I've been trying to get the overlay and opengl display modes in dosbox running under Linux. I have a Matrox G550, with the dri snapshot running from 20040228. When I try and run with output=overlay, dosbox segfaults. When I try output=opengl, Dosbox prints:
SDL:OPENGL:No support for texturesize of 1024, falling back to surface

to the console, and renders everything on the CPU (Including the bilinear filtering)

Now, I know that the G550's OpenGL support has a few issues (Until this February 28th snapshot, it wouldn't display the mouse in Unreal Tournament, for example) so I'm fairly sure that the OpenGL issue is with the drivers, and I'll be posting over on the DRI mailing list within 48 hours.

But, I've never seen a BES Overlay problem with my card before, (XawTV, Mplayer and Ogle all work just fine) Is 'overlay' as the term used in DosBox something different?