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Message #68069
[Bug 1283938] Re: [Samsung NP535U4X-S01TH] Ubuntu 14.04 blank screen after wakeup from sleep
For me, coming back from standby, I see a black screen with backlight
on, but cannot do anything. Shutting down the system using the power
button works however from this state (interestingly, xubuntu screen with
waiting animation comes up).
"sudo pm-suspend" works fine, though.
Xubuntu 14.04, i386 kernel, Pentium M ULV 733, Intel i855 graphics, 2GB
RAM (Fujitsu Siemens Lifebook P7010)
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https://bugs.launchpad.net/bugs/1283938
Title:
[Samsung NP535U4X-S01TH] Ubuntu 14.04 blank screen after wakeup from
sleep
Status in “linux” package in Ubuntu:
Incomplete
Bug description:
In 14.04 after wakeup from suspend, the notebook screen goes blank
while the OS and the hardware is awake (I can also press Ctrl+F1 and
Ctrl+Alt+Del to reboot the system).
Changeing "quiet splash" to "nomodeset" in /etc/default/grub allows
the wakeup, but the pc is really slow (can't be used).
WORKAROUND: This problem is not happening with the AMD property
drivers.
ProblemType: Bug
DistroRelease: Ubuntu 14.04
Package: xserver-xorg-video-ati 1:7.3.0-1ubuntu2
ProcVersionSignature: Ubuntu 3.13.0-11.31-generic 3.13.3
Uname: Linux 3.13.0-11-generic x86_64
.tmp.unity.support.test.0:
ApportVersion: 2.13.2-0ubuntu5
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: Mon Feb 24 12:58:07 2014
DistUpgraded: Fresh install
DistroCodename: trusty
DistroVariant: ubuntu
DkmsStatus: virtualbox, 4.3.6, 3.13.0-11-generic, x86_64: installed
GraphicsCard:
Advanced Micro Devices, Inc. [AMD/ATI] Trinity [Radeon HD 7500G] [1002:990a] (prog-if 00 [VGA controller])
Subsystem: Samsung Electronics Co Ltd Device [144d:c660]
Advanced Micro Devices, Inc. [AMD/ATI] Thames [Radeon HD 7550M/7570M/7650M] [1002:6841] (rev ff) (prog-if ff)
InstallationDate: Installed on 2014-02-22 (1 days ago)
InstallationMedia: Ubuntu 14.04 LTS "Trusty Tahr" - Alpha amd64 (20140218)
MachineType: SAMSUNG ELECTRONICS CO., LTD. 535U4C
ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-3.13.0-11-generic root=UUID=9f8c7e92-a6ea-41fd-9489-a256c8b9f5d5 ro quiet splash vt.handoff=7
SourcePackage: xserver-xorg-video-ati
UpgradeStatus: No upgrade log present (probably fresh install)
dmi.bios.date: 04/03/2013
dmi.bios.vendor: American Megatrends Inc.
dmi.bios.version: P06RAF.N93.130403.LEO
dmi.board.asset.tag: No Asset Tag
dmi.board.name: NP535U4X-S01TH
dmi.board.vendor: SAMSUNG ELECTRONICS CO., LTD.
dmi.board.version: SEC_SW_REVISION_1234567890ABCD
dmi.chassis.asset.tag: No Asset Tag
dmi.chassis.type: 9
dmi.chassis.vendor: SAMSUNG ELECTRONICS CO., LTD.
dmi.chassis.version: N/A
dmi.modalias: dmi:bvnAmericanMegatrendsInc.:bvrP06RAF.N93.130403.LEO:bd04/03/2013:svnSAMSUNGELECTRONICSCO.,LTD.:pn535U4C:pvrP06RAF:rvnSAMSUNGELECTRONICSCO.,LTD.:rnNP535U4X-S01TH:rvrSEC_SW_REVISION_1234567890ABCD:cvnSAMSUNGELECTRONICSCO.,LTD.:ct9:cvrN/A:
dmi.product.name: 535U4C
dmi.product.version: P06RAF
dmi.sys.vendor: SAMSUNG ELECTRONICS CO., LTD.
version.compiz: compiz 1:0.9.11+14.04.20140218-0ubuntu1
version.ia32-libs: ia32-libs N/A
version.libdrm2: libdrm2 2.4.52-1
version.libgl1-mesa-dri: libgl1-mesa-dri 10.1.0~rc1-1ubuntu4
version.libgl1-mesa-dri-experimental: libgl1-mesa-dri-experimental N/A
version.libgl1-mesa-glx: libgl1-mesa-glx 10.1.0~rc1-1ubuntu4
version.xserver-xorg-core: xserver-xorg-core 2:1.15.0-1ubuntu6
version.xserver-xorg-input-evdev: xserver-xorg-input-evdev 1:2.8.2-1ubuntu2
version.xserver-xorg-video-ati: xserver-xorg-video-ati 1:7.3.0-1ubuntu2
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: Mon Feb 24 12:54:54 2014
xserver.configfile: default
xserver.errors: RADEON(G0): [XvMC] Failed to initialize extension.
xserver.logfile: /var/log/Xorg.0.log
xserver.version: 2:1.15.0-1ubuntu6
xserver.video_driver: radeon
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