[Bug 2038946] Re: Lubuntu 23.10: some text became unreadable during a distribution upgrade

[Jeremy Bícha]

I only noticed this issue on the about:welcome screen which I believe
only shows the first time Firefox is ran.

I didn't see it on other about:about pages but maybe they were being run
in separate processes after the font upgrade already happened.

Simply restarting Firefox was enough to get about:welcome displaying
correctly again.

** Description changed:

  This is the Lubuntu version of LP: #2034986
  
  Test Case
  ---------
  - Install Lubuntu 23.04
  - Open a terminal and run this command then perform the upgrade to 23.10:
  do-release-upgrade -d -m desktop -f DistUpgradeViewKDE
  
  What Happens
  ------------
  The upgrader itself remained readable as did window titles etc.
  
- However, text in webpages in Firefox became unreadable. I believe that
- can be fixed by simply restarting Firefox. Therefore, I'm setting this
+ However, text in the about:welcome page in Firefox became unreadable.
+ This was fixed by restarting Firefox. Therefore, I'm setting this
  severity to Low.
+ 
+ Also seen with Kubuntu and Ubuntu Budgie.
  
  ProblemType: Bug
  DistroRelease: Ubuntu 23.10
  Package: ubuntu-release-upgrader-core 1:23.10.8
  ProcVersionSignature: Ubuntu 6.5.0-9.9-generic 6.5.3
  Uname: Linux 6.5.0-9-generic x86_64
  ApportVersion: 2.27.0-0ubuntu5
  Architecture: amd64
  CasperMD5CheckResult: unknown
  CrashDB: ubuntu
  CurrentDesktop: LXQt
  Date: Tue Oct 10 11:50:07 2023
  InstallationDate: Installed on 2023-10-10 (0 days ago)
  InstallationMedia: Lubuntu 23.04 "Lunar Lobster" - Release amd64 (20230417)
  PackageArchitecture: all
  SourcePackage: ubuntu-release-upgrader
  Symptom: ubuntu-release-upgrader
  UpgradeStatus: Upgraded to mantic on 2023-10-10 (0 days ago)
  VarLogDistupgradeXorgFixuplog:
   INFO:root:/usr/bin/do-release-upgrade running
   INFO:root:No xorg.conf, exiting

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https://bugs.launchpad.net/bugs/2038946

Title:
  Lubuntu 23.10: some text became unreadable during a distribution
  upgrade

Status in lubuntu-meta package in Ubuntu:
  New
Status in ubuntu-release-upgrader package in Ubuntu:
  New

Bug description:
  This is the Lubuntu version of LP: #2034986

  Test Case
  ---------
  - Install Lubuntu 23.04
  - Open a terminal and run this command then perform the upgrade to 23.10:
  do-release-upgrade -d -m desktop -f DistUpgradeViewKDE

  What Happens
  ------------
  The upgrader itself remained readable as did window titles etc.

  However, text in the about:welcome page in Firefox became unreadable.
  This was fixed by restarting Firefox. Therefore, I'm setting this
  severity to Low.

  Also seen with Kubuntu and Ubuntu Budgie.

  ProblemType: Bug
  DistroRelease: Ubuntu 23.10
  Package: ubuntu-release-upgrader-core 1:23.10.8
  ProcVersionSignature: Ubuntu 6.5.0-9.9-generic 6.5.3
  Uname: Linux 6.5.0-9-generic x86_64
  ApportVersion: 2.27.0-0ubuntu5
  Architecture: amd64
  CasperMD5CheckResult: unknown
  CrashDB: ubuntu
  CurrentDesktop: LXQt
  Date: Tue Oct 10 11:50:07 2023
  InstallationDate: Installed on 2023-10-10 (0 days ago)
  InstallationMedia: Lubuntu 23.04 "Lunar Lobster" - Release amd64 (20230417)
  PackageArchitecture: all
  SourcePackage: ubuntu-release-upgrader
  Symptom: ubuntu-release-upgrader
  UpgradeStatus: Upgraded to mantic on 2023-10-10 (0 days ago)
  VarLogDistupgradeXorgFixuplog:
   INFO:root:/usr/bin/do-release-upgrade running
   INFO:root:No xorg.conf, exiting

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