Public bug reported:
Occasionally, when I recover from power save mode I get a black screen
with just a cursor. I can't see the desktop or any applications but,
according to ps, they are still running. I have to kill X to recover
from this bug.
ProblemType: Bug
DistroRelease: Ubuntu 14.04
Package: xorg 1:7.7+1ubuntu8.1
ProcVersionSignature: Ubuntu 3.16.0-38.52~14.04.1-generic 3.16.7-ckt10
Uname: Linux 3.16.0-38-generic x86_64
ApportVersion: 2.14.1-0ubuntu3.11
Architecture: amd64
CompizPlugins: No value set for
`/apps/compiz-1/general/screen0/options/active_plugins'
Date: Wed Jun 10 07:31:30 2015
DistUpgraded: Fresh install
DistroCodename: trusty
DistroVariant: kubuntu
DkmsStatus: virtualbox, 4.3.10, 3.16.0-38-generic, x86_64: installed
ExtraDebuggingInterest: Yes, including running git bisection searches
GraphicsCard:
Advanced Micro Devices, Inc. [AMD/ATI] Oland [Radeon HD 8570 / R7 240 OEM]
[1002:6611] (prog-if 00 [VGA controller])
Subsystem: Dell Radeon R5 240 OEM [1028:210b]
InstallationDate: Installed on 2015-05-15 (26 days ago)
InstallationMedia: Ubuntu 14.04.2 LTS "Trusty Tahr" - Release amd64 (20150218.1)
MachineType: Dell Inc. OptiPlex 7020
ProcKernelCmdLine: BOOT_IMAGE=/vmlinuz-3.16.0-38-generic
root=/dev/mapper/ubuntu--vg-root ro quiet splash vt.handoff=7
SourcePackage: xorg
UpgradeStatus: No upgrade log present (probably fresh install)
dmi.bios.date: 08/23/2014
dmi.bios.vendor: Dell Inc.
dmi.bios.version: A01
dmi.board.name: 08WKV3
dmi.board.vendor: Dell Inc.
dmi.board.version: A00
dmi.chassis.type: 6
dmi.chassis.vendor: Dell Inc.
dmi.modalias:
dmi:bvnDellInc.:bvrA01:bd08/23/2014:svnDellInc.:pnOptiPlex7020:pvr01:rvnDellInc.:rn08WKV3:rvrA00:cvnDellInc.:ct6:cvr:
dmi.product.name: OptiPlex 7020
dmi.product.version: 01
dmi.sys.vendor: Dell Inc.
version.compiz: compiz 1:0.9.11.3+14.04.20150313-0ubuntu1
version.ia32-libs: ia32-libs N/A
version.libdrm2: libdrm2 2.4.60-2~ubuntu14.04.1
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: Tue Jun 9 13:53:56 2015
xserver.configfile: default
xserver.devices:
input Power Button KEYBOARD, id 6
input Power Button KEYBOARD, id 7
input Logitech USB Optical Mouse MOUSE, id 8
input Dell Dell Smart Card Reader Keyboard KEYBOARD, id 9
xserver.errors:
xserver.logfile: /var/log/Xorg.0.log
xserver.version: 2:1.16.0-1ubuntu1.2~trusty2
xserver.video_driver: radeon
** Affects: xorg (Ubuntu)
Importance: Undecided
Status: New
** Tags: amd64 apport-bug kubuntu trusty
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which is subscribed to xorg in Ubuntu.
https://bugs.launchpad.net/bugs/1463864
Title:
Black Screen When Recovering from power save mode
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