Public bug reported: I'm using Lenovo Thinkpad t490 with ThinkPad Thunderbolt 3 Dock Gen 2.
When I boot Ubuntu with dock connected to thunderbolt port, there is a problem with network connection. Usb network device is available and trying to connect. Then I get connection failed message. Dock is authorized ● Lenovo ThinkPad Thunderbolt 3 Dock ├─ type: peripheral ├─ name: ThinkPad Thunderbolt 3 Dock ├─ vendor: Lenovo ├─ uuid: 00b4107c-6d42-0801-ffff-ffffffffffff ├─ status: authorized │ ├─ domain: c7010000-0082-8088-203a-20274c806225 │ └─ authflags: boot ├─ authorized: wto, 10 gru 2019, 08:21:07 ├─ connected: wto, 10 gru 2019, 08:21:06 └─ stored: wto, 10 gru 2019, 08:15:19 ├─ policy: auto └─ key: no Unplugging and re-plugging LAN cable, does not help. Disabling network from network manager does not help either. When I unplug dock from the laptop and replug thunderbolt cable, network connects without a problem. ProblemType: Bug DistroRelease: Ubuntu 19.10 Package: linux-image-5.3.0-24-generic 5.3.0-24.26 ProcVersionSignature: Ubuntu 5.3.0-24.26-generic 5.3.10 Uname: Linux 5.3.0-24-generic x86_64 ApportVersion: 2.20.11-0ubuntu8.3 Architecture: amd64 AudioDevicesInUse: USER PID ACCESS COMMAND /dev/snd/controlC1: lmarcink 1897 F.... pulseaudio /dev/snd/controlC0: lmarcink 1897 F.... pulseaudio Date: Tue Dec 10 09:39:39 2019 InstallationDate: Installed on 2019-12-05 (4 days ago) InstallationMedia: Ubuntu 19.10 "Eoan Ermine" - Release amd64 (20191017) MachineType: LENOVO 20N3S88305 ProcFB: 0 i915drmfb ProcKernelCmdLine: BOOT_IMAGE=/vmlinuz-5.3.0-24-generic root=/dev/mapper/vgubuntu-root ro quiet splash vt.handoff=7 PulseList: Error: command ['pacmd', 'list'] failed with exit code 1: No PulseAudio daemon running, or not running as session daemon. RelatedPackageVersions: linux-restricted-modules-5.3.0-24-generic N/A linux-backports-modules-5.3.0-24-generic N/A linux-firmware 1.183.2 SourcePackage: linux UpgradeStatus: No upgrade log present (probably fresh install) dmi.bios.date: 11/26/2019 dmi.bios.vendor: LENOVO dmi.bios.version: N2IET80W (1.58 ) dmi.board.asset.tag: Not Available dmi.board.name: 20N3S88305 dmi.board.vendor: LENOVO dmi.board.version: SDK0J40697 WIN dmi.chassis.asset.tag: No Asset Information dmi.chassis.type: 10 dmi.chassis.vendor: LENOVO dmi.chassis.version: None dmi.modalias: dmi:bvnLENOVO:bvrN2IET80W(1.58):bd11/26/2019:svnLENOVO:pn20N3S88305:pvrThinkPadT490:rvnLENOVO:rn20N3S88305:rvrSDK0J40697WIN:cvnLENOVO:ct10:cvrNone: dmi.product.family: ThinkPad T490 dmi.product.name: 20N3S88305 dmi.product.sku: LENOVO_MT_20N3_BU_Think_FM_ThinkPad T490 dmi.product.version: ThinkPad T490 dmi.sys.vendor: LENOVO ** Affects: linux (Ubuntu) Importance: Undecided Status: Confirmed ** Tags: amd64 apport-bug eoan -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1855848 Title: Thunderbolt devices ethernet don't work if connected during boot To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1855848/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs