This is fixed in Ubuntu 15.04 "Vivid Vervet". You might still experience some flickering - the upstream developers are still working on that.
** Changed in: linux (Ubuntu) Status: Incomplete => Fix Released -- You received this bug notification because you are a member of Kernel Packages, which is subscribed to linux in Ubuntu. https://bugs.launchpad.net/bugs/763052 Title: Ubuntu can't boot on nvidia GeForce GT240 with nouveau drivers Status in The Linux Kernel: New Status in Accelerated Xorg driver for nVidia cards: Confirmed Status in linux package in Ubuntu: Fix Released Status in Fedora: New Bug description: Binary package hint: xserver-xorg-video-nouveau I can't boot Ubuntu 10.10 on my PC with NVIDIA GeForce GT 240 (PCIe 16x). Instead login screen I see [attachment DSC00391.JPG]. Ctrl+Alt+Del and SysRq+B don't work. Why Ubuntu use experimental (nouveau) driver?!? : xserver-xorg-video-nouveau - X.Org X server -- Nouveau display driver (experimental) WORKAROUND: I must install Ubuntu from alternate CD and boot to text mode and uninstall these packages: nouveau-firmware, xserver-xorg-video-nouveau and install nvidia-current package. WORKAROUND: Try boot live cd with "nomodeset" option. It works for me on GeForce GT 240. To manage notifications about this bug go to: https://bugs.launchpad.net/linux/+bug/763052/+subscriptions -- Mailing list: https://launchpad.net/~kernel-packages Post to : kernel-packages@lists.launchpad.net Unsubscribe : https://launchpad.net/~kernel-packages More help : https://help.launchpad.net/ListHelp