I also still have input lag problems with Mir 0.0.9 and Nouveau. I tested it with regular Ubuntu 13.10 and Xubuntu on XMir.
ubuntu@ubuntu:~$ dpkg -l | grep libmirserver ii libmirserver1:amd64 0.0.9+13.10.20130813-0ubuntu1 amd64 Display server for Ubuntu - server library
ubuntu@ubuntu:~$ lspci | grep VGA 02:00.0 VGA compatible controller: NVIDIA Corporation G94 [GeForce 9600 GT] (rev a1)
ubuntu@ubuntu:~$ dpkg -l | grep nouveau ii libdrm-nouveau2:amd64 2.4.46-1 amd64 Userspace interface to nouveau-specific kernel DRM services -- runtime ii xserver-xorg-video-nouveau 1:1.0.8-0ubuntu3 amd64 X.Org X server -- Nouveau display driver
I also still have input lag problems with Mir 0.0.9 and Nouveau. I tested it with regular Ubuntu 13.10 and Xubuntu on XMir.
ubuntu@ubuntu:~$ dpkg -l | grep libmirserver 10.20130813- 0ubuntu1 amd64 Display server for Ubuntu - server library
ii libmirserver1:amd64 0.0.9+13.
ubuntu@ubuntu:~$ lspci | grep VGA
02:00.0 VGA compatible controller: NVIDIA Corporation G94 [GeForce 9600 GT] (rev a1)
ubuntu@ubuntu:~$ dpkg -l | grep nouveau nouveau2: amd64 2.4.46-1 amd64 Userspace interface to nouveau-specific kernel DRM services -- runtime xorg-video- nouveau 1:1.0.8-0ubuntu3 amd64 X.Org X server -- Nouveau display driver
ii libdrm-
ii xserver-