2.6.15 failure on power4 iSeries

[Michael Ellerman]

On Tue, 17 Jan 2006 10:35, will schmidt wrote:
> attempting to boot current kernels on a power4 iSeries doesnt work.  have
> tried both the powerpc-git tree and the torvalds-git tree.
>
> OS/400 RefCode is "C200 82FF".  (which means nothing to me :-)

C20082FF VSP IPL complete successfully

> no console output at all.

Enable early debugging for iSeries (now via Kconfig, under Kernel hacking), 
then enable DEBUG in platforms/iseries/* and kernel/setup_64.c, then when it 
dies hit "ctrl-x ctrl-x" and see if you get any output.

> did a bunch of git bisects in the torvalds tree to try and narrow this
> down. came up with this:
> -----
> cc5d0189b9ba95260857a5018a1c2fef90008507 is first bad commit
> diff-tree cc5d0189b9ba95260857a5018a1c2fef90008507 (from
> 9cf84d7c97992dbe5360b241327341c07ce30fc9) Author: Benjamin Herrenschmidt
> <benh at kernel.crashing.org>
> Date:   Tue Dec 13 18:01:21 2005 +1100
>
>      [PATCH] powerpc: Remove device_node addrs/n_addr

Hmm, that doesn't touch iSeries code at all - but anything's possible I guess.

cheers

-- 
Michael Ellerman
IBM OzLabs

email: michael:ellerman.id.au
inmsg: mpe:jabber.org
wwweb: http://michael.ellerman.id.au
phone: +61 2 6212 1183 (tie line 70 21183)

We do not inherit the earth from our ancestors,
we borrow it from our children. - S.M.A.R.T Person
-------------- next part --------------
A non-text attachment was scrubbed...
Name: not available
Type: application/pgp-signature
Size: 189 bytes
Desc: not available
Url : http://ozlabs.org/pipermail/linuxppc64-dev/attachments/20060117/db26d84b/attachment.pgp