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------- Additional Comments From [EMAIL PROTECTED] 2003-07-05 15:21 ------- Michel, Sorry if I sounded rude before; I think it was the frustration of this problem talking ;) Thanks for taking the time for this relatively minor problem. I think we're getting closer to diagnosing it though. I got some new [testing] information that may prove helpful: a) I tried out Alex's suggestions. AGPMode and FastWrites do not seem to affect the behavior or my system. With the mode at 4 or with the mode at 1, and with FW enabled/disabled, I still get the random black screens of death I was getting before, and I still get the occasional "good runs" of DRI programs from before. b) PageFlip, OTOH, does affect the behavior or my system. With it enabled, I notice a 400+ frame improvement in glxgears (from 1200-1400 to 1600-2000). With this mode enabled, however, I simply HAVE NOT been able to get into a 3D accelerated program AT ALL. TuxRacer gives me black screens of death immediately, no fail, every time. But 2D work seems to be unaffected. c) I read through the man page for the radeon driver and noticed the ForcePCIMode option. I tried enabling this. Under this mode performance dropped considerably (but Direct Rendering was still enabled). glxgears produced 200 frames per sec. But TuxRacer started EVERY TIME. I tried about 15 consecutive times with no crash. Of course, TuxRacer was running alower than when agpgart was being used, but it definitely was using DRI. The most consecutive starts I could get for TuxRacer with no PageFlips (and no FastWrites, and AGPMode of 1) was four. The 5th time crashed. And the next time I rebooted, the 3rd time was a crash. So there definitely is a difference in behavior here. I am not sure what this all suggests. To me, it seems that if PCIMode works seemingly flawlessly, then there is a problem of the interaction between agpgart and the radeon driver. But I don't know for sure. What do you guys think? -Andrew ------- You are receiving this mail because: ------- You are the assignee for the bug, or are watching the assignee. ------------------------------------------------------- This SF.Net email sponsored by: Free pre-built ASP.NET sites including Data Reports, E-commerce, Portals, and Forums are available now. Download today and enter to win an XBOX or Visual Studio .NET. http://aspnet.click-url.com/go/psa00100006ave/direct;at.asp_061203_01/01 _______________________________________________ Dri-devel mailing list [EMAIL PROTECTED] https://lists.sourceforge.net/lists/listinfo/dri-devel