On 01-06-18 11:54, Tomas Kovar wrote:
I have two suggestions:
- on UEFI systems, would it be possible to use an EFI variable to force grub menu? That
way, it would be possible to enter the menu from UEFI boot loader or shell, even if the
system itself is in non-working state or on read-only device.
That is a good idea I've added looking into this to my TODO list.
- this one is on the polish side of things: on UEFI system, when GRUB
isn't going to display anything, it should not set the text mode or clear the screen.
Currently, when UEFI runs the bootloader, it does it with graphic framebuffer. GRUB then
switches to text mode, when quiet it does nothing just displays the blinking cursor at the
mid-bottom of the screen and then the kernel takes over and switches back to graphic mode.
The user gets two ugly flashes as the modes change. Windows doesn't set or clear the
framebuffer, it displays its progress indicator on top of whatever was left by firmware
there (mostly computer manufacturer logo).
Yes that is the boot experience which we eventually want to