[Bug 1977790] Re: Window could be glitched with Intel + NVIDIA GPU laptops, and prime-select set to intel

[Yao Wei]

** Description changed:

  [Summary]
  Firefox on Ubuntu 20.04 (99.0build2-0ubuntu0.20.04.2) window could be glitched with laptops with Intel + NVIDIA GPU, and prime-select set to intel.
  
  Either setting gfx.x11-egl-force-disabled to true in about:config, or
  setting prime-select to on-demand or nvidia, makes the issue
  unreproducible.
  
- Note that through GUI, prime-select cannot be set to intel.
+ Note that through nvidia-settings GUI, prime-select cannot be set to
+ intel.
  
  Reproducibility: 1/8
  
  [Reproduce Steps]
  1. Run `sudo prime-select intel` in Terminal then reboot
  2. Open Firefox window
  3. Close Firefox window
  4. Repeat until window is glitched (usually Firefox being transparent except the borders of the window)
  
  [Results]
  Expected: Firefox should not have its window glitched
  Actual: Firefox is glitched with window being transparent but the border, and every window on top of it draws on the Firefox window.  Video attached.
- --- 
+ ---
  ProblemType: Bug
  AddonCompatCheckDisabled: False
  ApportVersion: 2.20.11-0ubuntu27.23
  Architecture: amd64
  AudioDevicesInUse:
-  USER        PID ACCESS COMMAND
-  /dev/snd/controlC0:  u          1753 F.... pulseaudio
+  USER        PID ACCESS COMMAND
+  /dev/snd/controlC0:  u          1753 F.... pulseaudio
  BuildID: 20220330194208
  CasperMD5CheckResult: skip
  Channel: Unavailable
  DistributionChannelDescriptor:
-  # This is the distribution channel descriptor for the OEM CDs
-  # For more information see http://wiki.ubuntu.com/DistributionChannelDescriptor
-  canonical-oem-somerville-focal-amd64-20200502-85+fossa-spearow-14p+X215
+  # This is the distribution channel descriptor for the OEM CDs
+  # For more information see http://wiki.ubuntu.com/DistributionChannelDescriptor
+  canonical-oem-somerville-focal-amd64-20200502-85+fossa-spearow-14p+X215
  DistroRelease: Ubuntu 20.04
  ForcedLayersAccel: False
  InstallationDate: Installed on 2022-05-25 (12 days ago)
  InstallationMedia: Ubuntu 20.04 "Focal" - Build amd64 LIVE Binary 20200502-05:58
  IpRoute:
-  default via 10.102.142.1 dev enp0s31f6 proto dhcp metric 100 
-  default via 10.102.136.1 dev wlp0s20f3 proto dhcp metric 600 
-  10.102.136.0/22 dev wlp0s20f3 proto kernel scope link src 10.102.139.188 metric 600 
-  10.102.142.0/23 dev enp0s31f6 proto kernel scope link src 10.102.142.246 metric 100 
-  169.254.0.0/16 dev wlp0s20f3 scope link metric 1000
+  default via 10.102.142.1 dev enp0s31f6 proto dhcp metric 100
+  default via 10.102.136.1 dev wlp0s20f3 proto dhcp metric 600
+  10.102.136.0/22 dev wlp0s20f3 proto kernel scope link src 10.102.139.188 metric 600
+  10.102.142.0/23 dev enp0s31f6 proto kernel scope link src 10.102.142.246 metric 100
+  169.254.0.0/16 dev wlp0s20f3 scope link metric 1000
  NoProfiles: True
  NonfreeKernelModules: nvidia_modeset nvidia
  Package: firefox 99.0+build2-0ubuntu0.20.04.2
  PackageArchitecture: amd64
  ProcEnviron:
-  TERM=xterm-256color
-  PATH=(custom, no user)
-  LANG=en_US.UTF-8
-  SHELL=/bin/bash
+  TERM=xterm-256color
+  PATH=(custom, no user)
+  LANG=en_US.UTF-8
+  SHELL=/bin/bash
  ProcVersionSignature: Ubuntu 5.14.0-1034.37-oem 5.14.21
  PulseList: Error: command ['pacmd', 'list'] failed with exit code 1: No PulseAudio daemon running, or not running as session daemon.
  RunningIncompatibleAddons: False
  Tags:  focal
  Uname: Linux 5.14.0-1034-oem x86_64
  UpgradeStatus: No upgrade log present (probably fresh install)
  UserGroups: N/A
  _MarkForUpload: True
  dmi.bios.date: 05/16/2022
  dmi.bios.release: 1.3
  dmi.bios.vendor: Dell Inc.
  dmi.bios.version: 1.3.2
  dmi.board.vendor: Dell Inc.
  dmi.chassis.asset.tag: RAID
  dmi.chassis.type: 10
  dmi.chassis.vendor: Dell Inc.
  dmi.modalias: dmi:bvnDellInc.:bvr1.3.2:bd05/16/2022:br1.3:svnDellInc.:pnPrecision3470:pvr:rvnDellInc.:rn:rvr:cvnDellInc.:ct10:cvr:sku0BC1:
  dmi.product.family: Precision
  dmi.product.name: Precision 3470
  dmi.product.sku: 0BC1
  dmi.sys.vendor: Dell Inc.

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https://bugs.launchpad.net/bugs/1977790

Title:
  Window could be glitched with Intel + NVIDIA GPU laptops, and prime-
  select set to intel

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