This is getting creepier. Even though as I said in comment #66 I was
able to fix this with modprobe i2c-i801, it no longer works after
upgrading from 5.0.0-27-generic to 5.0.0-29-generic.
However, the fix from comment #16 works.
modprobe -r psmouse
modprobe psmouse
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Just adding a quick note that I experienced this problem on a Thinkpad
T480 running 18.04, after updating to 4.15.0-62-generic. Going back to
4.15.0-55-generic fixes the issue. I didn't check -58 and -60 to see how
they behave, but I should do that as soon as I have time for that. Note
that it may
Just adding a quick note that I experienced this problem on a Thinkpad
T480 running 18.04, after updating to 4.15.0-62-generic. Going back to
4.15.0-55-generic fixes the issue. I didn't check -58 and -60 to see how
they behave, but I should do that as soon as I have time for that. Note
that it may
#44 & #45 solve the issue
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Title:
Two-finger scrolling no longer works after resuming from suspend
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** Tags added: cscc
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Title:
Two-finger scrolling no longer works after resuming from suspend
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Hardware: Thinkpad T440s
OS/Kernel: Kubuntu 18.04/4.15.0-52-generic
Driver: mtrack
Also experienced this bug. The temporary fix (modprobe) worked, but
commenting out the "blacklist i2c_i801" line resulted in the machine not
finding the touchpad on reboot.
I was able to successfully fix this iss
I was not having any issue with two-finger scrolling on my T560 and
kernel 4.18.0-18-generic. I was trying to resolve a separate problem,
that the pointing stick pointing in the center of the keyboard wasn't
functioning, and would in fact cause the touchpad to stop functioning if
I attempted to use
Quick follower to my own #102, it turns out that my machine simply
needed to be started twice with the bootloader option psmouse.proto=imps
set. The first time shook something looks in Gnome which resulted in a
notification appearing about a minute after boot, "software update made
that require res
The instructions in comments #44 and #45 totally solved this for me!
Thank you.
Further, I think my machine is now going to sleep more reliably :)
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disregard my post. Seems to work now after I rebooted. Just tested
closing the lid reopening and it works fine. I'll post on here if I find
any further issues. Thanks
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I have a T440s running 18.04.2 after I close the lid and reopen to
continue session, the scrolling on my trackpad gets lagged and the
pointer seems off. I have to to a restart to make things normal again. I
followed the fix on comment #44 and #45 and after suspend my scroll
completely stopped worki
kmod (25-1ubuntu3) disco; urgency=medium
* Drop i2c_i801 from the blacklist again, things work fine with
current kernels. (LP: #1786574)
-- Timo Aaltonen Thu, 04 Apr 2019 11:30:14 +0300
...
The above fixed it for me.
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Ok, I meant "still present in Ubuntu 19.04" in the last comment :D
Also worth mentioning: the "sudo modprobe i2c-i801" fix also restores
the two-finger-tap right clicking behavior, which was also broken
alongside two-finger scrolling. But there was no three-finger-tapping
instead, so unlike the ca
For Robin (brobert420), who in comment #69:
> Commenting out blacklist i2c_i801 did end with mouse not working at all after
> wakeup […]. I got an L440. Ubuntu 18.04 4.19rc1
I had the same problem with a ThinkPad T440s on Ubuntu 19.10 beta. (Just
that there was no blacklist entry in /etc/modprob
This will be solved once LP: #1802135 is "Fix Released".
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Title:
Two-finger scrolling no longer works after resuming from suspend
To manage noti
Bug affects Ubuntu 18.10 on W540 as well. Confirm
psmouse.synaptics_intertouch=0 (so called) fix. Hello, guys, we're in
the 21st century, perhaps you did not have time to notice?!?
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Thinkpad T540p, same as comment #86: reloading psmouse fixes the problem until
next suspend, setting psmouse.synaptics_intertouch=0 fixes it for good.
Extra note: i2c_i801 isn't blacklisted, but does not load by itself either.
Having it loaded (including before psmouse) seems to have no effect on
Comment #44 and #45 worked fine for me. I have a Lenovo ThinkPad T440
Thaks
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Title:
Two-finger scrolling no longer works after resuming from susp
corentin barbu, please file a new bug as Precision 7530 uses a different
touchpad.
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Title:
Two-finger scrolling no longer works after resuming fr
Similar problem here on brand new Dell precision 7530 sold with Ubuntu
16.04...
uname -a:
Linux atlas 4.15.0-39-generic #42~16.04.1-Ubuntu SMP Wed Oct 24 17:09:54 UTC
2018 x86_64 x86_64 x86_64 GNU/Linux
The two finger scrolling -and tap to click- stops working after suspend
but none of the tempo
For Ubuntu 18.04 on ThinkPad-11e, kernel version 4.15.0-38-generic:
A) comment #44 and #45 solves the issue completely.
B) comment #16 works temporarily/partially.
C) comment #63 "blacklist i2c_i801" does not exist in
/etc/modprobe.d/blacklist.conf
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Sorry, I messed up something last time. #16 (the modprobe thing) fixes
it temporarily.
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Title:
Two-finger scrolling no longer works after resumin
It affects me too, on fresh Ubuntu 18.04 on Thinkpad X240. The two
finger scrolling works until suspend/resume, after that only the three-
finger one, but not without glitches. The modprobe command disables both
my touchpad and trackpoint.
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I can also confirm that this problem still exists with a fresh install
of Ubuntu 18.10 with kernel 4.18.0.. I will try the
psmouse.synaptics_intertouch=0 workaround.
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And yet another X1 Carbon 5th gen running 4.18.0-10-generic and Ubuntu
18.10 issue present. One of #16, #43 and #63 helps to mitigate the
problem. Thanks a lot to all the contributors!
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ht
Another X1 Carbon 5th gen user confirming this bug, running Ubuntu
18.04.1 with kernel 4.15.0-38-generic.
So, my findings reconfirm what other users have reported:
a) post #16 works as a temporary non-persistent fix
b) posts #43 and #63 are persistent fixes
The difference between #43 and #63 is t
This workaround in comment #72 works for me; two finger scrolling and
click-and-drag work after resuming from suspend.
Add the following line to this file: `/etc/defaults/grub`
> GRUB_CMDLINE_LINUX_DEFAULT="quiet splash
psmouse.synaptics_intertouch=0"
Then run `update-grub`
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Same problem on Thinkpad X1 Carbon 3rd Gen with Ubuntu 18.04 and 18.10.
Currently using kernel 4.18.0-10-generic.
Commands in #16 resolve the problem for 18.10, not tested for 18.04.
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Same problem on Thinkpad X1 Carbon 5th Gen with Ubuntu 18.04
Currently using kernel 4.15.0-38-generic
Commands in comment #16 resolve the problem until next suspend.
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Just confirming this: This keeps happening with Thinkpad X280.
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Title:
Two-finger scrolling no longer works after resuming from suspend
To manag
Observed similar behavior on Ubuntu 18.04 with ThinkPad X280
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Title:
Two-finger scrolling no longer works after resuming from suspend
To manage
Same problem for me with Ubuntu 18.10 on ThinkPad T550. The two commands
in #16 fix it till the next sleep.
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Title:
Two-finger scrolling no longe
As the model hasn't been mentioned here yet, I thought I'd report that
it also affects me on a ThinkPad X250 with Ubuntu 18.04.
The two commands in comment #16 do fix it momentarily.
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htt
I managed to get two-finger scrolling working after installing the Intel
microcode firmware package.
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Title:
Two-finger scrolling no longer works
Also on ThinkPad X1 Carbon 5th
Linux x1-cosmic 4.18.0-10-generic #11-Ubuntu SMP Thu Oct 11 15:13:55 UTC 2018
x86_64 x86_64 x86_64 GNU/Linux
Synaptics touchpad
xinput
⎡ Virtual core pointer id=2[master pointer (3)]
⎜ ↳ Virtual core XTEST pointerid=4
I can also confirm that this affects the Lenovo ThinkPad Carbon 5th gen.
After resuming from suspend to ram the touchpad is broken -- two-finger
gesture doesn't work.
$ sudo dmidecode -t system | grep -i "system information" -A 3
System Information
Manufacturer: LENOVO
Product Name
I have a Thinkpad X1 Carbon 5th gen, and am also affected. Modprobing
psmouse also temporarily fixes for me (but if comes back if I close the
lid of my laptop and wake it up again), and adding the
synaptics_intertouch option in grub also seems to prevent it from coming
back.
It only started happen
Commenting out blacklist i2c_i801 did end with mouse not working at all
after wakeup but adding psmouse.synaptics_intertouch=0 to grub did solve
the issue. I got an L440. Ubuntu 18.04 4.19rc1
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The problem is also present on the ThinkPad X280, worked around by
```
modprobe -r psmouse
modprobe psmouse
```
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Title:
Two-finger scrolling no l
I confirm that @chutz workaround (modprobing i2c-i801) fixes the problem
on my X1 Carbon 3rd gen as well.
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Title:
Two-finger scrolling no longer
This bug is also present on an X1 Carbon (gen 3).
modprobe i2c-i801 after removing it from the blacklist.conf seems to
solve the issue.
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Title:
@kaihengfeng I can confirm that commenting out that line does indeed
solve the problem.
$ cat /etc/default/grub
GRUB_DEFAULT=saved
GRUB_SAVEDEFAULT=true
GRUB_HIDDEN_TIMEOUT_QUIET=true
GRUB_TIMEOUT=10
GRUB_DISTRIBUTOR=`lsb_release -i -s 2> /dev/null || echo Debian`
GRUB_CMDLINE_LINUX_DEFAULT="quiet
I no longer own this laptop (Thinkpad T440p), so I am not in a position
to do further testing.
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Title:
Two-finger scrolling no longer works after
Hi, please remove psmouse.synaptics_intertouch=0" add comment out
"blacklist i2c_i801" in /etc/modprobe.d/blacklist.conf, and see if this
helps.
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T
I have a Lenovo Thinkpad L450, I experienced this bug on 4.15.0 (Ubuntu
18.04) and the kernel parameter "psmouse.synaptics_intertouch=0"
solution did work for me, too.
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Launchpad has imported 9 comments from the remote bug at
https://bugzilla.kernel.org/show_bug.cgi?id=196719.
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will be sent to the remote bug automatically. Read more about
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Ubuntu 18.04 kernel 4.15.0-22-generic T440p - same problem with two-
finger scrolling. Will wait until this is fixed in an update ... how
long will that be?
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I experienced the same issue on my ThinkPad T450s running Kubuntu 18.04
(two-finger scrolling stops working after opening the lid and resuming).
Adding kernel parameter "psmouse.synaptics_intertouch=0" as described
above solved the issue for me (a big THANK YOU!).
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Hi. I have this problem too on T440s with 18.04 (kernel 4.15.0-22). The
previous workaround worked perfectly for me.
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Title:
Two-finger scrolling
** Information type changed from Public to Public Security
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Title:
Two-finger scrolling no longer works after resuming from suspend
To manage no
This bug still persists on ubuntu 18.04, I had to add this kernel
parameter psmouse.synaptics_intertouch=0 to circumvent this issue.
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Title:
Two-
Works on T440s too.
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Title:
Two-finger scrolling no longer works after resuming from suspend
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Thanks for this workaround. I can confirm it works on a Thinkpad T450s
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Title:
Two-finger scrolling no longer works after resuming from suspend
thx for this temporary fix, it works great!
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Title:
Two-finger scrolling no longer works after resuming from suspend
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(sry for the second post)
then
sudo update-grub
and reboot
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Title:
Two-finger scrolling no longer works after resuming from suspend
To
hi, thanks a lot! I'm now using 4.13 with this parameter at it is
working fine!
For others you have to edit the file /etc/default/grub and change the line:
GRUB_CMDLINE_LINUX_DEFAULT="quiet splash"
to
GRUB_CMDLINE_LINUX_DEFAULT="quiet splash psmouse.synaptics_intertouch=0"
then
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Yo
Fortunately that commit introduces an extra knob, so you can use
"psmouse.synaptics_intertouch=0" to turn it off as a temporary
workaround.
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Title:
e839ffab028981ac77f650faf8c84f16e1719738 is the first bad commit
commit e839ffab028981ac77f650faf8c84f16e1719738
Author: Benjamin Tissoires
Date: Thu Mar 2 14:13:53 2017 -0800
Input: synaptics - add support for Intertouch devices
Most of the Synaptics devices are connected through PS/2
hi, this is also working fine for me
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Title:
Two-finger scrolling no longer works after resuming from suspend
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Commit 6c53694fb2223746738d1d0cea71456ca88c8fb2
http://people.canonical.com/~khfeng/lp1722478-bisect-3/
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Title:
Two-finger scrolling no longer w
Hi, this one is working fine for me!
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Title:
Two-finger scrolling no longer works after resuming from suspend
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Sorry for the late reply, here's the next one,
http://people.canonical.com/~khfeng/lp1722478-bisect-2/
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Title:
Two-finger scrolling no longer wo
Hello again, I spoke too soon. Problem went away immediately after
installing `intel-microcode` but returned after suspend and resume.
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Title:
Tw
I can confirm that the this last kernel does not work
(lp1722478-bisect-1), while the previous did (fastreconnect)
On a Thinkpad T440s
ps. modprobe workaround also works, while installing intel-microcode
does not (had it previously)
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Hi, I am running Ubuntu 17.10 GNOME with Wayland using a Thinkpad T440
as well. Installing `intel-microcode` fixed the issue immediately. I'm
assuming this is proprietary code :\
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https://
hi, this kernel has the bug
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Title:
Two-finger scrolling no longer works after resuming from suspend
To manage notifications about this bug go t
Use 0ab3fa57425 as good,
03b22057e8ed as bad.
Let's start a new bisection between these two commits:
http://people.canonical.com/~khfeng/lp1722478-bisect-1/
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Hi, thanks for the kernels. Unfortunately both are working fine :/ Was
there another commit touching the psmouse-base.c between the good and
bad commit (since i couldn't revert the commit easily)?
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Linux kernel built with the commit:
http://people.canonical.com/~khfeng/lp1722478+fastreconnect/
Prior to the commit:
http://people.canonical.com/~khfeng/lp1722478+nofastreconnect/
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Hi, i have some problems reverting the commit. This is what i did:
$ git checkout 03b22057e8ed
$ git revert 0ab3fa57425023f42e8822a293d9b87a3ad4e2b3
error: could not revert 0ab3fa574250... Input: psmouse - implement fast
reconnect option
hint: after resolving the conflicts, mark the corrected p
Checking the commits between from a71c9a1c779f to 03b22057e8ed, this one looks
very suspicious.
Can you revert this commit and see if this the culprit?
commit 0ab3fa57425023f42e8822a293d9b87a3ad4e2b3
Author: Dmitry Torokhov
Date: Sun Mar 5 23:19:22 2017 -0800
Input: psmouse - implement fa
Also affects me (T540p) on 4.13.11-1-ARCH (arch linux default), since a
recent (kernel?) upgrade. Modprobe workaround works for me.
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Title:
Two-f
Hi, so i have tried it again with much more testing etc. However, i got
some problems and i had to abort bisecting
so the last good commit was a71c9a1c779f
and the last bad commit was 03b22057e8ed
The amount of commits between these two hashes:
git rev-list ^a71c9a1c779f 03b22057e8ed --count
58
Thorsten,
That means something went wrong in the bisection process.
Probably the issue does not happen all the time?
Here's my suggestion:
- Instead of warm boot (reboot), always do a cold boot (shutdown then boot).
- Test with more S3 cycles before next bisect.
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the modprobe trick works (thank god), this helps a lot! I will see if i
can install the kernel that does work and see how this works with all
the rest of my laptop!
thanks for the info guys! I sure hope this is getting fixed soon though
:)
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@ kaihengfeng
So i did the bisecting as you described (thanks for that!) and I hope that i
did everything right. For the questions during the config i always just pressed
enter so that the default choice is used.
It's the first time i did this so please be skeptical with my findings!
So after
@fgod1983
Download the .deb files for amd64 listed in http://kernel.ubuntu.com
/~kernel-ppa/mainline/v4.11.12/. Open a terminal in your download folder
and run `apt install ./linux*4.11.12*.deb`. After the install is
completed, reboot your laptop, and select kernel 4.11.12 in the grub
selection wi
having the same issue with my t440p thinkpad after updating from 17.04
to 17.10...
can somebody please explain how i install the working kernel (4.11.12)
were Thorsten was talking about? Because this bug is really annoying as
this is my working laptop...
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First, make sure 4.11 is working.
I can build kernel for you, but it will take a dozen iterations.
It can be much faster if you build your own kernel locally,
$ sudo apt install git
$ sudo apt build-dep linux
$ git clone git://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
$ cd linux
so i tested some kernels from http://kernel.ubuntu.com/~kernel-
ppa/mainline/
and found:
4.11.12 -- working
4.12-rc1 -- bug occurs
i tested it by installing a specific kernel and first verified that two finger
scrolling is working and then tested if it is still working after a
suspend/resume.
W
Also affects me on a Thinkpad T440 in Ubuntu 17.10
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Title:
Two-finger scrolling no longer works after resuming from suspend
To manage notificati
also occurs on fedora:
https://bugs.freedesktop.org/show_bug.cgi?id=103149
** Bug watch added: freedesktop.org Bugzilla #103149
https://bugs.freedesktop.org/show_bug.cgi?id=103149
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htt
also affects me! I am using thinkpad t440s
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Title:
Two-finger scrolling no longer works after resuming from suspend
To manage notifications abou
The bug affects me as well, same machine. In the mean time, to avoid rebooting,
you can reload the module, as super user:
modprobe -r psmouse
modprobe psmouse
This fix the problem for me.
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Make sure v4.9 is good and v4.10 is bad, then find the first version of
v4.10-rc* that has this problem.
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Title:
Two-finger scrolling no longer w
I suppose I should start at kernel 4.10, since it was working with
kernel 4.9 on Debian Stretch.
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Title:
Two-finger scrolling no longer works aft
You need to do a kernel bisection then.
Find the first mainline kernel release that make your touchpad cease to
work in http://kernel.ubuntu.com/~kernel-ppa/mainline/
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I have installed your kernel:
$ uname -r
4.13.0-17-generic
Still, two-finger scrolling does not work after suspend/resume.
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Title:
Two-finger s
Please try kernel here:
http://people.canonical.com/~khfeng/lp1722478/
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Title:
Two-finger scrolling no longer works after resuming from suspend
I found a reproducible setup for this bug: I can get 2-finger scrolling
to work after a fresh boot, but it stops working after resuming from
suspend.
** Summary changed:
- Two-finger scrolling no longer works with Ubuntu 17.10
+ Two-finger scrolling no longer works after resuming from suspend
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