This bug was fixed in the package grub2 - 2.12~rc1-4ubuntu2
--------------- grub2 (2.12~rc1-4ubuntu2) mantic; urgency=medium
* ubuntu-zfs-enhance-support.patch: Adjustments for 2.12 library (LP: #2029260) * zfs: on_exit: Unmount ${MNTDIR}/boot before ${MNTDIR} (LP: #2031042) * Temporarily rmmod peimage for os-prober chainloader entries (LP: #2030810)
-- Julian Andres Klode <email address hidden> Mon, 21 Aug 2023 14:26:07 +0200
This bug was fixed in the package grub2 - 2.12~rc1-4ubuntu2
---------------
grub2 (2.12~rc1-4ubuntu2) mantic; urgency=medium
* ubuntu- zfs-enhance- support. patch: Adjustments for 2.12 library
(LP: #2029260)
* zfs: on_exit: Unmount ${MNTDIR}/boot before ${MNTDIR} (LP: #2031042)
* Temporarily rmmod peimage for os-prober chainloader entries (LP: #2030810)
-- Julian Andres Klode <email address hidden> Mon, 21 Aug 2023 14:26:07 +0200