Public bug reported:
If I lock my Unity session (Super+L) and power down my two monitors
using external power switch, when after a few minutes I restore the
power to monitors and wake up Ubuntu only my VGA connected LG display
wakes up. My main monitor - a DisplayPort connected Dell U2410 wakes up
only for a brief moment (it's power led goes blue from yellow) but
before any picture would be displayed it goes back to sleep mode (led
goes yellow again).
All of this is true only for X session. If I switch to tty1
(Ctrl+Alt+F1) the Dell wakes up correctly and shows tty1. Going back to
X (Ctrl+Alt+F7) causes this monitor to go to power save mode again.
The only means for me to get my main display back in X is to restart the
computer, as logging in and out of X doesn't help. I have also tried
running Displays configuration tool while in X, but what it only does is
that once I click "Detect Displays" button Dell's power led goes blue
for a brief moment and then immediately back to yellow (power save
mode).
I haven't encountered such behavior with Ubuntu 14.04, nor have I
experienced right after migrating to 16.04. I believe this regression
showed up with some update within the last two weeks.
Both monitors are hooked up to AMD Radeon 5850 graphics card.
ProblemType: Bug
DistroRelease: Ubuntu 16.04
Package: xorg 1:7.7+13ubuntu3
ProcVersionSignature: Ubuntu 4.4.0-22.40-generic 4.4.8
Uname: Linux 4.4.0-22-generic x86_64
.tmp.unity_support_test.0:
ApportVersion: 2.20.1-0ubuntu2
Architecture: amd64
BootLog:
Scanning for Btrfs filesystems
Ubuntu_Root: clean, 690241/3670016 files, 6292028/14652416 blocks
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: Sat May 21 21:22:43 2016
DistUpgraded: 2016-04-23 22:19:53,020 ERROR got error from PostInstallScript
./xorg_fix_proprietary.py (Failed to execute child process
"./xorg_fix_proprietary.py" (No such file or directory))
DistroCodename: xenial
DistroVariant: ubuntu
DkmsStatus:
virtualbox, 5.0.18, 4.4.0-21-generic, x86_64: installed
virtualbox, 5.0.18, 4.4.0-22-generic, x86_64: installed
ExtraDebuggingInterest: Yes
GraphicsCard:
Advanced Micro Devices, Inc. [AMD/ATI] Cypress PRO [Radeon HD 5850]
[1002:6899] (prog-if 00 [VGA controller])
Subsystem: Advanced Micro Devices, Inc. [AMD/ATI] Cypress PRO [Radeon HD
5850] [1002:0b00]
InstallationDate: Installed on 2015-08-22 (272 days ago)
InstallationMedia: Ubuntu 14.04.3 LTS "Trusty Tahr" - Beta amd64 (20150805)
MachineType: MICRO-STAR INTERNATIONAL CO.,LTD MS-7583
ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-4.4.0-22-generic
root=UUID=a709e3c2-0c9b-4102-8135-3a38cc17bd0b ro quiet splash vt.handoff=7
SourcePackage: xorg
Symptom: display
UpgradeStatus: Upgraded to xenial on 2016-04-23 (27 days ago)
dmi.bios.date: 08/18/2011
dmi.bios.vendor: American Megatrends Inc.
dmi.bios.version: V1.11
dmi.board.asset.tag: To Be Filled By O.E.M.
dmi.board.name: P55-GD65 (MS-7583)
dmi.board.vendor: MICRO-STAR INTERNATIONAL CO.,LTD
dmi.board.version: 1.0
dmi.chassis.asset.tag: To Be Filled By O.E.M.
dmi.chassis.type: 3
dmi.chassis.vendor: MICRO-STAR INTERNATIONAL CO.,LTD
dmi.chassis.version: 1.0
dmi.modalias:
dmi:bvnAmericanMegatrendsInc.:bvrV1.11:bd08/18/2011:svnMICRO-STARINTERNATIONALCO.,LTD:pnMS-7583:pvr1.0:rvnMICRO-STARINTERNATIONALCO.,LTD:rnP55-GD65(MS-7583):rvr1.0:cvnMICRO-STARINTERNATIONALCO.,LTD:ct3:cvr1.0:
dmi.product.name: MS-7583
dmi.product.version: 1.0
dmi.sys.vendor: MICRO-STAR INTERNATIONAL CO.,LTD
version.compiz: compiz 1:0.9.12.2+16.04.20160415-0ubuntu1
version.ia32-libs: ia32-libs N/A
version.libdrm2: libdrm2 2.4.67-1
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.xserver-xorg-core: xserver-xorg-core 2:1.18.3-1ubuntu2
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: Sat May 21 20:49:42 2016
xserver.configfile: default
xserver.errors:
xserver.logfile: /var/log/Xorg.0.log
xserver.version: 2:1.18.3-1ubuntu2
xserver.video_driver: radeon
** Affects: xorg (Ubuntu)
Importance: Undecided
Status: New
** Tags: amd64 apport-bug compiz-0.9 third-party-packages ubuntu xenial
--
You received this bug notification because you are a member of Ubuntu-X,
which is subscribed to xorg in Ubuntu.
https://bugs.launchpad.net/bugs/1584386
Title:
Main monitor doesn't wake up after system suspend
To manage notifications about this bug go to:
https://bugs.launchpad.net/ubuntu/+source/xorg/+bug/1584386/+subscriptions
_______________________________________________
Mailing list: https://launchpad.net/~ubuntu-x-swat
Post to : ubuntu-x-swat@lists.launchpad.net
Unsubscribe : https://launchpad.net/~ubuntu-x-swat
More help : https://help.launchpad.net/ListHelp
