Regardless, this bug is closed. If you have any new problems with
xserver-xorg-input-synaptics installed then please open a new bug by
running:
ubuntu-bug xserver-xorg-input-synaptics
Otherwise please run:
ubuntu-bug libinput
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Actually my issue is much closer to bug 1791427 (comment #62).
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Title:
Touchpads are unresponsive and laggy for small finger movements
I see a much worse version of this problem on my brand new ThinkPad X1
Carbon 6th gen: the mouse cursor moves/clicks only about 5% of the time
I use the touchpad. The Trackpoint doesn't work at all. Installing
Ubuntu was a keyboard-only affair, and I hoped that some updates would
fix this
** Changed in: libinput
Status: Confirmed => Fix Released
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Title:
Touchpads are unresponsive and laggy for small finger
Yes, upstream reopened this bug because it regressed. I'm not sure how
we want to handle that in Launchpad.
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Title:
Touchpads are
** Changed in: libinput
Status: Fix Released => Confirmed
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Title:
Touchpads are unresponsive and laggy for small finger
This bug was fixed in the package libinput - 1.9.4-2ubuntu1
---
libinput (1.9.4-2ubuntu1) bionic; urgency=medium
* Restore and refresh fix-lp1696929.patch to fix unresponsive/laggy touchpad
behaviour caused by inappropriate use of software hysteresis (LP: #1696929)
This
** Changed in: libinput (Ubuntu Bionic)
Status: In Progress => Fix Committed
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Title:
Touchpads are unresponsive and laggy for
uploaded, stuck in the queue like everything else
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Title:
Touchpads are unresponsive and laggy for small finger movements
To manage
A fresh fix for bionic, that should satisfy everyone now.
** Patch added: "libinput_1.9.4-2ubuntu1.debdiff"
https://bugs.launchpad.net/ubuntu/+source/libinput/+bug/1696929/+attachment/5040905/+files/libinput_1.9.4-2ubuntu1.debdiff
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** Description changed:
Some laptop touchpads are annoyingly unresponsive when the software
implements any kind of hysteresis. This is a regression caused by the
introduction of libinput, visible on at least Lenovo X1 Carbon gen 4 and
5, Dell XPS 13, and Apple Macbook Air.
WORKAROUND
Actually we don't need to ignore it. We can release the fixes for the
regression. The fixes are:
1. libinput:
https://lists.freedesktop.org/archives/wayland-devel/2018-January/036475.html
(not landed yet)
2. kernel: https://bugs.freedesktop.org/show_bug.cgi?id=104533 (not tested yet)
James
I don't understand how we can ignore a well known regression? If there's
a kernel patch as a result then surely we'll want it in bionic?
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Actually we may be blocked waiting to see if the first fix for James'
issue lands:
https://lists.freedesktop.org/archives/wayland-
devel/2018-January/036475.html
We should include that if it does.
The second fix for James' issue we can ignore providing it stays a
kernel problem:
** Summary changed:
- Touchpads are unresponsive and laggy
+ Touchpads are unresponsive and laggy for small finger movements
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Title:
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