The Eoan Ermine has reached end of life, so this bug will not be fixed
for that release
** Changed in: grub2 (Ubuntu Eoan)
Status: Confirmed => Won't Fix
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** Changed in: grub2 (Ubuntu Disco)
Status: Confirmed => Won't Fix
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https://bugs.launchpad.net/bugs/1582811
Title:
update-grub produces broken grub.cfg with ZFS mirror volume
install ubuntu. then run boot-repair in terminal to fix this via liveusb
then try to reboot system. i fixed this and now i'm able to boot into
ubuntu 20.04.
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** Also affects: grub2 (Ubuntu Eoan)
Importance: Undecided
Status: New
** Also affects: grub2 (Ubuntu Bionic)
Importance: Undecided
Status: New
** Also affects: grub2 (Ubuntu Xenial)
Importance: Undecided
Status: New
** Also affects: grub2 (Ubuntu Focal)
In Eoan a workaround for this seems to be to add head -1 to the
following line of /etc/grub.d/10_linux_zfs:
initrd_device=$(${grub_probe} --target=device "${boot_dir}")
to
initrd_device=$(${grub_probe} --target=device "${boot_dir}" | head -1)
This limits the initrd devices to 1, this is only a
Status changed to 'Confirmed' because the bug affects multiple users.
** Changed in: grub2 (Ubuntu)
Status: New => Confirmed
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https://bugs.launchpad.net/bugs/1582811
Title:
The problem seems to be that grub-mkconfig doesn't account for grub-
probe producing a multiple lines of output with a ZFS root device:
/usr/sbin/grub-probe --target=device /
/dev/sdj1
/dev/sdi3
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