The fix has been commited: https://bugs.freedesktop.org/show_bug.cgi?id=42960#c57 , but apparently the patch hasn't been merged in any kernel in ubuntu. Could you guys please merge it?
-- 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/1313804 Title: [HP Pavilion dv6-6145eo Entertainment Notebook PC] Laptop display does not turn back on after resuming from suspend Status in linux package in Ubuntu: Incomplete Bug description: On HP Pavilion dv6 the laptop display does not turn back on when resuming from suspend. External monitor wakes up just fine and the computer works normally except for the build in display which remains black. It should be noted that this is a dual graphics laptop (lspci | grep VGA): 00:01.0 VGA compatible controller: Advanced Micro Devices, Inc. [AMD/ATI] BeaverCreek [Radeon HD 6520G] 01:00.0 VGA compatible controller: Advanced Micro Devices, Inc. [AMD/ATI] Whistler [Radeon HD 6630M/6650M/6750M/7670M/7690M] (rev ff) WORKAROUND: Suspending with "sudo pm-suspend --quirk-test --quirk-s3-bios" makes the computer resume normally with fully working display. ProblemType: Bug DistroRelease: Ubuntu 14.04 Package: linux-image-3.13.0-24-generic 3.13.0-24.46 [modified: boot/vmlinuz-3.13.0-24-generic] ProcVersionSignature: Ubuntu 3.13.0-24.46-generic 3.13.9 Uname: Linux 3.13.0-24-generic x86_64 ApportVersion: 2.14.1-0ubuntu3 Architecture: amd64 AudioDevicesInUse: USER PID ACCESS COMMAND /dev/snd/controlC1: markus 1907 F.... pulseaudio /dev/snd/controlC0: markus 1907 F.... pulseaudio CurrentDesktop: Unity Date: Mon Apr 28 18:53:18 2014 HibernationDevice: RESUME=UUID=ab1af41b-a639-463f-b406-431c8778f79d InstallationDate: Installed on 2014-04-27 (0 days ago) InstallationMedia: Ubuntu 14.04 LTS "Trusty Tahr" - Release amd64 (20140417) MachineType: Hewlett-Packard HP Pavilion dv6 Notebook PC ProcFB: 0 radeondrmfb 1 radeondrmfb ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-3.13.0-24-generic root=UUID=8b0f125d-261b-4d22-939f-546340147d79 ro quiet splash vt.handoff=7 RelatedPackageVersions: linux-restricted-modules-3.13.0-24-generic N/A linux-backports-modules-3.13.0-24-generic N/A linux-firmware 1.127 SourcePackage: linux UpgradeStatus: No upgrade log present (probably fresh install) dmi.bios.date: 07/13/2011 dmi.bios.vendor: Hewlett-Packard dmi.bios.version: F.20 dmi.board.asset.tag: Base Board Asset Tag dmi.board.name: 358D dmi.board.vendor: Hewlett-Packard dmi.board.version: 33.18 dmi.chassis.asset.tag: Chassis Asset Tag dmi.chassis.type: 10 dmi.chassis.vendor: Hewlett-Packard dmi.chassis.version: Chassis Version dmi.modalias: dmi:bvnHewlett-Packard:bvrF.20:bd07/13/2011:svnHewlett-Packard:pnHPPaviliondv6NotebookPC:pvr058F110000244610000620100:rvnHewlett-Packard:rn358D:rvr33.18:cvnHewlett-Packard:ct10:cvrChassisVersion: dmi.product.name: HP Pavilion dv6 Notebook PC dmi.product.version: 058F110000244610000620100 dmi.sys.vendor: Hewlett-Packard To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1313804/+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
