Created attachment 125815 [details] evemu-record data Hello, Based on the details mentioned in https://wayland.freedesktop.org/libinput/doc/1.4.0/reporting_bugs.html I'm filing this bug. I hope it is good information and a valid bug. I have verified the evemu recorded data with evemu-play. So I've attached it with this bug report. This is a Debian box. Most stuff work. rrs@learner:~/.rrs-home/Community/libinput-gestures (non-system-wide)$ dpkg -l | grep libinput ii libinput-bin 1.4.0-1 amd64 input device management and event handling library - udev quirks ii libinput-tools 1.4.0-1 amd64 input device management and event handling library - command line tools ii libinput10:amd64 1.4.0-1 amd64 input device management and event handling library - shared library ii xserver-xorg-input-libinput 0.19.0-1 amd64 X.Org X server -- libinput input driver ii xserver-xorg-input-libinput-dbg 0.19.0-1 amd64 X.Org X server -- libinput input driver (debug symbols) 2016-08-16 / 17:47:05 ♒♒♒ ☺ rrs@learner:~/.rrs-home/Community/libinput-gestures (non-system-wide)$ xinput list-props "SynPS/2 Synaptics TouchPad" Device 'SynPS/2 Synaptics TouchPad': Device Enabled (137): 1 Coordinate Transformation Matrix (139): 1.000000, 0.000000, 0.000000, 0.000000, 1.000000, 0.000000, 0.000000, 0.000000, 1.000000 libinput Tapping Enabled (277): 1 libinput Tapping Enabled Default (278): 0 libinput Tapping Drag Enabled (279): 1 libinput Tapping Drag Enabled Default (280): 1 libinput Tapping Drag Lock Enabled (281): 0 libinput Tapping Drag Lock Enabled Default (282): 0 libinput Accel Speed (283): 0.000000 libinput Accel Speed Default (284): 0.000000 libinput Natural Scrolling Enabled (285): 1 libinput Natural Scrolling Enabled Default (286): 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 (287): 0 libinput Left Handed Enabled Default (288): 0 libinput Scroll Methods Available (289): 1, 1, 0 libinput Scroll Method Enabled (290): 1, 0, 0 libinput Scroll Method Enabled Default (291): 1, 0, 0 libinput Click Methods Available (292): 1, 1 libinput Click Method Enabled (293): 1, 0 libinput Click Method Enabled Default (294): 1, 0 libinput Middle Emulation Enabled (295): 0 libinput Middle Emulation Enabled Default (296): 0 libinput Disable While Typing Enabled (297): 1 libinput Disable While Typing Enabled Default (298): 1 Device Node (260): "/dev/input/event5" Device Product ID (261): 2, 7 libinput Drag Lock Buttons (299): <no items> libinput Horizonal Scroll Enabled (262): 1 2016-08-16 / 17:51:37 ♒♒♒ ☺ Vendor/Model: Lenovo Yoga 2 13 rrs@learner:~/.rrs-home/Community/libinput-gestures (non-system-wide)$ cat /sys/class/dmi/id/modalias dmi:bvnLENOVO:bvr96CN31WW(V1.17):bd07/21/2015:svnLENOVO:pn20344:pvrLenovoYoga213:rvnLENOVO:rnINVALID:rvr31900059WIN:cvnLENOVO:ct10:cvrLenovoYoga213: 2016-08-16 / 17:52:21 ♒♒♒ ☺ libinput-list-devices reports: Device: SynPS/2 Synaptics TouchPad Kernel: /dev/input/event5 Group: 8 Seat: seat0, default Size: 87.45x58.16mm Capabilities: pointer Tap-to-click: disabled Tap-and-drag: enabled Tap drag lock: disabled Left-handed: disabled Nat.scrolling: disabled Middle emulation: disabled Calibration: n/a Scroll methods: *two-finger edge Click methods: *button-areas clickfinger Disable-w-typing: enabled Accel profiles: none Rotation: n/a
can you attach your dmesg please. something isn't right here, Benjamin? E: 13.573759 0003 002f 0000 # EV_ABS / ABS_MT_SLOT 0 E: 13.573759 0003 0035 4057 # EV_ABS / ABS_MT_POSITION_X 4057 E: 13.573759 0003 0036 2047 # EV_ABS / ABS_MT_POSITION_Y 2047 E: 13.573759 0003 003a 0046 # EV_ABS / ABS_MT_PRESSURE 46 E: 13.573759 0003 0035 4816 # EV_ABS / ABS_MT_POSITION_X 4816 E: 13.573759 0003 0036 2244 # EV_ABS / ABS_MT_POSITION_Y 2244 E: 13.573759 0003 003a 0040 # EV_ABS / ABS_MT_PRESSURE 40 E: 13.573759 0003 002f 0001 # EV_ABS / ABS_MT_SLOT 1 E: 13.573759 0003 0039 -001 # EV_ABS / ABS_MT_TRACKING_ID -1 E: 13.573759 0003 0000 4816 # EV_ABS / ABS_X 4816 E: 13.573759 0003 0001 2244 # EV_ABS / ABS_Y 2244 E: 13.573759 0003 0018 0040 # EV_ABS / ABS_PRESSURE 40 E: 13.573759 0001 014e 0000 # EV_KEY / BTN_TOOL_TRIPLETAP 0 E: 13.573759 0001 014f 0001 # EV_KEY / BTN_TOOL_QUADTAP 1 E: 13.573759 0000 0000 0000 # ------------ SYN_REPORT (0) ----------
Created attachment 126239 [details] dmesg this boot
Can you try libinput 1.4.2 please (or 1.4.901 if you have it). That put extra bit in to avoid cursor jumps in exactly the case you're experiencing here.
(In reply to Peter Hutterer from comment #3) > Can you try libinput 1.4.2 please (or 1.4.901 if you have it). That put > extra bit in to avoid cursor jumps in exactly the case you're experiencing > here. hi peter, I'm still able to hit the bug with 1.4.2, though I'd say I was hitting it when quickly moving 2-3 fingers around, randomly. event5 POINTER_AXIS +89.70s vert -4.29* horiz 12.81* event5 POINTER_AXIS +89.72s vert -1.49* horiz 13.90* event5 POINTER_AXIS +89.74s vert 2.83* horiz 14.51* event5 POINTER_AXIS +89.76s vert 7.97* horiz 14.82* event5 POINTER_AXIS +89.77s vert 13.49* horiz 15.17* event5 POINTER_AXIS +89.79s vert 18.03* horiz 14.32* libinput error: kernel bug: Touch jump detected and discarded. See https://wayland.freedesktop.org/libinput/doc/1.4.2/touchpad_jumping_cursor.html for details event5 POINTER_AXIS +89.81s vert 18.54* horiz 12.04* event5 POINTER_AXIS +89.83s vert 12.99* horiz 7.57* event5 POINTER_AXIS +89.85s vert 5.14* horiz 2.47* libinput error: kernel bug: Touch jump detected and discarded. See https://wayland.freedesktop.org/libinput/doc/1.4.2/touchpad_jumping_cursor.html for details event5 POINTER_AXIS +89.87s vert -0.64* horiz -4.01* event5 POINTER_AXIS +89.89s vert -8.26* horiz -15.32* event5 POINTER_AXIS +89.91s vert -17.72* horiz -24.36* event5 POINTER_AXIS +89.92s vert -21.81* horiz -24.70* event5 POINTER_AXIS +89.94s vert -18.76* horiz -18.53* event5 POINTER_AXIS +89.96s vert -11.08* horiz -10.34* event5 POINTER_AXIS +89.98s vert -3.84* horiz -5.40* event5 POINTER_AXIS +90.00s vert 0.06* horiz -6.14* event5 POINTER_AXIS +90.14s vert -0.10* horiz 0.00 event5 POINTER_AXIS +90.16s vert -0.70* horiz 0.00 event5 POINTER_AXIS +90.20s vert -1.24* horiz 0.00 event5 POINTER_AXIS +90.22s vert -0.60* horiz 0.00 event5 POINTER_AXIS +90.52s vert 0.32* horiz 0.00 event5 POINTER_AXIS +90.55s vert 0.00* horiz 0.00* event5 GESTURE_PINCH_BEGIN +91.47s 3 event5 GESTURE_PINCH_UPDATE +91.47s 3 0.36/ 0.59 ( 0.77/ 1.27 unaccelerated) 1.00 @ 0.09 event5 GESTURE_PINCH_UPDATE +91.49s 3 0.08/ 0.00 ( 0.39/ 0.00 unaccelerated) 1.00 @ 0.04 event5 GESTURE_PINCH_UPDATE +91.53s 3 0.07/ 0.00 ( 0.39/ 0.00 unaccelerated) 1.00 @ 0.04 event5 GESTURE_PINCH_UPDATE +91.55s 3 0.06/ 0.00 ( 0.39/ 0.00 unaccelerated) 1.00 @ 0.04 event5 GESTURE_PINCH_UPDATE +91.57s 3 0.06/ 0.00 ( 0.39/ 0.00 unaccelerated) 1.00 @ 0.04 event5 GESTURE_PINCH_UPDATE +91.59s 3 2.02/ 0.00 ( 9.65/ 0.00 unaccelerated) 1.01 @ 0.99 event5 GESTURE_PINCH_UPDATE +91.61s 3 3.34/ 0.00 (10.81/ 0.00 unaccelerated) 1.03 @ 1.08 event5 GESTURE_PINCH_UPDATE +91.63s 3 4.39/ 3.11 (11.19/ 7.94 unaccelerated) 1.03 @ 1.61 event5 GESTURE_PINCH_UPDATE +91.65s 3 11.27/ 4.06 (28.18/10.16 unaccelerated) 1.03 @ 1.93 event5 GESTURE_PINCH_UPDATE +91.67s 3 5.80/ 5.67 (14.28/13.97 unaccelerated) 1.02 @ 2.39 event5 GESTURE_PINCH_UPDATE +91.69s 3 9.71/ 7.85 (22.00/17.78 unaccelerated) 1.03 @ 3.40 event5 GESTURE_PINCH_UPDATE +91.71s 3 14.33/ 8.73 (31.26/19.05 unaccelerated) 1.04 @ 3.96 event5 GESTURE_PINCH_UPDATE +91.73s 3 15.09/12.87 (31.26/26.67 unaccelerated) 1.03 @ 3.67 event5 GESTURE_PINCH_UPDATE +91.75s 3 12.36/14.61 (24.70/29.21 unaccelerated) 1.04 @ 4.62 event5 GESTURE_PINCH_UPDATE +91.77s 3 14.39/13.62 (28.18/26.67 unaccelerated) 1.07 @ 4.39 event5 GESTURE_PINCH_UPDATE +91.78s 3 11.96/13.77 (23.16/26.67 unaccelerated) 1.09 @ 3.99 event5 GESTURE_PINCH_UPDATE +91.80s 3 11.40/13.82 (22.00/26.67 unaccelerated) 1.11 @ 3.75 event5 GESTURE_PINCH_UPDATE +91.82s 3 11.45/14.54 (22.00/27.94 unaccelerated) 1.13 @ 3.72 event5 GESTURE_PINCH_UPDATE +91.84s 3 10.71/17.29 (20.46/33.02 unaccelerated) 1.16 @ 4.05 event5 GESTURE_PINCH_UPDATE +91.86s 3 13.06/18.13 (24.70/34.29 unaccelerated) 1.19 @ 4.02 event5 GESTURE_PINCH_UPDATE +91.88s 3 16.58/19.77 (30.88/36.83 unaccelerated) 1.22 @ 4.00 libinput error: kernel bug: Touch jump detected and discarded. See https://wayland.freedesktop.org/libinput/doc/1.4.2/touchpad_jumping_cursor.html for details event5 GESTURE_PINCH_UPDATE +91.90s 3 10.89/15.84 (20.07/29.21 unaccelerated) 1.26 @ 3.05 event5 GESTURE_PINCH_END +91.94s 3 event5 POINTER_MOTION +96.53s 0.00/ -0.06 event5 POINTER_MOTION +96.53s 0.00/ -0.92 event5 POINTER_MOTION +96.54s 0.00/ -5.44 rrs@learner:~$ libinput-list-devices --version 1.4.2 2016-09-09 / 23:28:53 ♒♒♒ ☺
Created attachment 126418 [details] evemu data 1.4.2
(In reply to Ritesh Raj Sarraf from comment #4) > I'm still able to hit the bug with 1.4.2, though I'd say I was hitting it > when quickly moving 2-3 fingers around, randomly. well, yes, that's expected :) the code is based on detecting an overly fast movement that usually indicates some jump in the tracking. You can force this to occur, but it wouldn't be normal interaction with the system. The main question is whether you still see this in normal use. also note that when the error message appears, it means libinput has detected the jump and discarded it, so you don't actually get a visible jump of the cursor. From how I read the original comment, you were getting actual jumps, not just the error message, right? at least the jumps should be gone now.
(In reply to Peter Hutterer from comment #6) > > also note that when the error message appears, it means libinput has > detected the jump and discarded it, so you don't actually get a visible jump > of the cursor. From how I read the original comment, you were getting actual > jumps, not just the error message, right? at least the jumps should be gone > now. Yes. ON 1.4.0, I was having this issue more frequent. I think with 1.4.1+ the jumps have reduced dramatically and my 2,3 and 4 finger swipes are working much much better. Thank you very much for the work. Never had touchpad (and gestures) worked so well. I'm marking this bug as fixed now.
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