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[Felisa-Chen <1804815@xxxxxxxxxxxxxxxxxx>]

** Changed in: glance
       Status: New => Invalid

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https://bugs.launchpad.net/bugs/1804815

Title:
  Linux, Ubuntu, 18.04, X36CI, NB13,  Monitors plugged to BME dock show
  garbage after dock/undock BME.

Status in Glance:
  Invalid

Bug description:
  Description:
  Boot to OS with BME dock is connected, plug in two 4K monitors to dock, hot plug/unplug BME dock, and then find a external monitor show garbage.(FR: 1/10 times)

  Expected Behavior:
  External monitor don't show garbage after dock/undock BME.

  Severity:
  Sev-2
  P2
  C2
  L4

  Test Environment:
  1. Project: Northbay 13
  2. BIOS: 0.4.1
  3. OS: CI Ubuntu 18.04
  4. BME-DOCK-114(REV-A05) FW:0.1.17
  5. Monitor: Sumsung U28E590D, Dell P2715Q

  Note:
  1. VP on Salomon TBT DOCK-126 REV-X00  Dell Salomon WD19TB Thunderbolt3 Dock DP/N 0XHKGV  Salomon_TBT3  FW:00.00.12
  2. VP on change resolution.
  3. VP on Salomon Single-C Dock 165: DP/N :0YVYPW REV X00  FW:00.00.12.01

  
  Cross Platform:
  N/A

  Test case:
  CSV-TC-4663[WIS-TC-4209] Linux_NB_BME-Wired-Dock-The "Multiple "4K@60-Hz" Displays/Monitors" (HDMI/DP) Support Test step:12

  Steps to Reproduce
  1. Flash Latest BIOS, install Ubuntu OS 18.04.
  2. Boot to OS, connect a BME Dock to SUT;
  3. Connect two 4K Monitors  to SUT;
  4. Dock/undock BME and find one Monitor show Garbage.---->problem(refer to pic)

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