[Script] Speeding up the debian booting with quiet-mode

Joachim Breitner nomeata at debian.org
Mon Aug 18 23:09:42 CEST 2008


Am Montag, den 18.08.2008, 19:01 +0200 schrieb Rorschach:
> Well like every linux also debian on our Freerunner boots __a lot__
> faster (several seconds) in quiet mode. I modified Joachim Breitners
> configure-uboot script in such a way that debian boots by default in
> quiet-mode and additionally I added another boot-option in uboot to
> boot without quiet-mode for debugging purposes.

Can you provider accurate measurements of the boot time? I’m surprised
that it’s that much, but if so, I think I should make your uboot
environment the default.

> I will check as soon as I have time the rootdelay option. I think 5sec
> are too much and 1sec could be sufficient for us. But I don't know for
> sure and I also don't know if the time with rootdelay is a stopping
> time: so the kernel tries 5sec long to detect our rootdevice (our
> sd-card) and as soon as he finds it he goes on or if it's a starting
> time: the kernel does 5sec nothing and first after the 5sec he tries
> to boot.

I think it’s how long uboot waits for you to enter the menu, but that’s
just guessing.

Joachim "nomeata" Breitner
Debian Developer
  nomeata at debian.org | ICQ# 74513189 | GPG-Keyid: 4743206C
  JID: nomeata at joachim-breitner.de | http://people.debian.org/~nomeata
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