https://bugs.freedesktop.org/show_bug.cgi?id=104828
--- Comment #51 from Peter Hutterer ---
It hasn't actually changed that much. The only changes since your patches
affect how the hysteresis works but not how it's enabled (well, and the fix
from 5883ac7d98614e735e44767f3fef0e2ca03ad1ee). It's no
https://bugs.freedesktop.org/show_bug.cgi?id=104828
--- Comment #50 from Hi-Angel ---
(In reply to Tomas Janousek from comment #46)
> It should be noted that this code enables hysteresis on my ThinkPad (T25)
> which previously didn't require any, making the touchpad unusable again. :-(
>
> Shall
https://bugs.freedesktop.org/show_bug.cgi?id=104828
--- Comment #49 from Daniel van Vugt ---
(In reply to Tomas Janousek from comment #46)
> It should be noted that this code enables hysteresis on my ThinkPad (T25)
> which previously didn't require any, making the touchpad unusable again. :-(
>
https://bugs.freedesktop.org/show_bug.cgi?id=104828
--- Comment #48 from Tomas Janousek ---
(In reply to Nate Graham from comment #47)
> See also Bug 105472. For me, it turned itself off again after a little bit.
> If that doesn't happen for you, it's probably worth a new bug.
But there's no cod
https://bugs.freedesktop.org/show_bug.cgi?id=104828
--- Comment #47 from Nate Graham ---
(In reply to Tomas Janousek from comment #46)
> It should be noted that this code enables hysteresis on my ThinkPad (T25)
> which previously didn't require any, making the touchpad unusable again. :-(
>
> Sh
https://bugs.freedesktop.org/show_bug.cgi?id=104828
--- Comment #46 from Tomas Janousek ---
It should be noted that this code enables hysteresis on my ThinkPad (T25) which
previously didn't require any, making the touchpad unusable again. :-(
Shall I open a new bug and attach what? libinput debu
https://bugs.freedesktop.org/show_bug.cgi?id=104828
Bug 104828 depends on bug 105108, which changed state.
Bug 105108 Summary: Lenovo Yoga 11S touchpad is jittery
https://bugs.freedesktop.org/show_bug.cgi?id=105108
What|Removed |Added
---
https://bugs.freedesktop.org/show_bug.cgi?id=104828
Bug 104828 depends on bug 105303, which changed state.
Bug 105303 Summary: Kernel absfuzz handling is inconsistent
https://bugs.freedesktop.org/show_bug.cgi?id=105303
What|Removed |Added
---
https://bugs.freedesktop.org/show_bug.cgi?id=104828
Peter Hutterer changed:
What|Removed |Added
CC||pavel.skle...@gmail.com
--- Comment #4
https://bugs.freedesktop.org/show_bug.cgi?id=104828
fthx changed:
What|Removed |Added
Resolution|--- |FIXED
Status|REOPENED
https://bugs.freedesktop.org/show_bug.cgi?id=104828
--- Comment #43 from fthx ---
I reopened it since :
https://bugs.launchpad.net/ubuntu/+source/libinput/+bug/1745816/comments/12
https://bugs.launchpad.net/ubuntu/+source/libinput/+bug/1745816/comments/14
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--- Comment #42 from Hi-Angel ---
(In reply to fthx from comment #40)
> ~$ sudo libinput debug-events --verbose | grep hyst
>
> event8 - hysteresis disabled
That "disabled" means you don't have the latest libinput (i.e. unreleased one,
from h
https://bugs.freedesktop.org/show_bug.cgi?id=104828
--- Comment #41 from fthx ---
E: 5.138171 # SYN_REPORT (0) -- +12ms
E: 5.150104 0003 0035 2155 # EV_ABS / ABS_MT_POSITION_X2155
E: 5.150104 0003 0036 1199 # EV_ABS / ABS_MT_POSITION_Y119
https://bugs.freedesktop.org/show_bug.cgi?id=104828
--- Comment #40 from fthx ---
~$ sudo libinput debug-events --verbose | grep hyst
event8 - hysteresis disabled
(after ~10 seconds and woobling)
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--- Comment #39 from Hi-Angel ---
(In reply to fthx from comment #38)
> My touchpad does still wooble.
> I tested only the Dell's one, I'll try the HP one.
Do you see any output of command
libinput debug-events --verbose | grep hyst
https://bugs.freedesktop.org/show_bug.cgi?id=104828
fthx changed:
What|Removed |Added
Resolution|FIXED |---
Status|RESOLVED
https://bugs.freedesktop.org/show_bug.cgi?id=104828
Bug 104828 depends on bug 105306, which changed state.
Bug 105306 Summary: Make touchpad hysteresis omnidirectional
https://bugs.freedesktop.org/show_bug.cgi?id=105306
What|Removed |Added
--
https://bugs.freedesktop.org/show_bug.cgi?id=104828
Peter Hutterer changed:
What|Removed |Added
Depends on||105306
--- Comment #37 from Peter Hutt
https://bugs.freedesktop.org/show_bug.cgi?id=104828
Peter Hutterer changed:
What|Removed |Added
Resolution|--- |FIXED
Status|NEEDINFO
https://bugs.freedesktop.org/show_bug.cgi?id=104828
Peter Hutterer changed:
What|Removed |Added
Depends on||105303
Referenced Bugs:
https://bugs
https://bugs.freedesktop.org/show_bug.cgi?id=104828
--- Comment #35 from Peter Hutterer ---
right, in that case what's likely is that we're hitting the issue noted in the
commit message. would be useful to add some printfs to make sure though. if
that's the case we'll have to throw out the idea o
https://bugs.freedesktop.org/show_bug.cgi?id=104828
--- Comment #34 from Hi-Angel ---
Created attachment 137631
--> https://bugs.freedesktop.org/attachment.cgi?id=137631&action=edit
wobble with the commit for hystersis to work across both axes
(In reply to Peter Hutterer from comment #33)
> Hi
https://bugs.freedesktop.org/show_bug.cgi?id=104828
Peter Hutterer changed:
What|Removed |Added
Status|ASSIGNED|NEEDINFO
--- Comment #33 from Peter Hu
https://bugs.freedesktop.org/show_bug.cgi?id=104828
Peter Hutterer changed:
What|Removed |Added
CC||reiter.christ...@gmail.com
--- Comment
https://bugs.freedesktop.org/show_bug.cgi?id=104828
--- Comment #31 from Hi-Angel ---
(In reply to Hi-Angel from comment #30)
> (In reply to Peter Hutterer from comment #29)
> > fwiw, there is a github branch listed in bug 105108 that's worth testing.
> >
> > as for improvements: either file a b
https://bugs.freedesktop.org/show_bug.cgi?id=104828
--- Comment #30 from Hi-Angel ---
(In reply to Peter Hutterer from comment #29)
> fwiw, there is a github branch listed in bug 105108 that's worth testing.
>
> as for improvements: either file a bug here or an RFC (and patch if
> possible) to t
https://bugs.freedesktop.org/show_bug.cgi?id=104828
--- Comment #29 from Peter Hutterer ---
fwiw, there is a github branch listed in bug 105108 that's worth testing.
as for improvements: either file a bug here or an RFC (and patch if possible)
to the wayland-devel lists.
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https://bugs.freedesktop.org/show_bug.cgi?id=104828
--- Comment #28 from Chris Koresko ---
FWIW I just ran into this jitter issue after upgrading libinput from
1.8.2-1.fc27 to 1.10.0-2.fc27 (on Fedora 27). Currently working around it by
rolling back to the earlier version and using 'dnf versionl
https://bugs.freedesktop.org/show_bug.cgi?id=104828
Peter Hutterer changed:
What|Removed |Added
CC||y...@masson-informatique.fr
--- Commen
https://bugs.freedesktop.org/show_bug.cgi?id=104828
Peter Hutterer changed:
What|Removed |Added
Depends on||105108
Referenced Bugs:
https://bugs
https://bugs.freedesktop.org/show_bug.cgi?id=104828
--- Comment #26 from Peter Hutterer ---
the xorg log shows up in the journal on most distros. but for development you
should run libinput debug-events, because in your case you don't care about the
exact pointer movement as such, but rather abou
https://bugs.freedesktop.org/show_bug.cgi?id=104828
--- Comment #25 from Hi-Angel ---
(In reply to Hi-Angel from comment #24)
> Ok, I sent the patchset to wayland-devel:
> https://lists.freedesktop.org/archives/wayland-devel/2018-February/037118.
> html
>
> Anyway, about the `t->point.x` — I sti
https://bugs.freedesktop.org/show_bug.cgi?id=104828
--- Comment #24 from Hi-Angel ---
Ok, I sent the patchset to wayland-devel:
https://lists.freedesktop.org/archives/wayland-devel/2018-February/037118.html
Anyway, about the `t->point.x` — I still don't know how to see stderr prints,
but I simpl
https://bugs.freedesktop.org/show_bug.cgi?id=104828
--- Comment #23 from Hi-Angel ---
(In reply to Hi-Angel from comment #21)
> Question for Peter: how can I figure whether current movement is left or
> right? I initially was going to use the `t->point.x`, like, "if it's
> negative, then I probab
https://bugs.freedesktop.org/show_bug.cgi?id=104828
--- Comment #22 from Ainola ---
I'm also experiencing the wobbles on my Precision e5570 touchpad (also reported
as an AlpsPS/2 ALPS Dualpoint touchpad). This is ever since libinput 1.10 was
pushed into archlinux's repos. Previous versions had no
https://bugs.freedesktop.org/show_bug.cgi?id=104828
--- Comment #21 from Hi-Angel ---
Ok, I think I found a very nice way to encode the check with a binary array and
a match for 101b pattern, and whole check now is just 3 comparisons and 4
assignments in the worst case, so we can keep it enabled
https://bugs.freedesktop.org/show_bug.cgi?id=104828
--- Comment #20 from Hi-Angel ---
For walking around I've got even a better idea on the algorithm of wobbling
detection per se. Let's just record 3 last motions, then if they're less than
20ms, and point different ways in a checkered manner — it
https://bugs.freedesktop.org/show_bug.cgi?id=104828
--- Comment #19 from Hi-Angel ---
I think I figured how to fix it. Let's keep hysteresis disabled from the
beginning, and then every time a finger seems still, apply the simple algo from
point "1" of the prev. comment. Do it 5 times in the row,
https://bugs.freedesktop.org/show_bug.cgi?id=104828
--- Comment #18 from Hi-Angel ---
(In reply to Peter Hutterer from comment #17)
> the algorighm is *really* simple right now - it sets a timer on the last
> motion event. If the timer expires without further motion events (and no
> finger up) we
https://bugs.freedesktop.org/show_bug.cgi?id=104828
--- Comment #17 from Peter Hutterer ---
the algorighm is *really* simple right now - it sets a timer on the last motion
event. If the timer expires without further motion events (and no finger up) we
assume that there isn't any wobble. We don't
https://bugs.freedesktop.org/show_bug.cgi?id=104828
--- Comment #15 from Daniel van Vugt ---
(In reply to Hi-Angel from comment #14)
> libinput does have a detection code — otherwise how could it "remove"
> wobbling.
I think that's wrong. It doesn't detect wobbling. It _assumes_ from the
beginn
https://bugs.freedesktop.org/show_bug.cgi?id=104828
--- Comment #16 from Hi-Angel ---
(In reply to Daniel van Vugt from comment #15)
> (In reply to Hi-Angel from comment #14)
>
> > libinput does have a detection code — otherwise how could it "remove"
> > wobbling.
>
> I think that's wrong. It d
https://bugs.freedesktop.org/show_bug.cgi?id=104828
--- Comment #14 from Hi-Angel ---
(In reply to Daniel van Vugt from comment #10)
> (In reply to Hi-Angel from comment #9)
> > until a person just keeps the finger still on the touchpad (e.g.
> > tries to focus something), and then check if we se
https://bugs.freedesktop.org/show_bug.cgi?id=104828
--- Comment #13 from Daniel van Vugt ---
Although the algorithm described in comment #12 is basically equivalent to
always having hysteresis ON with just a smaller radius.
Presently hysteresis feels like it's about 5mm, which I think might be t
https://bugs.freedesktop.org/show_bug.cgi?id=104828
--- Comment #12 from Daniel van Vugt ---
Although to say anything is impossible is just asking to be proven wrong :)
One way you could have hysteresis disabled by default is to try and tell the
difference between hardware jitter and finger move
https://bugs.freedesktop.org/show_bug.cgi?id=104828
--- Comment #11 from Daniel van Vugt ---
Correction: Hysteresis is *enabled* by default already.
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--- Comment #10 from Daniel van Vugt ---
(In reply to Hi-Angel from comment #9)
Hysteresis is disabled by default already.
> until a person just keeps the finger still on the touchpad (e.g.
> tries to focus something), and then check if we see
https://bugs.freedesktop.org/show_bug.cgi?id=104828
--- Comment #9 from Hi-Angel ---
(In reply to Peter Hutterer from comment #6)
> no the touchpad is just terrible. it wobbles along for ages, then has one
> event frame that is delayed by enough to turn off the hysteresis. Looks like
> we need so
https://bugs.freedesktop.org/show_bug.cgi?id=104828
Peter Hutterer changed:
What|Removed |Added
CC||hi-an...@yandex.ru
--- Comment #8 from
https://bugs.freedesktop.org/show_bug.cgi?id=104828
--- Comment #7 from Daniel van Vugt ---
My preferred verb for such 1-2px movements is "jitter" :)
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Peter Hutterer changed:
What|Removed |Added
Summary|Jumpy AlpsPS/2 ALPS |Wobbly AlpsPS/2 ALPS
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