I have the same problem. Have tried all video driver options in settings. I must boot with nomodeset in order to see something different from a black screen, which looks the same as the black screen described in the bug. My dmesg output is attached.
** Attachment added: "full_dmesg" https://bugs.launchpad.net/ubuntu/+source/gnome-screensaver/+bug/1173493/+attachment/3849362/+files/full_dmesg -- You received this bug notification because you are a member of Desktop Packages, which is subscribed to gnome-screensaver in Ubuntu. https://bugs.launchpad.net/bugs/1173493 Title: Unable to resume after screen has locked on ubuntu 13.04 Status in “gnome-screensaver” package in Ubuntu: Confirmed Bug description: On an updated Ubuntu 13.04 if I wait more than ~20 seconds before tray to unlock the screen stays completely black and the system require an hardware reboot. If I unlock the screen before the ~20 seconds are expired everything works perfectly. ProblemType: Bug DistroRelease: Ubuntu 13.04 Package: xorg 1:7.7+1ubuntu4 ProcVersionSignature: Ubuntu 3.8.0-19.29-generic 3.8.8 Uname: Linux 3.8.0-19-generic x86_64 .tmp.unity.support.test.0: ApportVersion: 2.9.2-0ubuntu8 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 Date: Sat Apr 27 09:12:33 2013 DistUpgraded: 2013-04-26 12:30:09,085 DEBUG enabling apt cron job DistroCodename: raring DistroVariant: ubuntu GraphicsCard: Intel Corporation 3rd Gen Core processor Graphics Controller [8086:0166] (rev 09) (prog-if 00 [VGA controller]) Subsystem: Dell Device [1028:0569] InstallationDate: Installed on 2012-12-10 (137 days ago) InstallationMedia: Ubuntu GNOME Remix 12.10 "Quantal Quetzal" - Release amd64(20121023) MachineType: Dell Inc. Inspiron 5520 MarkForUpload: True ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-3.8.0-19-generic root=UUID=0f01392f-542e-4a05-930c-c659e2a9f6a6 ro quiet splash vt.handoff=7 SourcePackage: xorg Symptom: display UpgradeStatus: Upgraded to raring on 2013-04-26 (0 days ago) dmi.bios.date: 10/03/2012 dmi.bios.vendor: Dell Inc. dmi.bios.version: A11 dmi.board.name: 04G65K dmi.board.vendor: Dell Inc. dmi.board.version: A00 dmi.chassis.type: 8 dmi.chassis.vendor: Dell Inc. dmi.chassis.version: A11 dmi.modalias: dmi:bvnDellInc.:bvrA11:bd10/03/2012:svnDellInc.:pnInspiron5520:pvrA11:rvnDellInc.:rn04G65K:rvrA00:cvnDellInc.:ct8:cvrA11: dmi.product.name: Inspiron 5520 dmi.product.version: A11 dmi.sys.vendor: Dell Inc. version.compiz: compiz 1:0.9.9~daily13.04.18.1~13.04-0ubuntu1 version.ia32-libs: ia32-libs N/A version.libdrm2: libdrm2 2.4.43-0ubuntu1 version.libgl1-mesa-dri: libgl1-mesa-dri 9.1.1-0ubuntu3 version.libgl1-mesa-dri-experimental: libgl1-mesa-dri-experimental N/A version.libgl1-mesa-glx: libgl1-mesa-glx 9.1.1-0ubuntu3 version.xserver-xorg-core: xserver-xorg-core 2:1.13.3-0ubuntu6 version.xserver-xorg-input-evdev: xserver-xorg-input-evdev 1:2.7.3-0ubuntu2b2 version.xserver-xorg-video-ati: xserver-xorg-video-ati 1:7.1.0-0ubuntu2 version.xserver-xorg-video-intel: xserver-xorg-video-intel 2:2.21.6-0ubuntu4 version.xserver-xorg-video-nouveau: xserver-xorg-video-nouveau 1:1.0.7-0ubuntu1 To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/gnome-screensaver/+bug/1173493/+subscriptions -- Mailing list: https://launchpad.net/~desktop-packages Post to : desktop-packages@lists.launchpad.net Unsubscribe : https://launchpad.net/~desktop-packages More help : https://help.launchpad.net/ListHelp
