I have this issue on ubuntu Trusty 14.04 on / in lvm. Deleting /boot/grub/grubenv prevent this error on next boot, but grub will create this file every time boot, thus I have rm /boot/grub/grubenv in my crontab.
-- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1274320 Title: Error: diskfilter writes are not supported To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/grub2/+bug/1274320/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
