Re: writing OOPS/panic info to nvram?

J.A. Magallon
2002-09-04T14:37:42Z

On 2002.09.04 Alan Cox wrote:
>On Wed, 2002-09-04 at 15:08, J.A. Magallon wrote:
>> Instead of swap, let user specify a partition to raw dump there. If a user
>> wants crash dumps, he has to leave some small disk space free and give an
>> option like "dump=/dev/hda7".
>
>With what will you write it - not the linux block layer thats for sure.
>Ingo has patches for doing network dumps which are kind of neat
>

Ah, ther is no way to write raw blocks at a very low level to disk...??
LKCD at least writes to a floppy, doesn't it.?
Say you just need one block for the dump. Could you get the block location
(H/C/S) on boot and tell the bios to write a chunk there on crash ?

--
J.A. Magallon <jamagallon@able.es> \ Software is like sex:
werewolf.able.es \ It's better when it's free
Mandrake Linux release 9.0 (Cooker) for i586
Linux 2.4.20-pre5-j0 (gcc 3.2 (Mandrake Linux 9.0 3.2-1mdk))