In the issue reported upstream it was concluded not to be a fwupd
problem, nor a WD19TB problem.  The same issue occurs trying to read the
NVM from the host.  So kernel issue TBT FW issue, or HW issue.

** Also affects: linux (Ubuntu)
   Importance: Undecided
       Status: New

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https://bugs.launchpad.net/bugs/1908322

Title:
  Dell WD19 upgrade issue

Status in fwupd package in Ubuntu:
  New
Status in linux package in Ubuntu:
  Incomplete

Bug description:
  I'm running 20.04 and got the alert there was a FW update pending, so
  I ran it but it's failing:

   
  ➜ sudo fwupdmgr update --force -y          
  Upgrade available for Thunderbolt controller in Dell dock from 40.00 to 43.00
  Downloading 43.00 for Thunderbolt controller in Dell dock...
  Decompressing…           [***************************************]
  Authenticating…          [***************************************]
  Updating Thunderbolt controller in Dell dock…                    ]
  Writing…                 [***************************************]
  could not start thunderbolt device upgrade: could not write to 
'nvm_authenticate': Input/output error

  I have also logged this against upstream fwupd, but haven't got
  anywhere as yet (good for reference though):
  https://github.com/fwupd/fwupd/issues/2689

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