Hi Dexuan, You might want to try this again. There were some delays in completely processing all the required files for this SRU, which may have translated in it not being available when you tried.
Judging from deploying a VM here with bionic-proposed enabled, it should be available now: ubuntu@civil-eft:~$ apt policy grub2-common grub2-common: Installed: 2.02~beta2-36ubuntu3.22 Candidate: 2.02~beta2-36ubuntu3.22 Version table: *** 2.02~beta2-36ubuntu3.22 100 -1 http://archive.ubuntu.com/ubuntu xenial-proposed/main amd64 Packages 100 /var/lib/dpkg/status 2.02~beta2-36ubuntu3.21 500 500 http://archive.ubuntu.com/ubuntu xenial-updates/main amd64 Packages 2.02~beta2-36ubuntu3 500 500 http://archive.ubuntu.com/ubuntu xenial/main amd64 Packages -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1826453 Title: Grub2 Booting in blind mode due to "invalid video mode specification `text'" To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/grub2/+bug/1826453/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs