Public bug reported:
# What happens:
In Ubuntu 16.04 / elementaryOS, after session logout, I get a black
screen (screen is off, not illuminated as a black background), with no
user input options.
# What should happen:
Go back to the session greeter where I can log in again.
# How this happens:
This happens after a couple of hours of intensive use (4 Gb of RAM almost
maxed-out, swapped about 2Gb on an 8Gb partition).
If I use the computer for a half hour or so, this problem doesn't happen.
# Workarounds tested:
- Disabled services such as MegaSync and Dropbox, problem persists.
- Switched kernels: 4.4 LTS series (currently 4.4.0-133-generic) and 4.13 &
4.15 HWE series; problem persists.
- Switched xorg stack versions: xorg regular / LTS and the HWE branch; problem
persists.
# Hardware:
Lenovo ThinkPad T410s: i5 processor, 4Gb RAM, NVidia NV3100M video using binary
driver 340.107, current xorg version is 1:7.7+13ubuntu3.1
ProblemType: Bug
DistroRelease: elementary 0.4.1
Package: xorg 1:7.7+13ubuntu3.1 [origin: Ubuntu]
ProcVersionSignature: Ubuntu 4.4.0-133.159-generic 4.4.134
Uname: Linux 4.4.0-133-generic x86_64
NonfreeKernelModules: nvidia_uvm nvidia wl
.proc.driver.nvidia.gpus.0000.01.00.0: Error: [Errno 21] Es un directorio:
'/proc/driver/nvidia/gpus/0000:01:00.0'
.proc.driver.nvidia.registry: Binary: ""
.proc.driver.nvidia.version:
NVRM version: NVIDIA UNIX x86_64 Kernel Module 340.107 Thu May 24 21:54:01
PDT 2018
GCC version: gcc version 5.4.0 20160609 (Ubuntu 5.4.0-6ubuntu1~16.04.10)
.proc.driver.nvidia.warnings.fbdev:
Your system is not currently configured to drive a VGA console
on the primary VGA device. The NVIDIA Linux graphics driver
requires the use of a text-mode VGA console. Use of other console
drivers including, but not limited to, vesafb, may result in
corruption and stability problems, and is not supported.
ApportVersion: 2.20.1-0ubuntu2.18
Architecture: amd64
CompizPlugins: No value set for
`/apps/compiz-1/general/screen0/options/active_plugins'
CompositorRunning: None
CurrentDesktop: Pantheon
Date: Tue Aug 21 13:05:28 2018
DistUpgraded: Fresh install
DistroCodename: loki
DistroVariant: ubuntu
DkmsStatus:
bbswitch, 0.8, 4.4.0-133-generic, x86_64: installed
bcmwl, 6.30.223.271+bdcom, 4.4.0-133-generic, x86_64: installed
nvidia-340, 340.107, 4.4.0-133-generic, x86_64: installed
tp_smapi, 0.42, 4.4.0-133-generic, x86_64: installed (original_module exists)
vhba, 20170610, 4.4.0-133-generic, x86_64: installed
ExtraDebuggingInterest: Yes, if not too technical
GraphicsCard:
NVIDIA Corporation GT218M [NVS 3100M] [10de:0a6c] (rev a2) (prog-if 00 [VGA
controller])
Subsystem: Lenovo GT218M [NVS 3100M] [17aa:21c0]
InstallationDate: Installed on 2017-09-24 (330 days ago)
InstallationMedia: elementary OS 0.4.1 "Loki" - Stable amd64 (20170814)
MachineType: LENOVO 2924BV6
ProcKernelCmdLine: BOOT_IMAGE=/vmlinuz-4.4.0-133-generic
root=UUID=b6a6db9e-1dcb-4a1e-a59f-f8c72a89b949 ro persistent quiet splash
vt.handoff=7
SourcePackage: xorg
Symptom: display
UpgradeStatus: No upgrade log present (probably fresh install)
dmi.bios.date: 10/11/2012
dmi.bios.vendor: LENOVO
dmi.bios.version: 6UET70WW (1.50 )
dmi.board.name: 2924BV6
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:bvr6UET70WW(1.50):bd10/11/2012:svnLENOVO:pn2924BV6:pvrThinkPadT410s:rvnLENOVO:rn2924BV6:rvrNotAvailable:cvnLENOVO:ct10:cvrNotAvailable:
dmi.product.name: 2924BV6
dmi.product.version: ThinkPad T410s
dmi.sys.vendor: LENOVO
version.compiz: compiz N/A
version.ia32-libs: ia32-libs N/A
version.libdrm2: libdrm2 2.4.91-2~16.04.1
version.libgl1-mesa-dri: libgl1-mesa-dri 18.0.5-0ubuntu0~16.04.1
version.libgl1-mesa-dri-experimental: libgl1-mesa-dri-experimental N/A
version.libgl1-mesa-glx: libgl1-mesa-glx 18.0.5-0ubuntu0~16.04.1
version.nvidia-graphics-drivers: nvidia-graphics-drivers-* N/A
version.xserver-xorg-core: xserver-xorg-core N/A
version.xserver-xorg-input-evdev: xserver-xorg-input-evdev N/A
version.xserver-xorg-video-ati: xserver-xorg-video-ati N/A
version.xserver-xorg-video-intel: xserver-xorg-video-intel N/A
version.xserver-xorg-video-nouveau: xserver-xorg-video-nouveau N/A
xserver.bootTime: Tue Aug 21 12:32:21 2018
xserver.configfile: default
xserver.errors:
xserver.logfile: /var/log/Xorg.0.log
xserver.outputs:
xserver.version: 2:1.19.6-1ubuntu4~16.04.1
** Affects: xorg (Ubuntu)
Importance: Undecided
Status: New
** Tags: amd64 apport-bug loki third-party-packages ubuntu
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which is subscribed to xorg in Ubuntu.
https://bugs.launchpad.net/bugs/1788240
Title:
After session logout, black screen (screen off, not black)
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