/usr/bin/gnome-shell:gnome-shell: ../../src/xcb_io.c:260\357\274\232poll_for_event: \345\201\207\350\256\276 \342\200\230!xcb_xlib_threads_sequence_lost\342\200\231 \345\244\261\350\264\245\343\200\202

[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 3.36.3-1ubuntu1~20.04.2, the problem page at https://errors.ubuntu.com/problem/65e7872c90aaee8e9c1f64081a7e0be3ad4df60e 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/.