I recently downloaded and installed rEFIt and Ubuntu 12.04 on my macbook pro 6,2. I did this in the following order:
1. installed refit, rebooted to affirm it boots to refit.
2. downloaded Ubuntu (verified md5) and burned iso to DVD.
3. partitioned 60 GB of free space in disk utility
4. inserted DVD, rebooted, from refit boot screen booted to Ubuntu install DVD.
5. Selected "try Ubuntu", booted to ubunto, used gparted to create 4 GB of "swap" from unallocated space and the rest (~56GB) "ext4". apply changes
6. Started Install from desktop shortcut.
7. when asked to "dual boot", "overwrite", "my own thing", I selected my own thing. Selected the ext4 partition (56 GB) as the location of the install and location of the bootloader install. Set the mount point of the partiton as "/". Clicked "install now". It finished installing, i rebooted and once at the refit screen I went the the refit partition tool and fixed my partition tables that no longer matched.
Here's where it falls apart. When I boot to linux from refit it goes to a grayed out picture of the linux penguin...forever. Are my partition maps still wrong? Do I need to create a hybrid MBR? (google) Anyway, partition inspector gives me the following:
*** Report for internal hard disk ***
Current GPT partition table:
# Start LBA End LBA Type
1 40 409639 EFI System (FAT)
2 409640 855138647 Mac OS X HFS+
3 855138648 856408183 Mac OS X Boot
4 856410112 864602111 Linux Swap
5 864602112 976773119 Basic Data
Current MBR partition table:
# A Start LBA End LBA Type
1 1 409639 ee EFI Protective
2 * 409640 855138647 af Mac OS X HFS+
3 855138648 856408183 ab Mac OS X Boot
4 856410112 864602111 82 Linux swap / Solaris
MBR contents:
Boot Code: Unknown, but bootable
Partition at LBA 40:
Boot Code: None (Non-system disk message)
File System: FAT32
Listed in GPT as partition 1, type EFI System (FAT)
Partition at LBA 409640:
Boot Code: None
File System: HFS Extended (HFS+)
Listed in GPT as partition 2, type Mac OS X HFS+
Listed in MBR as partition 2, type af Mac OS X HFS+, active
Partition at LBA 855138648:
Boot Code: None
File System: HFS Extended (HFS+)
Listed in GPT as partition 3, type Mac OS X Boot
Listed in MBR as partition 3, type ab Mac OS X Boot
Partition at LBA 856410112:
Boot Code: None
File System: Unknown
Listed in GPT as partition 4, type Linux Swap
Listed in MBR as partition 4, type 82 Linux swap / Solaris
Partition at LBA 864602112:
Boot Code: GRUB
File System: ext4
Listed in GPT as partition 5, type Basic Data
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