Thanks for all that. It appears the problematic monitor is:
VGA-1 connected 1200x1920+0+0 left (normal left inverted right x axis y axis)
519mm x 324mm
1920x1200 59.95*+
My first suspicion is that "VGA" is the first problem there. The
overdrawing of letters/pixels suggests a signal or mode problem that you
would probably only encounter with an analog connection like VGA. So
this could be a hardware/cable problem, or even a kernel driver problem.
Not sure.
** Summary changed:
- Ubuntu display is corrupted, never recovers
+ Rotated display is overscaled and overdrawn
** Changed in: gnome-shell (Ubuntu)
Status: Incomplete => New
** Also affects: mutter (Ubuntu)
Importance: Undecided
Status: New
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https://bugs.launchpad.net/bugs/1830792
Title:
[i915] Rotated display is overscaled and overdrawn
Status in gnome-shell package in Ubuntu:
Incomplete
Status in linux package in Ubuntu:
Incomplete
Status in mutter package in Ubuntu:
Incomplete
Status in xorg-server package in Ubuntu:
Incomplete
Bug description:
On my system I have two display: one in landscape, and one in
portrait. The landscape display is fine, but the portrait display is
corrupted. If I unplug the display from the computer for some time and
then plug it back in it will occasionally fix the problem.
Once the problem is fixed, the display works perfectly fine,
indefinitely. However, as soon as I reboot the computer the display
will come up corrupted again and never recovers without many rounds of
plug/unplug turn off/turn on. It's extremely frustrating.
ProblemType: Bug
DistroRelease: Ubuntu 19.04
Package: gnome-shell 3.32.0+git20190410-1ubuntu1
ProcVersionSignature: Ubuntu 5.0.0-15.16-generic 5.0.6
Uname: Linux 5.0.0-15-generic x86_64
NonfreeKernelModules: zfs zunicode zavl icp zcommon znvpair
ApportVersion: 2.20.10-0ubuntu27
Architecture: amd64
CurrentDesktop: ubuntu:GNOME
Date: Tue May 28 15:57:02 2019
DisplayManager: gdm3
GsettingsChanges:
b'org.gnome.shell' b'command-history' redacted by apport
b'org.gnome.shell' b'favorite-apps' redacted by apport
b'org.gnome.desktop.interface' b'gtk-im-module' b"'gtk-im-context-simple'"
ProcEnviron:
PATH=(custom, no user)
XDG_RUNTIME_DIR=<set>
LANG=en_US.UTF-8
SHELL=/usr/bin/fish
SourcePackage: gnome-shell
UpgradeStatus: Upgraded to disco on 2019-04-22 (36 days ago)
modified.conffile..etc.logrotate.d.apport: [modified]
mtime.conffile..etc.logrotate.d.apport: 2019-01-12T15:50:59.090583
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