[Wayland-bugs] [Bug 93948] Pointer doesn't move on rare occasions

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=93948

--- Comment #2 from Cyril B. <lagoon42 at gmail.com> ---
I have caught 4 more occurrences of the bug, and each time, there's no 'finger
up' event. However, the previous finger down isn't always in the palm area.
Here are 2 excerpts of the bug:

E: 21.602669 0003 0039 -001     # EV_ABS / ABS_MT_TRACKING_ID   -1
E: 21.602669 0003 002f 0001     # EV_ABS / ABS_MT_SLOT          1
E: 21.602669 0003 0039 -001     # EV_ABS / ABS_MT_TRACKING_ID   -1
E: 21.602669 0001 014a 0000     # EV_KEY / BTN_TOUCH            0
E: 21.602669 0001 014d 0000     # EV_KEY / BTN_TOOL_DOUBLETAP   0
E: 21.602669 0000 0000 0000     # ------------ SYN_REPORT (0) ---------- +26ms
E: 40.659982 0003 002f 0000     # EV_ABS / ABS_MT_SLOT          0
E: 40.659982 0003 0039 12413    # EV_ABS / ABS_MT_TRACKING_ID   12413
E: 40.659982 0003 0035 0020     # EV_ABS / ABS_MT_POSITION_X    20
E: 40.659982 0003 0036 0471     # EV_ABS / ABS_MT_POSITION_Y    471
E: 40.659982 0001 014a 0001     # EV_KEY / BTN_TOUCH            1
E: 40.659982 0001 0145 0001     # EV_KEY / BTN_TOOL_FINGER      1
E: 40.659982 0003 0000 0020     # EV_ABS / ABS_X                20
E: 40.659982 0003 0001 0471     # EV_ABS / ABS_Y                471
E: 40.659982 0000 0000 0000     # ------------ SYN_REPORT (0) ----------
+19057ms
E: 165.969897 0003 0035 0745    # EV_ABS / ABS_MT_POSITION_X    745
E: 165.969897 0003 0036 0360    # EV_ABS / ABS_MT_POSITION_Y    360
E: 165.969897 0003 0000 0745    # EV_ABS / ABS_X                745
E: 165.969897 0003 0001 0360    # EV_ABS / ABS_Y                360
E: 165.969897 0000 0000 0000    # ------------ SYN_REPORT (0) ----------
+125310ms

and:

E: 93.906453 0003 0039 -001     # EV_ABS / ABS_MT_TRACKING_ID   -1
E: 93.906453 0001 014a 0000     # EV_KEY / BTN_TOUCH            0
E: 93.906453 0001 0145 0000     # EV_KEY / BTN_TOOL_FINGER      0
E: 93.906453 0000 0000 0000     # ------------ SYN_REPORT (0) ---------- +47ms
E: 110.826926 0003 0039 11856   # EV_ABS / ABS_MT_TRACKING_ID   11856
E: 110.826926 0003 0035 0000    # EV_ABS / ABS_MT_POSITION_X    0
E: 110.826926 0003 0036 0491    # EV_ABS / ABS_MT_POSITION_Y    491
E: 110.826926 0001 014a 0001    # EV_KEY / BTN_TOUCH            1
E: 110.826926 0001 0145 0001    # EV_KEY / BTN_TOOL_FINGER      1
E: 110.826926 0003 0000 0000    # EV_ABS / ABS_X                0
E: 110.826926 0003 0001 0491    # EV_ABS / ABS_Y                491
E: 110.826926 0000 0000 0000    # ------------ SYN_REPORT (0) ----------
+16920ms
E: 135.413510 0003 0035 0749    # EV_ABS / ABS_MT_POSITION_X    749
E: 135.413510 0003 0036 0278    # EV_ABS / ABS_MT_POSITION_Y    278
E: 135.413510 0003 0000 0749    # EV_ABS / ABS_X                749
E: 135.413510 0003 0001 0278    # EV_ABS / ABS_Y                278
E: 135.413510 0000 0000 0000    # ------------ SYN_REPORT (0) ----------
+24587ms

Do you know if I have a way to find out if it's a kernel issue rather than a
hardware bug?

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