New F11 for XO-1.5 build 32 [#9457]

[James Cameron]

This appears to be #9457, so I've adjusted the subject line slightly.

On Wed, Oct 21, 2009 at 08:53:53PM -0500, Jerry Vonau wrote:
> On Thu, 2009-10-22 at 12:20 +1100, James Cameron wrote:
> > On Wed, Oct 21, 2009 at 07:57:13PM -0500, Jerry Vonau wrote:
> > > On Mon, 2009-10-19 at 05:13 -0400, John Watlington wrote: [?]
> > > > The expected usage model for an XO is that if there is a bootable
> > > > image on the external SD card or USB, it will be booted.   If you
> > > > want to boot from the internal SD card, either remove the external SD
> > > > card or the bootable image installed on it.
> > > > 
> > > > I don't think we want to change this model.
> > > > 
> > > > This is currently broken, due to the way that the kernel names
> > > > devices.   I believe that the proposed solution was to use udev
> > > > in the initramfs image to provide stable names.
> > > 
> > > Think the key here is to use something like set-bootpath-dev in livecd's
> > > olpc.fth to auto detect where the olpc.fth was picked up (booted?) from.
> > > This is reflected in /ofw/chosen/bootpath, can some one short-cut me to
> > > the source in ofw?
> > 
> > Not *quite* sure what you are after, but bootpath is in
> > ofw/core/bootparm.fth 
> 
> I've been playing around booting my XO with and without an external SD
> card. If I boot the external card, the internal on get mounted as /
> based on root=/dev/mmcblk0p2. While /ofw/chosen/bootpath recalls which
> device used as the source for the olpc.fth file. 

Could you have a read of #9457 in case what you have discovered is fully
covered by that bug?  http://dev.laptop.org/ticket/9457

> I was thinking that if we could parse bootpath, kind of like
> livecd-to-disk does with this...
> 
> just with a different strings to tell the difference between the
> internal and external SD cards.

I'm not sure how that would work, sorry.  It seems the issue is also
that the kernel chooses a name unpredictably.  Have a look at the
discussion on #9457.

-- 
James Cameron
http://quozl.linux.org.au/