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Old 11-01-2016, 09:29 AM   #1
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Distribution: Fedora, Mac OS, Gentoo
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Unhappy Dualboot Fedora and Freebsd with Grub2

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

/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"
Old 11-01-2016, 10:49 AM   #2
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I had to copy all from "/usr/lib/grub/x86_64-efi/" to "/boot/efi/EFI/fedora/x86_64-efi/". Just because files ufs2.mod and bsd.mod require lots of other *.mod files. The solution is pretty rough, but this works!

Also /etc/grub.d/40_custom looks like:
menuentry "FreeBSD" {
   insmod ufs2
   insmod bsd
   set root=(hd0,gpt6)
   chainloader /boot/boot1.efi
Old 11-04-2016, 07:55 AM   #3
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Distribution: openSuSE Tumbleweed-KDE, Mint 18.3+19.3, MX-18, Mandrake
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Just an additional aside: When I some time ago tried to boot FreeBSD directly with grub2 I learned that "kfreebsd" was not supported(?) anymore and grub could not use ufs2. See also
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