It might be realted to the framebuffer size. I bieleve the maximum size is 2048x2048. if you are running 1280x1024 side by side you may be running into this limitation. you might want to try over/under ratehr than side by side. or try a lower res and see if the artifacts disappear. Alex --- Barry Warsaw <barry@xxxxxxxxxx> wrote: > On Friday, May 23, 2003, at 12:30 PM, Hugh Caley wrote: > > The attached XF86Config will give me the two displays (second > display > > is a Dell 1024x768 LCD attached to the laptop's VGA port). The > > primary display has some artifacting but basically works. The > > secondary display is terribly artifacted, with streaky repetitions > of > > some of the primary display's elemenets, the cursor is a square, > etc. > > Nevertheless, I can open a terminal on the primary display, drag it > to > > the secondary display, and use it, even if is very difficult to > read. > > This is probably not related, and I hate to bum out an otherwise > successful XFree86 day, but I have long seen artifacts on my Linux > system. For me the artifacts are probably not screen capturable > short > of taking a picture of my screens. > > The artifacts manifest themselves as ghosted vertical lines, > snow-like > noise, and other fuzzy anomolies, almost as if the video card is not > driving the screens at the right rates. It's much worse for the VGA > port than the DVI port -- and both ports are running Dell E171FP flat > > panels at their native 1280x1024 resolution. They are both pushing > 75Hz instead of the "optimal" 60HZ, but I don't really think that's > the > problem (at one point in the RH7.3 days I had them driving at 60Hz > and > it didn't help). > > It could well be the card, but I'm sure it's not anything else in the > > chain as I drive the same flat panels from my Radeon 8500 Mac card on > > OSX and it looks great. > > I'd love to hear if anybody has any clues. > > -Barry > > > _______________________________________________ > xfree86-list mailing list > xfree86-list@xxxxxxxxxx > https://www.redhat.com/mailman/listinfo/xfree86-list > IRC: #xfree86 on irc.redhat.com __________________________________ Do you Yahoo!? The New Yahoo! Search - Faster. Easier. Bingo. http://search.yahoo.com _______________________________________________ xfree86-list mailing list xfree86-list@xxxxxxxxxx https://www.redhat.com/mailman/listinfo/xfree86-list IRC: #xfree86 on irc.redhat.com