[Bug 2037193] Re: ubiquity package UbuntuStudio 23.10 Beta Installation Failure

[Gene Soo]

I attempted to follow the steps in the how to verify ubuntu link
supplied in the first reply. To briefly summarize, I could not find any
indication that the process determined I had a corrupt file. I intend to
paste the intermediate command results in case someone competent to
analyze the results can confirm or correct my actions.

gene at gws-psg158:~/LinuxDistros/U2310BETA$ gpg --keyid-format long --verify SHA256SUMS.gpg SHA256SUMS
gpg: Signature made Fri 22 Sep 2023 01:44:38 AM CDT
gpg:                using RSA key 843938DF228D22F7B3742BC0D94AA3F0EFE21092
gpg: Can't check signature: No public key
gene at gws-psg158:~/LinuxDistros/U2310BETA$ gpg --keyid-format long --keyserver hkp://keyserver.ubuntu.com --recv-keys 0x46181433FBB75451 0xD94AA3F0EFE21092
gpg: key D94AA3F0EFE21092: public key "Ubuntu CD Image Automatic Signing Key (2012) <cdimage at ubuntu.com>" imported
gpg: key 46181433FBB75451: public key "Ubuntu CD Image Automatic Signing Key <cdimage at ubuntu.com>" imported
gpg: Total number processed: 2
gpg:               imported: 2


gene at gws-psg158:~/LinuxDistros/U2310BETA$ gpg --keyid-format long --verify SHA256SUMS.gpg SHA256SUMSgpg: Signature made Fri 22 Sep 2023 01:44:38 AM CDT
gpg:                using RSA key 843938DF228D22F7B3742BC0D94AA3F0EFE21092
gpg: Good signature from "Ubuntu CD Image Automatic Signing Key (2012) <cdimage at ubuntu.com>" [unknown]
gpg: WARNING: This key is not certified with a trusted signature!
gpg:          There is no indication that the signature belongs to the owner.
Primary key fingerprint: 8439 38DF 228D 22F7 B374  2BC0 D94A A3F0 EFE2 1092


gene at gws-psg158:~/LinuxDistros/U2310BETA$ gpg --keyid-format long --list-keys --with-fingerprint 0x46181433FBB75451 0xD94AA3F0EFE21092
pub   rsa4096/D94AA3F0EFE21092 2012-05-11 [SC]
      Key fingerprint = 8439 38DF 228D 22F7 B374  2BC0 D94A A3F0 EFE2 1092
uid                 [ unknown] Ubuntu CD Image Automatic Signing Key (2012) <cdimage at ubuntu.com>

pub   dsa1024/46181433FBB75451 2004-12-30 [SC]
      Key fingerprint = C598 6B4F 1257 FFA8 6632  CBA7 4618 1433 FBB7 5451
uid                 [ unknown] Ubuntu CD Image Automatic Signing Key <cdimage at ubuntu.com>

gene at gws-psg158:~/LinuxDistros/U2310BETA$ gpg --keyid-format long --verify SHA256SUMS.gpg SHA256SUMSgpg: Signature made Fri 22 Sep 2023 01:44:38 AM CDT
gpg:                using RSA key 843938DF228D22F7B3742BC0D94AA3F0EFE21092
gpg: Good signature from "Ubuntu CD Image Automatic Signing Key (2012) <cdimage at ubuntu.com>" [unknown]
gpg: WARNING: This key is not certified with a trusted signature!
gpg:          There is no indication that the signature belongs to the owner.
Primary key fingerprint: 8439 38DF 228D 22F7 B374  2BC0 D94A A3F0 EFE2 1092
gene at gws-psg158:~/LinuxDistros/U2310BETA$ sha256sum -c SHA256SUMS 2>&1 | grep OK
gene at gws-psg158:~/LinuxDistros/U2310BETA$ 


Based on the final command immediately prior, my understanding is that if no results or no explicit negative output is generated then the file contents are consistent. I do not see any evidence that my copy of the file is bad.

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https://bugs.launchpad.net/bugs/2037193

Title:
  ubiquity package UbuntuStudio 23.10 Beta Installation Failure

Status in ubiquity package in Ubuntu:
  Invalid

Bug description:
  UbuntuStudio 23.10 Beta installation crashed.

  ProblemType: Bug
  DistroRelease: Ubuntu 23.10
  Package: ubiquity 23.10.4
  ProcVersionSignature: Ubuntu 6.5.0-5.5.1-lowlatency 6.5.0
  Uname: Linux 6.5.0-5-lowlatency x86_64
  ApportVersion: 2.27.0-0ubuntu2
  Architecture: amd64
  CasperMD5CheckResult: unknown
  CasperVersion: 1.482
  Date: Sat Sep 23 16:51:08 2023
  InstallCmdLine: BOOT_IMAGE=/casper/vmlinuz file=/cdrom/preseed/ubuntustudio.seed maybe-ubiquity quiet splash ---
  LiveMediaBuild: Ubuntu-Studio 23.10 "Mantic Minotaur" - Beta amd64 (20230919)
  ProcEnviron:
   LANG=en_US.UTF-8
   LANGUAGE=en_US.UTF-8
   LC_NUMERIC=C.UTF-8
   PATH=(custom, no user)
   XDG_RUNTIME_DIR=<set>
  SourcePackage: ubiquity
  UpgradeStatus: No upgrade log present (probably fresh install)

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