U-Boot slow "uncompressing"

Michael 'Mickey' Lauer mickey at openmoko.org
Mon Jan 21 17:41:50 CET 2008

Andy Green wrote:
> Somebody in the thread at some point said:

>>> In OE we're no longer using the u-boot uncompressor, but use the
>>> one built in in the kernel, which is way faster.
>> Wah thanks Mickey, I'll change over... that explains it.

> Yep chopped decompression down to ~1s... great...


> It's ~18s from power -> rootfs mounted and init running now... that
> includes putting the splash up but with loglevel=0 so there are no boot
> messages on the LCM.

> If we set init=/bin/sh on the kernel commandline, we can actually meet
> this 20s boot time target... kinda....

Well, 20s is almost insanely tough. My N810 takes 40s.



Dr. Michael 'Mickey' Lauer | IT-Freelancer | http://www.vanille-media.de

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