[Bug 1920712] Re: kubuntu hirsute daily build installation fails

[Bob H]

*** This bug is a duplicate of bug 1920665 ***
    https://bugs.launchpad.net/bugs/1920665

The release of Ubuntu Gorilla had a bug which occurred when safe
graphics mode was invoked at boot up time. This was marked as 'would not
be fixed'.

When Kubuntu Hippo was released as a daily build there was no such bug,
boot and install proceeded with no problem. It appeared that the bug had
been dealt with.

At some point during March a 'safe graphics bug' reappeared, preventing
booting or installation of Kubuntu Hippo.

Was this some sort of reversion in the boot process? Kubuntu is
affected, Ubuntu is not. Did something happen to the build of Kubuntu in
March?

I am not a programmer so will not be able to tackle this problem, though
I wish I had the know-how.

I am willing to follow this and run tests on my hardware.

Although this bug is similar to one or two others, in this case boot
from the install media does not proceed to a point where installation
can be begun.

The other bugs reported seem to be on different hardware to mine. I suspect that in this regard this bug is unique.
I have an AMD m/board and an nVidia graphics card in a home built PC. My hardware does not usually throw up any problems in this way, but the use of safe grahics mode at start up is necessary.

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https://bugs.launchpad.net/bugs/1920712

Title:
  kubuntu hirsute daily build installation fails

Status in ubiquity package in Ubuntu:
  Incomplete

Bug description:
  An attempt to download and install kubuntu hirsute daily build

  format a thumb drive to fat32

  download iso kubuntu hirsute daily build 21-03-22
  checksum ok

  create media on thumb drive

  boot thumb drive
  choose start kubuntu in 'safe graphics' mode

  installation fails with message:

  "Installation failed - KDialog \n
   The installer encountered an unrecoverable error.
   A desktop session will now be run so that you may
   investigate the problem or try installing again"

   The live desktop starts up. Appears to work okay.

   Installation fails.
   Desktop live session closes properly.
  --- 
  ProblemType: Bug
  ApportVersion: 2.20.11-0ubuntu60
  Architecture: amd64
  CasperMD5CheckResult: pass
  CasperVersion: 1.460
  CurrentDesktop: KDE
  DistroRelease: Ubuntu 21.04
  InstallCmdLine: BOOT_IMAGE=/casper/vmlinuz nomodeset file=/cdrom/preseed/kubuntu.seed maybe-ubiquity quiet splash ---
  LiveMediaBuild: Kubuntu 21.04 "Hirsute Hippo" - Alpha amd64 (20210322)
  Package: ubiquity 21.04.11
  PackageArchitecture: amd64
  ProcVersionSignature: Ubuntu 5.11.0-11.12-generic 5.11.0
  Tags:  hirsute ubiquity-21.04.11 kubuntu
  Uname: Linux 5.11.0-11-generic x86_64
  UpgradeStatus: No upgrade log present (probably fresh install)
  UserGroups: adm cdrom dip lpadmin lxd plugdev sambashare sudo
  _MarkForUpload: True

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