Public bug reported: I'm running Ubuntu 14.04.1 LTS 64 bits, kernel 3.13.0-37-generic. There is a dual boot with Mac OS X Yosemite.
# mount -v -t hfsplus -o ro /dev/sda2 /mnt mount: wrong fs type, bad option, bad superblock on /dev/sda2, missing codepage or helper program, or other error In some cases useful info is found in syslog - try dmesg | tail or so # dmesg | tail [77480.829918] hfsplus: invalid secondary volume header [77480.829930] hfsplus: unable to find HFS+ superblock # gdisk -l /dev/sda GPT fdisk (gdisk) version 0.8.8 Partition table scan: MBR: hybrid BSD: not present APM: not present GPT: present Found valid GPT with hybrid MBR; using GPT. Disk /dev/sda: 976773168 sectors, 465.8 GiB Logical sector size: 512 bytes Disk identifier (GUID): C17BBA22-3552-480A-99BF-8316F0B3FA47 Partition table holds up to 128 entries First usable sector is 34, last usable sector is 976773134 Partitions will be aligned on 8-sector boundaries Total free space is 21 sectors (10.5 KiB) Number Start (sector) End (sector) Size Code Name 1 40 409639 200.0 MiB EF00 EFI System Partition 2 409640 94509279 44.9 GiB AF05 Mac OS X 3 94509280 95778815 619.9 MiB AB00 Recovery HD 4 95778816 95780863 1024.0 KiB EF02 Grub 5 95780864 191148031 45.5 GiB 8E00 6 191148032 976773119 374.6 GiB 8E00 LVM ** Affects: hfsplus (Ubuntu) Importance: Undecided Status: New -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1386493 Title: Can't mount HFS+ partition To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/hfsplus/+bug/1386493/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs