Verified on 9.1 snapshot #237
root@node-5:~# cat /boot/grub/grub.cfg | grep console linux /vmlinuz-3.13.0-93-generic root=/dev/mapper/os-root ro console=ttyS0 net.ifnames=0 biosdevname=0 rootdelay=90 nomodeset root=UUID=64e98980-ab2e-44b4-a062-92a37ee4ed15 nomdmonddf nomdmonisw linux /vmlinuz-3.13.0-93-generic root=/dev/mapper/os-root ro console=ttyS0 net.ifnames=0 biosdevname=0 rootdelay=90 nomodeset root=UUID=64e98980-ab2e-44b4-a062-92a37ee4ed15 nomdmonddf nomdmonisw linux /vmlinuz-3.13.0-93-generic root=/dev/mapper/os-root ro recovery nomodeset console=ttyS0 net.ifnames=0 biosdevname=0 rootdelay=90 nomodeset root=UUID=64e98980-ab2e-44b4-a062-92a37ee4ed15
root@node-5:~# ll /dev/ttyS0 crw-rw---- 1 root dialout 4, 64 Sep 14 08:48 /dev/ttyS0 root@node-5:~# screendump /dev/ttyS0
Ubuntu 14.04.5 LTS node-5.test.domain.local tty1
node-5 login:
Verified on 9.1 snapshot #237
root@node-5:~# cat /boot/grub/grub.cfg | grep console 3.13.0- 93-generic root=/dev/ mapper/ os-root ro console=ttyS0 net.ifnames=0 biosdevname=0 rootdelay=90 nomodeset root=UUID= 64e98980- ab2e-44b4- a062-92a37ee4ed 15 nomdmonddf nomdmonisw
linux /vmlinuz- 3.13.0- 93-generic root=/dev/ mapper/ os-root ro console=ttyS0 net.ifnames=0 biosdevname=0 rootdelay=90 nomodeset root=UUID= 64e98980- ab2e-44b4- a062-92a37ee4ed 15 nomdmonddf nomdmonisw
linux /vmlinuz- 3.13.0- 93-generic root=/dev/ mapper/ os-root ro recovery nomodeset console=ttyS0 net.ifnames=0 biosdevname=0 rootdelay=90 nomodeset root=UUID= 64e98980- ab2e-44b4- a062-92a37ee4ed 15
linux /vmlinuz-
root@node-5:~# ll /dev/ttyS0
crw-rw---- 1 root dialout 4, 64 Sep 14 08:48 /dev/ttyS0
root@node-5:~# screendump /dev/ttyS0
Ubuntu 14.04.5 LTS node-5. test.domain. local tty1
node-5 login: