I've found out how /etc/modprobe.d/nvidia-331_hybrid.conf disappeared: nvidia-331's postrm explicitly deletes it, but as it's a conffile reinstalling nvidia-331 doesn't put it back. However, having it present doesn't fix the main bug.
-- You received this bug notification because you are a member of Desktop Packages, which is subscribed to xserver-xorg-video-nouveau in Ubuntu. https://bugs.launchpad.net/bugs/1315156 Title: nvidia-331 selected but nouveau loads Status in “nvidia-graphics-drivers-331” package in Ubuntu: New Status in “xserver-xorg-video-nouveau” package in Ubuntu: New Bug description: After upgrading to Trusty, I briefly used the nouveau driver to check whether bug 1243557 still existed; after finding that it did, I switched back to nvidia-331. However since then, frequently (>50% but not always), the system loads nouveau first, then fails to load nvidia-331 because of this: Apr 30 08:00:29 lap14 kernel: [ 17.789267] nouveau [ DEVICE][0000:01:00.0] BOOT0 : 0x0d9160a1 Apr 30 08:00:29 lap14 kernel: [ 17.789269] nouveau [ DEVICE][0000:01:00.0] Chipset: GF119 (NVD9) Apr 30 08:00:29 lap14 kernel: [ 17.789271] nouveau [ DEVICE][0000:01:00.0] Family : NVD0 [...] Apr 30 08:00:32 lap14 kernel: [ 21.574983] NVRM: The NVIDIA probe routine was not called for 1 device(s). Apr 30 08:00:32 lap14 kernel: [ 21.574987] NVRM: This can occur when a driver such as: Apr 30 08:00:32 lap14 kernel: [ 21.574987] NVRM: nouveau, rivafb, nvidiafb or rivatv Apr 30 08:00:32 lap14 kernel: [ 21.574987] NVRM: was loaded and obtained ownership of the NVIDIA device(s). ProblemType: Bug DistroRelease: Ubuntu 14.04 Package: nvidia-331 331.38-0ubuntu7 ProcVersionSignature: Ubuntu 3.13.0-24.46-generic 3.13.9 Uname: Linux 3.13.0-24-generic x86_64 ApportVersion: 2.14.1-0ubuntu3 Architecture: amd64 CurrentDesktop: Unity Date: Thu May 1 22:08:36 2014 EcryptfsInUse: Yes InstallationDate: Installed on 2012-01-25 (827 days ago) InstallationMedia: Ubuntu 11.10 "Oneiric Ocelot" - Release amd64 (20111012) SourcePackage: nvidia-graphics-drivers-331 UpgradeStatus: Upgraded to trusty on 2014-04-29 (2 days ago) modified.conffile..etc.modprobe.d.nvidia.331.hybrid.conf: [deleted] To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/nvidia-graphics-drivers-331/+bug/1315156/+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
