Please collect a log from the previous boot where it froze:
journalctl -b-1 > prevboot.txt
and create a new bug with that file attached.
Also check for /var/crash files and create new bugs for each using 'ubuntu-bug'.
Please collect a log from the previous boot where it froze:
journalctl -b-1 > prevboot.txt
and create a new bug with that file attached.
Also check for /var/crash files and create new bugs for each using 'ubuntu-bug'.