A black screen with an X is the Xorg server running without a shell, so
gnome-shell probably crashed. Please follow these steps:
1. Run these commands:
journalctl -b0 > journal.txt
journalctl -b-1 > prevjournal.txt
and attach the resulting text files here.
2. Look in /var/crash for crash files and if found run:
ubuntu-bug YOURFILE.crash
Then tell us the ID of the newly-created bug.
3. If step 2 failed then look at https://errors.ubuntu.com/user/ID where
ID is the content of file /var/lib/whoopsie/whoopsie-id on the machine.
Do you find any links to recent problems on that page? If so then please
send the links to us.
Please take care to avoid attaching .crash files to bugs as we are
unable to process them as file attachments. It would also be a security
risk for yourself.
** Package changed: gdm3 (Ubuntu) => gnome-shell (Ubuntu)
** Changed in: gnome-shell (Ubuntu)
Status: Confirmed => Incomplete
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You received this bug notification because you are a member of Desktop
Packages, which is subscribed to gnome-shell in Ubuntu.
https://bugs.launchpad.net/bugs/2089709
Title:
Intermittent blank screen after logging in on Ubuntu 24.04 with X11
Status in gnome-shell package in Ubuntu:
Incomplete
Bug description:
I recently upgraded from Ubuntu 22.04 to Ubuntu 24.04. Now whenever I
log in, sometimes I'll get a blank screen. It will only show the mouse
cursor as an X.
The problem seems to be intermittent. So far it's only happened to me
using X11.
My current workaround:
1. Open another terminal (e.g. Ctrl+Alt+F6)
2. Restart gdm3 (sudo systemctl restart gdm3)
This seems to be affecting many people, although I couldn't find an
existing bug: https://askubuntu.com/questions/1514757/issue-with-
ubuntu-24-04-black-screen-with-cursor-on-login
$ lsb_release -rd
No LSB modules are available.
Description: Ubuntu 24.04.1 LTS
Release: 24.04
$ apt-cache policy gdm3
gdm3:
Installed: 46.0-2ubuntu1
Candidate: 46.0-2ubuntu1
Version table:
*** 46.0-2ubuntu1 500
500 http://ca.archive.ubuntu.com/ubuntu noble/main amd64 Packages
100 /var/lib/dpkg/status
ProblemType: Bug
DistroRelease: Ubuntu 24.04
Package: gdm3 46.0-2ubuntu1
ProcVersionSignature: Ubuntu 6.8.0-48.48-generic 6.8.12
Uname: Linux 6.8.0-48-generic x86_64
NonfreeKernelModules: wl
ApportVersion: 2.28.1-0ubuntu3.1
Architecture: amd64
CasperMD5CheckResult: unknown
CurrentDesktop: ubuntu:GNOME
Date: Tue Nov 26 14:54:33 2024
InstallationDate: Installed on 2020-04-24 (1677 days ago)
InstallationMedia: Ubuntu 20.04 LTS "Focal Fossa" - Release amd64 (20200423)
SourcePackage: gdm3
UpgradeStatus: Upgraded to noble on 2024-11-15 (11 days ago)
modified.conffile..etc.default.apport: [modified]
modified.conffile..etc.init.d.apport: [modified]
mtime.conffile..etc.default.apport: 2020-05-04T10:55:44.853443
mtime.conffile..etc.gdm3.custom.conf: 2022-09-08T08:54:17.642371
mtime.conffile..etc.init.d.apport: 2024-07-22T10:59:07
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