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#1 2016-09-05 21:15:00

genericaf
Member
Registered: 2016-03-25
Posts: 17

Extended partition issue

I have managed to install Arch Linux on my Fujitsu Lifebook AH544 (model AH544/G32) by:
-) creating an installer USB drive using the dd command on another Linux powered machine
-) deleting the UEFI folder from the drive (to force BIOS installation)
-) enabling CSM in the laptop's boot menu
-) partitioning the hard drive (MBR) into 3 primary partitions: 2 of them being ext4 partitions (for "/" with boot flag on and "/home") and one being the swap partition
-) installing Grub as given in the installation guide
and that totally worked.

However, if I try to partition the drive like that:
extended
    logical linux-swap
    logical ext4 "/" boot flag on
    logical ext4 "/home"
primary ntfs
then Grub will not start after installation. It (not Grub) says "no operating system found" or something.

As you might guess I am trying to do a dual boot with Windows (Win 7 - MBR/BIOS installation works).

I am missing something obvious, am I not?

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#2 2016-09-09 14:35:25

Lone_Wolf
Member
From: Netherlands, Europe
Registered: 2005-10-04
Posts: 11,868

Re: Extended partition issue

MBR/BIOS systems have several limitations that could bite you here.
The most likely one is the inability to use any logical drive for booting.


Disliking systemd intensely, but not satisfied with alternatives so focusing on taming systemd.


(A works at time B)  && (time C > time B ) ≠  (A works at time C)

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#3 2016-09-09 14:59:33

Fixxer
Member
From: Poland
Registered: 2011-08-29
Posts: 210

Re: Extended partition issue

Lone_Wolf
Windows - maybe, but I'm not sure, linux - as far as I know never have had issues with booting from logical volume.

genericaf
Post output of bootinfoscript, available on AUR or here:
https://sourceforge.net/projects/bootinfoscript/ .

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#4 2016-09-10 14:21:38

Lone_Wolf
Member
From: Netherlands, Europe
Registered: 2005-10-04
Posts: 11,868

Re: Extended partition issue

Guess i should rephrase a bit for clarity :

Many Bios /MBR systems support booting from primary partitions only .
A typical workaround to allow booting logical partitions : put a bootloader on a primary partition and let the bootloader boot the logical partition.

There are other Bios /MBR limitations, and they alll have 1 thing in common : they affect all OSes .

Last edited by Lone_Wolf (2016-09-10 14:22:20)


Disliking systemd intensely, but not satisfied with alternatives so focusing on taming systemd.


(A works at time B)  && (time C > time B ) ≠  (A works at time C)

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