Re: [linux-fbdev] Re: Question on rivafb

From: Jeff Garzik (
Date: Sat May 27 2000 - 11:10:12 EST

Harold Oga wrote:
> On Fri, May 26, 2000 at 04:01:25PM -0400, Jeff Garzik wrote:
> >Martin Butterweck wrote:
> >> is this supposed to run with Geforce-based cards, too ?
> >> or if not, is someone working on a geforce-fbdev ?
> >
> >A patch exists from Ani Joshi, but it needs a bit of fixing... and a
> >tester. You willing? :)
> Hi,
> On a related note, are there any known problems with rivafb and a
> TNT2 Ultra? I'm seeing the folllowing behavior with rivafb 0.7.1 on
> kernel 2.4.0-test1-ac1:
> - at 640x480-32@75 I have to turn the brightness on my monitor to 100% just to
> be able to see any text. Also, it appears that 1 or 2 pixels that belong on
> the left side of the screen are appearing on the right edge.

known "dark console" problem. I'm not sure what the problem is, but I
think someone else on here did some investigation?

> - at 1024x768-32@75, I get no image as my monitor reports frequency out of range
> as it appears it attempted to drive the monitor with a vertical frequency of
> 43.5 or somewhere around there. Well below 50Hz anyways.


> - No matter what mode I run in, if I run Gerd Knorr's fbi image viewer, when I
> exit fbi, the console seems screwed up, as I see no text on screen, sometimes
> I see the cursor, sometimes I don't. Running /usr/bin/reset seems to restore
> things though.
> Using vesafb doesn't show any on these problems, btw. I'll dig out some older
> kernels and see if I can tell where this behavior first appears.

that's why rivafb is experimental for now :)

the job gets tougher with no docs :/

Jeff Garzik              | Liberty is always dangerous, but
Building 1024            | it is the safest thing we have.
MandrakeSoft, Inc.       |      -- Harry Emerson Fosdick

- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to Please read the FAQ at

This archive was generated by hypermail 2b29 : Wed May 31 2000 - 21:00:17 EST