From: Benjamin Herrenschmidt <bh40@calva.net>
To: "Charles A. Jolley" <charles.jolley@zeratec.com>,
linuxppc-dev@lists.linuxppc.org
Subject: Re: LinuxPPC R5 on PowerBook Series 1999
Date: Wed, 30 Jun 1999 18:11:50 +0200 [thread overview]
Message-ID: <19990630181150.008408@mail.mipsys.com> (raw)
On Wed, Jun 30, 1999, Charles A. Jolley <charles.jolley@zeratec.com> wrote:
>2. I thought I might try to get things working, or at least figure out why
>the kernel doesn't boot. The only issue is I can't get any feedback from
>the kernel on why it dies. It prints a short message when it first starts
>but then the screen goes dead before I can read it. Is there another way to
>get that information out? In fact, since there are no serial ports on this
>machine (just USB...like the iMac), how do I get any feedback from the
>kernel without functioning video? (or an OF interface to help me along,
>which is what I do in my other kernel development...)
Did you try with the "no video driver" option ?
This may also be a backlight problem, Apple love changing the way the
backlight is controlled from one model to the other. You can try
commenting out the backlight control functions in drivers/macintosh/via-pmu.c.
--
Perso. e-mail: <mailto:bh40@calva.net>
Work e-mail: <mailto:benh@mipsys.com>
BenH. Web : <http://calvaweb.calvacom.fr/bh40/>
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next reply other threads:[~1999-06-30 16:11 UTC|newest]
Thread overview: 9+ messages / expand[flat|nested] mbox.gz Atom feed top
1999-06-30 16:11 Benjamin Herrenschmidt [this message]
1999-06-30 16:46 ` LinuxPPC R5 on PowerBook Series 1999 David A. Gatwood
1999-06-30 17:15 ` John Boswell
-- strict thread matches above, loose matches on Subject: below --
1999-06-30 19:37 Charles A. Jolley
1999-06-30 16:32 Charles A. Jolley
1999-06-30 17:12 ` Stephen Edie
1999-06-30 14:01 Charles A. Jolley
1999-06-30 18:45 ` Kevyn Shortell
1999-06-30 19:28 ` Benjamin Herrenschmidt
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