Thanks for the bug report. I am fairly confident this will be a
duplicate of bug 1834583, but just to verify please run:
apport-cli --hanging -u 1834984 -P PID
where PID is the process ID of the busy gnome-shell.
** Changed in: gnome-shell (Ubuntu)
Status: New => Incomplete
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https://bugs.launchpad.net/bugs/1834984
Title:
gnome-shell freezes with 100% CPU when closing popup window
Status in gnome-shell package in Ubuntu:
Incomplete
Bug description:
Whenever I run Netbeans 11 (using either openjdk11) and (eg):
1. Open Tools / Plugins.
2. Go to Settings.
3. Click on 'Add'.
4. Click 'Cancel'.
then gnome-shell freezes (except for the mouse), apparently
indefinitely (I have left it for 30+ minutes.)
I can login as another user via CTRL-ALT-F1 and kill the frozen
session using loginctl. Sometimes this kills gnome-shell completely
and I have to power cycle; other times I can switch back to the login
with CTRL-ALT-F1 and continue.
This also usually happens when I close any other popup windows in
Netbeans.
I have tried making the popup windows modal and non-modal, but it
makes no difference.
ProblemType: Bug
DistroRelease: Ubuntu 19.10
Package: gnome-shell 3.32.2-2ubuntu1
Uname: Linux 5.2.0-050200rc7-generic x86_64
ApportVersion: 2.20.11-0ubuntu3
Architecture: amd64
Date: Tue Jul 2 11:34:29 2019
DisplayManager: gdm3
GsettingsChanges:
InstallationDate: Installed on 2019-07-01 (0 days ago)
InstallationMedia: Ubuntu 19.10 "Eoan Ermine" - Alpha amd64 (20190606)
ProcEnviron:
LANGUAGE=en_AU:en
TERM=xterm-256color
PATH=(custom, no user)
LANG=en_AU.UTF-8
SHELL=/bin/bash
RelatedPackageVersions: mutter-common 3.32.2+git20190626-1ubuntu1
SourcePackage: gnome-shell
UpgradeStatus: No upgrade log present (probably fresh install)
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