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
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https://bugs.launchpad.net/bugs/1386493
Title:
Can't mount HFS+ partition
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