Created attachment 31103 [details]
Xorg.0.log

Using AMD rs780 and Mesa from git master:

Since commit 4e4c2ee1fd574d1d651c559f46afb6ca5487156d, starting the Spring RTS will lead to a segfault:

Stacktrace:
/usr/bin/spring [0x8eb6ef]
/lib/libc.so.6 [0x7f1bc4cc3290]
/lib/libc.so.6(strlen+0x10) [0x7f1bc4d0bfd0]
/lib/libc.so.6(_IO_vfprintf+0x3e0e) [0x7f1bc4cd7b9e]
/lib/libc.so.6(__vsnprintf_chk+0xa8) [0x7f1bc4d73598]
/usr/lib64/dri/r600_dri.so [0x7f1bbbfae35b]
/usr/lib64/dri/r600_dri.so [0x7f1bbbfae3de]
/usr/lib64/dri/r600_dri.so [0x7f1bbbfaf1d1]
/usr/lib64/dri/r600_dri.so(_mesa_parse_arb_program+0x111) [0x7f1bbbfb2751]
/usr/lib64/dri/r600_dri.so(_mesa_parse_arb_fragment_program+0x61) [0x7f1bbbfa6ec1]
/usr/lib64/dri/r600_dri.so(_mesa_ProgramStringARB+0x11d) [0x7f1bbbef427d]
/usr/bin/spring [0x6c4ec1]
/usr/bin/spring [0x65a412]
/usr/bin/spring [0x657c17]
/usr/bin/spring [0x61ed20]
/usr/bin/spring [0x4cb408]
/usr/bin/spring [0x45ac90]
/usr/bin/spring [0x45af55]
/usr/bin/spring [0x89b34d]
/usr/bin/spring [0x8a16ca]
/usr/bin/spring [0x8a237d]
/lib/libc.so.6(__libc_start_main+0xe6) [0x7f1bc4caf5c6]
/usr/bin/spring(_ZNSt8ios_base4InitD1Ev+0x79) [0x448809]
??:0

Earlier Mesa revisions only caused an error when loading fragment program file groundFPshadow.fp, which seems to occur on various platforms. Even earlier revisions started fine though (with some graphical glitches).