[Bug 2033138] Re: 'snap refresh pc-kernel' hangs on mantic FDE install

[Philip Meulengracht]

** Changed in: snapd
       Status: Fix Committed => Fix Released

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https://bugs.launchpad.net/bugs/2033138

Title:
  'snap refresh pc-kernel' hangs on mantic FDE install

Status in snapd:
  Fix Released
Status in update-notifier package in Ubuntu:
  Won't Fix

Bug description:
  Mantic TPM FDE install using canary image 20230825.2.

  This ships with pc-kernel version 1393.  Therefore there is a newer
  version, 1397, that can be refreshed to.

  Running 'sudo snap refresh pc-kernel' from the commandline returns:
    2023-08-26T03:54:46Z INFO Task set to wait until a manual system restart allows to continue
    WARNING: pressing crtl-c will abort the running change.
    Handling re-refresh of "pc-kernel as needed"

  with a spinner that runs endlessly.

  It is unclear what the user is expected to do to continue.

  If I reboot from the desktop boot menu, it does successfully reboot to
  1397.

  The UX should be improved here.  Instead of spinning interminably, the
  snap command should return with clear instructions that the user
  should reboot to finish.

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