This bug was fixed in the package mutter - 3.38.3-2ubuntu1
---------------
mutter (3.38.3-2ubuntu1) hirsute; urgency=medium
* Merge with debian, containing new upstream release (LP: #1915025)
- Disable CRTCs when system becomes headless (LP: #1905825)
- Fixed crash during windows unmanagement (LP: #1870822)
- Do not handle ungrabbed events when unmanaging (LP: #1880405)
- Downgrade assert to warning when adding window (LP: #1911921)
* d/p/x11-Add-support-for-fractional-scaling-using-Randr.patch:
- Refreshed
* debian/rules: Enable remote desktop for all linux builds (LP: #1730612)
mutter (3.38.3-2) unstable; urgency=medium
* Team upload
* d/patches: Update to commit 3.38.3-12-g2d424a739 from gnome-3-38 branch
- Cope with monitors with metacharacters in their EDID data
- Don't crash if parsing monitor configuration fails
- Don't crash if an extension tries to add the same window to a
workspace more than once, such as auto-move-windows
- Cope with monitor configuration changes during screencasting
- Speed up workspace switching when many windows are open
- Fix Xwayland windows not always appearing in the gnome-shell overview
- Avoid warning spam and poor performance when unmanaging a window
(probably Closes: #970295, LP: #1841774)
mutter (3.38.3-1) unstable; urgency=medium
* Team upload
* d/watch: Only watch for 3.38.x versions
* New upstream release
-- Marco Trevisan (Treviño) <ma...@ubuntu.com> Tue, 09 Feb 2021
04:59:11 +0100
** Changed in: mutter (Ubuntu)
Status: Fix Committed => Fix Released
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https://bugs.launchpad.net/bugs/1880405
Title:
Unresponsive GUI and journal flooded with: JS ERROR: TypeError: null
has no properties
_onFocusChanged@resource:///org/gnome/shell/ui/closeDialog.js:135:9
Status in GNOME Shell:
Unknown
Status in gnome-shell package in Ubuntu:
Invalid
Status in mutter package in Ubuntu:
Fix Released
Bug description:
[ Impact ]
Shell becomes slow and unresponsive flooding journal with JS errors
[ Test case ]
1. Resize the terminal to use half the screen (using CMD+LEFT)
2. switch it to fullscreen (F11) and back (F11)
3. Repeat this some number of times ensure we don't end up in a loop with
100% CPU usage.
4. Ensure that it's still possible to get window focus and the UI is
responsive.
[ Regression potential ]
Events are ignored for windows which are still visible.
---
O.k. it is an old Lenovo thinkpad T410. However, in 18.04, 19.04 and 19.10 I
did face these problems. The sometimes I have to wait 10 seconds to see if a
window reacts or not. It is hard to use.
Installiert: 3.36.1-5ubuntu2
Installationskandidat: 3.36.2-1ubuntu1~20.04.1
Versionstabelle:
3.36.2-1ubuntu1~20.04.1 500
500 http://it.archive.ubuntu.com/ubuntu focal-updates/main amd64
Packages
*** 3.36.1-5ubuntu2 100
100 /var/lib/dpkg/status
3.36.1-5ubuntu1 500
500 http://it.archive.ubuntu.com/ubuntu focal/main amd64 Packages
ProblemType: BugDistroRelease: Ubuntu 20.04
Package: gnome-shell 3.36.1-5ubuntu2
ProcVersionSignature: Ubuntu 5.4.0-29.33-generic 5.4.30
Uname: Linux 5.4.0-29-generic x86_64
ApportVersion: 2.20.11-0ubuntu27
Architecture: amd64
CasperMD5CheckResult: skip
CurrentDesktop: GNOME-Classic:GNOME
Date: Sun May 24 15:43:34 2020
DisplayManager: gdm3
InstallationDate: Installed on 2020-02-05 (109 days ago)
InstallationMedia: Ubuntu 19.04 "Disco Dingo" - Release amd64 (20190416)
RelatedPackageVersions: mutter-common 3.36.2-1ubuntu1~20.04.1SourcePackage:
gnome-shell
UpgradeStatus: Upgraded to focal on 2020-05-08 (15 days ago)
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