Ubuntu
grub2 package

  1. Bug #1258597
  2. Comment #32

Comment 32 for bug 1258597

Revision history for this message
Aimo Ella (aimo-ella) wrote : Re: Warning: Setting GRUB_TIMEOUT to a non-zero value when GRUB_HIDDEN_TIMEOUT is set is no longer supported.

How can this take so much time? The problem is very simple: you have included grub settings that grub does not support anymore. All you need to do is to update the template for grub settings to include only supported settings. No more than that.