I was using rEFIt to work with Ubuntu with my Mac. After the upgrade to Yosemite I had a problem with rEFIt. I found the following solution on ubuntuforums.org but rEFIt still didn't work:

cd /efi/refit

So I tried to install rEFInd. It "works", or better, at the boot of the Mac I can see the Linux and Apple partition, but if I choose the linux one it doesn't work. The message "No Bootable Device" appears on screen.

I think that the problem is that the Yosemite update has changed the rEFIt table. Indeed, now I have 2 recovery partitions when, before the update, I only had one.

This is what diskutil list shows:

   #:                       TYPE NAME                    SIZE       IDENTIFIER
   0:      GUID_partition_scheme                        *256.1 GB   disk0
   1:                        EFI EFI                     209.7 MB   disk0s1
   2:                  Apple_HFS Macintosh SSD           231.3 GB   disk0s2
   3:                 Apple_Boot Recovery HD             650.0 MB   disk0s3
   4:                  Apple_HFS Recovery HD             650.0 MB   disk0s4
   5: FFFFFFFF-FFFF-FFFF-FFFF-FFFFFFFFFFFF               23.2 GB    disk0s5

Obviously the corrupted partition is the last one.

I have important information in my Ubuntu partition which I do not wish to lose.

What can I do?

  • Are you able to access that Linux partition at all anymore? You say it's "corrupted" but I don't even see it in the list at all. – CommaToast Nov 6 '14 at 16:54
  • @user15877 i can't access to that partition. I could use a live-usb ubuntu and then i mounted the partition. So if i want i can copy my files in an external device. The problem still that i need to recovery the partition because the file that i have inside are important but more important is all the environment that my friend installed, and that i'm absolutely not able to do. – luke88 Nov 7 '14 at 9:24
  • @grgarside i have changed the terminal output image in text. – luke88 Nov 7 '14 at 9:25

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