I fixed it following https://bugs.launchpad.net/ubuntu/+source/linux/+bug/662946/comments/20
https://wiki.ubuntu.com/X/Bugs/Mavericki8xxStatus Manually enabling the Intel driver To enable the Intel driver you need to create a file called /etc/X11/xorg.conf containing the following: Section "Device" Identifier "Configured Video Device" Driver "intel" EndSection Section "Monitor" Identifier "Configured Monitor" EndSection Section "Screen" Identifier "Default Screen" Monitor "Configured Monitor" Device "Configured Video Device" EndSection https://wiki.ubuntu.com/X/Bugs/Lucidi8xxFreezes#GTT%20Incoherency%20Patch Install the 855gm PPA and the patched kernel modules https://launchpad.net/~glasen/+archive/855gm-fix sudo add-apt-repository ppa:glasen/855gm-fix sudo apt-get update && sudo apt-get install dkms 855gm-fix-dkms -- [ICH4 - Intel 82801DB-ICH4] Playback problem https://bugs.launchpad.net/bugs/658747 You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
