Bug#876198: libinput10: Can't initiate a touchpad motion near a corner
Control: tag -1 upstream
On Tue, Sep 19, 2017 at 03:51:50PM +0100, Tony Houghton wrote:
> Package: libinput10
> Version: 1.8.2-1
> Severity: normal
>
> When using GNOME on Wayland I can't move the pointer with the touchpad
> if I initially start touching it near a corner. Even if I drag my finger
> across the middle from the corner, the pointer doesn't move, and no
> events are shown in libinput-debug-events. If I do the opposite, ie
> start the motion near the middle of the touchpad, it continues to track
> my finger correctly if I move it into the corners.
>
> I only noticed this recently, so it's probably something in the most
> recent version to enter Debian. GNOME on Xorg is not affected; AIUI
> GNOME on Wayland uses libinput, and something else on Xorg, so I guessed
> this is the culprit package.
>
> The machine is a Lenovo Thinkpad Carbon X1 4th Generation. From
> libinput-list-devices:
>
> Device: SynPS/2 Synaptics TouchPad
> Kernel: /dev/input/event1
> Group: 8
> Seat: seat0, default
> Size: 100x57mm
> 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
>
Please report this upstream at
https://bugs.freedesktop.org/enter_bug.cgi?product=wayland&component=libinput
and let us know the bug number for tracking.
Thanks,
Andreas
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