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Date: Sat, 4 Jun 2011 00:36:02 +0200
From: Giuliano Pochini <pochini@shiny.it>
To: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Subject: Re: PROBLEM: 2.6.39 =?UTF-8?Q?doesn=E2=80=99t?= boot on POWER MAC
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Cc: linuxppc-dev@lists.ozlabs.org, Andrey Gusev <ronne@list.ru>,
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On Fri, 03 Jun 2011 13:10:45 +1000
Benjamin Herrenschmidt <benh@kernel.crashing.org> wrote:

> On Fri, 2011-06-03 at 12:41 +1000, Benjamin Herrenschmidt wrote:
> > On Fri, 2011-06-03 at 00:00 +0200, Giuliano Pochini wrote:
> > > On Sat, 28 May 2011 11:55:14 +0400
> > > Andrey Gusev <ronne@list.ru> wrote:
> > > 
> > > > Hi!
> > > > A kernel 2.6.39 doesn't boot on my POWER MAC G4.
> > > 
> > > Same problem with my dual-G4 MDD. A few more infos:
> > > The machine hangs just after the message "Returning from prom_init" (still
> > > in the OF screen).
> > > The kernel works fine with the option maxcpus=1, but it locks up as soon as
> > > I try to enable the second CPU with echo 1 > /sys.../online.
> > 
> > I just verified that current upstream 3.0-rc1+ does boot fine.
> 
> The fix is:
> 
>   c560bbceaf6b06e52f1ef20131b76a3fdc0a2c19
>   powerpc/4xx: Fix regression in SMP on 476
> [...]

Yes, that patch fixed the problem. Thanks.


-- 
Giuliano.