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No bootable device found - mac-mini (late 2012) and Centos 7

General Discussion
Mathias Körber
2015-11-20
2015-11-29

  • Mathias Körber

    Mathias Körber - 2015-11-20

    I am trying to make my mac-mini dual-boot into Cent-os 7 which not touching my OSX (mavericks atm) install.

    I shrank the OSX install successfully, and installed refind-0.10.0-1 using the OSX install script.

    When the system boots I see refind and it can boot OSX just fine.

    I then tried installing Centos 7 from the DVS, but it failed complaining that grub's core.img would not fit anywhere.

    So I burnd a gparted-live DVD, and used that to move the 3 OSX partions (EFI, Customer, Recovery) by 1MB.
    This works fine, and I can still boot into OSX using refind..

    Then I managed to install Centos7 just fine, but it refuses to boot. Refind shows up and
    has OSX, OSX recover, and a Linux icon (and another X-DVD when teh superdrive is attached)
    But under the Linux icon there is no kernel version mentioned, and when I press FN-F2 twice I
    get am empty booty commandline..

    when I try to boot I get
    no bootable device found - insert one and press any key

    so I boot into the Centos recovery from the DVD
    and I see this

    # chroot /mnt/sysimage
# $ cat sda.fdisk

Disk /dev/sda: 1000.2 GB, 1000204886016 bytes, 1953525168 sectors
Units = sectors of 1 * 512 = 512 bytes
Sector size (logical/physical): 512 bytes / 4096 bytes
I/O size (minimum/optimal): 4096 bytes / 4096 bytes
Disk label type: gpt


#         Start          End    Size  Type            Name
 1         4096       413695    200M  EFI System      EFI system partition
 2       413696    973682687  464.1G  Apple HFS/HFS+  Customer
 3    973682688    974952447    620M  Apple boot      Recovery HD
 4         2048         4095      1M  BIOS boot parti
 5    974952448    975976447    500M  Microsoft basic
 6    975976448   1953523711  466.1G  Linux LVM

# ls -l /boot
/boot:
total 76053
-rw-r--r--. 1 root root   123838 Mar  6  2015 config-3.10.0-229.el7.x86_64
drwxr-xr-x. 2 root root     1024 Nov 19 14:33 efi
drwxr-xr-x. 2 root root     1024 Nov 19 13:52 extlinux
drwxr-xr-x. 2 root root     1024 Nov 19 13:56 grub
drwxr-xr-x. 6 root root     1024 Nov 19 14:14 grub2
-rw-r--r--. 1 root root 43396663 Nov 19 14:11 initramfs-0-rescue-370a7fa47db64872babc09d1d2507463.img
-rw-r--r--. 1 root root 20553545 Nov 19 14:14 initramfs-3.10.0-229.el7.x86_64.img
-rw-r--r--. 1 root root   589844 Nov 19 14:11 initrd-plymouth.img
drwx------. 2 root root    12288 Nov 19 13:37 lost+found
-rw-r--r--. 1 root root   240039 Mar  6  2015 symvers-3.10.0-229.el7.x86_64.gz
-rw-------. 1 root root  2881257 Mar  6  2015 System.map-3.10.0-229.el7.x86_64
-rwxr-xr-x. 1 root root  5029136 Nov 19 14:11 vmlinuz-0-rescue-370a7fa47db64872babc09d1d2507463
-rwxr-xr-x. 1 root root  5029136 Mar  6  2015 vmlinuz-3.10.0-229.el7.x86_64

and here is my EFI partition:

vadeMACumPro2-2:tmp mathias$ cat efi.ls
/mnt/efi:
total 1
drwxr-xr-x. 5 root root 512 Nov 19 12:47 EFI

/mnt/efi/EFI:
total 3
drwxr-xr-x. 4 root root  512 May 27  2013 APPLE
drwxr-xr-x. 6 root root 1536 Nov 19 14:33 BOOT
drwxr-xr-x. 2 root root  512 Nov 16 17:07 tools

/mnt/efi/EFI/APPLE:
total 1
drwxr-xr-x. 2 root root 512 May 27  2013 EXTENSIONS
drwxr-xr-x. 2 root root 512 Jul 23  2013 FIRMWARE

/mnt/efi/EFI/APPLE/EXTENSIONS:
total 15361
-rwxr-xr-x. 1 root root 15729264 Nov 20  2015 Firmware.scap

/mnt/efi/EFI/APPLE/FIRMWARE:
total 8321
-rwxr-xr-x. 1 root root 8520304 Nov 16 14:07 MM61_0106_B0A_LOCKED.scap

/mnt/efi/EFI/BOOT:
total 455
-rwxr-xr-x. 1 root root 176224 Nov 20  2015 bootia32.efi
-rwxr-xr-x. 1 root root 219176 Nov 20  2015 bootx64.efi
drwxr-xr-x. 2 root root   2048 Nov 19 21:08 drivers_x64
drwxr-xr-x. 3 root root  10240 Nov 20  2015 icons
drwxr-xr-x. 3 root root   5120 Nov 19 14:33 icons-backup
drwxr-xr-x. 2 root root   2048 Nov 16 17:07 keys
-rwxr-xr-x. 1 root root  24835 Nov 16 17:07 refind.conf
-rwxr-xr-x. 1 root root  24835 Nov 20  2015 refind.conf-sample

/mnt/efi/EFI/BOOT/drivers_x64:
total 327
-rwxr-xr-x. 1 root root 56136 Nov  8 16:55 btrfs_x64.efi
-rwxr-xr-x. 1 root root 40072 Nov  8 16:55 ext2_x64.efi
-rwxr-xr-x. 1 root root 40456 Nov 20  2015 ext4_x64.efi
-rwxr-xr-x. 1 root root 43688 Nov  8 16:55 hfs_x64.efi
-rwxr-xr-x. 1 root root 39496 Nov  8 16:55 iso9660_x64.efi
-rwxr-xr-x. 1 root root 17992 Sep 17  2012 LICENSE_GPL.txt
-rwxr-xr-x. 1 root root  2094 Jul  1  2014 LICENSE.txt
-rwxr-xr-x. 1 root root 48136 Nov  8 16:55 ntfs_x64.efi
-rwxr-xr-x. 1 root root 43240 Nov  8 16:55 reiserfs_x64.efi

/mnt/efi/EFI/BOOT/icons:
total 430
-rwxr-xr-x. 1 root root  1392 Nov 20  2015 arrow_left.png
-rwxr-xr-x. 1 root root  1346 Nov 20  2015 arrow_right.png
-rwxr-xr-x. 1 root root  9077 Nov 20  2015 boot_linux.png
-rwxr-xr-x. 1 root root  3766 Nov 20  2015 boot_win.png
-rwxr-xr-x. 1 root root  2479 Nov 20  2015 func_about.png
-rwxr-xr-x. 1 root root  1761 Nov 20  2015 func_csr_rotate.png
-rwxr-xr-x. 1 root root  2208 Nov 20  2015 func_exit.png
-rwxr-xr-x. 1 root root  3772 Nov 20  2015 func_firmware.png
-rwxr-xr-x. 1 root root  2602 Nov 20  2015 func_reset.png
-rwxr-xr-x. 1 root root  2760 Nov 20  2015 func_shutdown.png
drwxr-xr-x. 3 root root  1024 Nov 20  2015 licenses
-rwxr-xr-x. 1 root root  5555 Nov 20  2015 os_arch.png
-rwxr-xr-x. 1 root root 15008 Nov 20  2015 os_centos.png
-rwxr-xr-x. 1 root root 13776 Nov 20  2015 os_chakra.png
-rwxr-xr-x. 1 root root 10391 Nov 20  2015 os_chrome.png
-rwxr-xr-x. 1 root root  7229 Nov 20  2015 os_clover.png
-rwxr-xr-x. 1 root root  8480 Nov 20  2015 os_crunchbang.png
-rwxr-xr-x. 1 root root  9377 Nov 20  2015 os_debian.png
-rwxr-xr-x. 1 root root 16482 Nov 20  2015 os_elementary.png
-rwxr-xr-x. 1 root root  8763 Nov 20  2015 os_fedora.png
-rwxr-xr-x. 1 root root  5980 Nov 20  2015 os_freebsd.png
-rwxr-xr-x. 1 root root 11658 Nov 20  2015 os_frugalware.png
-rwxr-xr-x. 1 root root  7549 Nov 20  2015 os_gentoo.png
-rwxr-xr-x. 1 root root  7668 Nov 20  2015 os_gummiboot.png
-rwxr-xr-x. 1 root root  5830 Nov 20  2015 os_haiku.png
-rwxr-xr-x. 1 root root 14399 Nov 20  2015 os_hwtest.png
-rwxr-xr-x. 1 root root 12873 Nov 20  2015 os_kubuntu.png
-rwxr-xr-x. 1 root root  5620 Nov 20  2015 os_legacy.png
-rwxr-xr-x. 1 root root  6246 Nov 20  2015 os_linuxmint.png
-rwxr-xr-x. 1 root root 10097 Nov 20  2015 os_linux.png
-rwxr-xr-x. 1 root root 11232 Nov 20  2015 os_lubuntu.png
-rwxr-xr-x. 1 root root 10574 Nov 20  2015 os_mac.png
-rwxr-xr-x. 1 root root  7783 Nov 20  2015 os_mageia.png
-rwxr-xr-x. 1 root root 12854 Nov 20  2015 os_mandriva.png
-rwxr-xr-x. 1 root root 12379 Nov 20  2015 os_netbsd.png
-rwxr-xr-x. 1 root root 14836 Nov 20  2015 os_network.png
-rwxr-xr-x. 1 root root  6572 Nov 20  2015 os_opensuse.png
-rwxr-xr-x. 1 root root 10041 Nov 20  2015 os_redhat.png
-rwxr-xr-x. 1 root root  7231 Nov 20  2015 os_refind.png
-rwxr-xr-x. 1 root root  8484 Nov 20  2015 os_refit.png
-rwxr-xr-x. 1 root root  9202 Nov 20  2015 os_slackware.png
-rwxr-xr-x. 1 root root  6572 Nov 20  2015 os_suse.png
-rwxr-xr-x. 1 root root 12270 Nov 20  2015 os_ubuntu.png
-rwxr-xr-x. 1 root root 11686 Nov 20  2015 os_unknown.png
-rwxr-xr-x. 1 root root  3872 Nov 20  2015 os_win8.png
-rwxr-xr-x. 1 root root  6565 Nov 20  2015 os_win.png
-rwxr-xr-x. 1 root root 10547 Nov 20  2015 os_xubuntu.png
-rwxr-xr-x. 1 root root  5170 Nov 20  2015 README
-rwxr-xr-x. 1 root root  4507 Nov 20  2015 tool_apple_rescue.png
-rwxr-xr-x. 1 root root  3018 Nov 20  2015 tool_memtest.png
-rwxr-xr-x. 1 root root  1974 Nov 20  2015 tool_mok_tool.png
-rwxr-xr-x. 1 root root  3785 Nov 20  2015 tool_netboot.png
-rwxr-xr-x. 1 root root  3446 Nov 20  2015 tool_part.png
-rwxr-xr-x. 1 root root 13817 Nov 20  2015 tool_rescue.png
-rwxr-xr-x. 1 root root  2010 Nov 20  2015 tool_shell.png
-rwxr-xr-x. 1 root root  4313 Nov 20  2015 tool_windows_rescue.png
-rwxr-xr-x. 1 root root   213 Nov 20  2015 transparent.png
-rwxr-xr-x. 1 root root  1344 Nov 20  2015 vol_external.png
-rwxr-xr-x. 1 root root  1418 Nov 20  2015 vol_internal.png
-rwxr-xr-x. 1 root root  1892 Nov 20  2015 vol_net.png
-rwxr-xr-x. 1 root root  2423 Nov 20  2015 vol_optical.png

/mnt/efi/EFI/BOOT/icons/licenses:
total 50
drwxr-xr-x. 2 root root  1024 Nov 20  2015 Creative Commons Legal Code_files
-rwxr-xr-x. 1 root root 23484 Nov 20  2015 Creative Commons Legal Code.html
-rwxr-xr-x. 1 root root 18092 Nov 20  2015 gpl-2.0.txt
-rwxr-xr-x. 1 root root  7651 Nov 20  2015 lgpl-3.0.txt

/mnt/efi/EFI/BOOT/icons/licenses/Creative Commons Legal Code_files:
total 52
-rwxr-xr-x. 1 root root 34054 Nov 20  2015 cc-logo.jpg
-rwxr-xr-x. 1 root root 13483 Nov 20  2015 deed3.css
-rwxr-xr-x. 1 root root  2315 Nov 20  2015 deed3-print.css
-rwxr-xr-x. 1 root root  1208 Nov 20  2015 errata.js
-rwxr-xr-x. 1 root root   454 Nov 20  2015 unported.png

/mnt/efi/EFI/BOOT/icons-backup:
total 430
-rwxr-xr-x. 1 root root  1392 Nov 19 14:33 arrow_left.png
-rwxr-xr-x. 1 root root  1346 Nov 19 14:33 arrow_right.png
-rwxr-xr-x. 1 root root  9077 Nov 19 14:33 boot_linux.png
-rwxr-xr-x. 1 root root  3766 Nov 19 14:33 boot_win.png
-rwxr-xr-x. 1 root root  2479 Nov 19 14:33 func_about.png
-rwxr-xr-x. 1 root root  1761 Nov 19 14:33 func_csr_rotate.png
-rwxr-xr-x. 1 root root  2208 Nov 19 14:33 func_exit.png
-rwxr-xr-x. 1 root root  3772 Nov 19 14:33 func_firmware.png
-rwxr-xr-x. 1 root root  2602 Nov 19 14:33 func_reset.png
-rwxr-xr-x. 1 root root  2760 Nov 19 14:33 func_shutdown.png
drwxr-xr-x. 3 root root   512 Nov 19 14:33 licenses
-rwxr-xr-x. 1 root root  5555 Nov 19 14:33 os_arch.png
-rwxr-xr-x. 1 root root 15008 Nov 19 14:33 os_centos.png
-rwxr-xr-x. 1 root root 13776 Nov 19 14:33 os_chakra.png
-rwxr-xr-x. 1 root root 10391 Nov 19 14:33 os_chrome.png
-rwxr-xr-x. 1 root root  7229 Nov 19 14:33 os_clover.png
-rwxr-xr-x. 1 root root  8480 Nov 19 14:33 os_crunchbang.png
-rwxr-xr-x. 1 root root  9377 Nov 19 14:33 os_debian.png
-rwxr-xr-x. 1 root root 16482 Nov 19 14:33 os_elementary.png
-rwxr-xr-x. 1 root root  8763 Nov 19 14:33 os_fedora.png
-rwxr-xr-x. 1 root root  5980 Nov 19 14:33 os_freebsd.png
-rwxr-xr-x. 1 root root 11658 Nov 19 14:33 os_frugalware.png
-rwxr-xr-x. 1 root root  7549 Nov 19 14:33 os_gentoo.png
-rwxr-xr-x. 1 root root  7668 Nov 19 14:33 os_gummiboot.png
-rwxr-xr-x. 1 root root  5830 Nov 19 14:33 os_haiku.png
-rwxr-xr-x. 1 root root 14399 Nov 19 14:33 os_hwtest.png
-rwxr-xr-x. 1 root root 12873 Nov 19 14:33 os_kubuntu.png
-rwxr-xr-x. 1 root root  5620 Nov 19 14:33 os_legacy.png
-rwxr-xr-x. 1 root root  6246 Nov 19 14:33 os_linuxmint.png
-rwxr-xr-x. 1 root root 10097 Nov 19 14:33 os_linux.png
-rwxr-xr-x. 1 root root 11232 Nov 19 14:33 os_lubuntu.png
-rwxr-xr-x. 1 root root 10574 Nov 19 14:33 os_mac.png
-rwxr-xr-x. 1 root root  7783 Nov 19 14:33 os_mageia.png
-rwxr-xr-x. 1 root root 12854 Nov 19 14:33 os_mandriva.png
-rwxr-xr-x. 1 root root 12379 Nov 19 14:33 os_netbsd.png
-rwxr-xr-x. 1 root root 14836 Nov 19 14:33 os_network.png
-rwxr-xr-x. 1 root root  6572 Nov 19 14:33 os_opensuse.png
-rwxr-xr-x. 1 root root 10041 Nov 19 14:33 os_redhat.png
-rwxr-xr-x. 1 root root  7231 Nov 19 14:33 os_refind.png
-rwxr-xr-x. 1 root root  8484 Nov 19 14:33 os_refit.png
-rwxr-xr-x. 1 root root  9202 Nov 19 14:33 os_slackware.png
-rwxr-xr-x. 1 root root  6572 Nov 19 14:33 os_suse.png
-rwxr-xr-x. 1 root root 12270 Nov 19 14:33 os_ubuntu.png
-rwxr-xr-x. 1 root root 11686 Nov 19 14:33 os_unknown.png
-rwxr-xr-x. 1 root root  3872 Nov 19 14:33 os_win8.png
-rwxr-xr-x. 1 root root  6565 Nov 19 14:33 os_win.png
-rwxr-xr-x. 1 root root 10547 Nov 19 14:33 os_xubuntu.png
-rwxr-xr-x. 1 root root  5170 Nov 19 14:33 README
-rwxr-xr-x. 1 root root  4507 Nov 19 14:33 tool_apple_rescue.png
-rwxr-xr-x. 1 root root  3018 Nov 19 14:33 tool_memtest.png
-rwxr-xr-x. 1 root root  1974 Nov 19 14:33 tool_mok_tool.png
-rwxr-xr-x. 1 root root  3785 Nov 19 14:33 tool_netboot.png
-rwxr-xr-x. 1 root root  3446 Nov 19 14:33 tool_part.png
-rwxr-xr-x. 1 root root 13817 Nov 19 14:33 tool_rescue.png
-rwxr-xr-x. 1 root root  2010 Nov 19 14:33 tool_shell.png
-rwxr-xr-x. 1 root root  4313 Nov 19 14:33 tool_windows_rescue.png
-rwxr-xr-x. 1 root root   213 Nov 19 14:33 transparent.png
-rwxr-xr-x. 1 root root  1344 Nov 19 14:33 vol_external.png
-rwxr-xr-x. 1 root root  1418 Nov 19 14:33 vol_internal.png
-rwxr-xr-x. 1 root root  1892 Nov 19 14:33 vol_net.png
-rwxr-xr-x. 1 root root  2423 Nov 19 14:33 vol_optical.png

/mnt/efi/EFI/BOOT/icons-backup/licenses:
total 49
drwxr-xr-x. 2 root root   512 Nov 19 14:33 Creative Commons Legal Code_files
-rwxr-xr-x. 1 root root 23484 Nov 19 14:33 Creative Commons Legal Code.html
-rwxr-xr-x. 1 root root 18092 Nov 19 14:33 gpl-2.0.txt
-rwxr-xr-x. 1 root root  7651 Nov 19 14:33 lgpl-3.0.txt

/mnt/efi/EFI/BOOT/icons-backup/licenses/Creative Commons Legal Code_files:
total 52
-rwxr-xr-x. 1 root root 34054 Nov 19 14:33 cc-logo.jpg
-rwxr-xr-x. 1 root root 13483 Nov 19 14:33 deed3.css
-rwxr-xr-x. 1 root root  2315 Nov 19 14:33 deed3-print.css
-rwxr-xr-x. 1 root root  1208 Nov 19 14:33 errata.js
-rwxr-xr-x. 1 root root   454 Nov 19 14:33 unported.png

/mnt/efi/EFI/BOOT/keys:
total 14
-rwxr-xr-x. 1 root root  767 Nov 20  2015 altlinux.cer
-rwxr-xr-x. 1 root root 1080 Nov 20  2015 canonical-uefi-ca.der
-rwxr-xr-x. 1 root root  876 Nov 20  2015 fedora-ca.cer
-rwxr-xr-x. 1 root root 1516 Nov 20  2015 microsoft-kekca-public.der
-rwxr-xr-x. 1 root root 1499 Nov 20  2015 microsoft-pca-public.der
-rwxr-xr-x. 1 root root 1556 Nov 20  2015 microsoft-uefica-public.der
-rwxr-xr-x. 1 root root 1656 Nov 20  2015 openSUSE-UEFI-CA-Certificate.cer
-rwxr-xr-x. 1 root root  831 Nov 20  2015 refind.cer
-rwxr-xr-x. 1 root root 1769 Nov 20  2015 SLES-UEFI-CA-Certificate.cer

/mnt/efi/EFI/tools:
total 47
-rwxr-xr-x. 1 root root 47752 Nov 20  2015 gptsync_x64.efi

    $ cat mounts
/dev/mapper/centos_n2--vmhost-root on / type xfs (rw,relatime,seclabel,attr2,inode64,noquota)
/dev/sda5 on /boot type ext4 (rw,relatime,seclabel,stripe=4,data=ordered)
devtmpfs on /dev type devtmpfs (rw,nosuid,seclabel,size=8151740k,nr_inodes=2037935,mode=755)
devpts on /dev/pts type devpts (rw,relatime,seclabel,gid=5,mode=620,ptmxmode=000)
tmpfs on /dev/shm type tmpfs (rw,relatime,seclabel)
/dev/mapper/centos_n2--vmhost-home on /home type xfs (rw,relatime,seclabel,attr2,inode64,noquota)
proc on /proc type proc (rw,relatime)
tmpfs on /run type tmpfs (rw,nosuid,nodev,seclabel,mode=755)
sysfs on /sys type sysfs (rw,relatime,seclabel)
selinuxfs on /sys/fs/selinux type selinuxfs (rw,relatime)
/dev/sda1 on /mnt/efi type vfat (rw,relatime,fmask=0022,dmask=0022,codepage=437,iocharset=ascii,shortname=mixed,errors=remount-ro)

    What else do I need to do to make this work?

    any help is appreciated

     

  • Roderick W. Smith

    Roderick W. Smith - 2015-11-20

    Try removing all the filesystem driver files from /mnt/efi/EFI/BOOT/drivers_x64 except for the ext4_x64.efi file. You currently have all the filesystem drivers installed simultaneously, and that sometimes creates problems, particularly on Macs.

     

  • Mathias Körber

    Mathias Körber - 2015-11-24

    Thanks. I tried that but i still get the same 'No bootable device' message..

     

  • Roderick W. Smith

    Roderick W. Smith - 2015-11-24

    I just noticed a detail in your description that makes me think the Linux entry you're trying to boot is for a BIOS-mode boot loader. That will work if and only if you've got a hybrid MBR, as described here. If you don't have a hybrid MBR, you could try creating one and see if that helps.

    Alternatively, do you see any entries that refer to your kernel file(s) by name (as in vmlinuz-3.10.0-229.el7.x86_64)? Assuming you have a driver for the filesystem you used on /boot, you should see such an entry, and it should work; however, you may need to add a root=/dev/mapper/centos_n2--vmhost-root kernel option by hitting F2 or Insert twice to launch it, at least until you can run mkrlconf in Linux to build a /boot/refind_linux.conf file. If you don't see such an entry, it might be worth trying to diagnose why it's not showing up. To that end, what filesystem is in use on /boot? Btrfs might require extra options to work correctly. You could try installing an EFI shell to see if you can locate the kernel from it, which would help with such reconfiguration.

     

  • Mathias Körber

    Mathias Körber - 2015-11-25

    I use ext4 on /boot, because Centos7 by default is xfs which i suspected wasn't supported.

    and no, I have nothing referring to a linux kernel by name. when I pres F2 twice I get just an empty editor without anything else

     

  • Mathias Körber

    Mathias Körber - 2015-11-25

    what would the complete rub commandline look like?

     

  • Mathias Körber

    Mathias Körber - 2015-11-25

    On a hunch, I booted back into gparted and named /dev/sda5 '/boot' and gave it the label 'boot' and now it works

     

  • Roderick W. Smith

    Roderick W. Smith - 2015-11-25

    That's strange. Are you seeing the same Linux icon as before, or has that changed to a CentOS or Fedora icon? When you boot to CentOS, is there a directory called /sys/firmware/efi? Also, could you post the output of cat /proc/cmdline? I'm just trying to understand what's going on, since renaming that volume should not have made any difference.

     

  • Mathias Körber

    Mathias Körber - 2015-11-26

    I see the same Linux icon..

    [root@os-ctrl sys]# cd firmware
    [root@os-ctrl firmware]# ls
    acpi dmi memmap
    [root@os-ctrl firmware]#

    BOOT_IMAGE=/vmlinuz-3.10.0-229.el7.x86_64 root=/dev/mapper/centos_n2--vmhost-root ro vconsole.font=latarcyrheb-sun16 rd.lvm.lv=centos_n2-vmhost/swap vconsole.keymap=us rd.lvm.lv=centos_n2-vmhost/root rhgb quiet LANG=en_US.UTF-8

     

  • Roderick W. Smith

    Roderick W. Smith - 2015-11-29

    You're almost certainly booting in BIOS mode, not in EFI mode. I still don't know why your kernels aren't showing up as options in the rEFInd menu -- but if you're happy booting the way you are booting, I'd say it's best to leave it where it is.

     

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