Just to add, this bug is affecting Ubuntu 12.04 LTS (x64). It is basically making it impossible for me to lower the GRUB countdown value from 10 seconds to 5;
damir@damir-macbook:~$ sudo gedit /etc/default/grub damir@damir-macbook:~$ sudo update-grub Generating grub.cfg ... Warning: Setting GRUB_TIMEOUT to a non-zero value when GRUB_HIDDEN_TIMEOUT is set is no longer supported. Found linux image: /boot/vmlinuz-3.5.0-48-generic Found initrd image: /boot/initrd.img-3.5.0-48-generic Found memtest86+ image: /boot/memtest86+.bin Found Mac OS X on /dev/sda2 Found Windows 7 (loader) on /dev/sda4 done damir@damir-macbook:~$ uname -a Linux damir-macbook 3.5.0-48-generic #72~precise1-Ubuntu SMP Tue Mar 11 20:09:08 UTC 2014 x86_64 x86_64 x86_64 GNU/Linux -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1258597 Title: Warning: Setting GRUB_TIMEOUT to a non-zero value when GRUB_HIDDEN_TIMEOUT is set is no longer supported. To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/grub2/+bug/1258597/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs