[Nouveau] [Bug 72939] [nv96] Freespace 2 open crashes

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=72939

--- Comment #1 from Ilia Mirkin <imirkin at alum.mit.edu> ---
This error is telling you that an invalid opcode was attempted to get executed.
On the bright side, envydis agrees that it's an invalid opcode. So either we
have a bug in generating shaders, or it's something more sinister.

If you run a debug mesa build with NV50_PROG_DEBUG=1, it should dump all the
shaders being compiled -- that should at least let us know if we're generating
the wrong opcodes or not. Basically look for the 80070279 00060780 sequence in
the generated program binaries that are printed out. If you do find it, grab
the whole shader binary as well as the lines that precede it, including the
TGSI that caused it to be generated, and upload that here.

If it's not there, then... that's very unfortunate -- it means some sort of
memory corruption issue. Let's hope it's the more straightforward problem.

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