[Bug 734883] Re: mounting HFS+ volumes fails on large sector devices

[rb.eng]

Just found this bug and I'm impacted with an iPod nano G3. 10.10 seems
to work fine mounting the drive but I can't get my audio (alsa) to play
nice. In 11.04 the audio works quite well but the ipod with hfs+ doesn't
mount.

Current installed kernel: 
Kernel Linux 2.6.38-10-generic (11.04 natty)
iPod plugged in at boot or later gives the following error in a pop-up:

Error mounting: mount: wrong fs type, bad option, bad superblock on /dev/sdc2,
       missing codepage or helper program, or other error
       In some cases useful info is found in syslog - try
       dmesg | tail  or so

dmesg | tail output:
[ 5447.170504] sd 5:0:0:0: [sdc] 950209 4096-byte logical blocks: (3.89 GB/3.62 GiB)
[ 5447.171252] sd 5:0:0:0: [sdc] Assuming drive cache: write through
[ 5447.208171]  sdc: [mac] sdc1 sdc2
[ 5447.216117] sd 5:0:0:0: [sdc] 950209 4096-byte logical blocks: (3.89 GB/3.62 GiB)
[ 5447.216873] sd 5:0:0:0: [sdc] Assuming drive cache: write through
[ 5447.216890] sd 5:0:0:0: [sdc] Attached SCSI removable disk
[ 5447.612115] sd 5:0:0:0: [sdc] Bad block number requested
[ 5447.612190] hfs: unable to find HFS+ superblock
[ 5447.908162] sd 5:0:0:0: [sdc] Bad block number requested
[ 5447.908232] hfs: unable to find HFS+ superblock

The iPod is a 4gb model and Disk utility shows two partitions
/dev/sdc1 of 254 kB (253,952 bytes) of Unknown volume with Apple Partition Map
and
/dev/sdc2 of 3.9GB (3891,793,920 bytes) HFS+ of Apple HFS/HFS+Partition.

At the moment I don't have the time to apply the patch of comment #19 or #36.
Should I apply the patch of comment #36 given I have installed Kernel Linux 2.6.38-10-generic?

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Title:
  mounting HFS+ volumes fails on large sector devices

Status in “linux” package in Ubuntu:
  Incomplete
Status in “util-linux” package in Ubuntu:
  Invalid

Bug description:
  Binary package hint: util-linux

  Natty Alpha 3

  WIth Natty I only tried now to mount my iPod, but it doesn't work. It
  used to work great under Maverick, though.

  Here's what I get from dmesg:

  [  452.340069] hfs: unable to find HFS+ superblock
  [  452.410078] sd 7:0:0:0: [sdb] Bad block number requested
  [  452.410110] hfs: unable to find HFS+ superblock

  And this is the error message from the GUI dialog:

  Unable to mount 8.1 GB Filesystem

  Error mounting: mount: wrong fs type, bad option, bad superblock on /dev/sdb3,
         missing codepage or helper program, or other error
         In some cases useful info is found in syslog - try
         dmesg | tail  or so

  mount:
    Installed: 2.17.2-9.1ubuntu2
    Candidate: 2.17.2-9.1ubuntu2
    Version table:
   *** 2.17.2-9.1ubuntu2 0
          500 http://us.archive.ubuntu.com/ubuntu/ natty/main amd64 Packages
          100 /var/lib/dpkg/status

  ProblemType: Bug
  DistroRelease: Ubuntu 11.04
  Package: mount 2.17.2-9.1ubuntu2
  ProcVersionSignature: Ubuntu 2.6.38-6.34-generic 2.6.38-rc7
  Uname: Linux 2.6.38-6-generic x86_64
  NonfreeKernelModules: nvidia wl
  Architecture: amd64
  Date: Mon Mar 14 10:13:28 2011
  InstallationMedia: Ubuntu 11.04 "Natty Narwhal" - Alpha amd64+mac (20110210)
  ProcEnviron:
   LANGUAGE=en_US:en
   LANG=en_US.UTF-8
   SHELL=/bin/bash
  SourcePackage: util-linux
  UpgradeStatus: Upgraded to natty on 2011-03-08 (5 days ago)

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