F29: Devuan, Debian, openSUSE missing in grub boot menu
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  1. #1
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    F29: Devuan, Debian, openSUSE missing in grub boot menu

    Code:
    # grub2-mkconfig -o /boot/grub2/grub.cfg
    ...
    device-mapper: remove ioctl on osprober-linux-sda11  failed: Device or resource busy
    Command failed.
    device-mapper: remove ioctl on osprober-linux-sda12  failed: Device or resource busy
    Command failed.
    device-mapper: remove ioctl on osprober-linux-sda14  failed: Device or resource busy
    Command failed.
    device-mapper: remove ioctl on osprober-linux-sda18  failed: Device or resource busy
    Command failed.
    ...
    Windows 8 found in /dev/sda1
    openSUSE Leap 42.3 found in /dev/sda11
    Devuan GNU/Linux ascii found in /dev/sda14
    Debian GNU/Linux 9 (stretch) found in /dev/sda18
    done
    Any idea pls ?

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    Re: F29: Devuan, Debian, openSUSE missing in grub boot menu

    I've got a similar problem. Were you able to fix yours?

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    Re: F29: Devuan, Debian, openSUSE missing in grub boot menu

    The new grub is skipping other distributions. I have Manjaro installed on two drives. grub2-mkconfig fails to include them.
    This is s recent problem. It was working fine end February.
    Leslie in Montreal

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    http://forums.fedoraforum.org/showth...40#post1697840

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    Re: F29: Devuan, Debian, openSUSE missing in grub boot menu

    I have 4 other distros in multi-boot. Each run of the grub2-mkconfig produces a different result. It will randomly pick 2 distros to show in the grub menu and hide the other 2.

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    Re: F29: Devuan, Debian, openSUSE missing in grub boot menu

    rEFInd is the better option and it doesn't need updating manually each time you install a new kernel or operating system. Arch based distributions can certainly fail to boot from Fedora's grub (kernel exception errors) so maybe the Fedora developers purposely made it skip them.

  6. #6
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    Re: F29: Devuan, Debian, openSUSE missing in grub boot menu

    rEFInd is the better option and it doesn't need updating manually each time you install a new kernel or operating system. Arch based distributions can certainly fail to boot from Fedora's grub (kernel exception errors) so maybe the Fedora developers purposely made it skip them.
    You apparently didn't read the original post as the OP has a legacy BIOS system. There is no /boot/efi/EFI/fedora in the path.

    Code:
    # grub2-mkconfig -o /boot/grub2/grub.cfg
    In these cases it is best to use config file loading with custom entries in /etc/grub.d/40_custom and disable os-prober. That way no manual updating needs to be done each time you install a new Fedora kernel. When you install a new OS then you would add a new entry in /etc/grub.d/40_custom.
    Last edited by amiga; 16th March 2019 at 06:07 PM.

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