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[Felisa-Chen <1804413@xxxxxxxxxxxxxxxxxx>]

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

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https://bugs.launchpad.net/bugs/1804413

Title:
  Linux, Ubuntu, 18.04, X36CI, NB13, Can't re-detect thunderbolt device
  after plug it back.(FR:10%)

Status in Glance:
  Invalid

Bug description:
  
  Description:
  While all six Thunderbolt-3 devices, the LaCie d2 Thunderbolt-3 External HDD and the "LG 27" 5K Thunderbolt Type-3 Monitor" are plugged in the Daisy-Chain format to the SUT Thunderbolt Port, safely unplug all six Thunderbolt Devices from the Thunderbolt-3 port of the SUT. Then replug the six thunderbolt devices to SUT thunderbolt port. Find the device can't be detected.

  Expected Behavior:
  No problem safely unplugging all six Thunderbolt-3 Devices. The SUT correctly detected this change.

  Severity:
  Sev-3
  P3
  C3
  L4

  Test Environment:
  1. Project: Northbay 13 SKU7
  2. BIOS: 0.4.0
  3. OS: CI Ubuntu 18.04
  4. 5k monitor: LG 27MD5KA-B
  5. TBT3 HDD: LaCIE d2 Thunderbolt 3 
      ST6000NE0023-2EX110*2
      ST6000NE0023-2Eh11c*3

  Note:
  1. VP on hot plug
  2. VNP on Win10

  Cross Platform:
  N/A

  Test case:
  CSV-TC-5234[WIS-TC-4424] Linux_Thunderbolt3 - HDDs and Monitor Connected In Daisy-Chain Format Functionality Test step:23
   
  Steps to Reproduce:  
  1. Six Thunderbolt-3 devices, the LaCie d2 Thunderbolt-3 External HDD and the "LG 27" 5K Thunderbolt Type-3 Monitor" are plugged in the  Daisy-Chain format to the SUT Thunderbolt Port;
  2. Safely Unplug all six  Thunderbolt Devices from the  Thunderbolt-3  port of the SUT;
  3. Wait one minute, replug the six thunderbolt device to SUT thunderbolt port.Find the device can't be detected.-->problem

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