That's may be interesting to this ticket.
If one use Ubuntu LIVECD which has linux kernel version 4.15.0-20.21-generic 4.15.17, than the current issue boot errors doesn't appear in console log and operating system boots fine.
That's may be interesting to this ticket.
If one use Ubuntu LIVECD which has linux kernel version 4.15.0- 20.21-generic 4.15.17, than the current issue boot errors doesn't appear in console log and operating system boots fine.