Public bug reported:
I'm using a Lenovo laptop with an intel/nvidia Optimus compatible graphics
solution. While being able to use prime-select to switch between those cards
with Ubuntu 14.X and official nvidia driversit stopped working when switching
to ubuntu 15.04 and newer drivers. I'm not sure when the problem first arises,
but I'm stucking with it for almost 5 month.
In the meanwhile I stumbled upon errors in xorg.log pointing to insufficient
permissions related to DRM and intel driver. I switched to a newer kernel 4.1.x
and the xorg.log error had gone, but the general problem remains. A month ago I
switched to a wily daily build to test if the bug still exists there. I did a
fresh install but the problem is still the same.
ProblemType: Bug
DistroRelease: Ubuntu 15.10
Package: xorg 1:7.7+7ubuntu4
ProcVersionSignature: Ubuntu 4.2.0-14.16-generic 4.2.2
Uname: Linux 4.2.0-14-generic x86_64
NonfreeKernelModules: nvidia
.proc.driver.nvidia.registry: Binary: ""
.proc.driver.nvidia.version:
NVRM version: NVIDIA UNIX x86_64 Kernel Module 355.11 Wed Aug 26 16:35:41
PDT 2015
GCC version: gcc version 5.2.1 20151003 (Ubuntu 5.2.1-21ubuntu2)
ApportVersion: 2.19-0ubuntu1
Architecture: amd64
Date: Thu Oct 8 18:18:55 2015
DistUpgraded: Fresh install
DistroCodename: wily
DistroVariant: ubuntu
DkmsStatus:
bbswitch, 0.7, 4.2.0-10-generic, x86_64: installed
bbswitch, 0.7, 4.2.0-14-generic, x86_64: installed
nvidia-355, 355.11, 4.2.0-14-generic, x86_64: installed
GraphicsCard:
Intel Corporation 3rd Gen Core processor Graphics Controller [8086:0166] (rev
09) (prog-if 00 [VGA controller])
Subsystem: Lenovo Device [17aa:21fc]
NVIDIA Corporation GF108M [GeForce GT 620M] [10de:0de8] (rev a1) (prog-if 00
[VGA controller])
Subsystem: Lenovo Device [17aa:21fc]
InstallationDate: Installed on 2015-09-12 (26 days ago)
InstallationMedia: Ubuntu 15.10 "Wily Werewolf" - Alpha amd64 (20150911)
MachineType: LENOVO 33643EG
ProcEnviron:
LC_CTYPE=de_DE.UTF-8
TERM=linux
PATH=(custom, no user)
LANG=de_DE.UTF-8
SHELL=/usr/bin/zsh
ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-4.2.0-14-generic.efi.signed
root=UUID=55cf0b06-9493-479a-a524-07e52d5be60a ro noprompt persistent quiet
splash vt.handoff=7
SourcePackage: xorg
UdevLog: Error: [Errno 2] No such file or directory: '/var/log/udev'
UpgradeStatus: No upgrade log present (probably fresh install)
dmi.bios.date: 04/09/2015
dmi.bios.vendor: LENOVO
dmi.bios.version: GAETA0WW (2.60 )
dmi.board.asset.tag: Not Available
dmi.board.name: 33643EG
dmi.board.vendor: LENOVO
dmi.board.version: Not Available
dmi.chassis.asset.tag: No Asset Information
dmi.chassis.type: 10
dmi.chassis.vendor: LENOVO
dmi.chassis.version: Not Available
dmi.modalias:
dmi:bvnLENOVO:bvrGAETA0WW(2.60):bd04/09/2015:svnLENOVO:pn33643EG:pvrThinkPadS430:rvnLENOVO:rn33643EG:rvrNotAvailable:cvnLENOVO:ct10:cvrNotAvailable:
dmi.product.name: 33643EG
dmi.product.version: ThinkPad S430
dmi.sys.vendor: LENOVO
version.compiz: compiz 1:0.9.12.2+15.10.20151002-0ubuntu1
version.ia32-libs: ia32-libs N/A
version.libdrm2: libdrm2 2.4.64-1
version.libgl1-mesa-dri: libgl1-mesa-dri 11.0.0-1ubuntu1
version.libgl1-mesa-dri-experimental: libgl1-mesa-dri-experimental N/A
version.libgl1-mesa-glx: libgl1-mesa-glx 11.0.0-1ubuntu1
version.nvidia-graphics-drivers: nvidia-graphics-drivers-* N/A
version.xserver-xorg-core: xserver-xorg-core 2:1.17.2-1ubuntu9
version.xserver-xorg-input-evdev: xserver-xorg-input-evdev 1:2.9.2-1ubuntu1
version.xserver-xorg-video-ati: xserver-xorg-video-ati
1:7.5.0+git20150819-0ubuntu1
version.xserver-xorg-video-intel: xserver-xorg-video-intel
2:2.99.917+git20150808-0ubuntu3
version.xserver-xorg-video-nouveau: xserver-xorg-video-nouveau 1:1.0.11-1ubuntu3
xserver.bootTime: Thu Oct 8 18:15:17 2015
xserver.configfile: /etc/X11/xorg.conf
xserver.errors:
xserver.logfile: /var/log/Xorg.0.log
xserver.version: 2:1.17.2-1ubuntu9
** Affects: xorg (Ubuntu)
Importance: Undecided
Status: New
** Tags: amd64 apport-bug nvidia prime ubuntu wily
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https://bugs.launchpad.net/bugs/1504220
Title:
Black screen after "prime-select nvidia" and restart of lightdm/reboot
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