meta_window_set_stack_position_no_sync: assertion 'window->stack_position >= 0' failed

[Seija K.]

GNOME Shell-Message: 20:18:17.677: Telepathy is not available, chat integration will be disabled.
Gjs-Message: 20:18:18.189: JS WARNING: [/<email address hidden>/appIcons.js 1028]: unreachable code after return statement
Ubuntu AppIndicators-Message: 20:18:19.456: [AppIndicatorSupport-DEBUG] Registering StatusNotifierItem :1.79/org/ayatana/NotificationItem/software_update_available
Ubuntu AppIndicators-Message: 20:18:19.461: [AppIndicatorSupport-DEBUG] Registering StatusNotifierItem :1.79/org/ayatana/NotificationItem/livepatch
GNOME Shell-Message: 20:18:19.742: Error looking up permission: GDBus.Error:org.freedesktop.portal.Error.NotFound: No entry for geolocation

(gnome-shell:21601): mutter-CRITICAL **: 20:18:45.274: meta_window_set_stack_position_no_sync: assertion 'window->stack_position >= 0' failed

Was the error I got after restarting Gnome after it froze when I closed Visual Studio Code but the right-click menu appeared for it after Ubuntu froze for a second because I had regions enabled on my touchpad.

ProblemType: Bug
DistroRelease: Ubuntu 18.04
Package: gnome-shell 3.28.4-0ubuntu18.04.3
ProcVersionSignature: Ubuntu 5.3.0-46.38~18.04.1-generic 5.3.18
Uname: Linux 5.3.0-46-generic x86_64
ApportVersion: 2.20.9-0ubuntu7.14
Architecture: amd64
Date: Mon Apr 6 20:16:51 2020
DisplayManager: gdm3
GsettingsChanges:
 b'org.gnome.shell' b'app-picker-view' b'uint32 1'
 b'org.gnome.shell' b'favorite-apps' redacted by apport
 b'org.gnome.desktop.interface' b'gtk-im-module' b"'gtk-im-context-simple'"
 b'org.gnome.desktop.interface' b'clock-format' b"'12h'"
InstallationDate: Installed on 2020-04-04 (2 days ago)
InstallationMedia: Ubuntu 18.04.4 LTS "Bionic Beaver" - Release amd64 (20200203.1)
ProcEnviron:
 TERM=xterm-256color
 PATH=(custom, no user)
 LANG=en_US.UTF-8
 SHELL=/bin/bash
SourcePackage: gnome-shell
UpgradeStatus: No upgrade log present (probably fresh install)
---
ProblemType: Bug
ApportVersion: 2.20.9-0ubuntu7.14
Architecture: amd64
DisplayManager: gdm3
DistroRelease: Ubuntu 18.04
GsettingsChanges:
 b'org.gnome.shell' b'app-picker-view' b'uint32 1'
 b'org.gnome.shell' b'favorite-apps' redacted by apport
 b'org.gnome.desktop.interface' b'gtk-im-module' b"'gtk-im-context-simple'"
 b'org.gnome.desktop.interface' b'clock-format' b"'12h'"
InstallationDate: Installed on 2020-04-04 (5 days ago)
InstallationMedia: Ubuntu 18.04.4 LTS "Bionic Beaver" - Release amd64 (20200203.1)
Package: gnome-shell 3.28.4-0ubuntu18.04.3
PackageArchitecture: amd64
ProcEnviron:
 TERM=xterm-256color
 PATH=(custom, no user)
 LANG=en_US.UTF-8
 SHELL=/bin/bash
ProcVersionSignature: Ubuntu 5.3.0-46.38~18.04.1-generic 5.3.18
Tags: bionic
Uname: Linux 5.3.0-46-generic x86_64
UpgradeStatus: No upgrade log present (probably fresh install)
UserGroups:

_MarkForUpload: True

[Daniel van Vugt (vanvugt)]

Can you please clarify what this means?

> Menu for a closed window appeared pointing to the menu bar

Maybe with a screenshot?

[Seija K. (rose128)]

apport information

[Seija K. (rose128)]

apport information

[Robert (ra669180)]

Having the exact problem. Whenever I press the Super button it gets stuck and I am forced to restart making it difficult to use.

CPU: Intel Core i5-10400
GPU: Nvidia GTX 1650
OS: 21.04

[Daniel van Vugt (vanvugt)]

Robert, that problem with 21.04 is bug 1922353.

[Daniel van Vugt (vanvugt)]

It appears in meta_window_set_stack_position_no_sync that:

  g_return_if_fail (window->stack_position >= 0);

is non-fatal and has been that way for almost 10 years.

This means whatever freezes or crashes you are experiencing are happening somewhere else. Everyone please follow the instructions in https://wiki.ubuntu.com/Bugs/Responses#Missing_a_crash_report_or_having_a_.crash_attachment and open new bugs with your findings.

[Daniel van Vugt (vanvugt)]

Thank you for reporting this bug to Ubuntu.

Ubuntu 18.04 (bionic) reached end-of-standard-support on May 31, 2023.

See this document for currently supported Ubuntu releases:
https://wiki.ubuntu.com/Releases

We appreciate that this bug may be old and you might not be interested in discussing it anymore. But if you are then please upgrade to the latest Ubuntu version and re-test. If you then find the bug is still present in the newer Ubuntu version, please add a comment here telling us which new version it is in.