I think that I've a problem with 3D aceleration. This are the packages related that I have installed:
mitxs@testing:~$ dpkg -l | grep mesa ii libgl1-mesa-dri:i386 9.0-0ubuntu1 i386 free implementation of the OpenGL API -- DRI modules ii libgl1-mesa-glx:i386 9.0-0ubuntu1 i386 free implementation of the OpenGL API -- GLX runtime ii libglapi-mesa:i386 9.0-0ubuntu1 i386 free implementation of the GL API -- shared library ii libglu1-mesa:i386 9.0.0-0ubuntu1 i386 Mesa OpenGL utility library (GLU) mitxs@testing:~$ dpkg -l | grep nouveau ii libdrm-nouveau1a:i386 2.4.39-0ubuntu1 i386 Userspace interface to nouveau-specific kernel DRM services -- runtime ii libdrm-nouveau2:i386 2.4.39-0ubuntu1 i386 Userspace interface to nouveau-specific kernel DRM services -- runtime ii xserver-xorg-video-nouveau 1:1.0.2-0ubuntu3 i386 X.Org X server -- Nouveau display driver -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1065660 Title: desktop performance is too slow To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/xorg/+bug/1065660/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs