vik, thank you for reporting this and helping make Ubuntu better. Could you please provide the full computer serial number and MTM as noted on the sticker of the computer itself (not from the Bug Description)?
** Description changed: - Clone of https://bugs.launchpad.net/ubuntu/+source/xserver-xorg-video- - intel/+bug/1552040 - - Lenovo Thinkpad Yoga S1, with a Onelink Pro dock (problem has also - occurred on a OneLink (non-Pro) dock). + Lenovo Thinkpad Yoga S1 sometimes doesn't detect external monitor when + docked with a Onelink Pro dock. Problem has also occurred on a non-Pro + OneLink dock. ProblemType: Bug DistroRelease: Ubuntu 16.04 Package: xorg 1:7.7+13ubuntu3 ProcVersionSignature: Ubuntu 4.4.0-21.37-generic 4.4.6 Uname: Linux 4.4.0-21-generic x86_64 .tmp.unity_support_test.0: - + ApportVersion: 2.20.1-0ubuntu2 Architecture: amd64 BootLog: /dev/sda1: clean, 860723/30769152 files, 38024704/123073521 blocks 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: Wed May 4 11:47:20 2016 DistUpgraded: 2016-04-23 16:11:36,997 DEBUG icon theme changed, re-reading DistroCodename: xenial DistroVariant: ubuntu DkmsStatus: - virtualbox, 5.0.18, 4.2.0-35-generic, x86_64: installed - virtualbox, 5.0.18, 4.4.0-21-generic, x86_64: installed + virtualbox, 5.0.18, 4.2.0-35-generic, x86_64: installed + virtualbox, 5.0.18, 4.4.0-21-generic, x86_64: installed EcryptfsInUse: Yes ExtraDebuggingInterest: Yes GraphicsCard: - Intel Corporation Haswell-ULT Integrated Graphics Controller [8086:0a16] (rev 0b) (prog-if 00 [VGA controller]) - Subsystem: Lenovo Haswell-ULT Integrated Graphics Controller [17aa:2217] + Intel Corporation Haswell-ULT Integrated Graphics Controller [8086:0a16] (rev 0b) (prog-if 00 [VGA controller]) + Subsystem: Lenovo Haswell-ULT Integrated Graphics Controller [17aa:2217] InstallationDate: Installed on 2015-12-02 (153 days ago) InstallationMedia: Ubuntu 15.10 "Wily Werewolf" - Release amd64 (20151021) MachineType: LENOVO 20C0S1CWAU ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-4.4.0-21-generic root=UUID=bbf6846f-7622-4638-8e7e-286b6badb71d ro quiet splash vt.handoff=7 SourcePackage: xorg UpgradeStatus: Upgraded to xenial on 2016-04-23 (10 days ago) dmi.bios.date: 01/14/2016 dmi.bios.vendor: LENOVO dmi.bios.version: GQET48WW (1.28 ) dmi.board.asset.tag: Not Available dmi.board.name: 20C0S1CWAU dmi.board.vendor: LENOVO dmi.board.version: 0B98417 PRO dmi.chassis.asset.tag: No Asset Information dmi.chassis.type: 10 dmi.chassis.vendor: LENOVO dmi.chassis.version: Not Available dmi.modalias: dmi:bvnLENOVO:bvrGQET48WW(1.28):bd01/14/2016:svnLENOVO:pn20C0S1CWAU:pvrThinkPadS1Yoga:rvnLENOVO:rn20C0S1CWAU:rvr0B98417PRO:cvnLENOVO:ct10:cvrNotAvailable: dmi.product.name: 20C0S1CWAU dmi.product.version: ThinkPad S1 Yoga dmi.sys.vendor: LENOVO version.compiz: compiz 1:0.9.12.2+16.04.20160415-0ubuntu1 version.ia32-libs: ia32-libs N/A version.libdrm2: libdrm2 2.4.67-1 version.libgl1-mesa-dri: libgl1-mesa-dri 11.2.0-1ubuntu2 version.libgl1-mesa-dri-experimental: libgl1-mesa-dri-experimental N/A version.libgl1-mesa-glx: libgl1-mesa-glx 11.2.0-1ubuntu2 version.xserver-xorg-core: xserver-xorg-core 2:1.18.3-1ubuntu2 version.xserver-xorg-input-evdev: xserver-xorg-input-evdev 1:2.10.1-1ubuntu2 version.xserver-xorg-video-ati: xserver-xorg-video-ati 1:7.7.0-1 version.xserver-xorg-video-intel: xserver-xorg-video-intel 2:2.99.917+git20160325-1ubuntu1 version.xserver-xorg-video-nouveau: xserver-xorg-video-nouveau 1:1.0.12-1build2 xserver.bootTime: Wed May 4 08:27:55 2016 xserver.configfile: default xserver.errors: - Wacom ISDv4 EC Pen stylus: Invalid type 'cursor' for this device. - Wacom ISDv4 EC Pen stylus: Invalid type 'touch' for this device. - Wacom ISDv4 EC Pen stylus: Invalid type 'pad' for this device. + Wacom ISDv4 EC Pen stylus: Invalid type 'cursor' for this device. + Wacom ISDv4 EC Pen stylus: Invalid type 'touch' for this device. + Wacom ISDv4 EC Pen stylus: Invalid type 'pad' for this device. xserver.logfile: /var/log/Xorg.0.log xserver.outputs: - product id 1079 - vendor LGD + product id 1079 + vendor LGD xserver.version: 2:1.18.3-1ubuntu2 ** Changed in: xorg (Ubuntu) Importance: Undecided => Low ** Changed in: xorg (Ubuntu) Status: New => Incomplete -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1578011 Title: Laptop sometimes doesn't detect external monitor when docked To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/xorg/+bug/1578011/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
