[Bug 1850943] Re: GUI X session crash during update from 19.04 to 19.10

[Andreas Jung]

Possibly relevant:

Nov  1 12:55:56 firefox-VirtualBox kernel: [ 2398.255926] gdm-session-wor[733]: segfault at 0 ip 00007f585d5e8920 sp 00007ffebc0f0f08 error 4 in libglib-2.0.so.0.6000.4 (deleted)[7f585d5c6000+80000]
Nov  1 12:55:56 firefox-VirtualBox kernel: [ 2398.255939] Code: 0f 1f 84 00 00 00 00 00 66 90 48 83 ec 08 e8 57 dd fd ff 85 c0 0f 94 c0 48 83 c4 08 0f b6 c0 c3 66 2e 0f 1f 84 00 00 00 00 00 <0f> be 17 b8 05 15 00 00 84 d2 74 1c 0f 1f 40 00 89 c1 48 83 c7 01
Nov  1 12:55:56 firefox-VirtualBox kernel: [ 2398.258822] gdm3[718]: segfault at 0 ip 00007f2a92d10920 sp 00007ffcd56cd178 error 4 in libglib-2.0.so.0.6000.4 (deleted)[7f2a92cee000+80000]
Nov  1 12:55:56 firefox-VirtualBox kernel: [ 2398.258837] Code: 0f 1f 84 00 00 00 00 00 66 90 48 83 ec 08 e8 57 dd fd ff 85 c0 0f 94 c0 48 83 c4 08 0f b6 c0 c3 66 2e 0f 1f 84 00 00 00 00 00 <0f> be 17 b8 05 15 00 00 84 d2 74 1c 0f 1f 40 00 89 c1 48 83 c7 01
Nov  1 12:55:56 firefox-VirtualBox kernel: [ 2398.261801] gsd-keyboard[1227]: segfault at 0 ip 00007fc349450920 sp 00007ffcd6f8e508 error 4 in libglib-2.0.so.0.6000.4 (deleted)[7fc34942e000+80000]
Nov  1 12:55:56 firefox-VirtualBox kernel: [ 2398.261813] Code: 0f 1f 84 00 00 00 00 00 66 90 48 83 ec 08 e8 57 dd fd ff 85 c0 0f 94 c0 48 83 c4 08 0f b6 c0 c3 66 2e 0f 1f 84 00 00 00 00 00 <0f> be 17 b8 05 15 00 00 84 d2 74 1c 0f 1f 40 00 89 c1 48 83 c7 01
Nov  1 12:55:56 firefox-VirtualBox systemd[1]: gdm.service: Main process exited, code=killed, status=11/SEGV
Nov  1 12:55:56 firefox-VirtualBox systemd[1]: gdm.service: Failed with result 'signal'.
Nov  1 12:55:56 firefox-VirtualBox gnome-shell[1093]: st_label_set_text: assertion 'text != NULL' failed
Nov  1 12:55:56 firefox-VirtualBox org.gnome.Shell.desktop[1093]: GNOME Shell crashed with signal 11

** Attachment added: "syslog"
   https://bugs.launchpad.net/ubuntu/+source/ubuntu-release-upgrader/+bug/1850943/+attachment/5302062/+files/syslog

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https://bugs.launchpad.net/bugs/1850943

Title:
  GUI X session crash during update from 19.04 to 19.10

Status in ubuntu-release-upgrader package in Ubuntu:
  New

Bug description:
  I was prompted that an update to 19.10 is available so I clicked continue.
  Halfway through the update the whole GUI session crashed and I was left with a white blinking cursor and nothing more.
  Forcibly restarting in this state was a bad idea because this broke the install completely. A kernel panic very early in the boot process appeared. Recovery mode did not work, too.

  Luckily the installation is a VM, so I could easily revert to a working state.
  (VirtualBox 6.0.14 on Windows 10 Home 18.09)

  I decided to try again after uninstalling the VirtualBox Guest
  Additions but no luck - same problem.

  This worked to recover / complete the upgrade:
  ctrl+alt+f3 (in a VM [Host-Key] + f3, by default [right ctrl] + f3)
  login into the tty3 console
  sudo killall dpkg
  sudo dpkg --configure --pending
  ctrl+alt+f1
  login to the GUI session
  restart

  If it wasn't a VM it would probably have required a complete reinstall
  which is the worst possible upgrade experience.

  ProblemType: Bug
  DistroRelease: Ubuntu 19.10
  Package: ubuntu-release-upgrader-core 1:19.10.15
  ProcVersionSignature: Ubuntu 5.3.0-19.20-generic 5.3.1
  Uname: Linux 5.3.0-19-generic x86_64
  ApportVersion: 2.20.11-0ubuntu8.1
  Architecture: amd64
  CrashDB: ubuntu
  CurrentDesktop: ubuntu:GNOME
  Date: Fri Nov  1 15:41:42 2019
  InstallationDate: Installed on 2019-06-08 (145 days ago)
  InstallationMedia: Ubuntu 19.04 "Disco Dingo" - Release amd64 (20190416)
  PackageArchitecture: all
  ProcEnviron:
   TERM=xterm-256color
   PATH=(custom, no user)
   XDG_RUNTIME_DIR=<set>
   LANG=de_DE.UTF-8
   SHELL=/bin/bash
  SourcePackage: ubuntu-release-upgrader
  Symptom: ubuntu-release-upgrader
  UpgradeStatus: Upgraded to eoan on 2019-11-01 (0 days ago)
  VarLogDistupgradeTermlog:

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