Re: writing OOPS/panic info to nvram?

From: J.A. Magallon (jamagallon@able.es)
Date: Wed Sep 04 2002 - 09:41:54 EST


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))
-
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@vger.kernel.org
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/



This archive was generated by hypermail 2b29 : Sat Sep 07 2002 - 22:00:21 EST