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[Jürg Häfliger <1909316@xxxxxxxxxxxxxxxxxx>]

** Tags added: kernel-daily-bug

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https://bugs.launchpad.net/bugs/1909316

Title:
  Unable to boot with F-gkeop kernel

Status in ubuntu-kernel-tests:
  Fix Released
Status in linux-gkeop package in Ubuntu:
  Invalid

Bug description:
  Issue found with 5.4.0-1008.9 Focal GKEOP

  The procedure to deploy a F-gkeop system for the test:
  1. Deploy a Focal gcp instance
  2. Enable proposed, install the linux-gkeop and linux-modules-extra-gkeop package (bug 1909232)
  3. Modify the grub to make it boot with the 5.4.0-1008.9 gkeop kernel instead of the default 5.4.0-1029-gcp kernel

  When trying to reboot to this kernel with GRUB default being modified as:
  GRUB_DEFAULT="gnulinux-advanced-dc7ce673-d33f-4a3b-bce1-fff7064b9ab4>gnulinux-5.4.0-1008-gkeop-advanced-dc7ce673-d33f-4a3b-bce1-fff7064b9ab4"

  It looks like the instance will hang. You won't be able to ssh into it
  anymore.

  Command "gcloud compute instances list" shows it's still RUNNING

  I can't connect to the console to see what's going on there:
    $ gcloud compute connect-to-serial-port  f-lgkeop-gkeop-5-4-0-e2std2-aio-dio-bugs --zone=us-west1-a
    channel 0: open failed: connect failed: The serial-port-enable metadata attribute is not set on this VM. It should be set to 'yes' to enable serial port access.
    Connection to ssh-serialport.googleapis.com closed.

  This is blocking the Focal GKEOP SRU tests.

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