[Yahoo-eng-team] [Bug 1804228] [NEW] Linux, Ubuntu, 18.04, CI, NB13, The displays setting can't persist after plug/unplug BME Dock.

Felisa-Chen Tue, 20 Nov 2018 05:02:05 -0800

Public bug reported:

Description:
After the Undock/Dock BME Dock, the displays setting can't persist, display
mode will switch from duplication to Extended mode.(FR:100%)

Expected Behavior:
After undock/dock, the connection to the "Trinity Big Mountain Express Wired
Docking Station" working without any problems

Severity:
Sev-2
P3
C3
L2

Test Environment:
1. Project: Northbay 13 SKU7
2. BIOS: 0.4.0
3. OS:CI Ubuntu 18.04
4.DELL BME DOCK-114:REV-A05 FW:1.0.0
5.Monitor:Dell SE2216H

Note:
1. VP on other Northbay TBT SKU

Cross Platform:
N/A

Test case:
CSV-TC-4652[WIS-TC-4206] Linux_NB_BME-Wired-Dock-The "USB Type-C" With
"Thunderbolt Devices" Test step:17

Steps to Reproduce:
1. Install Ubuntu OS 18.04.1 LTS
2.While the SUT is up and running and successfully connected to the BME DOCK
via the dock cable, unplug the cable to disconnect the dock or undock
3. Wait for 30-seconds and plug back in the dock cable to the SUT.
4. After the Undock/Dock BME Dock , find the displays setting can't
persist,display mode will switch from duplication to Extended
mode.-->problem(Refer to .MP4)

** Affects: glance
Importance: Undecided
Status: New

** Tags: north-bay-13

** Attachment added: "video_20181119_185014~1.mp4"

https://bugs.launchpad.net/bugs/1804228/+attachment/5214512/+files/video_20181119_185014~1.mp4

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https://bugs.launchpad.net/bugs/1804228

Title:
Linux, Ubuntu, 18.04, CI, NB13, The displays setting can't persist
after plug/unplug BME Dock.

Status in Glance:
New

Bug description: