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How can i dual-boot FreeBSD and PC-BSD — with GRUB2 in MBR?
The 2019 Stack Overflow Developer Survey Results Are InHow do I add PC BSD / FreeBSD to Grub 2 boot loader?How to uninstall RHEL from a dual-boot system?How do you dual boot Debian and FreeBSD using GRUB2?How to create MBR partition /dev/ nodes FreeBSD for mountingHow to dual boot PC-BSD 10.3 (with zfs file system) and debian 7 (crunchbang) using grub2 boot loader in MBR?OracleSolaris 11.2 and dual boot with Linuxdual boot problems windows 10 and debian jessieUnable to dual boot FreeBSD alongside Arch Linux with Grub2Dual Boot - fedora 26 and Ubuntu 16LTSDual boot Kali and Mint. Want to use Grub of Mint
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I have a computer with several operating-systems installed on different partitions:
- FreeBSD
- PC-BSD
- Solaris
- Extended Partition
- / -partition for Linux-Mint
- Swap for Linux-Mint
- /home for Linux-Mint
- / -partition (and everything) for Linux CentOS
My main OS is Linux-Mint, an Ubuntu derivitive.
I have GRUB2 installed in MBR, and it (GRUB) uses data from the Linux-Mint installation (/boot/grub etc.).
FreeBSD and PC-BSD each has their own 2nd stage boot-loader in their partition.
Solaris has it's own GRUB-installation in it's partition (which act as a 2nd stage boot-loader, enabling me to select between different Solaris-kernels).
Linux-Mint and CentOS are booted by the GRUB in MBR.
+++
My problem is FreeBSD and PC-BSD -- they just won't play nice with eachother! Even though I've specified different root-partitions etc. in the GRUB-entries for the two BSD-installation; the same one (either FreeBSD or PC-BSD) is booted, no matter if I selected FreeBSD or PC-BSD from the GRUB-menu.
Booting *BSD appears to be a three stage process: The MBR-loader (1st stage), loads a 2nd stage in the BSD-partitions, which finally loads the actual kernel (3rd stage).
Finally lowering myself to RTFM about booting in *BSD, I discovered the following tidbit about the 2nd stage BSD-bootloader (which has been installed in both of my BSD-partitions):
- If no BSD-partition is marked as the active one (the bootable) in the partition-table, then the loader will commence 3rd stage loading of the BSD-kernel loacated in the 1st BSD-partition on the disk -- no matter from which BSD-partition the 2nd stage was loaded. In my case, it'll always load FreeBSD (since it's first).
- If on the other hand a BSD-partition is marked as active (bootable), this will be the BSD-kernel that will be loaded as 3rd stage. In my case, I'll either always get FreeBSD or always get PC-BSD.
Surely there must be some way around this?! Perhaps somehow skipping the 2nd stage, and let GRUB load the 3rd stage kernel directly -- and then different kernels depending on my choice... Or perhaps some special arguments or configurations for the 2nd stage -- or maybe an alternative 2nd stage loader? Has someone here come across a similar problem and solved it?
PS: The installation of GRUB in the MBR, overwrote the 1st stage boot-loader installed by FreeBSD (and PC-BSD). I howver doubt using the FreeBSD 1st stage would've solved my problem, since the problem is (AFAIK) the 2nd stage loader.
boot freebsd grub2 dual-boot grub
asked Oct 9 '14 at 15:28
Baard KopperudBaard Kopperud
4,50342845
bumped to the homepage by Community♦ 2 days ago
This question has answers that may be good or bad; the system has marked it active so that they can be reviewed.
add a comment |
I have a computer with several operating-systems installed on different partitions:
- FreeBSD
- PC-BSD
- Solaris
- Extended Partition
- / -partition for Linux-Mint
- Swap for Linux-Mint
- /home for Linux-Mint
- / -partition (and everything) for Linux CentOS
My main OS is Linux-Mint, an Ubuntu derivitive.
I have GRUB2 installed in MBR, and it (GRUB) uses data from the Linux-Mint installation (/boot/grub etc.).
FreeBSD and PC-BSD each has their own 2nd stage boot-loader in their partition.
Solaris has it's own GRUB-installation in it's partition (which act as a 2nd stage boot-loader, enabling me to select between different Solaris-kernels).
Linux-Mint and CentOS are booted by the GRUB in MBR.
+++
My problem is FreeBSD and PC-BSD -- they just won't play nice with eachother! Even though I've specified different root-partitions etc. in the GRUB-entries for the two BSD-installation; the same one (either FreeBSD or PC-BSD) is booted, no matter if I selected FreeBSD or PC-BSD from the GRUB-menu.
Booting *BSD appears to be a three stage process: The MBR-loader (1st stage), loads a 2nd stage in the BSD-partitions, which finally loads the actual kernel (3rd stage).
Finally lowering myself to RTFM about booting in *BSD, I discovered the following tidbit about the 2nd stage BSD-bootloader (which has been installed in both of my BSD-partitions):
- If no BSD-partition is marked as the active one (the bootable) in the partition-table, then the loader will commence 3rd stage loading of the BSD-kernel loacated in the 1st BSD-partition on the disk -- no matter from which BSD-partition the 2nd stage was loaded. In my case, it'll always load FreeBSD (since it's first).
- If on the other hand a BSD-partition is marked as active (bootable), this will be the BSD-kernel that will be loaded as 3rd stage. In my case, I'll either always get FreeBSD or always get PC-BSD.
Surely there must be some way around this?! Perhaps somehow skipping the 2nd stage, and let GRUB load the 3rd stage kernel directly -- and then different kernels depending on my choice... Or perhaps some special arguments or configurations for the 2nd stage -- or maybe an alternative 2nd stage loader? Has someone here come across a similar problem and solved it?
PS: The installation of GRUB in the MBR, overwrote the 1st stage boot-loader installed by FreeBSD (and PC-BSD). I howver doubt using the FreeBSD 1st stage would've solved my problem, since the problem is (AFAIK) the 2nd stage loader.
boot freebsd grub2 dual-boot grub
asked Oct 9 '14 at 15:28
Baard KopperudBaard Kopperud
4,50342845
bumped to the homepage by Community♦ 2 days ago
This question has answers that may be good or bad; the system has marked it active so that they can be reviewed.
add a comment |
I have a computer with several operating-systems installed on different partitions:
- FreeBSD
- PC-BSD
- Solaris
- Extended Partition
- / -partition for Linux-Mint
- Swap for Linux-Mint
- /home for Linux-Mint
- / -partition (and everything) for Linux CentOS
My main OS is Linux-Mint, an Ubuntu derivitive.
I have GRUB2 installed in MBR, and it (GRUB) uses data from the Linux-Mint installation (/boot/grub etc.).
FreeBSD and PC-BSD each has their own 2nd stage boot-loader in their partition.
Solaris has it's own GRUB-installation in it's partition (which act as a 2nd stage boot-loader, enabling me to select between different Solaris-kernels).
Linux-Mint and CentOS are booted by the GRUB in MBR.
+++
My problem is FreeBSD and PC-BSD -- they just won't play nice with eachother! Even though I've specified different root-partitions etc. in the GRUB-entries for the two BSD-installation; the same one (either FreeBSD or PC-BSD) is booted, no matter if I selected FreeBSD or PC-BSD from the GRUB-menu.
Booting *BSD appears to be a three stage process: The MBR-loader (1st stage), loads a 2nd stage in the BSD-partitions, which finally loads the actual kernel (3rd stage).
Finally lowering myself to RTFM about booting in *BSD, I discovered the following tidbit about the 2nd stage BSD-bootloader (which has been installed in both of my BSD-partitions):
- If no BSD-partition is marked as the active one (the bootable) in the partition-table, then the loader will commence 3rd stage loading of the BSD-kernel loacated in the 1st BSD-partition on the disk -- no matter from which BSD-partition the 2nd stage was loaded. In my case, it'll always load FreeBSD (since it's first).
- If on the other hand a BSD-partition is marked as active (bootable), this will be the BSD-kernel that will be loaded as 3rd stage. In my case, I'll either always get FreeBSD or always get PC-BSD.
Surely there must be some way around this?! Perhaps somehow skipping the 2nd stage, and let GRUB load the 3rd stage kernel directly -- and then different kernels depending on my choice... Or perhaps some special arguments or configurations for the 2nd stage -- or maybe an alternative 2nd stage loader? Has someone here come across a similar problem and solved it?
PS: The installation of GRUB in the MBR, overwrote the 1st stage boot-loader installed by FreeBSD (and PC-BSD). I howver doubt using the FreeBSD 1st stage would've solved my problem, since the problem is (AFAIK) the 2nd stage loader.
boot freebsd grub2 dual-boot grub
asked Oct 9 '14 at 15:28
Baard KopperudBaard Kopperud
4,50342845
I have a computer with several operating-systems installed on different partitions:
- FreeBSD
- PC-BSD
- Solaris
- Extended Partition
- / -partition for Linux-Mint
- Swap for Linux-Mint
- /home for Linux-Mint
- / -partition (and everything) for Linux CentOS
My main OS is Linux-Mint, an Ubuntu derivitive.
I have GRUB2 installed in MBR, and it (GRUB) uses data from the Linux-Mint installation (/boot/grub etc.).
FreeBSD and PC-BSD each has their own 2nd stage boot-loader in their partition.
Solaris has it's own GRUB-installation in it's partition (which act as a 2nd stage boot-loader, enabling me to select between different Solaris-kernels).
Linux-Mint and CentOS are booted by the GRUB in MBR.
+++
My problem is FreeBSD and PC-BSD -- they just won't play nice with eachother! Even though I've specified different root-partitions etc. in the GRUB-entries for the two BSD-installation; the same one (either FreeBSD or PC-BSD) is booted, no matter if I selected FreeBSD or PC-BSD from the GRUB-menu.
Booting *BSD appears to be a three stage process: The MBR-loader (1st stage), loads a 2nd stage in the BSD-partitions, which finally loads the actual kernel (3rd stage).
Finally lowering myself to RTFM about booting in *BSD, I discovered the following tidbit about the 2nd stage BSD-bootloader (which has been installed in both of my BSD-partitions):
- If no BSD-partition is marked as the active one (the bootable) in the partition-table, then the loader will commence 3rd stage loading of the BSD-kernel loacated in the 1st BSD-partition on the disk -- no matter from which BSD-partition the 2nd stage was loaded. In my case, it'll always load FreeBSD (since it's first).
- If on the other hand a BSD-partition is marked as active (bootable), this will be the BSD-kernel that will be loaded as 3rd stage. In my case, I'll either always get FreeBSD or always get PC-BSD.
Surely there must be some way around this?! Perhaps somehow skipping the 2nd stage, and let GRUB load the 3rd stage kernel directly -- and then different kernels depending on my choice... Or perhaps some special arguments or configurations for the 2nd stage -- or maybe an alternative 2nd stage loader? Has someone here come across a similar problem and solved it?
PS: The installation of GRUB in the MBR, overwrote the 1st stage boot-loader installed by FreeBSD (and PC-BSD). I howver doubt using the FreeBSD 1st stage would've solved my problem, since the problem is (AFAIK) the 2nd stage loader.
boot freebsd grub2 dual-boot grub
boot freebsd grub2 dual-boot grub
asked Oct 9 '14 at 15:28
Baard KopperudBaard Kopperud
4,50342845
asked Oct 9 '14 at 15:28
Baard KopperudBaard Kopperud
4,50342845
asked Oct 9 '14 at 15:28
Baard KopperudBaard Kopperud
4,50342845
asked Oct 9 '14 at 15:28
Baard KopperudBaard Kopperud
4,50342845
asked Oct 9 '14 at 15:28
Baard KopperudBaard Kopperud
4,50342845
4,50342845
bumped to the homepage by Community♦ 2 days ago
This question has answers that may be good or bad; the system has marked it active so that they can be reviewed.
bumped to the homepage by Community♦ 2 days ago
This question has answers that may be good or bad; the system has marked it active so that they can be reviewed.
add a comment |
add a comment |
1 Answer
1
active
oldest
votes
First, I would not use MBR, because you have there 4 OS's and that will not go far. You need to have the /boot partition as primary and not extended. So you either throw out the Solaris installation, or the Linux one.
Booting into FreeBSD (or PC-BSD... whatever, makes no difference) with GRUB2 is easy. You just define your "set root=..." and then you say "kfreebsd /boot/loader" and there you go.
For your type, I would use GUID/GPT partition table, there you can also split all partitions up into it, you do not need to have extra BSD slices then.
answered Oct 11 '14 at 19:29
Lars SchotteLars Schotte
391
add a comment |
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1 Answer
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First, I would not use MBR, because you have there 4 OS's and that will not go far. You need to have the /boot partition as primary and not extended. So you either throw out the Solaris installation, or the Linux one.
Booting into FreeBSD (or PC-BSD... whatever, makes no difference) with GRUB2 is easy. You just define your "set root=..." and then you say "kfreebsd /boot/loader" and there you go.
For your type, I would use GUID/GPT partition table, there you can also split all partitions up into it, you do not need to have extra BSD slices then.
answered Oct 11 '14 at 19:29
Lars SchotteLars Schotte
391
add a comment |
First, I would not use MBR, because you have there 4 OS's and that will not go far. You need to have the /boot partition as primary and not extended. So you either throw out the Solaris installation, or the Linux one.
Booting into FreeBSD (or PC-BSD... whatever, makes no difference) with GRUB2 is easy. You just define your "set root=..." and then you say "kfreebsd /boot/loader" and there you go.
For your type, I would use GUID/GPT partition table, there you can also split all partitions up into it, you do not need to have extra BSD slices then.
answered Oct 11 '14 at 19:29
Lars SchotteLars Schotte
391
add a comment |
First, I would not use MBR, because you have there 4 OS's and that will not go far. You need to have the /boot partition as primary and not extended. So you either throw out the Solaris installation, or the Linux one.
Booting into FreeBSD (or PC-BSD... whatever, makes no difference) with GRUB2 is easy. You just define your "set root=..." and then you say "kfreebsd /boot/loader" and there you go.
For your type, I would use GUID/GPT partition table, there you can also split all partitions up into it, you do not need to have extra BSD slices then.
answered Oct 11 '14 at 19:29
Lars SchotteLars Schotte
391
First, I would not use MBR, because you have there 4 OS's and that will not go far. You need to have the /boot partition as primary and not extended. So you either throw out the Solaris installation, or the Linux one.
Booting into FreeBSD (or PC-BSD... whatever, makes no difference) with GRUB2 is easy. You just define your "set root=..." and then you say "kfreebsd /boot/loader" and there you go.
For your type, I would use GUID/GPT partition table, there you can also split all partitions up into it, you do not need to have extra BSD slices then.
answered Oct 11 '14 at 19:29
Lars SchotteLars Schotte
391
answered Oct 11 '14 at 19:29
Lars SchotteLars Schotte
391
answered Oct 11 '14 at 19:29
Lars SchotteLars Schotte
391
answered Oct 11 '14 at 19:29
Lars SchotteLars Schotte
391
391
add a comment |
add a comment |
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-boot, dual-boot, freebsd, grub, grub2
