@Alberto: Here's a patch that adds calls into pm_vt_switch_{required,unregister}() to the NVIDIA driver. It resolves the corruption issue on my test system. This change will be included with the next release of the 331 series drivers.
** Patch added: "NVIDIA driver patch for pm_vt_switch_required()" https://bugs.launchpad.net/ubuntu/+source/nvidia-prime/+bug/1210077/+attachment/4015678/+files/pm_vt_switch_required.patch -- You received this bug notification because you are a member of Desktop Packages, which is subscribed to nvidia-prime in Ubuntu. https://bugs.launchpad.net/bugs/1210077 Title: Screen freeze and garbled after resume from suspend Status in HWE Next Project: Triaged Status in “nvidia-graphics-drivers-331” package in Ubuntu: Confirmed Bug description: Perform regular suspend, either from system menu or close laptop lid, when system resuming from suspend, it will freeze. Switch to VT and back to X can solve freeze issue, but the screen are gabled and some character rendering are strange, however whole system can perform usual task. found affected graphics: gf108m gf117m gk107glm To manage notifications about this bug go to: https://bugs.launchpad.net/hwe-next/+bug/1210077/+subscriptions -- Mailing list: https://launchpad.net/~desktop-packages Post to : desktop-packages@lists.launchpad.net Unsubscribe : https://launchpad.net/~desktop-packages More help : https://help.launchpad.net/ListHelp