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Ubuntu 16.04 (xenial) reached end-of-standard-support on April 29, 2021.
I'm setting the status of this bug to 'Incomplete' as it's not seen any
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** Package changed: xorg (Ubuntu) => ubuntu
** Changed in: ubuntu
Status: New => Incomplete
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https://bugs.launchpad.net/bugs/1604742
Title:
Black screen when booting without nomodeset
Status in Ubuntu:
Incomplete
Bug description:
It happens intermittently. Some times after a kernel upgrade it boots
fine, but immediately after the screensaver turns on the screen gets
black with the backlight on. After a good boot it returns to booting
to a black screen.
The system is working while the black screen is on. I am able to log
in and shutdown via console (blindly)
I have tried to write dmesg to a file while it is in this mode and I
got this:
[ 1835.947242] cfg80211: (5815000 KHz - 5850000 KHz @ 35000 KHz), (N/A,
3301 mBm), (0 s)
[ 1835.947243] cfg80211: (17100000 KHz - 17300000 KHz @ 200000 KHz), (N/A,
2000 mBm), (N/A)
[ 1835.947244] cfg80211: (57000000 KHz - 66000000 KHz @ 2160000 KHz), (N/A,
4000 mBm), (N/A)
[ 1835.952825] wlp3s0: Limiting TX power to 18 dBm as advertised by
04:da:d2:fd:7d:0e
[ 1998.759411] [drm:intel_dp_link_training_clock_recovery [i915_bpo]] *ERROR*
too many full retries, give up
[ 1998.770230] [drm:intel_dp_link_training_clock_recovery [i915_bpo]] *ERROR*
too many full retries, give up
[ 1998.781095] [drm:intel_dp_link_training_clock_recovery [i915_bpo]] *ERROR*
too many full retries, give up
[ 1998.791896] [drm:intel_dp_link_training_clock_recovery [i915_bpo]] *ERROR*
too many full retries, give up
[ 1998.802880] [drm:intel_dp_link_training_clock_recovery [i915_bpo]] *ERROR*
too many full retries, give up
[ 1998.813780] [drm:intel_dp_link_training_clock_recovery [i915_bpo]] *ERROR*
too many full retries, give up
[ 1998.824569] [drm:intel_dp_link_training_clock_recovery [i915_bpo]] *ERROR*
too many full retries, give up
[ 1998.824747] [drm:intel_dp_start_link_train [i915_bpo]] *ERROR* failed to
train DP, aborting
This was after a boot failed.
ProblemType: Bug
DistroRelease: Ubuntu 16.04
Package: xorg (not installed)
ProcVersionSignature: Ubuntu 4.4.0-31.50-generic 4.4.13
Uname: Linux 4.4.0-31-generic x86_64
NonfreeKernelModules: nvidia_uvm nvidia_drm nvidia_modeset nvidia
.proc.driver.nvidia.gpus.0000.01.00.0: Error: [Errno 21] Is a directory:
'/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 367.35 Mon Jul 11 23:14:21
PDT 2016
GCC version: gcc version 5.4.0 20160609 (Ubuntu 5.4.0-6ubuntu1~16.04.1)
.tmp.unity_support_test.1:
ApportVersion: 2.20.1-0ubuntu2.1
Architecture: amd64
CompizPlugins: No value set for
`/apps/compiz-1/general/screen0/options/active_plugins'
CompositorRunning: compiz
CompositorUnredirectDriverBlacklist: '(nouveau|Intel).*Mesa 8.0'
CompositorUnredirectFSW: true
CurrentDesktop: Unity
Date: Wed Jul 20 11:41:21 2016
DistUpgraded: Fresh install
DistroCodename: xenial
DistroVariant: ubuntu
DkmsStatus:
bbswitch, 0.8, 4.4.0-28-generic, x86_64: installed
bbswitch, 0.8, 4.4.0-31-generic, x86_64: installed
nvidia-367, 367.35, 4.4.0-31-generic, x86_64: installed
ExtraDebuggingInterest: Yes
GraphicsCard:
Intel Corporation Skylake Integrated Graphics [8086:191b] (rev 06) (prog-if
00 [VGA controller])
Subsystem: CLEVO/KAPOK Computer Skylake Integrated Graphics [1558:1501]
NVIDIA Corporation Device [10de:1667] (rev a1) (prog-if 00 [VGA controller])
Subsystem: CLEVO/KAPOK Computer Device [1558:1503]
InstallationDate: Installed on 2016-07-09 (10 days ago)
InstallationMedia: Ubuntu 16.04 LTS "Xenial Xerus" - Release amd64
(20160420.1)
Lsusb:
Bus 002 Device 001: ID 1d6b:0003 Linux Foundation 3.0 root hub
Bus 001 Device 004: ID 1c7a:0603 LighTuning Technology Inc.
Bus 001 Device 003: ID 5986:066d Acer, Inc
Bus 001 Device 002: ID 0cf3:e300 Atheros Communications, Inc.
Bus 001 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
MachineType: Notebook N15_N17RF1
ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-4.4.0-31-generic.efi.signed
root=UUID=32802ab4-59f5-434e-a6a4-8ee988bf7e24 ro nomodeset quiet splash
vt.handoff=7
Renderer: Software
SourcePackage: xorg
UpgradeStatus: No upgrade log present (probably fresh install)
dmi.bios.date: 04/01/2016
dmi.bios.vendor: American Megatrends Inc.
dmi.bios.version: 1.05.02
dmi.board.asset.tag: Tag 12345
dmi.board.name: N15_N17RF1
dmi.board.vendor: Notebook
dmi.board.version: Not Applicable
dmi.chassis.asset.tag: No Asset Tag
dmi.chassis.type: 10
dmi.chassis.vendor: Notebook
dmi.chassis.version: N/A
dmi.modalias:
dmi:bvnAmericanMegatrendsInc.:bvr1.05.02:bd04/01/2016:svnNotebook:pnN15_N17RF1:pvrNotApplicable:rvnNotebook:rnN15_N17RF1:rvrNotApplicable:cvnNotebook:ct10:cvrN/A:
dmi.product.name: N15_N17RF1
dmi.product.version: Not Applicable
dmi.sys.vendor: Notebook
version.compiz: compiz 1:0.9.12.2+16.04.20160714-0ubuntu1
version.ia32-libs: ia32-libs N/A
version.libdrm2: libdrm2 2.4.67-1ubuntu0.16.04.1
version.libgl1-mesa-dri: libgl1-mesa-dri 11.2.0-1ubuntu2
version.libgl1-mesa-dri-experimental: libgl1-mesa-dri-experimental N/A
version.libgl1-mesa-glx: libgl1-mesa-glx 11.2.0-1ubuntu2
version.nvidia-graphics-drivers: nvidia-graphics-drivers-* N/A
version.xserver-xorg-core: xserver-xorg-core 2:1.18.3-1ubuntu2.2
version.xserver-xorg-input-evdev: xserver-xorg-input-evdev 1:2.10.1-1ubuntu2
version.xserver-xorg-video-ati: xserver-xorg-video-ati 1:7.7.0-1
version.xserver-xorg-video-intel: xserver-xorg-video-intel
2:2.99.917+git20160325-1ubuntu1
version.xserver-xorg-video-nouveau: xserver-xorg-video-nouveau
1:1.0.12-1build2
xserver.bootTime: Wed Jul 20 11:23:21 2016
xserver.configfile: default
xserver.logfile: /var/log/Xorg.0.log
xserver.outputs:
xserver.version: 2:1.18.3-1ubuntu2.2
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