Thanks for all that. It appears to be a kernel crash which at least
indirectly looks related to the Nvidia driver version 390.
** Summary changed:
- Screen freeze
+ [nvidia] Screen freeze
** Package changed: gnome-shell (Ubuntu) => nvidia-graphics-drivers-390
(Ubuntu)
** Changed in:
And it occurred a second time, just a few minutes after I posted the
previous message. in case it is useful, I attach the output from dmesg
created while the UI was frozen, also the Xorg.log and another copy of
the output from journalctl -b-1 > prevboot.txt
Again the freeze corresponded with a
As requested I am adding the output from journalctl -b-1 > prevboot.txt
Just to add some further info:
* I reinstalled my Ubuntu system yesterday back to the same version (my wifi
and bluetooth were not working and I could find no way to get them back, so
this freeze has happened with a
1. Look in /var/crash for crash files
There are files in /var/crash but dated June 15 2021, one from
_usr_lib_slack_slack and one from _opt_google_chrome_chrome. Nothing from 21
June (yesterday) when the issue last happened.
2. If step 1 failed then look at https://errors.ubuntu.com/user/ID
Please also:
* Check the 'Extensions' app to ensure you don't have any extensions
other than the three Ubuntu extensions. Any others should be removed,
then log in again.
* Next time the problem happens, wait 10 seconds, reboot and then run:
journalctl -b-1 > prevboot.txt
and attach the
