[Bug 1843109] Re: update-manager crashed with AttributeError in checkFreeSpace(): 'MyCache' object has no attribute 'quirks'

[Łukasz Zemczak]

Actually, checking this now, this *is* actually fixed since eoan. I
already worked on exactly this issue in September and pushed a fix for
it in 1:19.10.12 ubuntu-release-upgrader. Looking at the provided logs,
it seems like the user was running an old version of ubuntu-release-
upgrader (1:19.10.11). The update-manager version is also old. Looking
at the errors bucket, all of the reported issues (even the latest one
reported) have: ubuntu-release-upgrader-core 1:19.10.11 in the listed
dependencies.

So the only way I can think of making this any better is bumping the
ubuntu-release-upgrader-core version dependency on update-manager-core
to make sure people using the latest update-manager have the right
ubuntu-release-upgrader. But not sure if this will help actually in the
case of super-outdated systems? Does update-manager auto-update itself
on start?

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https://bugs.launchpad.net/bugs/1843109

Title:
  update-manager crashed with AttributeError in checkFreeSpace():
  'MyCache' object has no attribute 'quirks'

Status in update-manager package in Ubuntu:
  Confirmed
Status in update-manager source package in Eoan:
  Confirmed

Bug description:
  ...

  ProblemType: Crash
  DistroRelease: Ubuntu 19.10
  Package: update-manager 1:19.04.7
  ProcVersionSignature: Ubuntu 5.2.0-15.16-generic 5.2.9
  Uname: Linux 5.2.0-15-generic x86_64
  NonfreeKernelModules: wl
  ApportVersion: 2.20.11-0ubuntu7
  Architecture: amd64
  CurrentDesktop: ubuntu:GNOME
  Date: Fri Sep  6 05:45:30 2019
  ExecutablePath: /usr/bin/update-manager
  GsettingsChanges:
   b'com.ubuntu.update-manager' b'window-width' b'1191'
   b'com.ubuntu.update-manager' b'launch-count' b'1577'
   b'com.ubuntu.update-manager' b'first-run' b'false'
   b'com.ubuntu.update-manager' b'launch-time' b'int64 1567826530'
   b'com.ubuntu.update-manager' b'window-height' b'551'
  InstallationDate: Installed on 2019-07-23 (45 days ago)
  InstallationMedia: Ubuntu 19.04 "Disco Dingo" - Alpha amd64 (20190203)
  InterpreterPath: /usr/bin/python3.7
  PackageArchitecture: all
  ProcCmdline: /usr/bin/python3 /usr/bin/update-manager --no-update --no-focus-on-map
  ProcEnviron:
   LANG=sv_SE.UTF-8
   PATH=(custom, no user)
   SHELL=/bin/bash
   XDG_RUNTIME_DIR=<set>
   LANGUAGE=sv:en_US:en
  Python3Details: /usr/bin/python3.7, Python 3.7.4, python3-minimal, 3.7.3-1
  PythonArgs: ['/usr/bin/update-manager', '--no-update', '--no-focus-on-map']
  PythonDetails: N/A
  SourcePackage: update-manager
  Title: update-manager crashed with AttributeError in checkFreeSpace(): 'MyCache' object has no attribute 'quirks'
  UpgradeStatus: No upgrade log present (probably fresh install)
  UserGroups: adm cdrom dip lpadmin plugdev sambashare sudo

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