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Thread: Grub can't update kernel list

  1. #1
    Join Date
    Jun 2020
    Beans
    2

    Grub can't update kernel list

    Hi. My first post here. I do have a problem with an Ubuntu 20.04 installation into a ZFS file-system. More exactly the Grub it is getting-me a lot of errors and is unable to update the kernel list, as I do installed the Liquorix one and an updated generic one. Even so I do only have the option to boot the 5.4.0.31-generic and 5.4.0-26-generic kernel at boot time. By default it is booting the 5.4.0.31 one and it is unable to see the 5.4.0.33 and 5.6.0-15.2-liquorix ones.

    Here is the output from sudo update-grub:


    Code:
    Sourcing file `/etc/default/grub'
    Sourcing file `/etc/default/grub.d/init-select.cfg'
    Generating grub configuration file ...
    grub-probe: error: unknown filesystem.
    Found linux image: vmlinuz-5.4.0-26-generic in rpool/ROOT/ubuntu_9aw43l
    Found initrd image: initrd.img-5.4.0-26-generic in rpool/ROOT/ubuntu_9aw43l
    Found linux image: vmlinuz-5.4.0-31-generic in rpool/ROOT/ubuntu_9aw43l
    Found initrd image: initrd.img-5.4.0-31-generic in rpool/ROOT/ubuntu_9aw43l
    Found linux image: vmlinuz-5.4.0-26-generic in rpool/ROOT/ubuntu_9aw43l@autozsys_fkyhna
    Found initrd image: initrd.img-5.4.0-26-generic in rpool/ROOT/ubuntu_9aw43l@autozsys_fkyhna
    Found linux image: vmlinuz-5.4.0-31-generic in rpool/ROOT/ubuntu_9aw43l@autozsys_fkyhna
    Found initrd image: initrd.img-5.4.0-31-generic in rpool/ROOT/ubuntu_9aw43l@autozsys_fkyhna
    cannot open 'bpool/BOOT/ubuntu_9aw43l@autozsys_hvcjor': dataset does not exist
    Warning: didn't find any valid initrd or kernel.
    cannot open 'bpool/BOOT/ubuntu_9aw43l@autozsys_yw8pqu': dataset does not exist
    Warning: didn't find any valid initrd or kernel.
    cannot open 'bpool/BOOT/ubuntu_9aw43l@autozsys_b5yce9': dataset does not exist
    Found linux image: vmlinuz-5.4.0-33-generic in rpool/ROOT/ubuntu_9aw43l@autozsys_b5yce9
    Found initrd image: initrd.img-5.4.0-33-generic in rpool/ROOT/ubuntu_9aw43l@autozsys_b5yce9
    cannot open 'bpool/BOOT/ubuntu_9aw43l@autozsys_ls23ws': dataset does not exist
    Found linux image: vmlinuz-5.4.0-33-generic in rpool/ROOT/ubuntu_9aw43l@autozsys_ls23ws
    Found initrd image: initrd.img-5.4.0-33-generic in rpool/ROOT/ubuntu_9aw43l@autozsys_ls23ws
    cannot open 'bpool/BOOT/ubuntu_9aw43l@autozsys_jt6xdg': dataset does not exist
    Found linux image: vmlinuz-5.4.0-33-generic in rpool/ROOT/ubuntu_9aw43l@autozsys_jt6xdg
    Found initrd image: initrd.img-5.4.0-33-generic in rpool/ROOT/ubuntu_9aw43l@autozsys_jt6xdg
    cannot open 'bpool/BOOT/ubuntu_9aw43l@autozsys_47hg7t': dataset does not exist
    Found linux image: vmlinuz-5.4.0-33-generic in rpool/ROOT/ubuntu_9aw43l@autozsys_47hg7t
    Found initrd image: initrd.img-5.4.0-33-generic in rpool/ROOT/ubuntu_9aw43l@autozsys_47hg7t
    cannot open 'bpool/BOOT/ubuntu_9aw43l@autozsys_lm2v2x': dataset does not exist
    Found linux image: vmlinuz-5.4.0-33-generic in rpool/ROOT/ubuntu_9aw43l@autozsys_lm2v2x
    Found initrd image: initrd.img-5.4.0-33-generic in rpool/ROOT/ubuntu_9aw43l@autozsys_lm2v2x
    cannot open 'bpool/BOOT/ubuntu_9aw43l@autozsys_f59dy1': dataset does not exist
    Found linux image: vmlinuz-5.4.0-33-generic in rpool/ROOT/ubuntu_9aw43l@autozsys_f59dy1
    Found initrd image: initrd.img-5.4.0-33-generic in rpool/ROOT/ubuntu_9aw43l@autozsys_f59dy1
    cannot open 'bpool/BOOT/ubuntu_9aw43l@autozsys_nzppei': dataset does not exist
    Found linux image: vmlinuz-5.4.0-33-generic in rpool/ROOT/ubuntu_9aw43l@autozsys_nzppei
    Found initrd image: initrd.img-5.4.0-33-generic in rpool/ROOT/ubuntu_9aw43l@autozsys_nzppei
    cannot open 'bpool/BOOT/ubuntu_9aw43l@autozsys_0woq01': dataset does not exist
    Found linux image: vmlinuz-5.4.0-33-generic in rpool/ROOT/ubuntu_9aw43l@autozsys_0woq01
    Found initrd image: initrd.img-5.4.0-33-generic in rpool/ROOT/ubuntu_9aw43l@autozsys_0woq01
    cannot open 'bpool/BOOT/ubuntu_9aw43l@autozsys_a2qmnw': dataset does not exist
    Found linux image: vmlinuz-5.4.0-33-generic in rpool/ROOT/ubuntu_9aw43l@autozsys_a2qmnw
    Found initrd image: initrd.img-5.4.0-33-generic in rpool/ROOT/ubuntu_9aw43l@autozsys_a2qmnw
    cannot open 'bpool/BOOT/ubuntu_9aw43l@autozsys_uy0n9x': dataset does not exist
    Found linux image: vmlinuz-5.4.0-33-generic in rpool/ROOT/ubuntu_9aw43l@autozsys_uy0n9x
    Found initrd image: initrd.img-5.4.0-33-generic in rpool/ROOT/ubuntu_9aw43l@autozsys_uy0n9x
    cannot open 'bpool/BOOT/ubuntu_9aw43l@autozsys_atk8xx': dataset does not exist
    Found linux image: vmlinuz-5.4.0-33-generic in rpool/ROOT/ubuntu_9aw43l@autozsys_atk8xx
    Found initrd image: initrd.img-5.4.0-33-generic in rpool/ROOT/ubuntu_9aw43l@autozsys_atk8xx
    cannot open 'bpool/BOOT/ubuntu_9aw43l@autozsys_jgga7q': dataset does not exist
    Found linux image: vmlinuz-5.4.0-33-generic in rpool/ROOT/ubuntu_9aw43l@autozsys_jgga7q
    Found initrd image: initrd.img-5.4.0-33-generic in rpool/ROOT/ubuntu_9aw43l@autozsys_jgga7q
    cannot open 'bpool/BOOT/ubuntu_9aw43l@autozsys_aic6k0': dataset does not exist
    Found linux image: vmlinuz-5.4.0-33-generic in rpool/ROOT/ubuntu_9aw43l@autozsys_aic6k0
    Found initrd image: initrd.img-5.4.0-33-generic in rpool/ROOT/ubuntu_9aw43l@autozsys_aic6k0
    cannot open 'bpool/BOOT/ubuntu_9aw43l@autozsys_wgqsiy': dataset does not exist
    Found linux image: vmlinuz-5.4.0-33-generic in rpool/ROOT/ubuntu_9aw43l@autozsys_wgqsiy
    Found initrd image: initrd.img-5.4.0-33-generic in rpool/ROOT/ubuntu_9aw43l@autozsys_wgqsiy
    cannot open 'bpool/BOOT/ubuntu_9aw43l@autozsys_9okgj8': dataset does not exist
    Found linux image: vmlinuz-5.4.0-33-generic in rpool/ROOT/ubuntu_9aw43l@autozsys_9okgj8
    Found initrd image: initrd.img-5.4.0-33-generic in rpool/ROOT/ubuntu_9aw43l@autozsys_9okgj8
    cannot open 'bpool/BOOT/ubuntu_9aw43l@autozsys_qxauo3': dataset does not exist
    Found linux image: vmlinuz-5.4.0-33-generic in rpool/ROOT/ubuntu_9aw43l@autozsys_qxauo3
    Found initrd image: initrd.img-5.4.0-33-generic in rpool/ROOT/ubuntu_9aw43l@autozsys_qxauo3
    Found linux image: vmlinuz-5.6.0-15.2-liquorix-amd64 in rpool/ROOT/ubuntu_9aw43l@autozsys_qxauo3
    Found initrd image: initrd.img-5.6.0-15.2-liquorix-amd64 in rpool/ROOT/ubuntu_9aw43l@autozsys_qxauo3
    cannot open 'bpool/BOOT/ubuntu_9aw43l@autozsys_peb8un': dataset does not exist
    Found linux image: vmlinuz-5.4.0-33-generic in rpool/ROOT/ubuntu_9aw43l@autozsys_peb8un
    Found initrd image: initrd.img-5.4.0-33-generic in rpool/ROOT/ubuntu_9aw43l@autozsys_peb8un
    Found linux image: vmlinuz-5.6.0-15.2-liquorix-amd64 in rpool/ROOT/ubuntu_9aw43l@autozsys_peb8un
    Found initrd image: initrd.img-5.6.0-15.2-liquorix-amd64 in rpool/ROOT/ubuntu_9aw43l@autozsys_peb8un
    cannot open 'bpool/BOOT/ubuntu_9aw43l@autozsys_wis7l1': dataset does not exist
    Found linux image: vmlinuz-5.4.0-33-generic in rpool/ROOT/ubuntu_9aw43l@autozsys_wis7l1
    Found initrd image: initrd.img-5.4.0-33-generic in rpool/ROOT/ubuntu_9aw43l@autozsys_wis7l1
    Found linux image: vmlinuz-5.6.0-15.2-liquorix-amd64 in rpool/ROOT/ubuntu_9aw43l@autozsys_wis7l1
    Found initrd image: initrd.img-5.6.0-15.2-liquorix-amd64 in rpool/ROOT/ubuntu_9aw43l@autozsys_wis7l1
    cannot open 'bpool/BOOT/ubuntu_9aw43l@autozsys_air3az': dataset does not exist
    Found linux image: vmlinuz-5.4.0-33-generic in rpool/ROOT/ubuntu_9aw43l@autozsys_air3az
    Found initrd image: initrd.img-5.4.0-33-generic in rpool/ROOT/ubuntu_9aw43l@autozsys_air3az
    Found linux image: vmlinuz-5.6.0-15.2-liquorix-amd64 in rpool/ROOT/ubuntu_9aw43l@autozsys_air3az
    Found initrd image: initrd.img-5.6.0-15.2-liquorix-amd64 in rpool/ROOT/ubuntu_9aw43l@autozsys_air3az
    cannot open 'bpool/BOOT/ubuntu_9aw43l@autozsys_rfmd50': dataset does not exist
    Found linux image: vmlinuz-5.4.0-33-generic in rpool/ROOT/ubuntu_9aw43l@autozsys_rfmd50
    Found initrd image: initrd.img-5.4.0-33-generic in rpool/ROOT/ubuntu_9aw43l@autozsys_rfmd50
    Found linux image: vmlinuz-5.6.0-15.2-liquorix-amd64 in rpool/ROOT/ubuntu_9aw43l@autozsys_rfmd50
    Found initrd image: initrd.img-5.6.0-15.2-liquorix-amd64 in rpool/ROOT/ubuntu_9aw43l@autozsys_rfmd50
    cannot open 'bpool/BOOT/ubuntu_9aw43l@autozsys_y9lo4i': dataset does not exist
    Found linux image: vmlinuz-5.4.0-33-generic in rpool/ROOT/ubuntu_9aw43l@autozsys_y9lo4i
    Found initrd image: initrd.img-5.4.0-33-generic in rpool/ROOT/ubuntu_9aw43l@autozsys_y9lo4i
    Found linux image: vmlinuz-5.6.0-15.2-liquorix-amd64 in rpool/ROOT/ubuntu_9aw43l@autozsys_y9lo4i
    Found initrd image: initrd.img-5.6.0-15.2-liquorix-amd64 in rpool/ROOT/ubuntu_9aw43l@autozsys_y9lo4i
    cannot open 'bpool/BOOT/ubuntu_9aw43l@autozsys_0xfkbf': dataset does not exist
    Found linux image: vmlinuz-5.4.0-33-generic in rpool/ROOT/ubuntu_9aw43l@autozsys_0xfkbf
    Found initrd image: initrd.img-5.4.0-33-generic in rpool/ROOT/ubuntu_9aw43l@autozsys_0xfkbf
    Found linux image: vmlinuz-5.6.0-15.2-liquorix-amd64 in rpool/ROOT/ubuntu_9aw43l@autozsys_0xfkbf
    Found initrd image: initrd.img-5.6.0-15.2-liquorix-amd64 in rpool/ROOT/ubuntu_9aw43l@autozsys_0xfkbf
    cannot open 'bpool/BOOT/ubuntu_9aw43l@autozsys_3pjul9': dataset does not exist
    Found linux image: vmlinuz-5.4.0-33-generic in rpool/ROOT/ubuntu_9aw43l@autozsys_3pjul9
    Found initrd image: initrd.img-5.4.0-33-generic in rpool/ROOT/ubuntu_9aw43l@autozsys_3pjul9
    Found linux image: vmlinuz-5.6.0-15.2-liquorix-amd64 in rpool/ROOT/ubuntu_9aw43l@autozsys_3pjul9
    Found initrd image: initrd.img-5.6.0-15.2-liquorix-amd64 in rpool/ROOT/ubuntu_9aw43l@autozsys_3pjul9
    cannot open 'bpool/BOOT/ubuntu_9aw43l@autozsys_d1qzz6': dataset does not exist
    Found linux image: vmlinuz-5.4.0-33-generic in rpool/ROOT/ubuntu_9aw43l@autozsys_d1qzz6
    Found initrd image: initrd.img-5.4.0-33-generic in rpool/ROOT/ubuntu_9aw43l@autozsys_d1qzz6
    Found linux image: vmlinuz-5.6.0-15.2-liquorix-amd64 in rpool/ROOT/ubuntu_9aw43l@autozsys_d1qzz6
    Found initrd image: initrd.img-5.6.0-15.2-liquorix-amd64 in rpool/ROOT/ubuntu_9aw43l@autozsys_d1qzz6
    cannot open 'bpool/BOOT/ubuntu_9aw43l@autozsys_1v1se8': dataset does not exist
    Found linux image: vmlinuz-5.4.0-33-generic in rpool/ROOT/ubuntu_9aw43l@autozsys_1v1se8
    Found initrd image: initrd.img-5.4.0-33-generic in rpool/ROOT/ubuntu_9aw43l@autozsys_1v1se8
    Found linux image: vmlinuz-5.6.0-15.2-liquorix-amd64 in rpool/ROOT/ubuntu_9aw43l@autozsys_1v1se8
    Found initrd image: initrd.img-5.6.0-15.2-liquorix-amd64 in rpool/ROOT/ubuntu_9aw43l@autozsys_1v1se8
    /usr/sbin/grub-probe: error: unknown filesystem.
    device-mapper: reload ioctl on osprober-linux-sda4  failed: Device or resource busy
    Command failed.
    done
    Please help to fix this issue.

  2. #2
    Join Date
    Jun 2006
    Location
    Nux Jam
    Beans
    Hidden!
    Distro
    Ubuntu Development Release

    Re: Grub can't update kernel list

    If you have dual or + installs, then you have a grub as 'master' which need to be reinstalled (or update-grub) to pick-up the other kernel(s)

  3. #3
    Join Date
    Jun 2020
    Beans
    2

    Re: Grub can't update kernel list

    Yes, I do had two Ubuntu installations in two separate hard-disks but deleted one of them and now I do have only one install.

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