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Message #173015
[Bug 1559576] Re: Ubuntu Gnome boots to black screen when using proprietary Nvidia drivers on a laptop with Optimus
Alberto, this is probably not an upstream bug. the prime support is
ubuntu specific.
I am not sure if this is fatal, but there is an error setting up prime
offload, seems like the helper scripts are not getting called as root
anymore.
Kov 19 22:59:55 username-Lenovo-Z70-80 /usr/lib/gdm3/gdm-x-session[912]: /usr/bin/prime-supported: 35: /usr/bin/prime-supported: cannot create /var/log/prime-supported.log: Permission denied
Kov 19 22:59:55 username-Lenovo-Z70-80 /usr/lib/gdm3/gdm-x-session[912]: warning: output not found; ignoring
Kov 19 22:59:55 username-Lenovo-Z70-80 /usr/lib/gdm3/gdm-x-session[912]: warning: output not found; ignoring
** Changed in: gdm3 (Ubuntu)
Status: Incomplete => Triaged
** Also affects: linux (Ubuntu Xenial)
Importance: Critical
Status: Invalid
** Also affects: gdm3 (Ubuntu Xenial)
Importance: Critical
Status: Triaged
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https://bugs.launchpad.net/bugs/1559576
Title:
Ubuntu Gnome boots to black screen when using proprietary Nvidia
drivers on a laptop with Optimus
Status in gdm:
New
Status in gdm3 package in Ubuntu:
Triaged
Status in linux package in Ubuntu:
Invalid
Status in gdm3 source package in Xenial:
Triaged
Status in linux source package in Xenial:
Invalid
Bug description:
Using latest Ubuntu Gnome x64 daily build with all updates installed.
Lenovo Z70-80 laptop with Nvidia 840M, BIOS updated to latest version, secure boot and other potentially problematic BIOS settings disabled.
Can only see a black screen instead of a log-in screen after boot completes when proprietary Nvidia drivers are installed.
Regular Ubuntu works absolutely fine on the same machine with the same driver version. Attempting to use older drivers on Ubuntu Gnome made no difference.
Bug is affecting more than just me. We were talking about workarounds
in ubuntuforums. User fthx claims that switching to lightdm fixes the
issue
http://ubuntuforums.org/showthread.php?t=2317628&p=13457703#post13457703
ProblemType: Bug
DistroRelease: Ubuntu 16.04
Package: linux-image-4.4.0-14-generic 4.4.0-14.30
ProcVersionSignature: Ubuntu 4.4.0-14.30-generic 4.4.5
Uname: Linux 4.4.0-14-generic x86_64
NonfreeKernelModules: nvidia_uvm nvidia_modeset nvidia
ApportVersion: 2.20-0ubuntu3
Architecture: amd64
Date: Sat Mar 19 23:19:21 2016
HibernationDevice: RESUME=UUID=4f8fb76c-f99d-4c54-8a67-eed0653d8eb6
InstallationDate: Installed on 2016-03-19 (0 days ago)
InstallationMedia: Ubuntu-GNOME 16.04 LTS "Xenial Xerus" - Alpha amd64 (20160318)
MachineType: LENOVO 80FG
ProcFB: 0 inteldrmfb
ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-4.4.0-14-generic.efi.signed root=UUID=572a19f6-7324-4269-ad36-7ffc9919f7a2 ro noprompt persistent quiet splash vt.handoff=7
RelatedPackageVersions:
linux-restricted-modules-4.4.0-14-generic N/A
linux-backports-modules-4.4.0-14-generic N/A
linux-firmware 1.156
SourcePackage: linux
UpgradeStatus: No upgrade log present (probably fresh install)
dmi.bios.date: 09/22/2015
dmi.bios.vendor: LENOVO
dmi.bios.version: ABCN96WW
dmi.board.asset.tag: NO Asset Tag
dmi.board.name: Lenovo Z70-80
dmi.board.vendor: LENOVO
dmi.board.version: NO DPK
dmi.chassis.asset.tag: NO Asset Tag
dmi.chassis.type: 10
dmi.chassis.vendor: LENOVO
dmi.chassis.version: Lenovo Z70-80
dmi.modalias: dmi:bvnLENOVO:bvrABCN96WW:bd09/22/2015:svnLENOVO:pn80FG:pvrLenovoZ70-80:rvnLENOVO:rnLenovoZ70-80:rvrNODPK:cvnLENOVO:ct10:cvrLenovoZ70-80:
dmi.product.name: 80FG
dmi.product.version: Lenovo Z70-80
dmi.sys.vendor: LENOVO
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References