[Bug 1827697] Re: Enroll key whiptail prompt blocks kernel header package upgrades

[林博仁(Buo-ren, Lin)]

** Attachment added: "Recent APT history log"
   https://bugs.launchpad.net/ubuntu/+source/shim-signed/+bug/1827697/+attachment/5261429/+files/history.log

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Title:
  Enroll key whiptail prompt blocks kernel header package upgrades

Status in shim-signed package in Ubuntu:
  New

Bug description:
  I noticed that sometimes the system upgrade is blocked in the kernel
  header package's configure phase, in the process manager I found that
  it is blocked by the "Configuring Secure Boot" whiptail prompt started
  by `update-secureboot-policy --enroll-key` which doesn't surface to
  the terminal and hence not interactable.

  Refer the attached screenshot for the process status at the time.

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