Changing Console Resolution - Vidcontrol

[Kevin Oberman]

> Date: Fri, 6 Apr 2007 00:31:45 +0200
> From: "Michael Schuh" <michael.schuh at gmail.com>
> 
> Hi Kevin,
> hi @list,
> 
> ok losing data in output is not really nice,
> in my experiences i don't lose lines, they get
> not displayed, if i use scroll-lock and pg-up, i can see the
> lines they was on the screen before i change the mode.

Are you sure? On my T43, I lose exactly 23 lines at the point my screen
switches from it's default mode. Note that I need to use VESA and
SC_PIXEL_MODE on this system. That may relate to the problem.

> If you need more lines in buffer (esp. to supress losing lines)
> you can change the default (200 lines) in your kernels.
> take a look at /usr/src/sys/conf/NOTES and
> /usr/src/i386/conf/NOTES, search "SC*BUFFER"
> but keep in mind this can make a "slideshow" like
> teleporting on your console
> :-D (remembers me to ego-shooters and jump'n'run games)

I always run a 2000 line scrollback buffer. 200 won't make it to the
start of my boot. And, it's SC_HISTORY_SIZE. I'm unclear as to what you
refer to as 'slideshow" like teleporting', though.
-- 
R. Kevin Oberman, Network Engineer
Energy Sciences Network (ESnet)
Ernest O. Lawrence Berkeley National Laboratory (Berkeley Lab)
E-mail: oberman at es.net			Phone: +1 510 486-8634
Key fingerprint:059B 2DDF 031C 9BA3 14A4  EADA 927D EBB3 987B 3751
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