I have just upgraded to LM 21 (Cinnamon) and a small problem appears.
After entering my login-password, the screen is black with the mouse in the middle; mouse moves normally by the way.
Everything starts after 2 or 3 minutes, without any internet connexion. It is an ethernet (wire) connexion that (used to) connects automatically.
In order to get internet working, I have to start GUFW and enable it (strangely, it is disabled on every start). I checked on the
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/etc/ufw/ufw.conf
Once this is done, everything works normally.
Question then as it seems to me that UFW is part of the system now, is it safe to remove and purge GUFW / UFW and then re install it ?
Could it be something else in the systemd process that cause this issue ? (I have these services that failed on boot : casper-md5check.service,
modprobe@efi_pstore.service, modprobe@pstore.service, modprobe@pstore_zone.service, modprobe@ramoops.service, but they don't really look related
to my current problem).
Another upgrade to LM 21 (Mate) on the same computer didn't result in the same issue.
Thanks a lot for your help.