10_linux_proxy seems to be a custom config file. If you don't know why it is there, you should remove it, and reinstall grub-common, which should replace 10_linux.
-- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/998835 Title: error: unknown command "gfxmode" To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/grub2/+bug/998835/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
