** Changed in: linux (Ubuntu Vivid)
Status: In Progress => Won't Fix
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https://bugs.launchpad.net/bugs/1646537
Title:
Backlight sometimes fails to resume from suspend & screen brightness
sometimes will not dim below 100%
Status in linux package in Ubuntu:
Fix Released
Status in xorg package in Ubuntu:
Invalid
Status in linux source package in Vivid:
Won't Fix
Status in xorg source package in Vivid:
Invalid
Status in linux source package in Xenial:
Fix Released
Status in xorg source package in Xenial:
Invalid
Bug description:
Back-light sometimes fails to resume from suspend & screen brightness
sometimes will not dim below 100%
Issue is interment in occurrence. Will be reproducible with the
command "sudo pm-suspend" & or close/reopen laptop lid for a period of
time days or hours, then go a period of time, days or hours without
being able to trigger it again.
This is irrespective of running "apt-get update && apt-get upgrade -y"
and has continued to be intermittent on last 3 versions of 3.19
kernel.
ProblemType: Bug
DistroRelease: Ubuntu 14.04
Package: xorg 1:7.7+1ubuntu8.1
ProcVersionSignature: Ubuntu 3.19.0-74.82~14.04.1-generic 3.19.8-ckt22
Uname: Linux 3.19.0-74-generic x86_64
.tmp.unity.support.test.0:
ApportVersion: 2.14.1-0ubuntu3.21
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: Thu Dec 1 10:06:43 2016
DistUpgraded: Fresh install
DistributionChannelDescriptor:
# This is a distribution channel descriptor
# For more information see
http://wiki.ubuntu.com/DistributionChannelDescriptor
canonical-oem-somerville-trusty-amd64-osp1-20150721-1
DistroCodename: trusty
DistroVariant: ubuntu
ExtraDebuggingInterest: Yes
GraphicsCard:
Intel Corporation Device [8086:191b] (rev 06) (prog-if 00 [VGA controller])
Subsystem: Dell Device [1028:06e5]
InstallationDate: Installed on 2016-11-22 (8 days ago)
InstallationMedia: Ubuntu 14.04 "Trusty" - Build amd64 LIVE Binary
20150721-23:28
Lsusb:
Bus 002 Device 001: ID 1d6b:0003 Linux Foundation 3.0 root hub
Bus 001 Device 003: ID 04f3:21d4 Elan Microelectronics Corp.
Bus 001 Device 002: ID 8087:0a2b Intel Corp.
Bus 001 Device 004: ID 1bcf:2b95 Sunplus Innovation Technology Inc.
Bus 001 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
MachineType: Dell Inc. Precision 5510
ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-3.19.0-74-generic.efi.signed
root=UUID=8eaa6744-6718-456a-bda0-762475144d35 ro quiet splash vt.handoff=7
SourcePackage: xorg
Symptom: display
UpgradeStatus: No upgrade log present (probably fresh install)
dmi.bios.date: 08/31/2016
dmi.bios.vendor: Dell Inc.
dmi.bios.version: 1.2.14
dmi.board.name: 0W7V82
dmi.board.vendor: Dell Inc.
dmi.board.version: A00
dmi.chassis.type: 9
dmi.chassis.vendor: Dell Inc.
dmi.modalias:
dmi:bvnDellInc.:bvr1.2.14:bd08/31/2016:svnDellInc.:pnPrecision5510:pvr:rvnDellInc.:rn0W7V82:rvrA00:cvnDellInc.:ct9:cvr:
dmi.product.name: Precision 5510
dmi.sys.vendor: Dell Inc.
version.compiz: compiz 1:0.9.11.3+14.04.20160425-0ubuntu1
version.ia32-libs: ia32-libs N/A
version.libdrm2: libdrm2 2.4.67-1ubuntu0.14.04.1
version.libgl1-mesa-dri: libgl1-mesa-dri N/A
version.libgl1-mesa-dri-experimental: libgl1-mesa-dri-experimental N/A
version.libgl1-mesa-glx: libgl1-mesa-glx 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: Thu Dec 1 09:14:43 2016
xserver.configfile: default
xserver.errors:
xserver.logfile: /var/log/Xorg.0.log
xserver.outputs:
product id 5182
vendor SHP
xserver.version: 2:1.17.1-0ubuntu3.1~trusty1.1
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