Thanks for the bug report. Next time the freeze happens, after rebooting please run:
journalctl -b-1 > prevboot1.txt journalctl -b-2 > prevboot2.txt
and then attach the resulting text files here.
Please also check for crashes using these instructions: https://wiki.ubuntu.com/Bugs/Responses#Missing_a_crash_report_or_having_a_.crash_attachment
Thanks for the bug report. Next time the freeze happens, after rebooting please run:
journalctl -b-1 > prevboot1.txt
journalctl -b-2 > prevboot2.txt
and then attach the resulting text files here.
Please also check for crashes using these instructions: https:/ /wiki.ubuntu. com/Bugs/ Responses# Missing_ a_crash_ report_ or_having_ a_.crash_ attachment