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From: Marc Zyngier <maz@misterjones.org>
To: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Cc: linuxppc-dev@ozlabs.org
Subject: Re: v2.6.13.4 : Bad page state at prep_new_page when booting with quik
Date: Sat, 22 Oct 2005 10:44:03 +0200	[thread overview]
Message-ID: <wrpoe5ij60c.fsf@wild-wind.fr.eu.org> (raw)
In-Reply-To: <1129934528.7919.15.camel@gaston> (Benjamin Herrenschmidt's message of "Sat, 22 Oct 2005 08:42:08 +1000")

>>>>> "BenH" == Benjamin Herrenschmidt <benh@kernel.crashing.org> writes:

BenH> Hrm... another thing you can do is have a look at the
BenH> init_bandit() routine. It does:

[...]

BenH> What is the value of "magic" in both cases ?

It says 0x17 in both case...

BenH> As for the rest, well, printing out the various addresses where
BenH> the kernel is copied and/or decompresses itself may help...

Will try that next. I also started diving into quik sources...

One more data point : kernel loaded with quik works just fine on a
7500 with a 604e@200 CPU. So it looks like it is some particular
firmware/hardware combinaison that triggers this failure mode.

BenH> Have you tried also netbooting directly vmlinux.coff ? (boot
BenH> enet: might work on OldWorld OF, you'll need a bootp server)
BenH> That works with some oldworlds, not all, depends if they have a
BenH> working ethernet driver in OF.

Nope. The poor thing doesn't even have an integrated ethernet to start
with (nor its official Apple counterpart)...

Stay tuned ;-)

	M.
-- 
And if you don't know where you're going, any road will take you there...

      reply	other threads:[~2005-10-22  8:44 UTC|newest]

Thread overview: 7+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2005-10-20 17:53 v2.6.13.4 : Bad page state at prep_new_page when booting with quik Marc Zyngier
2005-10-21  4:38 ` Benjamin Herrenschmidt
2005-10-21 18:08   ` Marc Zyngier
2005-10-21 18:36     ` Mark Guertin
2005-10-21 18:52       ` Marc Zyngier
2005-10-21 22:42     ` Benjamin Herrenschmidt
2005-10-22  8:44       ` Marc Zyngier [this message]

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