** Changed in: xorg (Ubuntu)
Status: Incomplete => New
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https://bugs.launchpad.net/bugs/1715749
Title:
Intermittent black screen on HP EliteBook 840 G1
Status in xorg package in Ubuntu:
New
Bug description:
Once every couple hours, the internal laptop display goes black for a
few seconds.
This was reproducible:
+ With the laptop connected to a port replicator and the external display
connected into the port replicator DP port via DP-DVI adapter. The external
display remains on during this time.
+ With the laptop not connected into a port replicator but connected to an
external display. The external display remains on during this time.
+ With the laptop not connected to either a port replicator or an external
display.
The hard disk was originally installed with Ubuntu MATE 14.10 in a HP
EliteBook 6930p, upgraded to 15.04, 15.10 and eventually 16.04 and
finally moved to the EliteBook 840 G1. The problem started immediately
after the drive move.
ProblemType: Bug
DistroRelease: Ubuntu 16.04
Package: xorg 1:7.7+13ubuntu3
ProcVersionSignature: Ubuntu 4.4.0-93.116-generic 4.4.79
Uname: Linux 4.4.0-93-generic x86_64
ApportVersion: 2.20.1-0ubuntu2.10
Architecture: amd64
CurrentDesktop: MATE
Date: Fri Sep 8 00:53:24 2017
EcryptfsInUse: Yes
InstallationDate: Installed on 2014-12-09 (1002 days ago)
InstallationMedia: Ubuntu MATE 14.10 "Utopic Unicorn" - amd64 (20141023)
SourcePackage: xorg
UpgradeStatus: No upgrade log present (probably fresh install)
---
ApportVersion: 2.20.1-0ubuntu2.15
Architecture: amd64
CompizPlugins: No value set for
`/apps/compiz-1/general/screen0/options/active_plugins'
CompositorRunning: None
CurrentDesktop: MATE
DistUpgraded: Fresh install
DistroCodename: xenial
DistroRelease: Ubuntu 16.04
DistroVariant: ubuntu
EcryptfsInUse: Yes
ExtraDebuggingInterest: Yes, if not too technical
GraphicsCard:
Intel Corporation Haswell-ULT Integrated Graphics Controller [8086:0a16]
(rev 0b) (prog-if 00 [VGA controller])
Subsystem: Hewlett-Packard Company Haswell-ULT Integrated Graphics
Controller [103c:198f]
InstallationDate: Installed on 2014-12-09 (1158 days ago)
InstallationMedia: Ubuntu MATE 14.10 "Utopic Unicorn" - amd64 (20141023)
MachineType: Hewlett-Packard HP EliteBook 840 G1
Package: xorg 1:7.7+13ubuntu3
PackageArchitecture: amd64
ProcKernelCmdLine: BOOT_IMAGE=/vmlinuz-4.4.0-112-generic
root=/dev/mapper/ubuntu--vg-root ro quiet splash vt.handoff=7
ProcVersionSignature: Ubuntu 4.4.0-112.135-generic 4.4.98
Tags: xenial ubuntu
Uname: Linux 4.4.0-112-generic x86_64
UpgradeStatus: No upgrade log present (probably fresh install)
UserGroups: adm cdrom dialout dip lpadmin plugdev sambashare sudo
_MarkForUpload: True
dmi.bios.date: 05/23/2016
dmi.bios.vendor: Hewlett-Packard
dmi.bios.version: L71 Ver. 01.37
dmi.board.name: 198F
dmi.board.vendor: Hewlett-Packard
dmi.board.version: KBC Version 15.59
dmi.chassis.asset.tag: CNU407CM0V
dmi.chassis.type: 10
dmi.chassis.vendor: Hewlett-Packard
dmi.modalias:
dmi:bvnHewlett-Packard:bvrL71Ver.01.37:bd05/23/2016:svnHewlett-Packard:pnHPEliteBook840G1:pvrA3009DD10203:rvnHewlett-Packard:rn198F:rvrKBCVersion15.59:cvnHewlett-Packard:ct10:cvr:
dmi.product.name: HP EliteBook 840 G1
dmi.product.version: A3009DD10203
dmi.sys.vendor: Hewlett-Packard
version.compiz: compiz 1:0.9.12.2+16.04.20160823-0ubuntu1
version.ia32-libs: ia32-libs N/A
version.libdrm2: libdrm2 2.4.83-1~16.04.1
version.libgl1-mesa-dri: libgl1-mesa-dri 17.2.4-0ubuntu1~16.04.4
version.libgl1-mesa-dri-experimental: libgl1-mesa-dri-experimental N/A
version.libgl1-mesa-glx: libgl1-mesa-glx 17.2.4-0ubuntu1~16.04.4
version.xserver-xorg-core: xserver-xorg-core 2:1.18.4-0ubuntu0.7
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+git20160325-1ubuntu1.2
version.xserver-xorg-video-nouveau: xserver-xorg-video-nouveau
1:1.0.12-1build2
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