On 8/18/2013 9:14 PM, Thorsten Glaser wrote:
<snip>
Can you get something, maybe some console output, with
http://www.freewrt.org/~tg/f/vmlinux-3.10-2-m68k.gz
(may need to decompress first), possibly with
http://www.freewrt.org/~tg/f/mirnitrd (do not decompress)
as initrd loaded (to get a bare shell)?
This got much farther. It gets into the kernel bootlog before giving me
an error about not being able to execute init. I looked in the initrd
and I'm not seeing anything in it that resembles a root filesystem, so
I'm not sure what to pass it for an init string. My Linux-fu may have
gotten weak over the years thanks to cushy installers and package
installers, so I might be missing something here. Might be something easy.
I uploaded a video of the boot process at
http://www.youtube.com/watch?v=ZN9lmOoW_zE . If you don't feel like
trying to freezeframe it at the right spot, here's the interesting bits:
http://iamscott.net/3.1boot1.jpg
http://iamscott.net/3.1boot2.jpg <http://iamscott.net/3.1boot1.jpg>
I went ahead for broke and figured I didn't have anything to lose, so I
went ahead and untarred the m68k-base.tgz on a spare partition and tried
it. But, it appears the kernel is missing the Mac SCSI drivers (or they
aren't working). It failed to detect any drives. I see the kernel config
has the Mac SCSI drivers enabled, but maybe there's more to it. This
machine has a NCR 53C96 SCSI chip, same as all the later Quadras, so I
don't think it'd need anything special. I remember some earlier
discussion about these newer kernels requiring an initrd to run
properly, so might have something to do with it.
You might need to fiddle with boot parameters. I do not
know which ones might be applicable.
I've usually used root=/dev/ram to boot a ramdisk. Otherwise I've never
needed anything particularly special. I also tried the settings
mentioned on http://mich431.net/m68k-605.html with the same results. I
see Michael himself posted a reply as well. I was hoping to get a newer
kernel going but I may as well try his setup as well. It's at least
orders of magnitude newer than what it has now.
I do not know whether an LC475 is even supported.
In general, the LC475 is considered unsupported only because it came
with a 68LC040 with very broken FPU originally. Swapping it for a full
68040 with a full FPU (which I did) should make it run fine. I ran this
very box as my primary mail/web/ftp/dns/etc server for several years in
the late 90s and early 2000s using Woody and Sarge. It'd be a shame if
newer kernels lost support for it somehow, but progress marches on :)
Scott
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