Delivery to the following recipient failed permanently:gabrielh wrote:Please contact firstname.lastname@example.org
Technical details of permanent failure:
DNS Error: Domain name not found
I also found these:zphd wrote:No I am not. the keyboard is not responsible at all, I am not even able to switch the caps-lock or num-lock or scroll-lock, the leds do not react on it.gabrielh wrote:Are you able to open a console (by pressing Ctrl + Alt + F2 key) during the "hang up" event?zphd wrote:thank you guys for the answer.
yes I did install those packages. actually there is no any issues before installing them (no/partial hw acceleration of course) but after installing them the system hangs after boot in a random moment and only hw reset helps.
this bug may be related to my problem:
https://bugs.launchpad.net/ubuntu/+sour ... bug/998996