This is the stacktrace I got from gdb... ** Attachment added: "Stacktrace.txt" https://bugs.launchpad.net/ubuntu/+source/xorg/+bug/1540953/+attachment/4562270/+files/Stacktrace.txt
-- 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/1540953 Title: Xorg crashed when undocking Lenovo T450s from docking station Status in xorg package in Ubuntu: New Bug description: I have a Lenovo T450s. When undocking the notebook from the docking station (Lenovo ProDock, two monitors are connected), Xorg frequently crashes. ProblemType: Bug DistroRelease: Ubuntu 16.04 Package: xorg 1:7.7+12ubuntu1 ProcVersionSignature: Ubuntu 4.4.0-2.16-generic 4.4.0 Uname: Linux 4.4.0-2-generic x86_64 .tmp.unity.support.test.0: ApportVersion: 2.19.4-0ubuntu2 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 CurrentDesktop: Unity Date: Tue Feb 2 15:43:35 2016 DistUpgraded: Fresh install DistroCodename: xenial DistroVariant: ubuntu ExtraDebuggingInterest: Yes, including running git bisection searches GraphicsCard: Intel Corporation Broadwell-U Integrated Graphics [8086:1616] (rev 09) (prog-if 00 [VGA controller]) Subsystem: Lenovo Device [17aa:5036] InstallationDate: Installed on 2016-02-02 (0 days ago) InstallationMedia: Ubuntu 16.04 LTS "Xenial Xerus" - Alpha amd64 (20160131) MachineType: LENOVO 20BWS00V00 ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-4.4.0-2-generic root=UUID=eb42241b-c617-430d-84eb-b21a749fc2ff ro quiet splash vt.handoff=7 SourcePackage: xorg UpgradeStatus: No upgrade log present (probably fresh install) dmi.bios.date: 07/08/2015 dmi.bios.vendor: LENOVO dmi.bios.version: JBET51WW (1.16 ) dmi.board.asset.tag: Not Available dmi.board.name: 20BWS00V00 dmi.board.vendor: LENOVO dmi.board.version: Not Defined dmi.chassis.asset.tag: No Asset Information dmi.chassis.type: 10 dmi.chassis.vendor: LENOVO dmi.chassis.version: None dmi.modalias: dmi:bvnLENOVO:bvrJBET51WW(1.16):bd07/08/2015:svnLENOVO:pn20BWS00V00:pvrThinkPadT450s:rvnLENOVO:rn20BWS00V00:rvrNotDefined:cvnLENOVO:ct10:cvrNone: dmi.product.name: 20BWS00V00 dmi.product.version: ThinkPad T450s dmi.sys.vendor: LENOVO version.compiz: compiz 1:0.9.12.2+16.04.20151211-0ubuntu1 version.ia32-libs: ia32-libs N/A version.libdrm2: libdrm2 2.4.66-2 version.libgl1-mesa-dri: libgl1-mesa-dri 11.1.1-1ubuntu2 version.libgl1-mesa-dri-experimental: libgl1-mesa-dri-experimental N/A version.libgl1-mesa-glx: libgl1-mesa-glx 11.1.1-1ubuntu2 version.xserver-xorg-core: xserver-xorg-core 2:1.17.3-2ubuntu2 version.xserver-xorg-input-evdev: xserver-xorg-input-evdev 1:2.9.2-1ubuntu1 version.xserver-xorg-video-ati: xserver-xorg-video-ati 1:7.6.1-1 version.xserver-xorg-video-intel: xserver-xorg-video-intel 2:2.99.917+git20151217-1~exp1ubuntu1 version.xserver-xorg-video-nouveau: xserver-xorg-video-nouveau 1:1.0.12-1 xserver.bootTime: Tue Feb 2 15:33:03 2016 xserver.configfile: default xserver.errors: systemd-logind: failed to get session: PID 3028 does not belong to any known session intel(0): sna_mode_shutdown_crtc: invalid state found on pipe 1, disabling CRTC:25 xserver.logfile: /var/log/Xorg.0.log xserver.outputs: product id 4925 vendor AUO xserver.version: 2:1.17.3-2ubuntu2 To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/xorg/+bug/1540953/+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
