I tried the config in bug #1267442 and since by forcing the nvidia card to be the one used at lightdm it triggers an X failsafe display, I think it might confirm the issue with nvidia-331 and the laptop.
-- You received this bug notification because you are a member of Desktop Packages, which is subscribed to nvidia-graphics-drivers-331-updates in Ubuntu. https://bugs.launchpad.net/bugs/1268184 Title: nvidia-331-updates fails on Asus UX302LG with Nvidia GT 730M (Optimus Technology) Status in “nvidia-graphics-drivers-331-updates” package in Ubuntu: New Bug description: Installing nvidia-331 or nvidia-331-updates (nvidia-current does not support GPU from kern.log message), X fails to start / driver fails to load properly. Nouveau works "OK" with the haswell GPU upstream patch targetted there https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1265544 Tried using bumblebee, handles both drivers but nvidia fails to start (either nvidia-331 or nvidia-331-updates) nvidia-319 points to 331. Error message is as follows under nvidia-331-updates (same with nvidia-331) : NVRM: failed to copy vbios to system memory. NVRM: RmInitAdapter failed! (0x30:0xffffffff:720) NVRM: rm_init_adapter failed for device bearing minor number 0 NVRM: nvidia_frontend_open: minor 0, module->open() failed, error -5 Was the same message when running under bumblebee and trying to 'optirun' apps w/ nVidia's GPU (tested glxgears -info etc.). Lots of content in Xorg.failsafe.log / Xorg.0.log too. ProblemType: Bug DistroRelease: Ubuntu 14.04 Package: nvidia-331-updates 331.20-0ubuntu9 ProcVersionSignature: Ubuntu 3.13.0-2.17~lp1265544v1-generic 3.13.0-rc7 Uname: Linux 3.13.0-2-generic x86_64 NonfreeKernelModules: nvidia ApportVersion: 2.13.1-0ubuntu1 Architecture: amd64 Date: Sat Jan 11 14:28:30 2014 InstallationDate: Installed on 2013-12-31 (11 days ago) InstallationMedia: Ubuntu 14.04 LTS "Trusty Tahr" - Alpha amd64 (20131231) SourcePackage: nvidia-graphics-drivers-331-updates UpgradeStatus: No upgrade log present (probably fresh install) modified.conffile..etc.modprobe.d.nvidia.331.updates.hybrid.conf: [deleted] To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/nvidia-graphics-drivers-331-updates/+bug/1268184/+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
