Re: How to debug boot sequence?

Martin Mares (mj@atrey.karlin.mff.cuni.cz)
Fri, 10 Apr 1998 13:02:57 +0200


Hi,

> I have a problem with a diskless, remote booted machine whose
> BIOS supports BOOTP.
> With nearly all Kernels, booting gets to the 'Loading Linux........'
> stage and then instantly rebooting the System (looping forever).
> Exceptions are 2.0.31 and 2.1.93 (the only tested 2.1.x kernel) which
> get to 'Uncompressing Linux...' and halting with
> 'Invalid compressed format (err=1)'
> How can I debug this things further? I looked at lib/inflate.c, where
> this message comes from, but no clue what happens. Even
> arch/i386/boot/compress/misc.c doesn't tell me much.

It seems the kernel image gets corrupted. Try booting the same image
from a floppy.

Have a nice fortnight

-- 
Martin `MJ' Mares   <mj@ucw.cz>   http://atrey.karlin.mff.cuni.cz/~mj/
Faculty of Math and Physics, Charles University, Prague, Czech Rep., Earth
"Always remember that you are absolutely unique ... just like everyone else."

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