On 03/11/2013 04:56 PM, Lennart Poettering wrote:
On Mon, 11.03.13 21:40, Björn Persson (bjorn@rombobjörn.se) wrote:
Lennart Poettering wrote:
If some text like "Press Esc now to choose which operating system to
boot." would be displayed, then the pause would need to be long enough
for the user to read and understand the instruction and then reach for
the right key – and the terser the text is made the harder it will be to
understand. I estimate that at least 15 seconds would be needed. Adding
"Press Enter to save a few seconds." would make it even more text to
read and understand.
Yikes. On a modern system the BIOS POST finishes within 500ms, and
kernel+userspace in 2s. And you want us to spend 15s for nothing in the
boot loader, for a feature only the fewest people need, and those who
need anyway know how to get?
No, those 15 seconds were my argument for why it should NOT be done
that way. As I already wrote, if the Grub menu is simply displayed,
then five seconds is enough. Much better. And if you want to save those
five seconds you just need to press Enter.
No, 0s are about enough. Press some key while boot up your machine,
that's fine.
So just to clarify, just have a key (or keys) that need to be *held
down* when you turn on your machine, that brings up GRUB? This is a
great approach!
--ryanlerch
(And on EFI systems that do not initialize USB anymore during POST, you
have to go through the OS to get into the boot loader anyway...)
Lennart
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