On 14.04, with an Intel graphics card, installing GDM (and choosing that as the default) instead of Lightdm worked for me. All of the suggestions with 'sleep' or 'lightdm service restart' were useless for me.
-- 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/1070150 Title: Intermittent black screen or low graphics mode message Status in Light Display Manager: New Status in “linux” package in Ubuntu: Fix Released Bug description: Update - 01.19.13 Some systems are intermittently booting to a black screen or message about low graphics mode but a graphical login display never loads. Multiple GPU's are affected. Intel HD graphics driver and ATI open source driver are confirmed to have the issue. Nvidia binary driver and Nouveau driver still unconfirmed. Multiple users are affected here: http://ubuntuforums.org/showthread.php?t=2073483 There are currently three known workarounds to this issue: 1) Log in with CTRL+ALT+F1 and issue command "sudo service lightdm restart" 2) Add some sleep to /etc/init/lightdm.conf 3) Install and use GDM instead of lightdm lsb_release -rd Description: Ubuntu 12.10 Release: 12.10 uname -a Linux matt-pc 3.5.0-17-generic #28-Ubuntu SMP Tue Oct 9 19:31:23 UTC 2012 x86_64 x86_64 x86_64 GNU/Linux ProblemType: Bug DistroRelease: Ubuntu 12.10 Package: linux-image-3.5.0-17-generic 3.5.0-17.28 ProcVersionSignature: Ubuntu 3.5.0-17.28-generic 3.5.5 Uname: Linux 3.5.0-17-generic x86_64 ApportVersion: 2.6.1-0ubuntu3 Architecture: amd64 AudioDevicesInUse: USER PID ACCESS COMMAND /dev/snd/controlC0: matt 2002 F.... pulseaudio Date: Mon Oct 22 20:55:29 2012 HibernationDevice: RESUME=UUID=d9a43e39-0d27-4a5b-90ca-79dc0278afa2 InstallationMedia: Ubuntu 12.10 "Quantal Quetzal" - Release amd64 (20121017.5) MachineType: System manufacturer System Product Name ProcEnviron: TERM=xterm PATH=(custom, no user) XDG_RUNTIME_DIR=<set> LANG=en_US.UTF-8 SHELL=/bin/bash ProcFB: 0 inteldrmfb ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-3.5.0-17-generic root=UUID=85247ab4-6b7d-4d5a-a265-73b485861e24 ro quiet splash vt.handoff=7 RelatedPackageVersions: linux-restricted-modules-3.5.0-17-generic N/A linux-backports-modules-3.5.0-17-generic N/A linux-firmware 1.95 RfKill: 0: phy0: Wireless LAN Soft blocked: no Hard blocked: no SourcePackage: linux UpgradeStatus: No upgrade log present (probably fresh install) dmi.bios.date: 08/16/2012 dmi.bios.vendor: American Megatrends Inc. dmi.bios.version: 1606 dmi.board.asset.tag: To be filled by O.E.M. dmi.board.name: P8Z77-V dmi.board.vendor: ASUSTeK COMPUTER INC. dmi.board.version: Rev 1.xx dmi.chassis.asset.tag: Asset-1234567890 dmi.chassis.type: 3 dmi.chassis.vendor: Chassis Manufacture dmi.chassis.version: Chassis Version dmi.modalias: dmi:bvnAmericanMegatrendsInc.:bvr1606:bd08/16/2012:svnSystemmanufacturer:pnSystemProductName:pvrSystemVersion:rvnASUSTeKCOMPUTERINC.:rnP8Z77-V:rvrRev1.xx:cvnChassisManufacture:ct3:cvrChassisVersion: dmi.product.name: System Product Name dmi.product.version: System Version dmi.sys.vendor: System manufacturer To manage notifications about this bug go to: https://bugs.launchpad.net/lightdm/+bug/1070150/+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
