2019:svnDellInc.:pnLatitudeE7470:pvr:rvnDellInc.:rn0T6HHJ:rvrA00:cvnDellInc.:ct9:cvr:
Edited by Peter Hutterer