[Nouveau] [Bug 79611] [NVC0] TRAP ch 4 [0x003fa28000 bzflag]

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=79611

--- Comment #1 from Ilia Mirkin <imirkin at alum.mit.edu> ---
Did this happen with earlier versions of mesa? If you can reproduce at will, an
apitrace would be nice. (30 mins would be ridiculous though.) I'm not aware of
any opcode emission bugs with nvc0 cards.

Another thing to try would be to make a debug mesa build, and run the game with
NV50_PROG_OPTIMIZE=0 -- that turns off all shader code optimizations, which
would make it even less likely to hit a "weird" instruction emission situation.

This might also be some vram corruption/buffer copy issues/something else
unrelated to opcode emission...

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