On Don, 2003-01-23 at 10:53, Lars Steinke wrote: > On Wed, Jan 22, 2003 at 09:50:26AM -0600, Colin Watson wrote: > > On Tue, Jan 21, 2003 at 05:08:30PM +0100, Lars Steinke wrote: > > > > > > Since upgrading to 4.2 the i810 3d acceleration produces quite unusable > > > results, for instance glxgears is repeatedly copied across to whole > > > screen width and looks sort of "interlaced" and squashed, i.e. every > > > second > > > row is not displayed or at least misaligned horizontally. The same applies > > > to full screen OpenGL apps like bzflag... > > > > I've experienced the same problem on my i810 laptop. Let me know if > > there's anything I can do to help debugging. > > So we now know it IS an actual problem and not just me being stupid ;). > Personally I wouldn't know how to go about debugging this one. Running > strace on the X Server and crosschecking with the source, I presume.
If it's not fixed in a CVS snapshot, you'd have to start by debugging the client, in particular i810_dri.so, to find out why it gets the pitch wrong. -- Earthling Michel Dänzer (MrCooper)/ Debian GNU/Linux (powerpc) developer XFree86 and DRI project member / CS student, Free Software enthusiast