Re: Minimal powerpc kernel, miboot users please test (Was Re: modularized powerpc kernel)

["Chris Tillman" <toff1@cox.net>]

On Wed, Oct 29, 2003 at 08:17:34AM +0100, Sven Luther wrote:
> On Tue, Oct 28, 2003 at 08:41:18PM -0700, Chris Tillman wrote:
> > On Fri, Oct 24, 2003 at 11:42:22AM +0200, Gaudenz Steinlin wrote:
> > > Am Fre, den 24.10.2003 schrieb Chris Tillman um 08:15:
> > > > On Thu, Oct 23, 2003 at 06:14:29PM +0200, Sven Luther wrote:
> > > 
> > > > 
> > > > Aha! I got a working kernel. I guess I know more than I think I do :)
> > > > 
> > > > Here is the diff for the config, from your -small config. I really
> > > > don't know which of these were essential, I ended up with only 59k
> > > > free space on the floppy. But I guess that's enough.
> > > For now it is. Altough I think most of the options you enabled are not
> > > necessary. Could you test, if the keyboard also works for loading the
> > > initrd when you only enable these two settings:
> > > > -CONFIG_INPUT_KEYBDEV=m
> > > > -CONFIG_INPUT_MOUSEDEV=m
> > > > +CONFIG_INPUT_KEYBDEV=y
> > > > +CONFIG_INPUT_MOUSEDEV=y
> > 
> > I tried several times to make kernels witha smaller set of options,
> > but they all failed to boot, or else panicked after booting. I guess I
> > got very lucky the first time. I'm sure we must not need IDE and SCSI
> > drivers, but I didn't have any luck with the them left out.
> 
> > I still had no luck with the 9500, either. The 2.2.20 kernel boots,
> > but all 2.4 kernels give the same result: the video is not switched on
> > in Linux. Many of the 2.4 kernels boot, I can type in my root login
> > and 'reboot' blind, and the computer reboots. But they don't drive
> > video. The 9500 is different from many Macs in that its video board is
> > not built-in, but instead hangs off the PCI bus. This may have
> > something to do with the problem.
> 
> Can you post a lspci output when running the 2.2.20 kernel ? This sounds
> suspiciously like a missing fbdev driver for the graphic board.

It says it is a Mach64GX, and I have CONFIG_FB_ATY_GX compiled in to 
all the ones I've tried; I assume that's the one.

00:0b.0 Host bridge: Apple Computer Inc. Bandit PowerPC host bridge (rev 02)
00:0f.0 VGA comppatible controller: ATI Technolgies Inc 210888GX [Mach64 GX] (rev 02)
00:10.0 Class ff00: Apple Computer Inc. Grand Central I/O (rev 02)

-- 
Debian GNU/Linux Operating System
  By the People, For the People
Chris Tillman (a people instance)
   toff one at cox dot net