Thread (16 messages) 16 messages, 6 authors, 2011-04-17

Re: [regression] 2.6.39-rc[1-3] fail to boot on G5 PowerMac

From: Hugh Dickins <hughd@google.com>
Date: 2011-04-14 21:25:43
Also in: lkml

On Thu, Apr 14, 2011 at 2:02 AM, Michel D=C3=A4nzer [off-list ref] wr=
ote:
On Mit, 2011-04-13 at 18:43 -0500, kevin diggs wrote:
quoted
On Wed, Apr 13, 2011 at 6:21 PM, Benjamin Herrenschmidt
[off-list ref] wrote:
quoted
On Wed, 2011-04-13 at 12:52 -0500, kevin diggs wrote:
quoted
quoted
Actually I do get a crash in X later on... something in the radeon
DRM
quoted
interrupt code is getting what looks like a NULL dereference. I'll
try
quoted
to dig that one later on. I don't know if it's related to your
problem
quoted
at all though.
In this context, what does 'crash' mean? The X thingy goes down? Or
the whole OS?
Depends, with xmon enabled you get into xmon :-) Dunno if the oops is
fatal but it could be.

Cheers,
Ben.
As I think I have the same hardware as you (7,3, radeon 9600) If you
can tell me how to reproduce it maybe I can poke around a little.
Thus, at least temporarily, freeing you up for other stuff.

I kinda need a break from fighting with GCC.
FWIW, the problem Ben refers to might be fixed in current mainline by
commit d87dfdbfc91c5e37288e7e8f7afdd992ba61a60d which reverts
69a07f0b117a40fcc1a479358d8e1f41793617f2 .
Mikael,

Something worth trying: turn off CONFIG_IDE.  That's what I need to
boot 2.6.39-rc[1-3] on PowerPC G5.

I know Jens has been fixing problems with IDE versus his plug/unplug
changes, but it's still not fixed for me in rc3.

In other mail http://lkml.org/lkml/2011/4/14/614
I see Linus recommending his post-rc3 commit 6631e635c65d
but I've not tried that myself yet.

Hugh
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