This seems to be working for me on the version on the current Natty Alpha's - it's worth a go:
1.5.0~svn1073625-0ubuntu1 -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/599082 Title: Darkroom crashed with UNREACHABLE executed at /build/buildd/llvm-2.6/lib/VMCore/Value.cpp:492 -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs