On Tue, Jun 13, 2006 at 10:03:35AM -0700, Mark Vojkovich wrote: >On Tue, 13 Jun 2006, paul womack wrote: > >> Mark Vojkovich wrote: >> > If you were using the neomagic driver and the rendering >> > was wrong while the vga driver rendered correctly, that implies >> > a HW acceleration problem with the neomagic driver. You might >> > try using the neomagic driver with: >> > >> > Option "noaccel" >> > >> > in the Section "Device" of the XF86Config file. If that works >> > but is slow, you can add Option "ShadowFB", which should be >> > faster. Another option would be to omit the "noaccel" and >> > "ShadowFB" options and instead try to turn off the acceleration >> > feature that is broken. It's not clear which feature that is >> > so it would take some experimentation, but for starters, I'd >> > try: >> > >> > Option "XaaNoPixmapCache" >> > Option "XaaNoOffscreenPixmaps" >> >> Thanks for your hints. Sadly, my problems >> seem rather "deep". >> >> I switched (down) to VGA driver (guessing that the chip >> might support it) and set 800x600 24 bit, >> and still had the same problem. >> >> The only setting that gave non-bugged display >> was VGA, 1024x768, 256 (paletted) colours! > > The VGA driver only supports 640x480 with 16 colors, so >you can't have been running the VGA driver, which brings up >the question of what you actually are running. > >> >> This is a little limiting :-) >> >> So I suspect my problem is rather deep rooted. >> >> I have run Mandrake 9.0, 9.1, 9.2 and 10.1 successfully >> on this machine; this is the first graphics >> problem I've had. >> >> Any hints (as always...) gratefully accepted. > > The "broken display" snapshot you showed looked like a rendering >problem (like pixmaps were blitted to the wrong place). That can't >still be happening with Option "noaccel" or it's an application >issue, not a server issue. You need to send us your /var/log/XFree86.0.log >file so we can see what you're really running. Agreed. We don't have enough information to see what is going on. For reference, I run XFree86 4.6.0 on an older laptop with a Neomagic 256AV (NM2200), and don't see any problems. David _______________________________________________ XFree86 mailing list XFree86@xxxxxxxxxxx http://XFree86.Org/mailman/listinfo/xfree86