The upgrade failed, in your logs, you have:
"/etc/kernel/postinst.d/initramfs-tools:
update-initramfs: Generating /boot/initrd.img-5.2.0-15-generic
I: The initramfs will attempt to resume from /dev/sda2
I: (UUID=bf02ddd4-8d65-40d6-ab24-4fc8a5673dc6)
I: Set the RESUME variable to override this.
/etc/kernel/postinst.d/zz-update-grub:
Sourcing file `/etc/default/grub'
Sourcing file `/etc/default/grub.d/init-select.cfg'
Generating grub configuration file ...
Found linux image: /boot/vmlinuz-5.2.0-15-generic
Found initrd image: /boot/initrd.img-5.2.0-15-generic
Found linux image: /boot/vmlinuz-5.0.0-27-generic
Found initrd image: /boot/initrd.img-5.0.0-27-generic
Found linux image: /boot/vmlinuz-5.0.0-25-generic
Found initrd image: /boot/initrd.img-5.0.0-25-generic
cannot open 'This': no such pool
run-parts: /etc/kernel/postinst.d/zz-update-grub exited with return code 1
dpkg: error processing package linux-image-5.2.0-15-generic (--configure):
installed linux-image-5.2.0-15-generic package post-installation script subprocess returned error exit status 1
Processing triggers for dbus (1.12.14-1ubuntu2) ...
Processing triggers for initramfs-tools (0.133ubuntu10) ...
update-initramfs: Generating /boot/initrd.img-5.2.0-15-generic
I: The initramfs will attempt to resume from /dev/sda2
I: (UUID=bf02ddd4-8d65-40d6-ab24-4fc8a5673dc6)
I: Set the RESUME variable to override this.
Processing triggers for libgdk-pixbuf2.0-0:amd64 (2.39.2-3) ...
Processing triggers for rygel (0.38.1-2ubuntu2) ...
Errors were encountered while processing:
zfsutils-linux
zfs-initramfs
friendly-recovery
zfs-zed
grub-pc
linux-image-5.2.0-15-generic
Log ended: 2019-09-09 01:10:12"
See the "cannot open 'This': no such pool" while updating grub. This is why you have kernel 5.0 after it and don't have latest zfs after upgrade.
You mentionned multiple times a "custom" grub script, does it have "This" somewhere? We don't have any "This" in the distribution script.
The upgrade failed, in your logs, you have: postinst. d/initramfs- tools: img-5.2. 0-15-generic 8d65-40d6- ab24-4fc8a5673d c6) postinst. d/zz-update- grub: grub.d/ init-select. cfg' 5.2.0-15- generic img-5.2. 0-15-generic 5.0.0-27- generic img-5.0. 0-27-generic 5.0.0-25- generic img-5.0. 0-25-generic postinst. d/zz-update- grub exited with return code 1 5.2.0-15- generic (--configure): 5.2.0-15- generic package post-installation script subprocess returned error exit status 1 img-5.2. 0-15-generic 8d65-40d6- ab24-4fc8a5673d c6) pixbuf2. 0-0:amd64 (2.39.2-3) ... image-5. 2.0-15- generic
"/etc/kernel/
update-initramfs: Generating /boot/initrd.
I: The initramfs will attempt to resume from /dev/sda2
I: (UUID=bf02ddd4-
I: Set the RESUME variable to override this.
/etc/kernel/
Sourcing file `/etc/default/grub'
Sourcing file `/etc/default/
Generating grub configuration file ...
Found linux image: /boot/vmlinuz-
Found initrd image: /boot/initrd.
Found linux image: /boot/vmlinuz-
Found initrd image: /boot/initrd.
Found linux image: /boot/vmlinuz-
Found initrd image: /boot/initrd.
cannot open 'This': no such pool
run-parts: /etc/kernel/
dpkg: error processing package linux-image-
installed linux-image-
Processing triggers for dbus (1.12.14-1ubuntu2) ...
Processing triggers for initramfs-tools (0.133ubuntu10) ...
update-initramfs: Generating /boot/initrd.
I: The initramfs will attempt to resume from /dev/sda2
I: (UUID=bf02ddd4-
I: Set the RESUME variable to override this.
Processing triggers for libgdk-
Processing triggers for rygel (0.38.1-2ubuntu2) ...
Errors were encountered while processing:
zfsutils-linux
zfs-initramfs
friendly-recovery
zfs-zed
grub-pc
linux-
Log ended: 2019-09-09 01:10:12"
See the "cannot open 'This': no such pool" while updating grub. This is why you have kernel 5.0 after it and don't have latest zfs after upgrade.
You mentionned multiple times a "custom" grub script, does it have "This" somewhere? We don't have any "This" in the distribution script.