[Wayland-bugs] [Bug 96308] tochpad jumping cursor

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=96308

--- Comment #6 from Benjamin Tissoires <benjamin.tissoires at gmail.com> ---
(In reply to Peter Hutterer from comment #5)
> wow, this is really messed up. Can you try a newer kernel please (grab one
> from F24). Looks familiar though, Benjamin, didn't we have a bug at some
> point where the ABS_MT_SLOT events where missing? this one looks exactly
> like that:

Hmm, not sure of which bug you are talking about, but this has been common in
the early days of hid-multitouch when the protocol was still uncertain.

Daniele, please attach a dmesg and a hid-recorder output (package hid-replay in
Fedora, run with "sudo hid-recorder"). In the hid recorder output, I'd like you
to you to follow this procedure (whether the touchpad is working or not under
X/wayland):
- single finger touch/release
- wait few secs
- one finger down, second finger down, first finger release, second finger
release
- wait few secs
- then as put and move many fingers possible on the sensor (usually 10, but
those small touchpads might be limited to 5 fingers, no need to call all your
friends to stick too many fingers on the touchpad :-P )

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