Did this issue start happening after an update/upgrade? Was there a prior kernel version where you were not having this particular problem?
Would it be possible for you to test the latest upstream kernel? Refer to https://wiki.ubuntu.com/KernelMainlineBuilds . Please test the latest v4.0 kernel[0]. If this bug is fixed in the mainline kernel, please add the following tag 'kernel-fixed-upstream'. If the mainline kernel does not fix this bug, please add the tag: 'kernel-bug-exists-upstream'. If you are unable to test the mainline kernel, for example it will not boot, please add the tag: 'kernel-unable-to-test-upstream'. Once testing of the upstream kernel is complete, please mark this bug as "Confirmed". Thanks in advance. [0] http://kernel.ubuntu.com/~kernel-ppa/mainline/v4.0-rc2-vivid/ ** Changed in: linux (Ubuntu) Importance: Undecided => Medium ** Changed in: linux (Ubuntu) Status: Confirmed => Incomplete -- 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/1428787 Title: Static on the screen after returning from hibernation Status in linux package in Ubuntu: Incomplete Bug description: After returning from the hibernation ( was hibernated using the command sudo pm-hibernate), the screen comes out very ugly. Most of the text on the screen is unreadable due to missing pixels. Even for the newly typed text ( especially the caharacer 'h'), lot of pixels missing everywhere. This problem is found everywhere, from newly opened windows to, menus, appswitcher, logout dialogue, everything! And only way to get back to normal, so far, is to restart ProblemType: Bug DistroRelease: Ubuntu 14.10 Package: linux-image-3.16.0-31-generic 3.16.0-31.41 ProcVersionSignature: Ubuntu 3.16.0-31.41-generic 3.16.7-ckt5 Uname: Linux 3.16.0-31-generic x86_64 NonfreeKernelModules: wl ApportVersion: 2.14.7-0ubuntu8.2 Architecture: amd64 AudioDevicesInUse: USER PID ACCESS COMMAND /dev/snd/controlC0: sanjul 14259 F.... pulseaudio CurrentDesktop: Unity Date: Thu Mar 5 23:48:13 2015 HibernationDevice: RESUME=UUID=1259154b-7454-4cb5-aa66-4fb89abe9694 InstallationDate: Installed on 2015-02-08 (25 days ago) InstallationMedia: Ubuntu 14.10 "Utopic Unicorn" - Release amd64 (20141022.1) MachineType: Dell Inc. Inspiron 1440 ProcFB: 0 inteldrmfb ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-3.16.0-31-generic root=UUID=7d72c4c8-86a9-4225-bb86-8e17b1fc4731 ro quiet splash vt.handoff=7 RelatedPackageVersions: linux-restricted-modules-3.16.0-31-generic N/A linux-backports-modules-3.16.0-31-generic N/A linux-firmware 1.138.1 SourcePackage: linux UpgradeStatus: No upgrade log present (probably fresh install) dmi.bios.date: 07/29/2009 dmi.bios.vendor: Dell Inc. dmi.bios.version: A03 dmi.board.name: 0K138P dmi.board.vendor: Dell Inc. dmi.chassis.type: 8 dmi.chassis.vendor: Dell Inc. dmi.modalias: dmi:bvnDellInc.:bvrA03:bd07/29/2009:svnDellInc.:pnInspiron1440:pvr:rvnDellInc.:rn0K138P:rvr:cvnDellInc.:ct8:cvr: dmi.product.name: Inspiron 1440 dmi.sys.vendor: Dell Inc. To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1428787/+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