Subject: Re: wscons versus X servers
To: Ken Hornstein <>
From: Jaromir Dolecek <>
List: current-users
Date: 12/03/1998 18:33:22
Solution is to NOT run getty on one of wscons terminals
(leave say /dev/ttyE7 unused). Xserver would pick that terminal 
and not interfere with text.

Ken Hornstein wrote:
> (This probably only applies to the i386, but since it involves wscons,
> I think that it probably belongs on current-users).
> I've run into a rather annoying problem with wscons.  It appears
> that wscons still writes to the text display memory even if the
> the display is in graphics mode.  This is contrary to pccons and
> pcvt, which specifically do _not_ write to the display in graphics
> mode (actually, it appears that what pcvt does is doesn't update
> the vga control registers in graphics mode, but that's probably
> the root cause of my problems).
> It turns out this makes some X servers rather unhappy.  Specifically,
> the Neomagic X server is very unhappy when using wscons and something
> outputs data to ttyE0 (or whatever).
> It seems to me that the logical things to do is to not write to
> the display when in graphics mode.  I'm just wondering what's the
> right way to do that.  I see two possibilities:
> - Change the wscons generic layer so no text characters are output
>   in "emulation" mode.
> - Change the backend layers so they don't do any writing if the display
>   is in graphics mode.
> The latter feels like the right solution, but from what I see this would
> involve a new function for wscons (to set the current graphics mode),
> so I wanted to check with other people first.
> --Ken

Jaromir Dolecek <>
It is better never to have been born.  But who among us has such luck?
One in a million, perhaps.