Just had the same bug and found the culprit, nvidia-304 (which bumblebee autoinstalls) adds a conf file which aliases nouveau to off for some reason.
-- 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/1752748 Title: nouveau module can't be loaded Status in linux package in Ubuntu: Incomplete Bug description: Module nouveou can't be loaded. I get the following error message when I try to load it manually: # modprobe nouveau modprobe: ERROR: ../libkmod/libkmod-module.c:832 kmod_module_insert_module() could not find module by name='off' modprobe: ERROR: could not insert 'off': Unknown symbol in module, or unknown parameter (see dmesg) modprobe: ERROR: ../libkmod/libkmod-module.c:832 kmod_module_insert_module() could not find module by name='off' modprobe: ERROR: could not insert 'off': Unknown symbol in module, or unknown parameter (see dmesg) modprobe: ERROR: ../libkmod/libkmod-module.c:832 kmod_module_insert_module() could not find module by name='off' modprobe: ERROR: could not insert 'off': Unknown symbol in module, or unknown parameter (see dmesg) modprobe: ERROR: ../libkmod/libkmod-module.c:832 kmod_module_insert_module() could not find module by name='off' modprobe: ERROR: could not insert 'off': Unknown symbol in module, or unknown parameter (see dmesg) modprobe: ERROR: ../libkmod/libkmod-module.c:832 kmod_module_insert_module() could not find module by name='off' modprobe: ERROR: could not insert 'off': Unknown symbol in module, or unknown parameter (see dmesg) ProblemType: Bug DistroRelease: Ubuntu 18.04 Package: linux-image-4.15.0-10-lowlatency 4.15.0-10.11 ProcVersionSignature: Ubuntu 4.15.0-10.11-lowlatency 4.15.3 Uname: Linux 4.15.0-10-lowlatency x86_64 ApportVersion: 2.20.8-0ubuntu10 Architecture: amd64 AudioDevicesInUse: USER PID ACCESS COMMAND /dev/snd/controlC2: lvella 1453 F.... pulseaudio /dev/snd/controlC0: lvella 1453 F.... pulseaudio /dev/snd/controlC1: lvella 1453 F.... pulseaudio CurrentDesktop: XFCE Date: Thu Mar 1 20:37:06 2018 HibernationDevice: RESUME=UUID=3f064780-2aeb-44b4-a8a3-21e590bd1b8f InstallationDate: Installed on 2016-06-02 (637 days ago) InstallationMedia: Xubuntu 16.04 LTS "Xenial Xerus" - Release amd64 (20160420.1) IwConfig: lo no wireless extensions. enp5s0 no wireless extensions. MachineType: System manufacturer System Product Name ProcFB: 0 EFI VGA ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-4.15.0-10-lowlatency.efi.signed root=UUID=f127c524-7b47-4ff1-b1d6-620ed6f14a29 ro noprompt persistent quiet splash vt.handoff=1 RelatedPackageVersions: linux-restricted-modules-4.15.0-10-lowlatency N/A linux-backports-modules-4.15.0-10-lowlatency N/A linux-firmware 1.171 RfKill: SourcePackage: linux UpgradeStatus: Upgraded to bionic on 2018-02-28 (1 days ago) dmi.bios.date: 04/20/2012 dmi.bios.vendor: American Megatrends Inc. dmi.bios.version: 3701 dmi.board.asset.tag: To be filled by O.E.M. dmi.board.name: P8H67-M PRO dmi.board.vendor: ASUSTeK COMPUTER INC. dmi.board.version: Rev X.0x dmi.chassis.asset.tag: Asset-1234567890 dmi.chassis.type: 3 dmi.chassis.vendor: Chassis Manufacture dmi.chassis.version: Chassis Version dmi.modalias: dmi:bvnAmericanMegatrendsInc.:bvr3701:bd04/20/2012:svnSystemmanufacturer:pnSystemProductName:pvrSystemVersion:rvnASUSTeKCOMPUTERINC.:rnP8H67-MPRO:rvrRevX.0x:cvnChassisManufacture:ct3:cvrChassisVersion: dmi.product.family: To be filled by O.E.M. dmi.product.name: System Product Name dmi.product.version: System Version dmi.sys.vendor: System manufacturer To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1752748/+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
