** Attachment added: "video" https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1401672/+attachment/4278932/+files/video
-- 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/1401672 Title: Backlight not turned on by resume Status in linux package in Ubuntu: Confirmed Bug description: When the laptop resumes either from a manual suspend or from a suspend as a result of closing the lid the operating system resumes but the backlight on the display is not turned on, so nothing is visible. The system is completely operational from an external point of view. For example it is accessible by ssh, ftp, and http. The keyboard works so the system can be restarted by Alt-PrtScrn-RSEIUB, but this loses all outstanding activities. How do I attach multiple additional documents that are recommended by the wiki for this class of problems. ProblemType: Bug DistroRelease: Ubuntu 14.10 Package: linux-image-3.16.0-25-generic 3.16.0-25.33 ProcVersionSignature: Ubuntu 3.16.0-25.33-generic 3.16.7 Uname: Linux 3.16.0-25-generic x86_64 NonfreeKernelModules: wl ApportVersion: 2.14.7-0ubuntu8 Architecture: amd64 AudioDevicesInUse: USER PID ACCESS COMMAND /dev/snd/controlC1: jcobban 2189 F.... pulseaudio /dev/snd/controlC0: jcobban 2189 F.... pulseaudio CurrentDesktop: Unity Date: Thu Dec 11 16:10:42 2014 HibernationDevice: RESUME=UUID=e1d460c4-e29e-470e-a302-7891166d98f7 InstallationDate: Installed on 2014-11-22 (19 days ago) InstallationMedia: Ubuntu 14.10 "Utopic Unicorn" - Release amd64 (20141022.1) MachineType: Dell Inc. Vostro 3555 ProcFB: 0 radeondrmfb ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-3.16.0-25-generic root=UUID=5850bfca-8269-4a92-8fda-798e6557b0bd ro quiet splash RelatedPackageVersions: linux-restricted-modules-3.16.0-25-generic N/A linux-backports-modules-3.16.0-25-generic N/A linux-firmware 1.138 SourcePackage: linux UpgradeStatus: No upgrade log present (probably fresh install) dmi.bios.date: 05/28/2014 dmi.bios.vendor: Dell Inc. dmi.bios.version: A06 dmi.board.name: 0K89MF dmi.board.vendor: Dell Inc. dmi.board.version: A06 dmi.chassis.type: 8 dmi.chassis.vendor: Dell Inc. dmi.chassis.version: Not Specified dmi.modalias: dmi:bvnDellInc.:bvrA06:bd05/28/2014:svnDellInc.:pnVostro3555:pvrNotSpecified:rvnDellInc.:rn0K89MF:rvrA06:cvnDellInc.:ct8:cvrNotSpecified: dmi.product.name: Vostro 3555 dmi.product.version: Not Specified dmi.sys.vendor: Dell Inc. To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1401672/+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