The error message is: Setting up grub-pc (1.98-1ubuntu12) ... /etc/default/grub: 9: acpi=linux: not found dpkg: error processing grub-pc (--configure): subprocess installed post-installation script returned error exit status 127
It looks like you have bad data in /etc/default/grub. I don't where it comes from so I reassign to grub2 but it might well be a mistake of your part. In that case, please mark the bug as invalid. ** Package changed: dpkg (Ubuntu) => grub2 (Ubuntu) -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/803723 Title: package grub-pc 1.98-1ubuntu12 failed to install/upgrade: subprocess installed post-installation script returned error exit status 127 To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/grub2/+bug/803723/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs