Marius Gedminas, thank you for updating your BIOS. Could you please confirm this issue exists with the latest development release of Ubuntu? ISO images are available from http://cdimage.ubuntu.com/daily- live/current/ . If the issue remains, could you please run the following command in the development release from a Terminal (Applications->Accessories->Terminal), as it will automatically gather and attach updated debug information to this report:
apport-collect -p linux REPLACE-WITH-BUG-NUMBER If reproducible, could you also please test the latest upstream kernel available (not the daily folder) following https://wiki.ubuntu.com/KernelMainlineBuilds ? It will allow additional upstream developers to examine the issue. Once you've tested the upstream kernel, please comment on which kernel version specifically you tested. If this bug is fixed in the mainline kernel, please add the following tags: kernel-fixed-upstream kernel-fixed-upstream-VERSION-NUMBER where VERSION-NUMBER is the version number of the kernel you tested. For example: kernel-fixed-upstream-v3.13-rc7 This can be done by clicking on the yellow circle with a black pencil icon next to the word Tags located at the bottom of the bug description. As well, please remove the tag: needs-upstream-testing If the mainline kernel does not fix this bug, please add the following tags: kernel-bug-exists-upstream kernel-bug-exists-upstream-VERSION-NUMBER As well, please remove the tag: needs-upstream-testing Once testing of the upstream kernel is complete, please mark this bug's Status as Confirmed. Please let us know your results. Thank you for your understanding. ** Tags removed: bios-outdated-1.39-1.24 ** Tags added: latest-bios-1.39 ** Tags added: needs-upstream-testing regression-potential -- You received this bug notification because you are a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/1263681 Title: DisplayPort hotplugging is not detected on a ThinkPad X220 Status in “linux” package in Ubuntu: Incomplete Bug description: Steps to reproduce: 1. Get a Lenovo ThinkPad X220 with Intel graphics (PCI ID 8086:0126, rev 09) 2. Get a DisplayPort -> DVI cable, plug the DVI end into a monitor (Samsung SyncMaster 193p+) 3. Plug the DP end into the ThinkPad What I expect: - hotplug is detected within a reasonable time, GNOME automatically extends my desktop What actually happens - nothing Things that work: - if I run 'xrandr' in an xterm, the monitor is detected instantly and GNOME reconfigures the screen. - if I open System Preferences -> Display, it does an xrandr probe behind my back and instantly detects/reconfigures the screen. - if I plug the DP cable before I open the laptop lid to wake it up from S3 sleep, the external monitor is detected. - if I use a VGA cable instead of the DP -> DVI one, hotplug is detected within seconds - if I *unplug* the DP cable, the unplug is detected instantly. - I once waited ~5 minutes without running xrandr, and it actually detected the monitor and reconfigured. ProblemType: Bug DistroRelease: Ubuntu 13.10 Package: linux-image-extra-3.11.0-15-generic 3.11.0-15.23 ProcVersionSignature: Ubuntu 3.11.0-15.23-generic 3.11.10 Uname: Linux 3.11.0-15-generic x86_64 ApportVersion: 2.12.5-0ubuntu2.2 Architecture: amd64 AudioDevicesInUse: USER PID ACCESS COMMAND /dev/snd/controlC0: mg 2722 F.... pulseaudio Date: Mon Dec 23 14:33:12 2013 EcryptfsInUse: Yes HibernationDevice: RESUME=UUID=bf592a79-5f4e-486d-b69d-7525d492dcc6 InstallationDate: Installed on 2012-07-25 (515 days ago) InstallationMedia: Ubuntu 12.04 LTS "Precise Pangolin" - Release amd64 (20120425) Lsusb: Bus 002 Device 002: ID 8087:0024 Intel Corp. Integrated Rate Matching Hub Bus 002 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub Bus 001 Device 002: ID 8087:0024 Intel Corp. Integrated Rate Matching Hub Bus 001 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub MachineType: LENOVO 4291WJF MarkForUpload: True ProcFB: 0 inteldrmfb ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-3.11.0-15-generic root=UUID=36079681-53fc-4ca2-80ac-98321c07e8d2 ro quiet splash vt.handoff=7 RelatedPackageVersions: linux-restricted-modules-3.11.0-15-generic N/A linux-backports-modules-3.11.0-15-generic N/A linux-firmware 1.116 RfKill: 0: phy0: Wireless LAN Soft blocked: no Hard blocked: no SourcePackage: linux UpgradeStatus: Upgraded to saucy on 2013-10-17 (66 days ago) WifiSyslog: dmi.bios.date: 05/31/2011 dmi.bios.vendor: LENOVO dmi.bios.version: 8DET47WW (1.17 ) dmi.board.asset.tag: Not Available dmi.board.name: 4291WJF 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:bvr8DET47WW(1.17):bd05/31/2011:svnLENOVO:pn4291WJF:pvrThinkPadX220:rvnLENOVO:rn4291WJF:rvrNotAvailable:cvnLENOVO:ct10:cvrNotAvailable: dmi.product.name: 4291WJF dmi.product.version: ThinkPad X220 dmi.sys.vendor: LENOVO To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1263681/+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