Same here. Ubuntu 14.04.1 64 Bit After resume freezing on amd graphic card. When I am on intel suspend work fine.
-- You received this bug notification because you are a member of Kernel Packages, which is subscribed to linux in Ubuntu. https://bugs.launchpad.net/bugs/1283938 Title: [Samsung NP535U4X-S01TH] Ubuntu 14.04 blank screen after wakeup from sleep Status in The Linux Kernel: Unknown Status in “linux” package in Ubuntu: Incomplete Bug description: ******* ISSUE ******* HOW TO REPRODUCE 1. Suspend the device 2. Wake it up EXPECTED BEHAVIOUR - The device to resume normally REAL BEHAVIOUR - The screen goes blank RELEVANT DETAILS - In the "/etc/default/grub" file; changing "quiet splash" option to "nomodeset" allows the wakeup, but the computer gets so slow it is unusable. ********** SOLUTION ********** WORK-AROUND - Installing the "fglrx" proprietary package. FIX - https://bugzilla.kernel.org/show_bug.cgi?id=76761#c3 REGRESSION POTENTIAL - Since this affects an essential hardware component, the regression potential is high. **************** TECHNICAL INFO **************** 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 To manage notifications about this bug go to: https://bugs.launchpad.net/linux/+bug/1283938/+subscriptions -- Mailing list: https://launchpad.net/~kernel-packages Post to : kernel-packages@lists.launchpad.net Unsubscribe : https://launchpad.net/~kernel-packages More help : https://help.launchpad.net/ListHelp