[SOLVED] Dualboot Fedora and Freebsd with Grub2

LiFo14 · 11-01-2016, 09:08 AM

Hi guys!

I'm using laptop with UEFI, GRUB (2.02~beta3) and Fedora 24 on it.
Yesterday I allocate space for the installation of FreeBSD. Everything were fine until I have started to add menu entry to GRUB.
And here is my problem. GRUB can not find ufs module (insmod ufs or insmod ufs2), doesn't know "kfreebsd". Also "chainloader" with "+1", "/boot/loader" or "/boot/kernel/kernel".
Renstalling grub2-efi, grub2-efi-modules, shim and os-probe not work

Code:

/dev/sda1: SEC_TYPE="msdos" UUID="F5B3-7A23" TYPE="vfat" PARTLABEL="EFI System Partition" PARTUUID="8e6bd39f-94d9-4b68-bc8c-070a4c93def4"
/dev/sda2: UUID="0dfbfde1-bdda-4bc1-8a1d-db9c2c436dc9" TYPE="ext4" PARTUUID="1d407b71-8916-4e82-822a-1489f6f0630a"
/dev/sda3: UUID="29ffa061-3297-47ec-b9db-030eddb52989" TYPE="swap" PARTUUID="6cf638b6-a49b-4e44-a344-9b82cf4f92d2"
/dev/sda4: UUID="58178c315ad96520" TYPE="ufs" PARTUUID="70ef023d-9fa5-11e6-b160-204747764c07"
/dev/sda5: UUID="612eee3e-93de-4166-bc97-31435205b6c2" TYPE="ext4" PARTLABEL="home" PARTUUID="13953edf-2bc9-40c7-92b7-3eae35529dc8"
/dev/sda6: UUID="5817a49bb3e5be02" TYPE="ufs" PARTUUID="97b612b0-9fa5-11e6-b160-204747764c07"
/dev/sda7: UUID="5817a49d1eb50e13" TYPE="ufs" PARTLABEL="freebsd-home" PARTUUID="a63390f3-9fa5-11e6-b160-204747764c07"
/dev/loop0: UUID="b62418da-bcd7-4495-a832-bb1c31c9deab" TYPE="xfs"
/dev/mapper/docker-8:2-921199-pool: UUID="b62418da-bcd7-4495-a832-bb1c31c9deab" TYPE="xfs"
/dev/sda8: PARTUUID="b0e3412e-9fa5-11e6-b160-204747764c07"

thecarpy · 11-02-2016, 02:10 AM

To get UFS support in grub, you need to use the one that ships with FreeBSD ...

Try this:

# For booting FreeBSD
title My FreeBSD
root (hd0,3)
chainloader +1

Assuming /dev/sda4: UUID="58178c315ad96520" TYPE="ufs" PARTUUID="70ef023d-9fa5-11e6-b160-204747764c07" is where your FreeBSD kernel is.

The (hd0,3) syntax is zero-based, so hd0 is hda/sda, "3" in this case is "4" in sda/hda speak.

Another example:

# For booting FreeBSD
title My FreeBSD
root (hd0,5)
chainloader +1

You can also try:

# For booting FreeBSD
title My FreeBSD
search --fs-uuid --set 97b612b0-9fa5-11e6-b160-204747764c07
chainloader +1

# For booting FreeBSD
title My FreeBSD
search --fs-uuid --set 5817a49bb3e5be02
chainloader +1

Above three assuming /dev/sda6: UUID="5817a49bb3e5be02" TYPE="ufs" PARTUUID="97b612b0-9fa5-11e6-b160-204747764c07" is where your FreeBSD kernel is.

Also, if the above does not work, what does grub say when you try chainloader +1, could you tell us what menu entries you tried and what grub reports for each.

Sorry, but there was not much to go by in your initial post ;-)

FreeBSD, the OS of the gods ... if you have an SSD, get the latest and greatest FreeBSD and watch the IO performance ;-)