mount.ntfs high CPU usage

[Christopher Forster]

Hi, mount.ntfs is using high CPU usage when copying files from an EXT4 file system.

dmesg | grep EXT4
[ 3.248586] EXT4-fs (sdc1): mounted filesystem without journal. Opts: (null)
[ 15.402816] EXT4-fs (sdc1): re-mounted. Opts: errors=remount-ro

ntfs-3g --version
ntfs-3g 2012.1.15AR.1 external FUSE 28

ProblemType: Bug
DistroRelease: Ubuntu 12.04
Package: ntfs-3g 1:2012.1.15AR.1-1ubuntu1
ProcVersionSignature: Ubuntu 3.2.0-24.39-generic-pae 3.2.16
Uname: Linux 3.2.0-24-generic-pae i686
ApportVersion: 2.0.1-0ubuntu8
Architecture: i386
Date: Tue Jun 19 13:54:08 2012
ExecutablePath: /bin/ntfs-3g
InstallationMedia: Lubuntu 12.04 "Precise Pangolin" - Release i386 (20120423)
ProcEnviron:

SourcePackage: ntfs-3g
UpgradeStatus: No upgrade log present (probably fresh install)

[Christopher Forster (christopherforster)]

Why not implement NTFS-3G as a native kernel module like Tuxera's proprietary NTFS kernel driver?

[chenzero (chenzero)]

Hello,
I also encountered this problem on the current latest 12.04(Mar 31,2013).
but there are not any files copy in the shell.

the "top" command shows that "mount.ntfs" uses high CPU usage.(sometimes 100%),
more worse is, mount.ntfs runs a long time with this high CPU usage. and almost makes the system unusable

the /etc/fstab mount info is:
/dev/sda2 /home/chenzero ntfs utf8,umask=007,uid=1000,gid=1000 0 0
/dev/sda7 /windows/e ntfs utf8,umask=007,uid=1000,gid=1000 0 0
(uid,gid is my user id and group id)

Any idea on how to fix this ?
Thanks!

[chenzero (chenzero)]

At last, I did not mount the ntfs as the HOME directory, (instead, use ext3) and now, Ubuntu works great!
Thanks!

[Launchpad Janitor (janitor)]

Status changed to 'Confirmed' because the bug affects multiple users.