[Bug 1902929] [NEW] grub-mkconfig fails to include zpool when using zfs & xen
Todd
1902929 at bugs.launchpad.net
Wed Nov 4 18:56:08 UTC 2020
Public bug reported:
After installing 20.04.1 using the ZFS root option I installed Xen. When
it rebooted it failed in initramfs with the error "No pool imported". I
was able to boot the previous kernel. When I examined the
/boot/grub/grub.cfg I found what looked like invalid "root=ZFS=" options
like this:
"root=ZFS=/ROOT/ubuntu_xxxxxx"
The previous kernel that boots looks like this:
"root=ZFS=rpool/ROOT/ubuntu_xxxxxx"
As a test saved a copy and edited /boot/grub/grub.cfg adding the rpool
to each "root=ZFS=" line where rpool was missing. This time I was able
to boot the Xen kernel.
The xen postinst script is using the update-grub command, which runs grub-mkconfig. Running grub-mkconfig produced this output:
root at corona:~# grub-mkconfig -o /boot/grub/grub.cfg
Sourcing file `/etc/default/grub'
Sourcing file `/etc/default/grub.d/init-select.cfg'
Sourcing file `/etc/default/grub.d/xen.cfg'
Including Xen overrides from /etc/default/grub.d/xen.cfg
WARNING: GRUB_DEFAULT changed to boot into Xen by default!
Edit /etc/default/grub.d/xen.cfg to avoid this warning.
Generating grub configuration file ...
Found linux image: vmlinuz-5.4.0-52-generic in rpool/ROOT/ubuntu_69vvbr
Found initrd image: initrd.img-5.4.0-52-generic in rpool/ROOT/ubuntu_69vvbr
Found linux image: vmlinuz-5.4.0-51-generic in rpool/ROOT/ubuntu_69vvbr
Found initrd image: initrd.img-5.4.0-51-generic in rpool/ROOT/ubuntu_69vvbr
Found linux image: vmlinuz-5.4.0-42-generic in rpool/ROOT/ubuntu_69vvbr
Found initrd image: initrd.img-5.4.0-42-generic in rpool/ROOT/ubuntu_69vvbr
Found linux image: vmlinuz-5.4.0-47-generic in rpool/ROOT/ubuntu_69vvbr at autozsys_4k3sjn
Found initrd image: initrd.img-5.4.0-47-generic in rpool/ROOT/ubuntu_69vvbr at autozsys_4k3sjn
Found linux image: vmlinuz-5.4.0-45-generic in rpool/ROOT/ubuntu_69vvbr at autozsys_4k3sjn
Found initrd image: initrd.img-5.4.0-45-generic in rpool/ROOT/ubuntu_69vvbr at autozsys_4k3sjn
Found linux image: vmlinuz-5.4.0-42-generic in rpool/ROOT/ubuntu_69vvbr at autozsys_4k3sjn
Found initrd image: initrd.img-5.4.0-42-generic in rpool/ROOT/ubuntu_69vvbr at autozsys_4k3sjn
Found linux image: vmlinuz-5.4.0-47-generic in rpool/ROOT/ubuntu_69vvbr at autozsys_7ur3n5
Found initrd image: initrd.img-5.4.0-47-generic in rpool/ROOT/ubuntu_69vvbr at autozsys_7ur3n5
Found linux image: vmlinuz-5.4.0-45-generic in rpool/ROOT/ubuntu_69vvbr at autozsys_7ur3n5
Found initrd image: initrd.img-5.4.0-45-generic in rpool/ROOT/ubuntu_69vvbr at autozsys_7ur3n5
Found linux image: vmlinuz-5.4.0-42-generic in rpool/ROOT/ubuntu_69vvbr at autozsys_7ur3n5
Found initrd image: initrd.img-5.4.0-42-generic in rpool/ROOT/ubuntu_69vvbr at autozsys_7ur3n5
Found linux image: vmlinuz-5.4.0-48-generic in rpool/ROOT/ubuntu_69vvbr at autozsys_l6bt3l
Found initrd image: initrd.img-5.4.0-48-generic in rpool/ROOT/ubuntu_69vvbr at autozsys_l6bt3l
Found linux image: vmlinuz-5.4.0-47-generic in rpool/ROOT/ubuntu_69vvbr at autozsys_l6bt3l
Found initrd image: initrd.img-5.4.0-47-generic in rpool/ROOT/ubuntu_69vvbr at autozsys_l6bt3l
Found linux image: vmlinuz-5.4.0-45-generic in rpool/ROOT/ubuntu_69vvbr at autozsys_l6bt3l
Found initrd image: initrd.img-5.4.0-45-generic in rpool/ROOT/ubuntu_69vvbr at autozsys_l6bt3l
Found linux image: vmlinuz-5.4.0-42-generic in rpool/ROOT/ubuntu_69vvbr at autozsys_l6bt3l
Found initrd image: initrd.img-5.4.0-42-generic in rpool/ROOT/ubuntu_69vvbr at autozsys_l6bt3l
Found linux image: vmlinuz-5.4.0-48-generic in rpool/ROOT/ubuntu_69vvbr at autozsys_3qeu07
Found initrd image: initrd.img-5.4.0-48-generic in rpool/ROOT/ubuntu_69vvbr at autozsys_3qeu07
Found linux image: vmlinuz-5.4.0-47-generic in rpool/ROOT/ubuntu_69vvbr at autozsys_3qeu07
Found initrd image: initrd.img-5.4.0-47-generic in rpool/ROOT/ubuntu_69vvbr at autozsys_3qeu07
Found linux image: vmlinuz-5.4.0-42-generic in rpool/ROOT/ubuntu_69vvbr at autozsys_3qeu07
Found initrd image: initrd.img-5.4.0-42-generic in rpool/ROOT/ubuntu_69vvbr at autozsys_3qeu07
Found linux image: vmlinuz-5.4.0-48-generic in rpool/ROOT/ubuntu_69vvbr at autozsys_bxegdn
Found initrd image: initrd.img-5.4.0-48-generic in rpool/ROOT/ubuntu_69vvbr at autozsys_bxegdn
Found linux image: vmlinuz-5.4.0-47-generic in rpool/ROOT/ubuntu_69vvbr at autozsys_bxegdn
Found initrd image: initrd.img-5.4.0-47-generic in rpool/ROOT/ubuntu_69vvbr at autozsys_bxegdn
Found linux image: vmlinuz-5.4.0-42-generic in rpool/ROOT/ubuntu_69vvbr at autozsys_bxegdn
Found initrd image: initrd.img-5.4.0-42-generic in rpool/ROOT/ubuntu_69vvbr at autozsys_bxegdn
Found linux image: vmlinuz-5.4.0-48-generic in rpool/ROOT/ubuntu_69vvbr at autozsys_61mm5b
Found initrd image: initrd.img-5.4.0-48-generic in rpool/ROOT/ubuntu_69vvbr at autozsys_61mm5b
Found linux image: vmlinuz-5.4.0-47-generic in rpool/ROOT/ubuntu_69vvbr at autozsys_61mm5b
Found initrd image: initrd.img-5.4.0-47-generic in rpool/ROOT/ubuntu_69vvbr at autozsys_61mm5b
Found linux image: vmlinuz-5.4.0-42-generic in rpool/ROOT/ubuntu_69vvbr at autozsys_61mm5b
Found initrd image: initrd.img-5.4.0-42-generic in rpool/ROOT/ubuntu_69vvbr at autozsys_61mm5b
Found linux image: vmlinuz-5.4.0-48-generic in rpool/ROOT/ubuntu_69vvbr at autozsys_uha13z
Found initrd image: initrd.img-5.4.0-48-generic in rpool/ROOT/ubuntu_69vvbr at autozsys_uha13z
Found linux image: vmlinuz-5.4.0-47-generic in rpool/ROOT/ubuntu_69vvbr at autozsys_uha13z
Found initrd image: initrd.img-5.4.0-47-generic in rpool/ROOT/ubuntu_69vvbr at autozsys_uha13z
Found linux image: vmlinuz-5.4.0-42-generic in rpool/ROOT/ubuntu_69vvbr at autozsys_uha13z
Found initrd image: initrd.img-5.4.0-42-generic in rpool/ROOT/ubuntu_69vvbr at autozsys_uha13z
Found linux image: vmlinuz-5.4.0-48-generic in rpool/ROOT/ubuntu_69vvbr at autozsys_unje59
Found initrd image: initrd.img-5.4.0-48-generic in rpool/ROOT/ubuntu_69vvbr at autozsys_unje59
Found linux image: vmlinuz-5.4.0-47-generic in rpool/ROOT/ubuntu_69vvbr at autozsys_unje59
Found initrd image: initrd.img-5.4.0-47-generic in rpool/ROOT/ubuntu_69vvbr at autozsys_unje59
Found linux image: vmlinuz-5.4.0-42-generic in rpool/ROOT/ubuntu_69vvbr at autozsys_unje59
Found initrd image: initrd.img-5.4.0-42-generic in rpool/ROOT/ubuntu_69vvbr at autozsys_unje59
Found linux image: vmlinuz-5.4.0-48-generic in rpool/ROOT/ubuntu_69vvbr at autozsys_hcto93
Found initrd image: initrd.img-5.4.0-48-generic in rpool/ROOT/ubuntu_69vvbr at autozsys_hcto93
Found linux image: vmlinuz-5.4.0-47-generic in rpool/ROOT/ubuntu_69vvbr at autozsys_hcto93
Found initrd image: initrd.img-5.4.0-47-generic in rpool/ROOT/ubuntu_69vvbr at autozsys_hcto93
Found linux image: vmlinuz-5.4.0-42-generic in rpool/ROOT/ubuntu_69vvbr at autozsys_hcto93
Found initrd image: initrd.img-5.4.0-42-generic in rpool/ROOT/ubuntu_69vvbr at autozsys_hcto93
Found linux image: vmlinuz-5.4.0-48-generic in rpool/ROOT/ubuntu_69vvbr at autozsys_tft21p
Found initrd image: initrd.img-5.4.0-48-generic in rpool/ROOT/ubuntu_69vvbr at autozsys_tft21p
Found linux image: vmlinuz-5.4.0-47-generic in rpool/ROOT/ubuntu_69vvbr at autozsys_tft21p
Found initrd image: initrd.img-5.4.0-47-generic in rpool/ROOT/ubuntu_69vvbr at autozsys_tft21p
Found linux image: vmlinuz-5.4.0-42-generic in rpool/ROOT/ubuntu_69vvbr at autozsys_tft21p
Found initrd image: initrd.img-5.4.0-42-generic in rpool/ROOT/ubuntu_69vvbr at autozsys_tft21p
Found linux image: vmlinuz-5.4.0-51-generic in rpool/ROOT/ubuntu_69vvbr at autozsys_737ehb
Found initrd image: initrd.img-5.4.0-51-generic in rpool/ROOT/ubuntu_69vvbr at autozsys_737ehb
Found linux image: vmlinuz-5.4.0-48-generic in rpool/ROOT/ubuntu_69vvbr at autozsys_737ehb
Found initrd image: initrd.img-5.4.0-48-generic in rpool/ROOT/ubuntu_69vvbr at autozsys_737ehb
Found linux image: vmlinuz-5.4.0-47-generic in rpool/ROOT/ubuntu_69vvbr at autozsys_737ehb
Found initrd image: initrd.img-5.4.0-47-generic in rpool/ROOT/ubuntu_69vvbr at autozsys_737ehb
Found linux image: vmlinuz-5.4.0-42-generic in rpool/ROOT/ubuntu_69vvbr at autozsys_737ehb
Found initrd image: initrd.img-5.4.0-42-generic in rpool/ROOT/ubuntu_69vvbr at autozsys_737ehb
Found linux image: vmlinuz-5.4.0-51-generic in rpool/ROOT/ubuntu_69vvbr at autozsys_lqpbmi
Found initrd image: initrd.img-5.4.0-51-generic in rpool/ROOT/ubuntu_69vvbr at autozsys_lqpbmi
Found linux image: vmlinuz-5.4.0-48-generic in rpool/ROOT/ubuntu_69vvbr at autozsys_lqpbmi
Found initrd image: initrd.img-5.4.0-48-generic in rpool/ROOT/ubuntu_69vvbr at autozsys_lqpbmi
Found linux image: vmlinuz-5.4.0-42-generic in rpool/ROOT/ubuntu_69vvbr at autozsys_lqpbmi
Found initrd image: initrd.img-5.4.0-42-generic in rpool/ROOT/ubuntu_69vvbr at autozsys_lqpbmi
Found linux image: vmlinuz-5.4.0-51-generic in rpool/ROOT/ubuntu_69vvbr at autozsys_ont8y3
Found initrd image: initrd.img-5.4.0-51-generic in rpool/ROOT/ubuntu_69vvbr at autozsys_ont8y3
Found linux image: vmlinuz-5.4.0-48-generic in rpool/ROOT/ubuntu_69vvbr at autozsys_ont8y3
Found initrd image: initrd.img-5.4.0-48-generic in rpool/ROOT/ubuntu_69vvbr at autozsys_ont8y3
Found linux image: vmlinuz-5.4.0-42-generic in rpool/ROOT/ubuntu_69vvbr at autozsys_ont8y3
Found initrd image: initrd.img-5.4.0-42-generic in rpool/ROOT/ubuntu_69vvbr at autozsys_ont8y3
Found linux image: vmlinuz-5.4.0-52-generic in rpool/ROOT/ubuntu_69vvbr at autozsys_w0lwby
Found initrd image: initrd.img-5.4.0-52-generic in rpool/ROOT/ubuntu_69vvbr at autozsys_w0lwby
Found linux image: vmlinuz-5.4.0-51-generic in rpool/ROOT/ubuntu_69vvbr at autozsys_w0lwby
Found initrd image: initrd.img-5.4.0-51-generic in rpool/ROOT/ubuntu_69vvbr at autozsys_w0lwby
Found linux image: vmlinuz-5.4.0-48-generic in rpool/ROOT/ubuntu_69vvbr at autozsys_w0lwby
Found initrd image: initrd.img-5.4.0-48-generic in rpool/ROOT/ubuntu_69vvbr at autozsys_w0lwby
Found linux image: vmlinuz-5.4.0-42-generic in rpool/ROOT/ubuntu_69vvbr at autozsys_w0lwby
Found initrd image: initrd.img-5.4.0-42-generic in rpool/ROOT/ubuntu_69vvbr at autozsys_w0lwby
Found linux image: vmlinuz-5.4.0-52-generic in rpool/ROOT/ubuntu_69vvbr at autozsys_gqzw31
Found initrd image: initrd.img-5.4.0-52-generic in rpool/ROOT/ubuntu_69vvbr at autozsys_gqzw31
Found linux image: vmlinuz-5.4.0-51-generic in rpool/ROOT/ubuntu_69vvbr at autozsys_gqzw31
Found initrd image: initrd.img-5.4.0-51-generic in rpool/ROOT/ubuntu_69vvbr at autozsys_gqzw31
Found linux image: vmlinuz-5.4.0-42-generic in rpool/ROOT/ubuntu_69vvbr at autozsys_gqzw31
Found initrd image: initrd.img-5.4.0-42-generic in rpool/ROOT/ubuntu_69vvbr at autozsys_gqzw31
Found linux image: vmlinuz-5.4.0-52-generic in rpool/ROOT/ubuntu_69vvbr at autozsys_260vd0
Found initrd image: initrd.img-5.4.0-52-generic in rpool/ROOT/ubuntu_69vvbr at autozsys_260vd0
Found linux image: vmlinuz-5.4.0-51-generic in rpool/ROOT/ubuntu_69vvbr at autozsys_260vd0
Found initrd image: initrd.img-5.4.0-51-generic in rpool/ROOT/ubuntu_69vvbr at autozsys_260vd0
Found linux image: vmlinuz-5.4.0-42-generic in rpool/ROOT/ubuntu_69vvbr at autozsys_260vd0
Found initrd image: initrd.img-5.4.0-42-generic in rpool/ROOT/ubuntu_69vvbr at autozsys_260vd0
Found linux image: vmlinuz-5.4.0-52-generic in rpool/ROOT/ubuntu_69vvbr at autozsys_mdizzd
Found initrd image: initrd.img-5.4.0-52-generic in rpool/ROOT/ubuntu_69vvbr at autozsys_mdizzd
Found linux image: vmlinuz-5.4.0-51-generic in rpool/ROOT/ubuntu_69vvbr at autozsys_mdizzd
Found initrd image: initrd.img-5.4.0-51-generic in rpool/ROOT/ubuntu_69vvbr at autozsys_mdizzd
Found linux image: vmlinuz-5.4.0-42-generic in rpool/ROOT/ubuntu_69vvbr at autozsys_mdizzd
Found initrd image: initrd.img-5.4.0-42-generic in rpool/ROOT/ubuntu_69vvbr at autozsys_mdizzd
Found linux image: vmlinuz-5.4.0-52-generic in rpool/ROOT/ubuntu_69vvbr at autozsys_c1fhar
Found initrd image: initrd.img-5.4.0-52-generic in rpool/ROOT/ubuntu_69vvbr at autozsys_c1fhar
Found linux image: vmlinuz-5.4.0-51-generic in rpool/ROOT/ubuntu_69vvbr at autozsys_c1fhar
Found initrd image: initrd.img-5.4.0-51-generic in rpool/ROOT/ubuntu_69vvbr at autozsys_c1fhar
Found linux image: vmlinuz-5.4.0-42-generic in rpool/ROOT/ubuntu_69vvbr at autozsys_c1fhar
Found initrd image: initrd.img-5.4.0-42-generic in rpool/ROOT/ubuntu_69vvbr at autozsys_c1fhar
Found linux image: vmlinuz-5.4.0-52-generic in rpool/ROOT/ubuntu_69vvbr at autozsys_xl9cyz
Found initrd image: initrd.img-5.4.0-52-generic in rpool/ROOT/ubuntu_69vvbr at autozsys_xl9cyz
Found linux image: vmlinuz-5.4.0-51-generic in rpool/ROOT/ubuntu_69vvbr at autozsys_xl9cyz
Found initrd image: initrd.img-5.4.0-51-generic in rpool/ROOT/ubuntu_69vvbr at autozsys_xl9cyz
Found linux image: vmlinuz-5.4.0-42-generic in rpool/ROOT/ubuntu_69vvbr at autozsys_xl9cyz
Found initrd image: initrd.img-5.4.0-42-generic in rpool/ROOT/ubuntu_69vvbr at autozsys_xl9cyz
Found linux image: vmlinuz-5.4.0-52-generic in rpool/ROOT/ubuntu_69vvbr at autozsys_qail9a
Found initrd image: initrd.img-5.4.0-52-generic in rpool/ROOT/ubuntu_69vvbr at autozsys_qail9a
Found linux image: vmlinuz-5.4.0-51-generic in rpool/ROOT/ubuntu_69vvbr at autozsys_qail9a
Found initrd image: initrd.img-5.4.0-51-generic in rpool/ROOT/ubuntu_69vvbr at autozsys_qail9a
Found linux image: vmlinuz-5.4.0-42-generic in rpool/ROOT/ubuntu_69vvbr at autozsys_qail9a
Found initrd image: initrd.img-5.4.0-42-generic in rpool/ROOT/ubuntu_69vvbr at autozsys_qail9a
Found linux image: vmlinuz-5.4.0-52-generic in rpool/ROOT/ubuntu_69vvbr at autozsys_c1dg8m
Found initrd image: initrd.img-5.4.0-52-generic in rpool/ROOT/ubuntu_69vvbr at autozsys_c1dg8m
Found linux image: vmlinuz-5.4.0-51-generic in rpool/ROOT/ubuntu_69vvbr at autozsys_c1dg8m
Found initrd image: initrd.img-5.4.0-51-generic in rpool/ROOT/ubuntu_69vvbr at autozsys_c1dg8m
Found linux image: vmlinuz-5.4.0-42-generic in rpool/ROOT/ubuntu_69vvbr at autozsys_c1dg8m
Found initrd image: initrd.img-5.4.0-42-generic in rpool/ROOT/ubuntu_69vvbr at autozsys_c1dg8m
Found linux image: /boot/vmlinuz-5.4.0-52-generic
Found initrd image: /boot/initrd.img-5.4.0-52-generic
Found linux image: /boot/vmlinuz-5.4.0-51-generic
Found initrd image: /boot/initrd.img-5.4.0-51-generic
Found linux image: /boot/vmlinuz-5.4.0-42-generic
Found initrd image: /boot/initrd.img-5.4.0-42-generic
Found linux image: /boot/vmlinuz-5.4.0-52-generic
Found initrd image: /boot/initrd.img-5.4.0-52-generic
Found linux image: /boot/vmlinuz-5.4.0-51-generic
Found initrd image: /boot/initrd.img-5.4.0-51-generic
Found linux image: /boot/vmlinuz-5.4.0-42-generic
Found initrd image: /boot/initrd.img-5.4.0-42-generic
Found linux image: /boot/vmlinuz-5.4.0-52-generic
Found initrd image: /boot/initrd.img-5.4.0-52-generic
Found linux image: /boot/vmlinuz-5.4.0-51-generic
Found initrd image: /boot/initrd.img-5.4.0-51-generic
Found linux image: /boot/vmlinuz-5.4.0-42-generic
Found initrd image: /boot/initrd.img-5.4.0-42-generic
Found memtest86+ image: /BOOT/ubuntu_69vvbr@/memtest86+.elf
Found memtest86+ image: /BOOT/ubuntu_69vvbr@/memtest86+.bin
device-mapper: reload ioctl on osprober-linux-sda7 failed: Device or resource busy
Command failed.
done
The result in /boot/grub/grub.cfg include lines like this:
"module2 /BOOT/ubuntu_69vvbr@/vmlinuz-5.4.0-52-generic
placeholder root=ZFS=/ROOT/ubuntu_69vvbr ro quiet splash"
The "root=ZFS=/ROOT/ubuntu_69vvbr" should be
"root=ZFS=rpool/ROOT/ubuntu_69vvbr"
==============================
How to reproduce the problem
>From scratch install ubuntu 20.04.1 desktop, select ZFS as root option, then install xen-hypervisor-4.11-amd64.
It will fail to reboot because the grub root=ZFS=/ROOT/ argument is wrong.
** Affects: grub2 (Ubuntu)
Importance: Undecided
Status: New
** Package changed: xen (Ubuntu) => grub2 (Ubuntu)
--
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https://bugs.launchpad.net/bugs/1902929
Title:
grub-mkconfig fails to include zpool when using zfs & xen
Status in grub2 package in Ubuntu:
New
Bug description:
After installing 20.04.1 using the ZFS root option I installed Xen.
When it rebooted it failed in initramfs with the error "No pool
imported". I was able to boot the previous kernel. When I examined the
/boot/grub/grub.cfg I found what looked like invalid "root=ZFS="
options like this:
"root=ZFS=/ROOT/ubuntu_xxxxxx"
The previous kernel that boots looks like this:
"root=ZFS=rpool/ROOT/ubuntu_xxxxxx"
As a test saved a copy and edited /boot/grub/grub.cfg adding the rpool
to each "root=ZFS=" line where rpool was missing. This time I was able
to boot the Xen kernel.
The xen postinst script is using the update-grub command, which runs grub-mkconfig. Running grub-mkconfig produced this output:
root at corona:~# grub-mkconfig -o /boot/grub/grub.cfg
Sourcing file `/etc/default/grub'
Sourcing file `/etc/default/grub.d/init-select.cfg'
Sourcing file `/etc/default/grub.d/xen.cfg'
Including Xen overrides from /etc/default/grub.d/xen.cfg
WARNING: GRUB_DEFAULT changed to boot into Xen by default!
Edit /etc/default/grub.d/xen.cfg to avoid this warning.
Generating grub configuration file ...
Found linux image: vmlinuz-5.4.0-52-generic in rpool/ROOT/ubuntu_69vvbr
Found initrd image: initrd.img-5.4.0-52-generic in rpool/ROOT/ubuntu_69vvbr
Found linux image: vmlinuz-5.4.0-51-generic in rpool/ROOT/ubuntu_69vvbr
Found initrd image: initrd.img-5.4.0-51-generic in rpool/ROOT/ubuntu_69vvbr
Found linux image: vmlinuz-5.4.0-42-generic in rpool/ROOT/ubuntu_69vvbr
Found initrd image: initrd.img-5.4.0-42-generic in rpool/ROOT/ubuntu_69vvbr
Found linux image: vmlinuz-5.4.0-47-generic in rpool/ROOT/ubuntu_69vvbr at autozsys_4k3sjn
Found initrd image: initrd.img-5.4.0-47-generic in rpool/ROOT/ubuntu_69vvbr at autozsys_4k3sjn
Found linux image: vmlinuz-5.4.0-45-generic in rpool/ROOT/ubuntu_69vvbr at autozsys_4k3sjn
Found initrd image: initrd.img-5.4.0-45-generic in rpool/ROOT/ubuntu_69vvbr at autozsys_4k3sjn
Found linux image: vmlinuz-5.4.0-42-generic in rpool/ROOT/ubuntu_69vvbr at autozsys_4k3sjn
Found initrd image: initrd.img-5.4.0-42-generic in rpool/ROOT/ubuntu_69vvbr at autozsys_4k3sjn
Found linux image: vmlinuz-5.4.0-47-generic in rpool/ROOT/ubuntu_69vvbr at autozsys_7ur3n5
Found initrd image: initrd.img-5.4.0-47-generic in rpool/ROOT/ubuntu_69vvbr at autozsys_7ur3n5
Found linux image: vmlinuz-5.4.0-45-generic in rpool/ROOT/ubuntu_69vvbr at autozsys_7ur3n5
Found initrd image: initrd.img-5.4.0-45-generic in rpool/ROOT/ubuntu_69vvbr at autozsys_7ur3n5
Found linux image: vmlinuz-5.4.0-42-generic in rpool/ROOT/ubuntu_69vvbr at autozsys_7ur3n5
Found initrd image: initrd.img-5.4.0-42-generic in rpool/ROOT/ubuntu_69vvbr at autozsys_7ur3n5
Found linux image: vmlinuz-5.4.0-48-generic in rpool/ROOT/ubuntu_69vvbr at autozsys_l6bt3l
Found initrd image: initrd.img-5.4.0-48-generic in rpool/ROOT/ubuntu_69vvbr at autozsys_l6bt3l
Found linux image: vmlinuz-5.4.0-47-generic in rpool/ROOT/ubuntu_69vvbr at autozsys_l6bt3l
Found initrd image: initrd.img-5.4.0-47-generic in rpool/ROOT/ubuntu_69vvbr at autozsys_l6bt3l
Found linux image: vmlinuz-5.4.0-45-generic in rpool/ROOT/ubuntu_69vvbr at autozsys_l6bt3l
Found initrd image: initrd.img-5.4.0-45-generic in rpool/ROOT/ubuntu_69vvbr at autozsys_l6bt3l
Found linux image: vmlinuz-5.4.0-42-generic in rpool/ROOT/ubuntu_69vvbr at autozsys_l6bt3l
Found initrd image: initrd.img-5.4.0-42-generic in rpool/ROOT/ubuntu_69vvbr at autozsys_l6bt3l
Found linux image: vmlinuz-5.4.0-48-generic in rpool/ROOT/ubuntu_69vvbr at autozsys_3qeu07
Found initrd image: initrd.img-5.4.0-48-generic in rpool/ROOT/ubuntu_69vvbr at autozsys_3qeu07
Found linux image: vmlinuz-5.4.0-47-generic in rpool/ROOT/ubuntu_69vvbr at autozsys_3qeu07
Found initrd image: initrd.img-5.4.0-47-generic in rpool/ROOT/ubuntu_69vvbr at autozsys_3qeu07
Found linux image: vmlinuz-5.4.0-42-generic in rpool/ROOT/ubuntu_69vvbr at autozsys_3qeu07
Found initrd image: initrd.img-5.4.0-42-generic in rpool/ROOT/ubuntu_69vvbr at autozsys_3qeu07
Found linux image: vmlinuz-5.4.0-48-generic in rpool/ROOT/ubuntu_69vvbr at autozsys_bxegdn
Found initrd image: initrd.img-5.4.0-48-generic in rpool/ROOT/ubuntu_69vvbr at autozsys_bxegdn
Found linux image: vmlinuz-5.4.0-47-generic in rpool/ROOT/ubuntu_69vvbr at autozsys_bxegdn
Found initrd image: initrd.img-5.4.0-47-generic in rpool/ROOT/ubuntu_69vvbr at autozsys_bxegdn
Found linux image: vmlinuz-5.4.0-42-generic in rpool/ROOT/ubuntu_69vvbr at autozsys_bxegdn
Found initrd image: initrd.img-5.4.0-42-generic in rpool/ROOT/ubuntu_69vvbr at autozsys_bxegdn
Found linux image: vmlinuz-5.4.0-48-generic in rpool/ROOT/ubuntu_69vvbr at autozsys_61mm5b
Found initrd image: initrd.img-5.4.0-48-generic in rpool/ROOT/ubuntu_69vvbr at autozsys_61mm5b
Found linux image: vmlinuz-5.4.0-47-generic in rpool/ROOT/ubuntu_69vvbr at autozsys_61mm5b
Found initrd image: initrd.img-5.4.0-47-generic in rpool/ROOT/ubuntu_69vvbr at autozsys_61mm5b
Found linux image: vmlinuz-5.4.0-42-generic in rpool/ROOT/ubuntu_69vvbr at autozsys_61mm5b
Found initrd image: initrd.img-5.4.0-42-generic in rpool/ROOT/ubuntu_69vvbr at autozsys_61mm5b
Found linux image: vmlinuz-5.4.0-48-generic in rpool/ROOT/ubuntu_69vvbr at autozsys_uha13z
Found initrd image: initrd.img-5.4.0-48-generic in rpool/ROOT/ubuntu_69vvbr at autozsys_uha13z
Found linux image: vmlinuz-5.4.0-47-generic in rpool/ROOT/ubuntu_69vvbr at autozsys_uha13z
Found initrd image: initrd.img-5.4.0-47-generic in rpool/ROOT/ubuntu_69vvbr at autozsys_uha13z
Found linux image: vmlinuz-5.4.0-42-generic in rpool/ROOT/ubuntu_69vvbr at autozsys_uha13z
Found initrd image: initrd.img-5.4.0-42-generic in rpool/ROOT/ubuntu_69vvbr at autozsys_uha13z
Found linux image: vmlinuz-5.4.0-48-generic in rpool/ROOT/ubuntu_69vvbr at autozsys_unje59
Found initrd image: initrd.img-5.4.0-48-generic in rpool/ROOT/ubuntu_69vvbr at autozsys_unje59
Found linux image: vmlinuz-5.4.0-47-generic in rpool/ROOT/ubuntu_69vvbr at autozsys_unje59
Found initrd image: initrd.img-5.4.0-47-generic in rpool/ROOT/ubuntu_69vvbr at autozsys_unje59
Found linux image: vmlinuz-5.4.0-42-generic in rpool/ROOT/ubuntu_69vvbr at autozsys_unje59
Found initrd image: initrd.img-5.4.0-42-generic in rpool/ROOT/ubuntu_69vvbr at autozsys_unje59
Found linux image: vmlinuz-5.4.0-48-generic in rpool/ROOT/ubuntu_69vvbr at autozsys_hcto93
Found initrd image: initrd.img-5.4.0-48-generic in rpool/ROOT/ubuntu_69vvbr at autozsys_hcto93
Found linux image: vmlinuz-5.4.0-47-generic in rpool/ROOT/ubuntu_69vvbr at autozsys_hcto93
Found initrd image: initrd.img-5.4.0-47-generic in rpool/ROOT/ubuntu_69vvbr at autozsys_hcto93
Found linux image: vmlinuz-5.4.0-42-generic in rpool/ROOT/ubuntu_69vvbr at autozsys_hcto93
Found initrd image: initrd.img-5.4.0-42-generic in rpool/ROOT/ubuntu_69vvbr at autozsys_hcto93
Found linux image: vmlinuz-5.4.0-48-generic in rpool/ROOT/ubuntu_69vvbr at autozsys_tft21p
Found initrd image: initrd.img-5.4.0-48-generic in rpool/ROOT/ubuntu_69vvbr at autozsys_tft21p
Found linux image: vmlinuz-5.4.0-47-generic in rpool/ROOT/ubuntu_69vvbr at autozsys_tft21p
Found initrd image: initrd.img-5.4.0-47-generic in rpool/ROOT/ubuntu_69vvbr at autozsys_tft21p
Found linux image: vmlinuz-5.4.0-42-generic in rpool/ROOT/ubuntu_69vvbr at autozsys_tft21p
Found initrd image: initrd.img-5.4.0-42-generic in rpool/ROOT/ubuntu_69vvbr at autozsys_tft21p
Found linux image: vmlinuz-5.4.0-51-generic in rpool/ROOT/ubuntu_69vvbr at autozsys_737ehb
Found initrd image: initrd.img-5.4.0-51-generic in rpool/ROOT/ubuntu_69vvbr at autozsys_737ehb
Found linux image: vmlinuz-5.4.0-48-generic in rpool/ROOT/ubuntu_69vvbr at autozsys_737ehb
Found initrd image: initrd.img-5.4.0-48-generic in rpool/ROOT/ubuntu_69vvbr at autozsys_737ehb
Found linux image: vmlinuz-5.4.0-47-generic in rpool/ROOT/ubuntu_69vvbr at autozsys_737ehb
Found initrd image: initrd.img-5.4.0-47-generic in rpool/ROOT/ubuntu_69vvbr at autozsys_737ehb
Found linux image: vmlinuz-5.4.0-42-generic in rpool/ROOT/ubuntu_69vvbr at autozsys_737ehb
Found initrd image: initrd.img-5.4.0-42-generic in rpool/ROOT/ubuntu_69vvbr at autozsys_737ehb
Found linux image: vmlinuz-5.4.0-51-generic in rpool/ROOT/ubuntu_69vvbr at autozsys_lqpbmi
Found initrd image: initrd.img-5.4.0-51-generic in rpool/ROOT/ubuntu_69vvbr at autozsys_lqpbmi
Found linux image: vmlinuz-5.4.0-48-generic in rpool/ROOT/ubuntu_69vvbr at autozsys_lqpbmi
Found initrd image: initrd.img-5.4.0-48-generic in rpool/ROOT/ubuntu_69vvbr at autozsys_lqpbmi
Found linux image: vmlinuz-5.4.0-42-generic in rpool/ROOT/ubuntu_69vvbr at autozsys_lqpbmi
Found initrd image: initrd.img-5.4.0-42-generic in rpool/ROOT/ubuntu_69vvbr at autozsys_lqpbmi
Found linux image: vmlinuz-5.4.0-51-generic in rpool/ROOT/ubuntu_69vvbr at autozsys_ont8y3
Found initrd image: initrd.img-5.4.0-51-generic in rpool/ROOT/ubuntu_69vvbr at autozsys_ont8y3
Found linux image: vmlinuz-5.4.0-48-generic in rpool/ROOT/ubuntu_69vvbr at autozsys_ont8y3
Found initrd image: initrd.img-5.4.0-48-generic in rpool/ROOT/ubuntu_69vvbr at autozsys_ont8y3
Found linux image: vmlinuz-5.4.0-42-generic in rpool/ROOT/ubuntu_69vvbr at autozsys_ont8y3
Found initrd image: initrd.img-5.4.0-42-generic in rpool/ROOT/ubuntu_69vvbr at autozsys_ont8y3
Found linux image: vmlinuz-5.4.0-52-generic in rpool/ROOT/ubuntu_69vvbr at autozsys_w0lwby
Found initrd image: initrd.img-5.4.0-52-generic in rpool/ROOT/ubuntu_69vvbr at autozsys_w0lwby
Found linux image: vmlinuz-5.4.0-51-generic in rpool/ROOT/ubuntu_69vvbr at autozsys_w0lwby
Found initrd image: initrd.img-5.4.0-51-generic in rpool/ROOT/ubuntu_69vvbr at autozsys_w0lwby
Found linux image: vmlinuz-5.4.0-48-generic in rpool/ROOT/ubuntu_69vvbr at autozsys_w0lwby
Found initrd image: initrd.img-5.4.0-48-generic in rpool/ROOT/ubuntu_69vvbr at autozsys_w0lwby
Found linux image: vmlinuz-5.4.0-42-generic in rpool/ROOT/ubuntu_69vvbr at autozsys_w0lwby
Found initrd image: initrd.img-5.4.0-42-generic in rpool/ROOT/ubuntu_69vvbr at autozsys_w0lwby
Found linux image: vmlinuz-5.4.0-52-generic in rpool/ROOT/ubuntu_69vvbr at autozsys_gqzw31
Found initrd image: initrd.img-5.4.0-52-generic in rpool/ROOT/ubuntu_69vvbr at autozsys_gqzw31
Found linux image: vmlinuz-5.4.0-51-generic in rpool/ROOT/ubuntu_69vvbr at autozsys_gqzw31
Found initrd image: initrd.img-5.4.0-51-generic in rpool/ROOT/ubuntu_69vvbr at autozsys_gqzw31
Found linux image: vmlinuz-5.4.0-42-generic in rpool/ROOT/ubuntu_69vvbr at autozsys_gqzw31
Found initrd image: initrd.img-5.4.0-42-generic in rpool/ROOT/ubuntu_69vvbr at autozsys_gqzw31
Found linux image: vmlinuz-5.4.0-52-generic in rpool/ROOT/ubuntu_69vvbr at autozsys_260vd0
Found initrd image: initrd.img-5.4.0-52-generic in rpool/ROOT/ubuntu_69vvbr at autozsys_260vd0
Found linux image: vmlinuz-5.4.0-51-generic in rpool/ROOT/ubuntu_69vvbr at autozsys_260vd0
Found initrd image: initrd.img-5.4.0-51-generic in rpool/ROOT/ubuntu_69vvbr at autozsys_260vd0
Found linux image: vmlinuz-5.4.0-42-generic in rpool/ROOT/ubuntu_69vvbr at autozsys_260vd0
Found initrd image: initrd.img-5.4.0-42-generic in rpool/ROOT/ubuntu_69vvbr at autozsys_260vd0
Found linux image: vmlinuz-5.4.0-52-generic in rpool/ROOT/ubuntu_69vvbr at autozsys_mdizzd
Found initrd image: initrd.img-5.4.0-52-generic in rpool/ROOT/ubuntu_69vvbr at autozsys_mdizzd
Found linux image: vmlinuz-5.4.0-51-generic in rpool/ROOT/ubuntu_69vvbr at autozsys_mdizzd
Found initrd image: initrd.img-5.4.0-51-generic in rpool/ROOT/ubuntu_69vvbr at autozsys_mdizzd
Found linux image: vmlinuz-5.4.0-42-generic in rpool/ROOT/ubuntu_69vvbr at autozsys_mdizzd
Found initrd image: initrd.img-5.4.0-42-generic in rpool/ROOT/ubuntu_69vvbr at autozsys_mdizzd
Found linux image: vmlinuz-5.4.0-52-generic in rpool/ROOT/ubuntu_69vvbr at autozsys_c1fhar
Found initrd image: initrd.img-5.4.0-52-generic in rpool/ROOT/ubuntu_69vvbr at autozsys_c1fhar
Found linux image: vmlinuz-5.4.0-51-generic in rpool/ROOT/ubuntu_69vvbr at autozsys_c1fhar
Found initrd image: initrd.img-5.4.0-51-generic in rpool/ROOT/ubuntu_69vvbr at autozsys_c1fhar
Found linux image: vmlinuz-5.4.0-42-generic in rpool/ROOT/ubuntu_69vvbr at autozsys_c1fhar
Found initrd image: initrd.img-5.4.0-42-generic in rpool/ROOT/ubuntu_69vvbr at autozsys_c1fhar
Found linux image: vmlinuz-5.4.0-52-generic in rpool/ROOT/ubuntu_69vvbr at autozsys_xl9cyz
Found initrd image: initrd.img-5.4.0-52-generic in rpool/ROOT/ubuntu_69vvbr at autozsys_xl9cyz
Found linux image: vmlinuz-5.4.0-51-generic in rpool/ROOT/ubuntu_69vvbr at autozsys_xl9cyz
Found initrd image: initrd.img-5.4.0-51-generic in rpool/ROOT/ubuntu_69vvbr at autozsys_xl9cyz
Found linux image: vmlinuz-5.4.0-42-generic in rpool/ROOT/ubuntu_69vvbr at autozsys_xl9cyz
Found initrd image: initrd.img-5.4.0-42-generic in rpool/ROOT/ubuntu_69vvbr at autozsys_xl9cyz
Found linux image: vmlinuz-5.4.0-52-generic in rpool/ROOT/ubuntu_69vvbr at autozsys_qail9a
Found initrd image: initrd.img-5.4.0-52-generic in rpool/ROOT/ubuntu_69vvbr at autozsys_qail9a
Found linux image: vmlinuz-5.4.0-51-generic in rpool/ROOT/ubuntu_69vvbr at autozsys_qail9a
Found initrd image: initrd.img-5.4.0-51-generic in rpool/ROOT/ubuntu_69vvbr at autozsys_qail9a
Found linux image: vmlinuz-5.4.0-42-generic in rpool/ROOT/ubuntu_69vvbr at autozsys_qail9a
Found initrd image: initrd.img-5.4.0-42-generic in rpool/ROOT/ubuntu_69vvbr at autozsys_qail9a
Found linux image: vmlinuz-5.4.0-52-generic in rpool/ROOT/ubuntu_69vvbr at autozsys_c1dg8m
Found initrd image: initrd.img-5.4.0-52-generic in rpool/ROOT/ubuntu_69vvbr at autozsys_c1dg8m
Found linux image: vmlinuz-5.4.0-51-generic in rpool/ROOT/ubuntu_69vvbr at autozsys_c1dg8m
Found initrd image: initrd.img-5.4.0-51-generic in rpool/ROOT/ubuntu_69vvbr at autozsys_c1dg8m
Found linux image: vmlinuz-5.4.0-42-generic in rpool/ROOT/ubuntu_69vvbr at autozsys_c1dg8m
Found initrd image: initrd.img-5.4.0-42-generic in rpool/ROOT/ubuntu_69vvbr at autozsys_c1dg8m
Found linux image: /boot/vmlinuz-5.4.0-52-generic
Found initrd image: /boot/initrd.img-5.4.0-52-generic
Found linux image: /boot/vmlinuz-5.4.0-51-generic
Found initrd image: /boot/initrd.img-5.4.0-51-generic
Found linux image: /boot/vmlinuz-5.4.0-42-generic
Found initrd image: /boot/initrd.img-5.4.0-42-generic
Found linux image: /boot/vmlinuz-5.4.0-52-generic
Found initrd image: /boot/initrd.img-5.4.0-52-generic
Found linux image: /boot/vmlinuz-5.4.0-51-generic
Found initrd image: /boot/initrd.img-5.4.0-51-generic
Found linux image: /boot/vmlinuz-5.4.0-42-generic
Found initrd image: /boot/initrd.img-5.4.0-42-generic
Found linux image: /boot/vmlinuz-5.4.0-52-generic
Found initrd image: /boot/initrd.img-5.4.0-52-generic
Found linux image: /boot/vmlinuz-5.4.0-51-generic
Found initrd image: /boot/initrd.img-5.4.0-51-generic
Found linux image: /boot/vmlinuz-5.4.0-42-generic
Found initrd image: /boot/initrd.img-5.4.0-42-generic
Found memtest86+ image: /BOOT/ubuntu_69vvbr@/memtest86+.elf
Found memtest86+ image: /BOOT/ubuntu_69vvbr@/memtest86+.bin
device-mapper: reload ioctl on osprober-linux-sda7 failed: Device or resource busy
Command failed.
done
The result in /boot/grub/grub.cfg include lines like this:
"module2 /BOOT/ubuntu_69vvbr@/vmlinuz-5.4.0-52-generic
placeholder root=ZFS=/ROOT/ubuntu_69vvbr ro quiet splash"
The "root=ZFS=/ROOT/ubuntu_69vvbr" should be
"root=ZFS=rpool/ROOT/ubuntu_69vvbr"
==============================
How to reproduce the problem
From scratch install ubuntu 20.04.1 desktop, select ZFS as root option, then install xen-hypervisor-4.11-amd64.
It will fail to reboot because the grub root=ZFS=/ROOT/ argument is wrong.
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