[Bug 734883] Re: mounting HFS+ volumes fails on large sector devices
Seth Forshee
seth.forshee at canonical.com
Sat Jul 16 16:28:18 UTC 2011
I found out about the scsi_debug module that allows creating virtual
scsi devices with various sector sizes. I've been able to reproduce the
problems (with some difficulty). I did find manage to find one issue
with my patch, which I didn't expect to actually be the cause of the
apparent memory corruptions, but I've been torturing my new build for
over 12 hours and haven't been able to produce any problems. I've put a
new build up; please test and see whether the crashes are gone with this
build. Previous warnings about data loss still apply. Thanks!
http://people.canonical.com/~sforshee/lp734883/linux-2.6.38-10.46~lp734883v201107160216/
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https://bugs.launchpad.net/bugs/734883
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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