Ubuntu
zfs-linux package

  1. Bug #1848496
  2. Comment #6

Comment 6 for bug 1848496

Revision history for this message
emk2203 (emk2203) wrote : Re: [zfs-root] device-mapper: reload ioctl on osprober-linux-sda5 failed: Device or resource busy

A try with
    GRUB_OS_PROBER_SKIP_LIST="16144709171658112187@/dev/sda5"
in /etc/default/grub fails to work around the issue. The error remains.