[Bug 1790693] Re: appstreamcli crash when attempting release upgrade to cosmic

[Launchpad Bug Tracker]

*** This bug is a duplicate of bug 1785498 ***
    https://bugs.launchpad.net/bugs/1785498

Status changed to 'Confirmed' because the bug affects multiple users.

** Changed in: ubuntu-release-upgrader (Ubuntu)
       Status: New => Confirmed

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https://bugs.launchpad.net/bugs/1790693

Title:
  appstreamcli crash when attempting release upgrade to cosmic

Status in appstream package in Ubuntu:
  Confirmed
Status in ubuntu-release-upgrader package in Ubuntu:
  Confirmed

Bug description:
  (appstreamcli:7417): GLib-^[[1;35mCRITICAL^[[0m **: ^[[34m10:34:15.801^[[0m: g_variant_builder_end: assertion '!GVSB(builder)->uniform_item_types || GVSB(builder)->prev_item_type != NULL || g_variant_type_is_definite (GVSB(builder)->type)' failed^M
  ^M
  (appstreamcli:7417): GLib-^[[1;35mCRITICAL^[[0m **: ^[[34m10:34:15.802^[[0m: g_variant_new_variant: assertion 'value != NULL' failed^M
  ^M
  (appstreamcli:7417): GLib-^[[1;31mERROR^[[0m **: ^[[34m10:34:15.802^[[0m: g_variant_new_parsed: 11-13:invalid GVariant format string^M
  Trace/breakpoint trap (core dumped)^M

  ProblemType: Bug
  DistroRelease: Ubuntu 18.04
  Package: ubuntu-release-upgrader-core 1:18.04.22
  ProcVersionSignature: User Name 4.15.0-30.32-generic 4.15.18
  Uname: Linux 4.15.0-30-generic x86_64
  ApportVersion: 2.20.9-0ubuntu7.2
  Architecture: amd64
  CrashDB: ubuntu
  CurrentDesktop: ubuntu:GNOME
  Date: Tue Sep  4 10:39:20 2018
  InstallationDate: Installed on 2018-08-13 (21 days ago)
  InstallationMedia: Ubuntu 18.04 LTS "Bionic Beaver" - Release amd64 (20180426)
  PackageArchitecture: all
  ProcEnviron:
   TERM=xterm-256color
   PATH=(custom, no user)
   XDG_RUNTIME_DIR=<set>
   LANG=en_US.UTF-8
   SHELL=/bin/bash
  SourcePackage: ubuntu-release-upgrader
  Symptom: ubuntu-release-upgrader
  UpgradeStatus: Upgraded to bionic on 2018-09-04 (0 days ago)
  VarLogDistupgradeAptlog:
   Log time: 2018-09-04 10:29:56.386079
   Log time: 2018-09-04 10:29:59.174856
   Log time: 2018-09-04 10:34:17.437696
  modified.conffile..etc.update-manager.release-upgrades: [modified]
  mtime.conffile..etc.update-manager.release-upgrades: 2018-09-04T09:43:22.733910

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