lkml.org 
[lkml]   [1997]   [Feb]   [11]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
/
Date
From
SubjectRe: Linux and virili (was BOUNCED something, something
>What would be the risks in making the registers writable by anyone who has
>the rights to open the VGA device? The only two I can think of are 1) that
>someone might be able to peek at the contents of the console screen and 2)
>that someone could write a hostile program to block others from using the
>console.

There is also risk 3) The display could be damaged physically. Yes, some
(bigger) displays can be even damaged by setting bad values in VGA control
signal frequency registers.

| Tuukka Toivonen <tuukkat@stekt.oulu.fi>
| Homepage: http://stekt.oulu.fi/~tuukkat/
| Try also finger -l tuukkat@stekt.oulu.fi
| Studying information engineering at the University of Oulu
+-----------------------------------------------------------


\
 
 \ /
  Last update: 2005-03-22 13:38    [W:0.033 / U:1.488 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site