Rashi, thank you for reporting this and helping make Ubuntu better.
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In my case I want to disable the touchpad completely :)
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https://bugs.launchpad.net/bugs/1694225
Title:
[Thinkpad T450s] Click lock effect on
Hi James,
Seems that command solves the issue but there is a drawback, it disables
the touchpad completely. Even "Enable Touchpad" option in the mouse &
touchpad GUI setting and xinput set-prop "Device Enabled" command won't
work.
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I'm not sure why but a workaround is to run:
sudo rmmod psmouse && sudo modprobe psmouse proto=imps
Then the touchpad gets recognized as:
I: Bus=0011 Vendor=0002 Product=0001 Version=
N: Name="PS/2 Synaptics TouchPad"
P: Phys=isa0060/serio1/input0
S:
Here is what I'm seeing in dmesg:
[2.827809] psmouse serio1: synaptics: queried max coordinates: x [..5676], y
[..4758]
[2.859072] psmouse serio1: synaptics: queried min coordinates: x [1266..], y
[1096..]
[2.920584] psmouse serio1: synaptics: Touchpad model: 1, fw: 8.2, id: 0x1e2b
^Probably your laptop has Elan trackpad? It seems the fedora patch only
works for Synaptics trackpad.
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Title:
I tried the latest Fedora Rawhide and still had this issue. So perhaps
there was some other way you fully disabled the touchpad?
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I just upgraded the kernel to 4.12.2, the issue is not fixed yet. I
guess the fedora fix is not backported to kernel's mainline release.
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@anders:
Have you tried the kernel 4.12 on fedora?
If you still see the issue on fedora, I think the kernel v4.12 fix from
redhat/fedora only solves issue in synaptics trackpad (my T450s uses
synaptics trackpad so it works on my side).
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I have the same problem on a ThinkPad Yoga 14 20FY. I can reproduce it
with the touchpad disabled as described in this report. However, I find
it much easier to reproduce (nearly 100% of the time) with the touchpad
enabled, as follows:
1. With my left finger, hold down the trackpoint’s left
Status changed to 'Confirmed' because the bug affects multiple users.
** Changed in: xserver-xorg-input-synaptics (Ubuntu)
Status: New => Confirmed
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Found out it's kernel issue:
https://bugzilla.redhat.com/show_bug.cgi?id=1313939#c86
Kernel v4.12 would fix the issue. I hope ubuntu will get the kernel fix
too.
** Bug watch added: Red Hat Bugzilla #1313939
https://bugzilla.redhat.com/show_bug.cgi?id=1313939
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