Re: [Linux-fbdev-users] matroxfb: screen messes up after so

[Jonas M. <jo...@fr...>]

On 05/06/2004 Petr Vandrovec wrote:
> Are not you using DRI in X by any chance? When mga_dri is used, it
> reprograms accelerator's line length, color depth, foreground and background
> color (and other not so important registers) every now and then - gnome
> clock applet is known to trigger it either once a minute or once a second
> (depends on seconds being displayed or not), but other apps running
> in your X can trigger that too.

oh, so i used DRI in X until now, with the XFree86 mga driver, both
enabled in kernel and XF86Config.
I use fb driver for X now, and no DRI support any longer. Let's see if
the problems stay away now.

> Only 100% fix is to stop using DRI, or disabling acceleration on console
> (fbset -accel false). Or you can just decrease likelihood of corruption
> by using same color depth and same resolution in both X and on the console -
> then usually only one line on screen gets printed with wrong color from
> time to time instead of massive corruption.

yea, then my current configuration should work. Is DRI support a
recommented feature for better performance/lookout/...?

and what about these two matroxfb drivers in kernel 2.6.6, one for
G100/G200/G400/G450/G550, and the other only for G100/G200/G400.

I failed to get any information about which one to use for my G400.
what's the difference of these drivers?

bye
 jonas