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** Changed in: linux (Ubuntu)
Status: New => Confirmed
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https://bugs.launchpad.net/bugs/1849126
Title:
Thunderbolt dock dropping offline
Status in linux package in Ubuntu:
Confirmed
Bug description:
I've filed with ubuntu-bug so additional logging should be available.
Starting with 19.10 there has been a regression in my CalDigit
thunderbolt 3 dock. With Bionic and Disco the dock has been stable
across two laptops. After upgrading to Eaon and running
5.3.0-18-generic I'm getting periodic (every few minutes) resets of
the dock. This presents as a loss of ethernet, microphone, audio, and
video all of which are provided by the dock.
Dmesg during the event: https://pastebin.canonical.com/p/VyrT4PDXW7/
I haven't changed the firmware on my bios or dock just the eaon
upgrade. If there's more data I can provide please let me know.
ProblemType: Bug
DistroRelease: Ubuntu 19.10
Package: linux-image-5.3.0-18-generic 5.3.0-18.19+1
ProcVersionSignature: Ubuntu 5.3.0-18.19-generic 5.3.1
Uname: Linux 5.3.0-18-generic x86_64
NonfreeKernelModules: zfs zunicode zavl icp zcommon znvpair
ApportVersion: 2.20.11-0ubuntu8
Architecture: amd64
CurrentDesktop: i3
Date: Mon Oct 21 09:05:02 2019
InstallationDate: Installed on 2019-09-13 (38 days ago)
InstallationMedia: Ubuntu 19.04 "Disco Dingo" - Release amd64 (20190416)
MachineType: LENOVO 20QDCTO1WW
ProcEnviron:
TERM=xterm-256color
PATH=(custom, no user)
XDG_RUNTIME_DIR=<set>
LANG=en_US.UTF-8
SHELL=/bin/bash
ProcFB: 0 i915drmfb
ProcKernelCmdLine: BOOT_IMAGE=/vmlinuz-5.3.0-18-generic
root=UUID=f6e80d0e-f384-4ffc-8212-9346884a3fff ro quiet splash vt.handoff=7
RelatedPackageVersions:
linux-restricted-modules-5.3.0-18-generic N/A
linux-backports-modules-5.3.0-18-generic N/A
linux-firmware 1.183
SourcePackage: linux
UpgradeStatus: Upgraded to eoan on 2019-10-18 (3 days ago)
dmi.bios.date: 08/20/2019
dmi.bios.vendor: LENOVO
dmi.bios.version: N2HET35W (1.18 )
dmi.board.asset.tag: Not Available
dmi.board.name: 20QDCTO1WW
dmi.board.vendor: LENOVO
dmi.board.version: SDK0J40709 WIN
dmi.chassis.asset.tag: No Asset Information
dmi.chassis.type: 10
dmi.chassis.vendor: LENOVO
dmi.chassis.version: None
dmi.modalias:
dmi:bvnLENOVO:bvrN2HET35W(1.18):bd08/20/2019:svnLENOVO:pn20QDCTO1WW:pvrThinkPadX1Carbon7th:rvnLENOVO:rn20QDCTO1WW:rvrSDK0J40709WIN:cvnLENOVO:ct10:cvrNone:
dmi.product.family: ThinkPad X1 Carbon 7th
dmi.product.name: 20QDCTO1WW
dmi.product.sku: LENOVO_MT_20QD_BU_Think_FM_ThinkPad X1 Carbon 7th
dmi.product.version: ThinkPad X1 Carbon 7th
dmi.sys.vendor: LENOVO
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