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While running an Ubuntu kernel (not a mainline or third-party kernel)
please enter the following command in a terminal window:

apport-collect 1789352

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.

** Changed in: linux (Ubuntu)
       Status: New => Incomplete

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https://bugs.launchpad.net/bugs/1789352

Title:
  GUI hang when installation with nvidia/intel hybrid mode

Status in linux package in Ubuntu:
  Triaged

Bug description:
  On ThinkPad models with nvidia DGPU.
  kernel 4.15 will hang when using NOUVEAU to probe nvidia DGP.

  GUI hang, and installation can NOT proceed.

  Add nomodeset or blacklist nouveau will be a workaround for hang issue, and 
continue install Ubuntu bionic and install nvidia driver.
  After nvidia driver is installed, DGPU works well.

  Add these workarounds always confuses users.

  Could Ubuntu add a troubleshooting menu in grub menu when boot to
  installation media?

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