[Bug 1847632] Re: osprober prints errors about ZFS partitions

[Colin Ian King]

** Also affects: os-prober (Ubuntu)
   Importance: Undecided
       Status: New

** No longer affects: zfs-linux (Ubuntu)

** Changed in: os-prober (Ubuntu)
   Importance: Undecided => Medium

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https://bugs.launchpad.net/bugs/1847632

Title:
  osprober prints errors about ZFS partitions

Status in os-prober package in Ubuntu:
  New

Bug description:
  It is probably a minor problem. I did run an upgrade of my official ZFS installation in a VM.
  It did produce an error:

  device-mapper: reload ioctl on osprober-linux-sdb6  failed: Device or resource busy
  Command failed.

  I have a dual boot so afterwards I did boot from ext4 and did run
  update-grub and that did report the same error.

  See attachment, first lines the update-grub and the lines afterwards
  the last part of the zfs apt upgrade.

  I could boot the systems afterwards and Linux 5.3.0-17 were loaded.

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