Switching to the 9.2 branch of mesa makes the git userspace start, but it still has the original bug. In the attached logs:
Nov 18 16:29 and Xorg log: git kernel, git userspace (libdrm head, xf86-video-nouveau head, mesa 9.2 branch head) Nov 18 16:37: Ubuntu kernel, git userspace -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1243557 Title: [NVS 4200M] X freeze, "unhandled status 0x00800000" To manage notifications about this bug go to: https://bugs.launchpad.net/nouveau/+bug/1243557/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs