gnome-shell crashed with SIGSEGV in meta_drm_buffer_ensure_fb_id() from process_mode_set() from process_entries() from meta_kms_impl_device_simple_process_update() from meta_kms_impl_device_process_update()

[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 42.2-0ubuntu0.2, the problem page at https://errors.ubuntu.com/problem/8bc8f2028dd652c4b8cced87a84331ed3044881a 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/.