[Bug 392204] Re: Huge CPU usage by mount.ntfs process

[Sam Geen]

Well, sure. My issue is that I don't know nearly enough about Linux to
look into this bug myself, and have no idea what combination of factors
causes it to freeze my laptop every time I copy more than 10-100MB or so
onto my root directory (a Wubi Ubuntu 12.04 install over Windows 7). Is
it Wubi that's causing the problem (which didn't exist in my previous
11.04 install). Is it a new version of ntfs-3g that caused this bug to
occur sometimes? Is it a symptom of multiple causes across Ubuntu, or is
it a single problem that people have no interest in fixing?

Since this is the root directory doing this I doubt I can unmount as
suggested above. So I'd rather adopt the approach that causes this
problem to go away fastest rather than have my system hang every time I
want to do something other than edit text files, since it seems like
this problem won't be solved any time soon.

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https://bugs.launchpad.net/bugs/392204

Title:
  Huge CPU usage by mount.ntfs process

Status in NTFS-3G:
  New
Status in “ntfs-3g” package in Ubuntu:
  Confirmed

Bug description:
  While copying files from one ntfs partition to second ntfs partition
  process 'mount.ntfs' use 42 - 49% procesor resources (probably 100% on
  one core). Second 'mount.ntfs' process use 5% procesor time. (used
  'conky' for inspection)

  / and /home on first sata disk (ext4)
  file source on the second sata (ntfs)
  file target on third sata hdd (ntfs)

  Ubuntu 9.10 Alpha 1 (up-to-date)

  Athlon 2xCore
  nvidia 570 chipset

  ProblemType: Bug
  Architecture: i386
  Date: Thu Jun 25 19:11:54 2009
  DistroRelease: Ubuntu 9.10
  ExecutablePath: /usr/bin/nautilus
  NonfreeKernelModules: nvidia
  Package: nautilus 1:2.27.2-0ubuntu1
  ProcEnviron:
   LANG=en_US.UTF-8
   SHELL=/bin/bash
  ProcVersionSignature: Ubuntu 2.6.30-9.10-generic
  SourcePackage: nautilus
  Uname: Linux 2.6.30-9-generic i686

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