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Chappa

OpenGL (NVOPENGL.DLL): 0xC000001D: Illegal Instruction.

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First-chance exception in whatever.exe (NVOPENGL.DLL): 0xC000001D: Illegal Instruction. Please help!! I just don't get it. If I'm debugging my (openGL-) program, I get the same error over and over (see above), but if I'll compile it as a release build and just run it normally (without the debugger hooked, I suppose) it just runs fine. Any ideas on this? I used to link dynamically to opengl32.dll and the error occures if glEnd() is called BTW I'm using a Viper770 with the detonator-drivers from NVIDIA installed (version 3.53). Edited by - Chappa on 4/17/00 6:24:09 PM

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Try rolling back to the last known good version.

--------------
Revolver, aka Brian Smith
MIS Programmer Analyst
brian.smith@realpage.com
RealPage >> www.realpage.com

My views aren't even mine, much less my employers. =)

Edited by - revolver on 4/19/00 2:22:13 AM

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Guest Anonymous Poster
I had the V770 TNT2 before, and have now a GeForce256. But still the same drivers... and the same problem: first chance exception at NVGL''s level in debug mode.

Either Windows98''s or the Detonator driver''s fault, I couldn''t find a way to solve it (work around launching the program outside VC6, but no debug).
However, I figured out that (sometimes) if I launched some OpenGL app before VC6 and my app to debug (maybe to load the NV DLL), then it would go fine debugging... How wierd?

Today I develop in OpenGL under NT4, and there are no problems at all.

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This is strange! I''m now even able to crash the kernel32 module, cool! I think I''ll switch to w2k sooner or later.

Anyhow, thanks for your help, guys.

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Hm, me again...

After I linked statically to opengl32.dll, I had no problems debugging the application, so I''m going that way. Static linkage for debug-sessions and dynamic linkage for release builds.

Ha, problem solved!!

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