Comment 2 for bug 1969351

Please update your system:

  sudo apt update
  sudo apt full-upgrade

and then ensure you have these debug symbols installed before getting a stack trace from gdb:

  https://launchpad.net/ubuntu/+archive/primary/+files/libmutter-10-0-dbgsym_42.0-3ubuntu2_amd64.ddeb

Alternatively just follow the instructions in https://wiki.ubuntu.com/Bugs/Responses#Missing_a_crash_report_or_having_a_.crash_attachment

Please also run this command to gather more system info:

  apport-collect 1969351