Jamie, Daniel, did you ever get this after the fix in bug 1302264? This is the typical symptom of logind not working, so if you have that situation can you please check for a logind crash /var/crash?
** Changed in: compiz Status: Confirmed => Invalid ** Changed in: unity Status: Confirmed => Invalid ** No longer affects: xorg (Ubuntu) ** Changed in: systemd (Ubuntu) Status: Confirmed => Invalid ** Changed in: systemd (Ubuntu) Status: Invalid => Incomplete -- You received this bug notification because you are a member of Desktop Packages, which is subscribed to xorg in Ubuntu. https://bugs.launchpad.net/bugs/1302270 Title: [regression] Poor performance with recent update with i965: libGL error: failed to open drm device: Permission denied Status in Compiz: Invalid Status in Unity: Invalid Status in systemd package in Ubuntu: Incomplete Bug description: I rebooted into up to date trusty and noticed Unity was incredibly slow. I hadn't rebooted in a while, so I'm not sure what package caused the issue, though I'm guessing it is mesa (I saw i965 pci ids were ifdef'd in the Launchpad diff, but I didn't look super closely). ~/.xsession-errors has this to say: libGL error: failed to open drm device: Permission denied libGL error: failed to load driver: i965 ProblemType: Bug DistroRelease: Ubuntu 14.04 Package: xorg 1:7.7+1ubuntu8 ProcVersionSignature: Ubuntu 3.13.0-22.44-generic 3.13.8 Uname: Linux 3.13.0-22-generic x86_64 .tmp.unity.support.test.1: ApportVersion: 2.14-0ubuntu1 Architecture: amd64 CompizPlugins: [core,composite,opengl,compiztoolbox,decor,vpswitch,snap,mousepoll,resize,place,move,wall,grid,regex,imgpng,session,gnomecompat,animation,fade,unitymtgrabhandles,workarounds,scale,expo,ezoom,unityshell] CompositorRunning: compiz CompositorUnredirectDriverBlacklist: '(nouveau|Intel).*Mesa 8.0' CompositorUnredirectFSW: true CurrentDesktop: Unity Date: Thu Apr 3 20:08:18 2014 DistUpgraded: 2013-11-04 08:48:34,282 DEBUG enabling apt cron job DistroCodename: trusty DistroVariant: ubuntu ExtraDebuggingInterest: Yes GraphicsCard: Intel Corporation Core Processor Integrated Graphics Controller [8086:0046] (rev 02) (prog-if 00 [VGA controller]) Subsystem: Lenovo Device [17aa:215a] InstallationDate: Installed on 2011-06-28 (1010 days ago) InstallationMedia: Ubuntu 11.04 "Natty Narwhal" - Release amd64 (20110425.2) Lsusb: Bus 002 Device 002: ID 8087:0020 Intel Corp. Integrated Rate Matching Hub Bus 002 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub Bus 001 Device 002: ID 8087:0020 Intel Corp. Integrated Rate Matching Hub Bus 001 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub MachineType: LENOVO 5129CTO ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-3.13.0-22-generic root=UUID=88689ad2-74b5-442c-9290-8ae60b63e16b ro quiet splash vt.handoff=7 SourcePackage: xorg Symptom: display UpgradeStatus: Upgraded to trusty on 2013-11-04 (150 days ago) dmi.bios.date: 02/24/2011 dmi.bios.vendor: LENOVO dmi.bios.version: 6QET64WW (1.34 ) dmi.board.name: 5129CTO dmi.board.vendor: LENOVO dmi.board.version: Not Available dmi.chassis.asset.tag: No Asset Information dmi.chassis.type: 10 dmi.chassis.vendor: LENOVO dmi.chassis.version: Not Available dmi.modalias: dmi:bvnLENOVO:bvr6QET64WW(1.34):bd02/24/2011:svnLENOVO:pn5129CTO:pvrThinkPadX201s:rvnLENOVO:rn5129CTO:rvrNotAvailable:cvnLENOVO:ct10:cvrNotAvailable: dmi.product.name: 5129CTO dmi.product.version: ThinkPad X201s dmi.sys.vendor: LENOVO version.compiz: compiz 1:0.9.11+14.04.20140328-0ubuntu1 version.ia32-libs: ia32-libs N/A version.libdrm2: libdrm2 2.4.52-1 version.libgl1-mesa-dri: libgl1-mesa-dri 10.1.0-4ubuntu1 version.libgl1-mesa-dri-experimental: libgl1-mesa-dri-experimental N/A version.libgl1-mesa-glx: libgl1-mesa-glx 10.1.0-4ubuntu1 version.xserver-xorg-core: xserver-xorg-core 2:1.15.0-1ubuntu7 version.xserver-xorg-input-evdev: xserver-xorg-input-evdev 1:2.8.2-1ubuntu2 version.xserver-xorg-video-ati: xserver-xorg-video-ati 1:7.3.0-1ubuntu3 version.xserver-xorg-video-intel: xserver-xorg-video-intel 2:2.99.910-0ubuntu1 version.xserver-xorg-video-nouveau: xserver-xorg-video-nouveau 1:1.0.10-1ubuntu2 xserver.bootTime: Thu Apr 3 19:38:17 2014 xserver.configfile: default xserver.errors: xserver.logfile: /var/log/Xorg.0.log xserver.outputs: product id 16404 vendor LEN xserver.version: 2:1.15.0-1ubuntu7 To manage notifications about this bug go to: https://bugs.launchpad.net/compiz/+bug/1302270/+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