trackpad issues in Ubuntu 18.04? (NOT new click behavior)

[Wade Smart]

I have a Thinkpad that I upgraded to 18.x and the only thing
Ive seen trackpad related (so far) is its twitchy. Maybe the
change is hardware related? But Ill be checking that on my
other laptop when I upgrade.

Wade
-- 
Registered Linux User: #480675
Registered Linux Machine: #408606
Linux since June 2005


On Tue, Jun 5, 2018 at 4:38 PM, Paul Smith <paul at mad-scientist.net> wrote:
> No one responded to this, but eventually I got annoyed enough to bang
> at for a while (I actually don't use this laptop very often or it would
> have been a LOT sooner).
>
> It ended up that even though I upgraded from Ubuntu 17.10 which was set
> to use GNOME on Xorg, when I upgraded to 18.04 it apparently switched
> me to GNOME on Wayland.  Which is odd because I thought that Wayland
> wasn't on by default in 18.04 anyway.
>
> Once I switched back to GNOME on Xorg, the trackpad works properly
> again.
>
>
> On Fri, 2018-05-11 at 07:52 -0400, Paul Smith wrote:
>> I upgraded my Macbook Pro II from Ubuntu 17.10 to 18.04 (not reload
>> from scratch). This is a native install of Ubuntu (dual boot with
>> MacOS). Ubuntu 17.10 had no issues at all. For 18.04 things seem
>> mostly fine except for one fairly infuriating problem: my trackpad
>> now "freezes" while I'm dragging it.
>>
>> If I move the cursor around (dragging with one finger) at some point
>> (sometimes almost immediately, sometimes after a few seconds) it will
>> freeze in place and won't move anymore, until I pick up my finger and
>> put it back down again. That's annoying enough, but when I'm trying
>> to drag-select text this just unworkable: it often fails to get
>> through the entire drag-selection without freezing and I have to
>> start over.
>>
>> Note I have always been using the Mac-style trackpad and this is not
>> (as far as I can tell) related to the new change regarding mouse
>> click areas. This happens when I'm not clicking, just moving the
>> cursor.
>>
>> It also _feels_ like sometimes keyboard holds are freezing as well;
>> for example if I'm holding down CTRL-ALT and using arrow keys to move
>> between desktops I think sometimes I lose keyboard inputs. This I'm
>> not sure about though, it doesn't happen often enough. It could just
>> be I chorded the keys wrong or something. The trackpad issue is
>> absolutely real and easily reproducible.
>>
>> I've kind of lost track of what packages are involved here and I've
>> searched for similar issues but found nothing. Also I see nothing of
>> interest in journalctl output etc. If anyone has ideas or pointers
>> I'm interested.
>>
>
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