/usr/lib64/libGL.so.1 belongs to mesa; what version are you using? Also, what wine (packaged or system? staging or vanilla?) do you have.
I have ~arch 64-bit gentoo, and aside from the issues with the old launcher build not handling SSO, I haven’t had too many problems (aside from the occasional system freeze and broken shaders, but the latter is wine’s problem).
What graphics card and what driver? What kernel?