You have been subscribed to a public bug:
With the hardware as shown in automatically attached files (HP ProBook
455), display never recovers from resume, although the computer works
fine otherwise (it can be connected to over ssh, in particular). I
disabled the discrete GPU BIOS (that is the current stand) but the
problem remains. Contrary to #1010683, where some people were helped by
using "pm-suspend --quirk-test --quirk-s3-mode", this problem is
exhibited without discrete graphics (thus ruling out problems with
vgaswitcheroo).
WORKAROUND: Install fglrx or fglrx-updates.
ProblemType: Bug
DistroRelease: Ubuntu 14.04
Package: xorg 1:7.7+1ubuntu8
ProcVersionSignature: Ubuntu 3.13.0-32.57-generic 3.13.11.4
Uname: Linux 3.13.0-32-generic x86_64
.tmp.unity.support.test.0:
.tmp.unity.support.test.1:
ApportVersion: 2.14.1-0ubuntu3.2
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
Date: Tue Jul 29 16:32:42 2014
DistUpgraded: Fresh install
DistroCodename: trusty
DistroVariant: ubuntu
ExtraDebuggingInterest: Yes
GpuHangFrequency: Several times a week
GpuHangReproducibility: Yes, I can easily reproduce it
GpuHangStarted: Immediately after installing this version of Ubuntu
GraphicsCard:
Advanced Micro Devices, Inc. [AMD/ATI] Trinity [Radeon HD 7420G] [1002:9992]
(prog-if 00 [VGA controller])
Subsystem: Hewlett-Packard Company Device [103c:194e]
InstallationDate: Installed on 2014-06-27 (31 days ago)
InstallationMedia: Ubuntu 14.04 LTS "Trusty Tahr" - Release amd64 (20140417)
MachineType: Hewlett-Packard HP ProBook 455 G1
ProcEnviron:
TERM=xterm
PATH=(custom, no user)
XDG_RUNTIME_DIR=<set>
LANG=cs_CZ.UTF-8
SHELL=/bin/bash
ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-3.13.0-32-generic
root=UUID=8f659b6c-ad5b-49ef-8f46-052d943c2cb5 ro quiet splash vt.handoff=7
SourcePackage: xorg
Symptom: display
Title: Xorg freeze
UpgradeStatus: No upgrade log present (probably fresh install)
dmi.bios.date: 10/29/2013
dmi.bios.vendor: Hewlett-Packard
dmi.bios.version: 68CPE Ver. F.26
dmi.board.asset.tag: Base Board Asset Tag
dmi.board.name: 194E
dmi.board.vendor: Hewlett-Packard
dmi.board.version: KBC Version 91.0C
dmi.chassis.type: 10
dmi.chassis.vendor: Hewlett-Packard
dmi.modalias:
dmi:bvnHewlett-Packard:bvr68CPEVer.F.26:bd10/29/2013:svnHewlett-Packard:pnHPProBook455G1:pvrA2018CD200:rvnHewlett-Packard:rn194E:rvrKBCVersion91.0C:cvnHewlett-Packard:ct10:cvr:
dmi.product.name: HP ProBook 455 G1
dmi.product.version: A2018CD200
dmi.sys.vendor: Hewlett-Packard
version.compiz: compiz 1:0.9.11.1+14.04.20140701-0ubuntu1
version.ia32-libs: ia32-libs N/A
version.libdrm2: libdrm2 2.4.52-1
version.libgl1-mesa-dri: libgl1-mesa-dri 10.1.3-0ubuntu0.1
version.libgl1-mesa-dri-experimental: libgl1-mesa-dri-experimental N/A
version.libgl1-mesa-glx: libgl1-mesa-glx 10.1.3-0ubuntu0.1
version.xserver-xorg-core: xserver-xorg-core 2:1.15.1-0ubuntu2
version.xserver-xorg-input-evdev: xserver-xorg-input-evdev 1:2.8.2-1ubuntu2
version.xserver-xorg-video-ati: xserver-xorg-video-ati 1:7.3.0-1ubuntu3.1
version.xserver-xorg-video-intel: xserver-xorg-video-intel 2:2.99.910-0ubuntu1
version.xserver-xorg-video-nouveau: xserver-xorg-video-nouveau 1:1.0.10-1ubuntu2
xserver.bootTime: Tue Jul 29 16:24:26 2014
xserver.configfile: default
xserver.errors:
xserver.logfile: /var/log/Xorg.0.log
xserver.version: 2:1.15.1-0ubuntu2
xserver.video_driver: radeon
** Affects: linux (Ubuntu)
Importance: Low
Status: Incomplete
** Tags: amd64 apport-bug compiz-0.9 freeze latest-bios-f.28 trusty ubuntu
--
[HP ProBook 455 G1] Display blank after resume (consistent)
https://bugs.launchpad.net/bugs/1349866
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