Shell crashed during upgrade from Eoan to Focal

[Marcus Tomlinson]

I was testing an upgrade from eoan to focal via `update-manager -d -c` and at some point during the upgrade I got a blank screen with flashing cursor.

In the journal [1] I can see:

Apr 23 17:28:06 marcustomlinson gnome-shell[1421]: GNOME Shell crashed with signal 11
Apr 23 17:28:06 marcustomlinson gnome-shell[1421]: == Stack trace for context 0x556cbbb1e340 ==
Apr 23 17:28:06 marcustomlinson gnome-shell[1421]: st_label_set_text: assertion 'text != NULL' failed

[1] https://paste.ubuntu.com/p/Bnp5M9XWYP/

[Ubuntu QA Website (ubuntuqa)]

This bug has been reported on the Ubuntu ISO testing tracker.

A list of all reports related to this bug can be found here:
http://iso.qa.ubuntu.com/qatracker/reports/bugs/1874491

[Marcus Tomlinson (marcustomlinson)]

Manage to grab a stack trace.

[Marcus Tomlinson (marcustomlinson)]

Forgot to mention, the crash occurred in thread 1.

May be related to this: https://bugs.launchpad.net/ubuntu/+source/accountsservice/+bug/1841382