Re: console.c: scrolling bug found

Ulrich Windl (Ulrich.Windl@rz.uni-regensburg.de)
Mon, 19 Feb 1996 09:31:43 +0100


On 17 Feb 96 at 10:48, Grant Reaber wrote:

> I don't use scrolling, but I have occasionally noticed screens of weird
> stuff appearing for a split second when changing VCs. For instance, a
> screen mostly filled with "@"s in some color. Anyway, the important
> thing is that I don't have a Cirrus card. I have a Chips and
> Technologies 65540 chip in a notebook computer. I agree that the bug
> doesn't do any real damage except that it hurts your credibility when
> you're trying to convince someone that Linux is stable and relatively
> bug-free.
>
I once saw something similar when switching from X11 to textmode when
memory was tight. It seems that the contents of the VC can be swapped
out, and it has to be swapped in again. But in the meantime the
hardware still displays whatever there is. Right?

Ulrich