----- Original Message ----
> From: bifferos <[EMAIL PROTECTED]>
> I should just point out that you can already have USB root
> in a way consistent with OpenWrt mainline and that is
> described here: http://wiki.openwrt.org/UsbStorageHowto
> if possibly a little out of date, you should get the idea.
that one is too outdated. I've actually almost suceeded to build an
image that contains the lzma-loader and kernel only.
Still it's an open issue how to change the kernel's CMDLINE in a
nice way.
> In one way it makes maintenance easier if only the kernel
> goes in the on-board flash, and everything else on the
> USB stick, but with OpenWrt the kernel changes so fast
> that I'm not sure how wise this really is (kernel modules
> have to be compatible, after all). What I'd really
> like to see (and I don't believe this would be too
> difficult) is a second-stage bootloader that actually
> pulls the kernel off the USB stick. For the Edimax
> BR-6104KP I have at least *some* of the code needed to
> do this - just haven't managed to finish it yet.
Kexec is already in the Openwrt trunk, I'll give it a try as a next
mini-project.
Then it would be a stable and minimalistic kernel on the flash, which
would immediately kexec a newest kernel from USB.
Of course, one could try to create a new loader that would only have
support for USB storage and ext3/ext2 filesystem. But that's a lot of work...
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