Public bug reported: I'm running 12.10, and since installing the stable release in October I didn't install any upgrades. This week, after installing the latest upgrades, lightdm stopped working: the Xserver starts, and dies immediately, leaving me on a tty7 with remains of log messages.
If I log in and manually restart lightdm, it works. I think I am not alone in this, as a user had reported exactly the same back in July in the xubuntu-users mailing list: https://lists.ubuntu.com/archives/xubuntu-users/2012-July/004252.html I've done some tests and: - If I disable plymouth (by removing splash from GRUB_CMDLINE_LINUX_DEFAULT in /etc/default/grub) the bug goes away - If I press 'esc' to exit plymouth before lightdm triess to start the bug also goes away Looking at the lightdm log, it seems that it decides to kill itself: ... [+1.22s] DEBUG: Starting Light Display Manager 1.4.0, UID=0 PID=1138 (notice the pid) ... [+5.59s] DEBUG: New display ready, switching to it [+5.59s] DEBUG: Activating VT 7 [+6.53s] DEBUG: Greeter start authentication for knuckles [+6.54s] DEBUG: Started session 1862 with service 'lightdm', username 'knuckles' [+6.54s] DEBUG: Greeter start authentication for knuckles [+6.54s] DEBUG: Session 1862: Sending SIGTERM [+6.54s] DEBUG: Started session 1863 with service 'lightdm', username 'knuckles' [+6.54s] DEBUG: Got signal 15 from process 1138 (signal to die received from itself!!) [+6.54s] DEBUG: Caught Terminated signal, shutting down ... This is what leads me to believe that the bug is in lightdm. ProblemType: Bug DistroRelease: Ubuntu 12.10 Package: xorg 1:7.7+1ubuntu4 ProcVersionSignature: Ubuntu 3.5.0-19.30-generic 3.5.7 Uname: Linux 3.5.0-19-generic x86_64 NonfreeKernelModules: fglrx .tmp.unity.support.test.0: ApportVersion: 2.6.1-0ubuntu6 Architecture: amd64 CompizPlugins: No value set for `/apps/compiz-1/general/screen0/options/active_plugins' CompositorRunning: compiz Date: Sat Nov 17 14:06:16 2012 DistUpgraded: Fresh install DistroCodename: quantal DistroVariant: ubuntu DkmsStatus: fglrx-updates, 9.000, 3.5.0-18-generic, x86_64: installed fglrx-updates, 9.000, 3.5.0-19-generic, x86_64: installed EcryptfsInUse: Yes ExtraDebuggingInterest: Yes GraphicsCard: Advanced Micro Devices [AMD] nee ATI Wrestler [Radeon HD 6310] [1002:9802] (prog-if 00 [VGA controller]) Subsystem: Lenovo Device [17aa:397b] InstallationDate: Installed on 2012-10-21 (26 days ago) InstallationMedia: Ubuntu 12.10 "Quantal Quetzal" - Release amd64 (20121017.5) MachineType: LENOVO 10382JG MarkForUpload: True ProcKernelCmdLine: BOOT_IMAGE=/@/boot/vmlinuz-3.5.0-19-generic root=UUID=9a791902-1e8f-4073-b59c-de19842fdff8 ro rootflags=subvol=@ crashkernel=384M-2G:64M,2G-:128M quiet SourcePackage: xorg Symptom: display UpgradeStatus: No upgrade log present (probably fresh install) dmi.bios.date: 08/10/2011 dmi.bios.vendor: LENOVO dmi.bios.version: 4BCN24WW dmi.board.asset.tag: Base Board Asset Tag Unknown dmi.board.name: Inagua dmi.board.vendor: LENOVO dmi.board.version: 109-B78210-00A dmi.chassis.asset.tag: Chassis Asset Tag Unknown dmi.chassis.type: 10 dmi.chassis.vendor: LENOVO dmi.chassis.version: Chassis Version Unknown dmi.modalias: dmi:bvnLENOVO:bvr4BCN24WW:bd08/10/2011:svnLENOVO:pn10382JG:pvrIdeapadS205:rvnLENOVO:rnInagua:rvr109-B78210-00A:cvnLENOVO:ct10:cvrChassisVersionUnknown: dmi.product.name: 10382JG dmi.product.version: Ideapad S205 dmi.sys.vendor: LENOVO version.compiz: compiz 1:0.9.8.4+bzr3407-0ubuntu1 version.fglrx-installer: fglrx-installer N/A version.ia32-libs: ia32-libs 20090808ubuntu36 version.libdrm2: libdrm2 2.4.39-0ubuntu1 version.libgl1-mesa-dri: libgl1-mesa-dri 9.0-0ubuntu1 version.libgl1-mesa-dri-experimental: libgl1-mesa-dri-experimental N/A version.libgl1-mesa-glx: libgl1-mesa-glx 9.0-0ubuntu1 version.xserver-xorg-core: xserver-xorg-core 2:1.13.0-0ubuntu6 version.xserver-xorg-input-evdev: xserver-xorg-input-evdev 1:2.7.3-0ubuntu2 version.xserver-xorg-video-ati: xserver-xorg-video-ati 1:6.99.99~git20120913.8637f772-0ubuntu1 version.xserver-xorg-video-intel: xserver-xorg-video-intel 2:2.20.9-0ubuntu2 version.xserver-xorg-video-nouveau: xserver-xorg-video-nouveau 1:1.0.2-0ubuntu3 ** Affects: lightdm Importance: Undecided Status: New ** Affects: xorg (Ubuntu) Importance: Undecided Status: New ** Tags: amd64 apport-bug compiz-0.9 quantal running-unity ubuntu ** Attachment added: "Lightdm log when it dies during boot" https://bugs.launchpad.net/bugs/1080082/+attachment/3436621/+files/lightdm-killed.log ** Also affects: lightdm Importance: Undecided Status: New -- You received this bug notification because you are a member of Ubuntu-X, which is subscribed to xorg in Ubuntu. https://bugs.launchpad.net/bugs/1080082 Title: Lightdm killed during boot (kills itself?) To manage notifications about this bug go to: https://bugs.launchpad.net/lightdm/+bug/1080082/+subscriptions _______________________________________________ Mailing list: https://launchpad.net/~ubuntu-x-swat Post to : ubuntu-x-swat@lists.launchpad.net Unsubscribe : https://launchpad.net/~ubuntu-x-swat More help : https://help.launchpad.net/ListHelp
