At 19:23 15-11-08, you wrote:
On Sat, Nov 15, 2008 at 01:19:40PM +0400, John Frankish wrote: > At
02:01 15-11-08, you wrote: > >On a mac, yaboot.conf is copied to the
apple_bootstrap partition by > >ybin, and is read during the boot
(bottom of Appendix E in the ppc64 > >book). You quite clearly
don't have this sort of partitioning. > >Google found that booting
on ps3 apparently used to need kboot, not > >yaboot. Unclear if
that was just for the initial boot. I wonder if > >ydl's version of
yaboot has been patched for the ps3 (check the > >source rpms). ?
'man yaboot.conf' on your ydl system is probably the > >best I can
suggest. Perhaps it specifically mentions the ps3 > >? Maybe try
'ofpath /dev/ps3da2' Even though your mailer is doing funny things
to the formatting, at least in replies, please read that paragraph,
and try my suggestions. (edit: at least try the ofpath command). > >
I could see that I could do this prior to compiling/installing the >
kernel, which would install the clfs kernel alongside the ydl
kernel > in /boot - but I'm kind of lost as to how to set things up
on reboot > so that the clfs kernel loads (effectively from
/dev/ps3da1) and > /clfs/sbin/pre-init gets called from /dev/ps3da2
?? > > John > From past experience, I know that trying to find ydl
source rpms is about as easy as finding hens' teeth, but a search of
their website presented me with
http://us.fixstars.com/products/ydl/apps.shtml which suggests that
yaboot is NOT the correct boot tool. Google, on the web rather than
the ydl site, was a little more helpful. If you are on ydl 6, try
ftp://ftp.yellowdoglinux.com/pub/yellowdog/releases/yellowdog-6.0/SRPMS/
I said earlier that I didn't understand the 'mountpoint' line. Maybe
I've forgotten something, because ydl's yaboot has a (rh, or fedora)
patch to "Allow mntpoint to be more than one directory into the
partition as long as magicboot and nvram are not being used"
(compare the warning in the book's yaboot.conf: # For all images,
the pathname is relative to the filesystem # on which they are
situated and can include at most one # directory - of course, we do
specify magicboot, and use nvram on a mac). BUT, I still don't think
you use yaboot to boot from ps3, or else you don't use it in the way
I expect. On a mac, and probably on pSeries and pegasos, we do it
like this: 1. add new kernel to yaboot.conf 1A. if it is on a
different partition, use ofpath to get the Open Firmware path to it
(image=/[EMAIL PROTECTED],f2000000/[EMAIL PROTECTED]/[EMAIL PROTECTED]/[EMAIL PROTECTED]/[EMAIL PROTECTED]:9,/boot/clfskernel-2.6.26.5)
for one of mine, on /dev/sda9 2. run ybin to write some OF (Forth)
code plus the contents of yaboot.conf to the bootstrap partition and
update the nvram. If you *are* using yaboot, please explain how you
use it. Please do NOT try using steps '1' and '2' above, unless you
already use them.
----------------------------
I'm using ydl-6 on the ps3 which definitely uses yaboot (maybe the
confusion comes from earlier versions of ydl which may have used
something else on the ps3). If I compile a new kernel in ydl-6, ybin
seems to be automatically invoked and yaboot.conf is automatically
updated. I can also modify yaboot.conf in ydl-6 and have the changes
(eg change the default kernel) take effect for the next boot with or
without invoking ybin...
I checked the yaboot/yaboot.conf man pages in ydl-6 - not much to see
except that "init=" does not exist as a parameter to pass
/clfs/sbin/pre-init, maybe it could be passed as "append="? The other
thing to note (as you mention above) is that it looks like I need the
full openfiremware path to the clfs image on the partition. I did not
know about "ofpath" so I guess this is the next thing to try.
Thanks for the help with this.
John
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