According to this bug: https://bugs.kde.org/show_bug.cgi?id=382812 the
issue is not plasma-workspace, nor sddm, nor nvidia, but xorg and
according to it the bug has been fixed in xorg. Closing now, if the bug
still persists please reopen with details on a supported release.
** No longer affects:
I have this problem in Ubuntu Focal 20.4 installed on an iMac 21.5'
mid-2010 with a Radeon ATI card.
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Title:
Yes I had this issue described here
https://askubuntu.com/questions/1256513/mouse-pointer-on-desktop-is-
tailed-by-square-shaped-marks-in-20-04-lts
Dell XPS15 9570, Ubuntu 20.04, Linux xps15 5.4.0-48-generic #52-Ubuntu
SMP Thu Sep 10 10:58:49 UTC 2020 x86_64 x86_64 x86_64 GNU/Linux
"Fixed" by.
I have also found this in Ubuntu 20.04 ,Amd ryxen 1700x , nvidia 1070X 8GB
system
its bit difficult when coding
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Hi I might have some updates. I have been reading all the comments but
my issue was totally different. I use an Asus Tuf fx504 laptop and
recently dual booted to Ubuntu 20.04. However I did not install the
nvidia drivers yet. Not this issue of lagging box around cursor happened
randomly one day. I
I can confirm that this is happening only in combination with Display
Link drivers.
Yesterday everything was working fine on Ubuntu 18.04 with Nvidia
drivers, but today I've installed DisplayLink 5.1 so that I can use 2
external monitors at work and then square appeared.
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Happens also to me:
Manjaro 18.0.4
KDE 5.15.4
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Title:
Lagging square around mouse pointer
Status in
@jamie-2 the suggestion worked but of this way;
[Service]
# temporary safety check until all DMs are converted to correct
# display-manager.service symlink handling
ExecStartPre=/bin/sleep 10
ExecStartPre=/bin/sh -c '[ "$(basename $(cat /etc/X11/default-display-manager
2>/dev/null))" = "lightdm"
For me editing the display-manager.service made no difference.
[Service]
# temporary safety check until all DMs are converted to correct
# display-manager.service symlink handling
#ExecStartPre=/bin/sh -c '[ "$(basename $(cat /etc/X11/default-display-manager
2>/dev/null))" = "lightdm" ]'
Hi,
are there any updates on this bug so far? Still interested in whether
this may be patched at some time. Just installed Kubuntu 16.04 using an
NVIDIA Quadro P1000 and I am experiencing the same issues.
** Information type changed from Public Security to Public
** Information type changed
** Information type changed from Public to Public Security
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Title:
Lagging square around mouse pointer
I used Witold Burkiewicz fix with GDM on Arch - i had to edit
'/etc/systemd/system/display-manager.service'. Thank you all!
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Thank you, Witold Burkiewicz, it is really helpful workaround.
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Title:
Lagging square around mouse pointer
Crippling your system (switching to xrender and much slower nouveau driver) is
not a solution.
What works for me flawlessly for more than a week on KDE Neon:
In file:
/lib/systemd/system/sddm.service
Add:
ExecStartPre=/bin/sleep 10
After [Service]
The problem apparently is that something
Okey guys i solved this i am on kubuntu i was having the exact same
problem, now to the solution
Go in System Settings > Display and Monitor > Compositor and change Rendering
backend to xRender
if you still have the same problem get back into x.org/nouveau driver and thats
it.
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After several restarts the solution above sometimes didn't work, so I've
modified it:
exec sddm
sleep 2
killall sddm
exec sddm
Possibly it will more persistent.
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Hello,
this is really annoying problem and apparently nobody cares except for the
people that experience it.
But I have found a better workaround that works at least for me:
In /etc/init/sddm.conf after line:
exec sddm
add:
killall sddm
exec sddm
Just restarting sddm automatically
I have the same issue with KDE neon and Nvidia 396.51 on a Dell XPS 15
9570 (GTX 1050 Ti). Restarting sddm fixes the issue but is really
annoying.
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Update, logout and login again resolves the issue!!!
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Title:
Lagging square around mouse pointer
Status in
Have the same issue. My system:
Ubuntu 16.04.5, latest updates. Unity desktop.
Nvidia 384.130 driver.
DisplayLink 4.2, tried also with 4.1, the same issue.
I also uploaded 12 seconds video: https://www.youtube.com/watch?v=vVwa-
cVU_cA
Can't confirm if this is Nvidia or DisplayLink or both
Was fixed for me during the last updates on Lenovo W540 with Quadro K1100M.
I also updated to the latest displyLink drivers (4.2 08 Mar 2018).
NVIDIA driver version: 384.130
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The bug still exists with latest nvidia drivers (!!!)
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Title:
Lagging square around mouse pointer
Status in
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