/usr/bin/gnome-shell:11:_cogl_unpack_bgra_8888_8:_cogl_unpack_8:_cogl_bitmap_convert_into_bitmap:_cogl_bitmap_convert:_cogl_bitmap_convert_for_upload

[errors.ubuntu.com bug bridge]

The Ubuntu Error Tracker has been receiving reports about a problem regarding gnome-shell. This problem was most recently seen with package version 3.32.0-1ubuntu1, the problem page at https://errors.ubuntu.com/problem/7700ef9eb2ee16eefb57a28cc0d72a9b11528630 contains more details, including versions of packages affected, stacktrace or traceback, and individual crash reports.
If you do not have access to the Ubuntu Error Tracker and are a software developer, you can request it at http://forms.canonical.com/reports/.