Though the modesetting driver should only exhibit screen tearing if
either:
* using multiple monitors; or
* using fractional scaling.
Both of those can be avoided by logging into "Ubuntu on Wayland".
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Yes, screen tearing in the modesetting driver is a known problem (bug
1846398) but is off topic for this bug.
** Summary changed:
- Some applications don't redraw their windows correctly
+ Some applications don't redraw their windows correctly when using
xserver-xorg-video-intel
** Changed in:
[Expired for xserver-xorg-video-intel (Ubuntu) because there has been no
activity for 60 days.]
** Changed in: xserver-xorg-video-intel (Ubuntu)
Status: Incomplete => Expired
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[Expired for fvwm (Ubuntu) because there has been no activity for 60
days.]
** Changed in: fvwm (Ubuntu)
Status: Incomplete => Expired
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https://bugs.launchpad.net/bugs/1850635
Tit
[Expired for xorg-server (Ubuntu) because there has been no activity for
60 days.]
** Changed in: xorg-server (Ubuntu)
Status: Incomplete => Expired
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Having tried the "modesetting" driver for a while, I find it suffers
from severe screen tearing, which makes it practically unusable. I
prefer the half-broken intel driver!
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Thank you for the reply.
Changing the driver in xorg.conf from "intel" to "modesetting" fixed the
problem.
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https://bugs.launchpad.net/bugs/1850635
Title:
Some applications don't redra
You seem to be using FVWM and the old Intel driver (not the current
one). So I would try eliminating those as possible causes.
1. Does the bug also occur in Gnome Shell Xorg sessions? (log into
'Ubuntu')
2. Please edit or move or delete /etc/X11/xorg.conf so that Xorg does
not load the 'intel' dr