Public bug reported: I am using the Dell XPS 13 9343. When I plug into a Dell U3014 monitor, there is a lot of funky behavior. In dmesg I see a ton of backtraces. I've attached a dmesg output with the traces.
ProblemType: Bug DistroRelease: Ubuntu 15.04 Package: linux-image-3.19.0-22-generic 3.19.0-22.22 ProcVersionSignature: Ubuntu 3.19.0-22.22-generic 3.19.8-ckt1 Uname: Linux 3.19.0-22-generic x86_64 NonfreeKernelModules: wl ApportVersion: 2.17.2-0ubuntu1.1 Architecture: amd64 AudioDevicesInUse: USER PID ACCESS COMMAND /dev/snd/controlC1: wt 1966 F.... pulseaudio /dev/snd/controlC0: wt 1966 F.... pulseaudio CurrentDesktop: Unity Date: Fri Jul 17 10:03:59 2015 DistributionChannelDescriptor: # This is a distribution channel descriptor # For more information see http://wiki.ubuntu.com/DistributionChannelDescriptor canonical-oem-somerville-trusty-amd64-20140620-0 HibernationDevice: RESUME=UUID=25d5c49f-dec3-4600-906b-5942cd316c4e InstallationDate: Installed on 2015-04-29 (78 days ago) InstallationMedia: Ubuntu 14.04 "Trusty" - Build amd64 LIVE Binary 20140620-04:25 MachineType: Dell Inc. XPS 13 9343 ProcFB: 0 inteldrmfb ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-3.19.0-22-generic root=UUID=33afd237-d4ef-43f9-a375-d5693be6aaff ro quiet splash pcie_aspm=force radeon.modeset=0 nouveau.modeset=0 video.use_native_backlight=1 pcie_aspm=force radeon.modeset=0 nouveau.modeset=0 video.use_native_backlight=1 vt.handoff=7 RelatedPackageVersions: linux-restricted-modules-3.19.0-22-generic N/A linux-backports-modules-3.19.0-22-generic N/A linux-firmware 1.143.1 SourcePackage: linux UpgradeStatus: Upgraded to vivid on 2015-04-30 (78 days ago) dmi.bios.date: 05/15/2015 dmi.bios.vendor: Dell Inc. dmi.bios.version: A04 dmi.board.name: 0310JH dmi.board.vendor: Dell Inc. dmi.board.version: A00 dmi.chassis.type: 9 dmi.chassis.vendor: Dell Inc. dmi.modalias: dmi:bvnDellInc.:bvrA04:bd05/15/2015:svnDellInc.:pnXPS139343:pvr01:rvnDellInc.:rn0310JH:rvrA00:cvnDellInc.:ct9:cvr: dmi.product.name: XPS 13 9343 dmi.product.version: 01 dmi.sys.vendor: Dell Inc. ** Affects: linux (Ubuntu) Importance: Undecided Status: New ** Tags: amd64 apport-bug vivid ** Attachment added: "Dmesg output including edid related traces" https://bugs.launchpad.net/bugs/1475729/+attachment/4430643/+files/dmesg.txt -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1475729 Title: Lots of EDID related back traces. To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1475729/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
