Docking Station crash ramdomly after october 19 updates

[Ignacio Nicolas Beber]

My dell D6000 dockingstation start crashing after installation of updates on october 19.

Now, randomly the external HDMI monitor goes blank for 5 second until dock restart. But this fails make external webcam (connected to dockstation), and bluetooth headphones (mic at external web cam) got unconfigured, sending audio to the dock port and getting mic from it not regarding is not used, putting in a meeting without any sound.

And because internet is also used via D6000 wired ethernet port, I got disconnected from VPN and RDP connections too.

Release info:
Description: Ubuntu 20.04.3 LTS
Release: 20.04

ProblemType: Bug
DistroRelease: Ubuntu 20.04
Package: ubuntu-release-upgrader-core 1:20.04.36
ProcVersionSignature: Ubuntu 5.10.0-1050.52-oem 5.10.68
Uname: Linux 5.10.0-1050-oem x86_64
ApportVersion: 2.20.11-0ubuntu27.20
Architecture: amd64
CasperMD5CheckResult: skip
CrashDB: ubuntu
CurrentDesktop: ubuntu:GNOME
Date: Thu Oct 21 18:00:54 2021
InstallationDate: Installed on 2021-08-18 (64 days ago)
InstallationMedia: Ubuntu 20.04.2.0 LTS "Focal Fossa" - Release amd64 (20210209.1)
PackageArchitecture: all
SourcePackage: ubuntu-release-upgrader
Symptom: release-upgrade
UpgradeStatus: No upgrade log present (probably fresh install)
---
ProblemType: Bug
ApportVersion: 2.20.11-0ubuntu27.20
Architecture: amd64
CasperMD5CheckResult: skip
CurrentDesktop: ubuntu:GNOME
DistroRelease: Ubuntu 20.04
InstallationDate: Installed on 2021-08-18 (64 days ago)
InstallationMedia: Ubuntu 20.04.2.0 LTS "Focal Fossa" - Release amd64 (20210209.1)
MachineType: Dell Inc. Vostro 3401
Package: linux (not installed)
ProcFB: 0 i915drmfb
ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-5.10.0-1050-oem root=UUID=d63f71be-78d3-412a-95ce-c1fd7fc0b432 ro quiet splash vt.handoff=7
ProcVersionSignature: Ubuntu 5.10.0-1050.52-oem 5.10.68
RelatedPackageVersions:
 linux-restricted-modules-5.10.0-1050-oem N/A
 linux-backports-modules-5.10.0-1050-oem N/A
 linux-firmware 1.187.19
Tags: focal
Uname: Linux 5.10.0-1050-oem x86_64
UpgradeStatus: No upgrade log present (probably fresh install)
UserGroups: adm cdrom dialout dip lpadmin lxd plugdev sambashare sudo
_MarkForUpload: True
dmi.bios.date: 07/19/2021
dmi.bios.release: 1.8
dmi.bios.vendor: Dell Inc.
dmi.bios.version: 1.8.0
dmi.board.name: 0790WT
dmi.board.vendor: Dell Inc.
dmi.board.version: A00
dmi.chassis.type: 10
dmi.chassis.vendor: Dell Inc.
dmi.modalias: dmi:bvnDellInc.:bvr1.8.0:bd07/19/2021:br1.8:svnDellInc.:pnVostro3401:pvr:sku0A29:rvnDellInc.:rn0790WT:rvrA00:cvnDellInc.:ct10:cvr:
dmi.product.family: Vostro
dmi.product.name: Vostro 3401
dmi.product.sku: 0A29
dmi.sys.vendor: Dell Inc.

[Chris Guiver (guiverc)]

Thank you for taking the time to report this bug and helping to make Ubuntu better.

Bug reporting is about finding & fixing problems thus preventing future users from hitting the same bug.

I suspect a Support site would be more appropriate, eg. https://answers.launchpad.net/ubuntu. You can also find help with your problem in the support forum of your local Ubuntu community http://loco.ubuntu.com/ or asking at https://askubuntu.com or https://ubuntuforums.org, or for more support options please look at https://discourse.ubuntu.com/t/community-support/709

FYI: You've filed this against the `ubuntu-release-upgrader` package, which would upgrade a 20.04 install to a later release (eg. 20.10, 22.04 etc) for example; yet you appear to have not used that feature; thus I'll change this to `linux`.

[Ubuntu Kernel Bot (ubuntu-kernel-bot)]

This bug is missing log files that will aid in diagnosing the problem. While running an Ubuntu kernel (not a mainline or third-party kernel) please enter the following command in a terminal window:

apport-collect 1948343

and then change the status of the bug to 'Confirmed'.

If, due to the nature of the issue you have encountered, you are unable to run this command, please add a comment stating that fact and change the bug status to 'Confirmed'.

This change has been made by an automated script, maintained by the Ubuntu Kernel Team.

[Ignacio Nicolas Beber (lu5jib)]

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[Ignacio Nicolas Beber (lu5jib)]

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[Ignacio Nicolas Beber (lu5jib)]

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[Ignacio Nicolas Beber (lu5jib)]

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[Ignacio Nicolas Beber (lu5jib)]

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[Ignacio Nicolas Beber (lu5jib)]

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[Ignacio Nicolas Beber (lu5jib)]

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[Ignacio Nicolas Beber (lu5jib)]

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[Ignacio Nicolas Beber (lu5jib)]

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[Ignacio Nicolas Beber (lu5jib)]

UPDATE:

3 hours running windows 10 -> no problem.
2 hours running Ubuntu 20.04.2 -> No problem

40 minutes running Ubuntu 20.04.3 -> Start crashing.

Id think is not a Hardware problem. All it show its something in 20.04.3 updates/upgrades.

[Ignacio Nicolas Beber (lu5jib)]

Update:

4 hours running Ubuntu 20.04.3 with monitor On, but not using it (using only the notebook display) not crashing at all.

It appears to crash only, when are changes in the External monitor image.