The biggest problem I can see here is gnome-shell crashing with "XIO:
fatal IO error 4". So please add MUTTER_SYNC=1 to /etc/environment and
reboot. Then next time the problem occurs, please:

1. 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.

2. If step 1 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.

I don't think the config in comment #3 is relevant because it's invalid
("TearFree" is ignored by the "modesetting" driver because it's always
tear-free by design). You should be able to safely remove that config.


** Package changed: gdm3 (Ubuntu) => gnome-shell (Ubuntu)

** Changed in: gnome-shell (Ubuntu)
       Status: New => Incomplete

** Also affects: xorg-server (Ubuntu)
   Importance: Undecided
       Status: New

** Changed in: xorg-server (Ubuntu)
       Status: New => Incomplete

-- 
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/2106224

Title:
  I can not log in again after logging out [Xorg]

Status in gnome-shell package in Ubuntu:
  Incomplete
Status in xorg-server package in Ubuntu:
  Incomplete

Bug description:
  I use ubuntu24.04, gdm3 46.2-1ubuntu1~24.04.1, intel i5 8350U hd620.
  after I use my computer 3 hours 38 mins, I logout then I find I can not login 
in, I use xorg not wayland
  When I find out I can not login in, I use ctrl+alt+f3 to tty, use systemctl 
restart gdm3, then I find out I can login now, so I think it's gdm3's bug
  This is not the first time I can not login in, but this problem does not 
occur consistently.

  ProblemType: Bug
  DistroRelease: Ubuntu 24.04
  Package: gdm3 46.2-1ubuntu1~24.04.1
  ProcVersionSignature: Ubuntu 6.11.0-21.21~24.04.1-generic 6.11.11
  Uname: Linux 6.11.0-21-generic x86_64
  ApportVersion: 2.28.1-0ubuntu3.5
  Architecture: amd64
  CasperMD5CheckResult: pass
  CurrentDesktop: ubuntu:GNOME
  Date: Fri Apr  4 18:54:56 2025
  InstallationDate: Installed on 2025-03-22 (13 days ago)
  InstallationMedia: Ubuntu 24.04.2 LTS "Noble Numbat" - Release amd64 
(20250215)
  ProcEnviron:
   LANG=zh_CN.UTF-8
   PATH=(custom, no user)
   SHELL=/bin/bash
   TERM=xterm-256color
   XDG_RUNTIME_DIR=<set>
  SourcePackage: gdm3
  UpgradeStatus: No upgrade log present (probably fresh install)
  mtime.conffile..etc.gdm3.custom.conf: 2025-03-22T18:25:12.175449

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