lkml.org 
[lkml]   [1999]   [Jul]   [4]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
/
Date
From
SubjectRe: The stability crisis

Keith Owens writes:
> Dan Hollis <goemon@sasami.anime.net> wrote:
>> On Sun, 4 Jul 1999, Keith Owens wrote:

>>> When the kernel is hung, almost all I/O hangs with it.
>>
>> So figure out a way to keep PC BIOS from mangling ram on hard reset.
>> Then dump to swap from lilo or something.
>
> You have code to do this? The BIOS bit that is, if you know a method
> for stopping a BIOS clearing memory that works on a reasonable set of
> motherboards then please tell us.

What about the 286-era return to real-mode feature? Since the 286
could not go back to real-mode without a reset, IBM added a way to
let software in RAM regain control after a processor reset. You need
to write the address of your code into the "CMOS RAM" chip.




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

\
 
 \ /
  Last update: 2005-03-22 13:52    [W:0.031 / U:0.224 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site