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From: Benjamin Herrenschmidt <benh@kernel.crashing.org>
To: "David A. Gatwood" <dgatwood@gatwood.net>
Cc: <linuxppc-dev@lists.linuxppc.org>
Subject: Re: G4 boot crash problems with 2.4 "stable"
Date: Wed, 13 Feb 2002 22:06:16 +0100	[thread overview]
Message-ID: <20020213210616.30410@smtp.wanadoo.fr> (raw)
In-Reply-To: <Pine.LNX.3.96.1020213125526.27925B-100000@gatwood.net>


>> >Is there a 2.4 kernel source tarball around that is known to boot on
>> >Sawtooth (using BootX)?  Is there a way to yank the OpenPIC support?
>>
>> BootX isn't supported on any newworld mac. You should boot from OF,
>> using yaboot.
>
>BootX works fine for me with every 2.2 kernel I've tried.  It only fails
>for 2.4 TOT builds.  I very much doubt the boot mechanism is at fault.

Well, it can be for various reasons. For example, the interrupt tree
cannot be properly parsed, we don't get the OF "phandles" and we now
rely on them (MacOS don't keep them when it gets the device-tree).
Also, some bus mastering devices aren't properly shut down, potentially
screwing things up in memory while the kernel loads.

I would really recommend you give a try to yaboot before investigating
much further.

(Note: I do have a sawtooth here which just works with latest kernels)

Ben.


** Sent via the linuxppc-dev mail list. See http://lists.linuxppc.org/

  reply	other threads:[~2002-02-13 21:06 UTC|newest]

Thread overview: 10+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2002-02-11 22:37 performance monitor exceptions Werner Almesberger
2002-02-12 12:55 ` benh
2002-02-12 18:33   ` Werner Almesberger
2002-02-13 11:14     ` Anton Blanchard
2002-02-13 12:48       ` benh
2002-02-13 19:01         ` G4 boot crash problems with 2.4 "stable" David A. Gatwood
2002-02-13 19:07           ` benh
2002-02-13 21:09             ` David A. Gatwood
2002-02-13 21:06               ` Benjamin Herrenschmidt [this message]
2002-02-13 23:48           ` Ethan Benson

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