I was trying to install Ubuntu 18.04 here: the 'grub-efi-amd64-signed' package failed to install into /target/
Finaly I created a new partition sdb8 efi and then Installed Linux successfully. But at the end of installation it asked me to restart and I accepted. But before it done, It gave me this messages as you can see completely on image:
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. info task xorg blocked xxx for more than 120 seconds
After forced shut-down I thrown on this state when I start my pc again:
