kernel 2.2.17 and 2.4.0-test8 reboots

From: Mark Hindley (mh15@st-andrews.ac.uk)
Date: Sat Sep 23 2000 - 18:30:27 EST


I was having trouble booting new builds of both 2.2.17 and
2.4.0-test8. They both boot as far as

loop: registered device at major 7
PIIX4: IDE controller on PCI bus 00 dev 39
PIIX4: not 100% native mode: will probe irqs later
    ide0: BM-DMA at 0xf000-0xf007, BIOS settings: hda:pio, hdb:pio
    ide1: BM-DMA at 0xf008-0xf00f, BIOS settings: hdc:pio, hdd:pio

before spontaneously rebooting. Specifying ide or mem parameters made
no difference. It was made stranger by the fact that the stock Debian
'potato' 2.2.17 image boots and runs fine.

I have just managed to sort out a way of getting the new built kernels
to boot. It confuses me even more, but I hope it make sense to someone
out there.

I was testing the builds by booting from a floppy (made with make
bzdisk). My normal boot is from DOS with a config.sys/autoexec.bat boot menu and
loadlin. If I copy the built vmlinuz images to DOS and boot them with
loadlin automatically from autoexec.bat they go fine. However, if I enter the
loadlin command line manually in DOS I get a reboot at the same point.

I cannot see why entering the loadlin command manually is different
from using autoexec.bat. I also can't really see why booting from a
floppy should be that different from using loadlin/lilo. Does this make any sense at all?

TIA for any thoughts

Mark
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