From mboxrd@z Thu Jan 1 00:00:00 1970 Date: Wed, 30 Jun 1999 18:11:50 +0200 To: "Charles A. Jolley" , linuxppc-dev@lists.linuxppc.org From: Benjamin Herrenschmidt Subject: Re: LinuxPPC R5 on PowerBook Series 1999 Message-Id: <19990630181150.008408@mail.mipsys.com> Mime-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Sender: owner-linuxppc-dev@lists.linuxppc.org List-Id: On Wed, Jun 30, 1999, Charles A. Jolley 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: Work e-mail: BenH. Web : [[ This message was sent via the linuxppc-dev mailing list. Replies are ]] [[ not forced back to the list, so be sure to Cc linuxppc-dev if your ]] [[ reply is of general interest. Please check http://lists.linuxppc.org/ ]] [[ and http://www.linuxppc.org/ for useful information before posting. ]]