If your playtester is running the 32bit version of arch, that might be it?
Everyone in this thread is running the 64 bit version with multiarch and probably a few packages installed from AUR.
I never had to recompile anything pango relat…
I'm having the same problem.
I'm trying to start NS2 for the first time and it offers to optimize. I agree and it loads until it crashes with the same error.
But unlike chrix, I'm not using anything like VirtualGL or Optirun.