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Ubuntu 21.04 (hirsute) reached end-of-life on January 20, 2022.

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** Changed in: mutter (Ubuntu)
       Status: New => Won't Fix

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https://bugs.launchpad.net/bugs/1928932

Title:
  external monitor disabled upon editing file with vim

Status in Mutter:
  Unknown
Status in mutter package in Ubuntu:
  Won't Fix

Bug description:
  This is the strangest bug I've encountered in my 20+ years of linux use.
  See a video of the bug at: 
https://drive.google.com/file/d/1StYD5kbL5pLRBOc6V-TXuE5DgymTdM0R/view?usp=sharing

  Using an external monitor I am editing a Snakefile with vim and syntax
  highlighting. Under certain condition the monitor will go to sleep.

  0. download the Snakefile, vimrc, and the colorscheme that are the attached 
archive
  1. move the colorscheme to ~/.vim/colors/
  1. `vim -u vimrc Snakefile`
  2. delete one of the quotes, and see the external monitor go into sleep mode.

  Pertinent points:
  - If I disable the custom colorscheme or disable syntax highlighting there is 
no problem.
  - If I move the gnome-terminal onto the builtin display, then the external 
monitor reactivates.

  I wouldn't normally report this bug because it seems so specific to my
  setup. What is alarming is that a vim session in a gnome-terminal,
  under certain conditions, can cause the monitor to go to sleep!

  ProblemType: Bug
  DistroRelease: Ubuntu 21.04
  Package: libwayland-client0 1.18.0-2~exp1.1
  ProcVersionSignature: Ubuntu 5.11.0-17.18-generic 5.11.12
  Uname: Linux 5.11.0-17-generic x86_64
  NonfreeKernelModules: wl
  .tmp.unity_support_test.0:
   
  ApportVersion: 2.20.11-0ubuntu65
  Architecture: amd64
  BootLog: Error: [Errno 13] Permission denied: '/var/log/boot.log'
  CasperMD5CheckResult: unknown
  CompositorRunning: None
  CurrentDesktop: ubuntu:GNOME
  CurrentDmesg: Error: command ['pkexec', 'dmesg'] failed with exit code 126: 
Error executing command as another user: Request dismissed
  Date: Wed May 19 12:14:23 2021
  DistUpgraded: 2021-04-27 09:44:28,765 ERROR got error from PostInstallScript 
./xorg_fix_proprietary.py (g-io-error-quark: Failed to execute child process 
“./xorg_fix_proprietary.py”: Failed to execve: No such file or directory (1))
  DistroCodename: hirsute
  DistroVariant: ubuntu
  DkmsStatus:
   bcmwl, 6.30.223.271+bdcom, 5.11.0-16-generic, x86_64: installed
   bcmwl, 6.30.223.271+bdcom, 5.11.0-17-generic, x86_64: installed
   facetimehd, 0.1, 5.11.0-16-generic, x86_64: installed
   facetimehd, 0.1, 5.11.0-17-generic, x86_64: installed
  GraphicsCard:
   Intel Corporation Haswell-ULT Integrated Graphics Controller [8086:0a26] 
(rev 09) (prog-if 00 [VGA controller])
     Subsystem: Apple Inc. Haswell-ULT Integrated Graphics Controller 
[106b:011b]
  InstallationDate: Installed on 2021-01-19 (119 days ago)
  InstallationMedia: Ubuntu 20.10 "Groovy Gorilla" - Release amd64 (20201022)
  MachineType: Apple Inc. MacBookAir6,2
  ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-5.11.0-17-generic 
root=UUID=418e02d0-7fe0-4fe3-a1c4-ac2167ada4fe ro quiet splash vt.handoff=7
  SourcePackage: wayland
  UpgradeStatus: Upgraded to hirsute on 2021-04-27 (22 days ago)
  acpidump: Error: command ['pkexec', '/usr/share/apport/dump_acpi_tables.py'] 
failed with exit code 126: Error executing command as another user: Request 
dismissed
  dmi.bios.date: 02/22/2021
  dmi.bios.release: 0.1
  dmi.bios.vendor: Apple Inc.
  dmi.bios.version: 431.0.0.0.0
  dmi.board.asset.tag: Base Board Asset Tag#
  dmi.board.name: Mac-7DF21CB3ED6977E5
  dmi.board.vendor: Apple Inc.
  dmi.board.version: MacBookAir6,2
  dmi.chassis.type: 10
  dmi.chassis.vendor: Apple Inc.
  dmi.chassis.version: Mac-7DF21CB3ED6977E5
  dmi.modalias: 
dmi:bvnAppleInc.:bvr431.0.0.0.0:bd02/22/2021:br0.1:svnAppleInc.:pnMacBookAir6,2:pvr1.0:rvnAppleInc.:rnMac-7DF21CB3ED6977E5:rvrMacBookAir6,2:cvnAppleInc.:ct10:cvrMac-7DF21CB3ED6977E5:
  dmi.product.family: MacBook Air
  dmi.product.name: MacBookAir6,2
  dmi.product.sku: System SKU#
  dmi.product.version: 1.0
  dmi.sys.vendor: Apple Inc.
  version.compiz: compiz N/A
  version.libdrm2: libdrm2 2.4.104-1build1
  version.libgl1-mesa-dri: libgl1-mesa-dri 21.0.1-2
  version.libgl1-mesa-glx: libgl1-mesa-glx 21.0.1-2
  version.xserver-xorg-core: xserver-xorg-core 2:1.20.11-1ubuntu1
  version.xserver-xorg-input-evdev: xserver-xorg-input-evdev 1:2.10.6-2build1
  version.xserver-xorg-video-ati: xserver-xorg-video-ati 1:19.1.0-2
  version.xserver-xorg-video-intel: xserver-xorg-video-intel 
2:2.99.917+git20200714-1ubuntu1
  version.xserver-xorg-video-nouveau: xserver-xorg-video-nouveau 1:1.0.17-1

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