Re: /dev/sr0 problem on USB
I have just booted using my usb thumb drive with todays daily build made with USB Startup Disk Creator. I get the same errors you are seeing but it still boots. I am running nvidia so I get a dialog box to that it must be run in low res. After answering that I get a login box that you cannot find the right password for. I found this in the Lucid Lynx Testing and Discussion forum.
Originally Posted by gibbylinks
I waited until the login screen appeared, then switched using "ctrl+alt+f1" to a new screen.
after that it was
I switched back to "ctrl+alt+f8" and was able to login and start the installer program which is under "system->administration"
sudo useradd -d /home/username -m username
sudo passwd username
sudo adduser username admin
What I did find is that because it is a thumb drive if you reboot after that it will take you the login screen and all you have to do then is enter your password.
Hope this helps Bill
LINUX Flight Simulator Machine - AMD 8-Core FX-8350 - Antec KUHLER H2O 920 - 32G Ram - Nvidia GeForce GTX 780 PCI/Express 6144 MB - Driver Version 340.76 - Asus VE278 - Ubuntu 64 bit 12.04 - 14.04 - 15.10-X-Plane 10.36rc1