[Bug 1867436] Re: focal installer crashed

[Jean-Baptiste Lallement]

it's actually because a package couldn't be found 
Mar 14 14:01:46 ubuntu /plugininstall.py: Exception during installation:
Mar 14 14:01:46 ubuntu /plugininstall.py: Traceback (most recent call last):
Mar 14 14:01:46 ubuntu /plugininstall.py:   File "/usr/share/ubiquity/plugininstall.py", line 1744, in <module>
Mar 14 14:01:46 ubuntu /plugininstall.py:     install.run()
Mar 14 14:01:46 ubuntu /plugininstall.py:   File "/usr/share/ubiquity/plugininstall.py", line 62, in wrapper
Mar 14 14:01:46 ubuntu /plugininstall.py:     func(self)
Mar 14 14:01:46 ubuntu /plugininstall.py:   File "/usr/share/ubiquity/plugininstall.py", line 243, in run
Mar 14 14:01:46 ubuntu /plugininstall.py:     self.remove_extras()
Mar 14 14:01:46 ubuntu /plugininstall.py:   File "/usr/share/ubiquity/plugininstall.py", line 1463, in remove_extras
Mar 14 14:01:46 ubuntu /plugininstall.py:     self.do_remove(regular)
Mar 14 14:01:46 ubuntu /plugininstall.py:   File "/usr/share/ubiquity/plugininstall.py", line 1012, in do_remove
Mar 14 14:01:46 ubuntu /plugininstall.py:     for cachedpkg in cache:
Mar 14 14:01:46 ubuntu /plugininstall.py:   File "/usr/lib/python3/dist-packages/apt/cache.py", line 340, in __iter__
Mar 14 14:01:46 ubuntu /plugininstall.py:     pkg = Package(self, self._cache[pkgname])
Mar 14 14:01:46 ubuntu /plugininstall.py: KeyError: 'liblog-dispatch-dir-pe2l'


This is a really weird because this package 'liblog-dispatch-dir-pe2l' really doesn't exist, the right name being 'liblog-dispatch-dir-perl' 

memory or disk corruption maybe?

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https://bugs.launchpad.net/bugs/1867436

Title:
  focal installer crashed

Status in ubiquity package in Ubuntu:
  Incomplete

Bug description:
  Installer crashed trying to install from the daily live image.

  ProblemType: Bug
  DistroRelease: Ubuntu 20.04
  Package: ubiquity 20.04.6
  ProcVersionSignature: Ubuntu 5.4.0-14.17-generic 5.4.18
  Uname: Linux 5.4.0-14-generic x86_64
  NonfreeKernelModules: zfs zunicode zavl icp zcommon znvpair
  ApportVersion: 2.20.11-0ubuntu18
  Architecture: amd64
  CasperVersion: 1.441
  Date: Sat Mar 14 16:02:04 2020
  InstallCmdLine: BOOT_IMAGE=/casper/vmlinuz file=/cdrom/preseed/ubuntu.seed quiet splash ---
  LiveMediaBuild: Ubuntu 20.04 LTS "Focal Fossa" - Alpha amd64 (20200309)
  SourcePackage: ubiquity
  UpgradeStatus: No upgrade log present (probably fresh install)

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