apport information ** Attachment added: "CurrentDmesg.txt" https://bugs.launchpad.net/bugs/1820811/+attachment/5247512/+files/CurrentDmesg.txt
-- 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/1820811 Title: Thunderbolt3 dock freezes X on hotplug when used with external displays Status in linux package in Ubuntu: Confirmed Bug description: This bug is very similar to https://bugs.launchpad.net/dell-sputnik/+bug/1752165 and has the same steps to reproduce, but it's not related to nvidia drivers. I have Lenovo Thinkpad T480s connected to a ThinkPad Thunderbolt 3 Dock. I have installed 4.15.0.46, 4.18.0.16 kernel. Both of these kernels have the issue. I followed this comment https://bugs.launchpad.net/dell-sputnik/+bug/1752165/comments/41 and installed 4.20.6 from UKUU and the issue is gone. --- ProblemType: Bug ApportVersion: 2.20.9-0ubuntu7.6 Architecture: amd64 AudioDevicesInUse: USER PID ACCESS COMMAND /dev/snd/controlC0: dmisharo 2223 F.... pulseaudio /dev/snd/pcmC0D0p: dmisharo 2223 F...m pulseaudio /dev/snd/controlC1: dmisharo 2223 F.... pulseaudio CurrentDesktop: KDE DistroRelease: KDE neon 18.04 HibernationDevice: RESUME=UUID=611a9c7d-fcaa-4717-b1d2-d89edca7e661 InstallationDate: Installed on 2018-11-25 (114 days ago) InstallationMedia: neon user "Bionic" - Build amd64 LIVE Binary 20181122-05:40 MachineType: LENOVO 20L8S2N80E Package: linux (not installed) ProcFB: 0 inteldrmfb ProcKernelCmdLine: BOOT_IMAGE=/vmlinuz-4.18.0-16-generic root=/dev/mapper/neon--vg-root ro quiet splash vt.handoff=1 ProcVersionSignature: Ubuntu 4.18.0-16.17~18.04.1-generic 4.18.20 RelatedPackageVersions: linux-restricted-modules-4.18.0-16-generic N/A linux-backports-modules-4.18.0-16-generic N/A linux-firmware 1.173.3 Tags: bionic Uname: Linux 4.18.0-16-generic x86_64 UpgradeStatus: No upgrade log present (probably fresh install) UserGroups: adm cdrom dip docker lpadmin plugdev sambashare sudo _MarkForUpload: True dmi.bios.date: 07/18/2018 dmi.bios.vendor: LENOVO dmi.bios.version: N22ET48W (1.25 ) dmi.board.asset.tag: Not Available dmi.board.name: 20L8S2N80E dmi.board.vendor: LENOVO dmi.board.version: Not Defined dmi.chassis.asset.tag: RH0023049 dmi.chassis.type: 10 dmi.chassis.vendor: LENOVO dmi.chassis.version: None dmi.modalias: dmi:bvnLENOVO:bvrN22ET48W(1.25):bd07/18/2018:svnLENOVO:pn20L8S2N80E:pvrThinkPadT480s:rvnLENOVO:rn20L8S2N80E:rvrNotDefined:cvnLENOVO:ct10:cvrNone: dmi.product.family: ThinkPad T480s dmi.product.name: 20L8S2N80E dmi.product.sku: LENOVO_MT_20L8_BU_Think_FM_ThinkPad T480s dmi.product.version: ThinkPad T480s dmi.sys.vendor: LENOVO To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1820811/+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
