[Solved] Very strange problem with kernel-modules & NTFS write speed

I was getting very low copying speed when copying files to NTFS partitions, around 8-10 MB. But, when I commented the modules section in /etc/rc.conf file, the speed dramatically improved upto 5-6x. Now, it also created some problems for me. Like vboxdrv is required by Virtualbox to function & cpufreq_ondemand is required by my AMD processor. Please help me & tell what I'm doing wrong. I'm also posting the output of my /etc/rc.conf file here
# /etc/rc.conf - Main Configuration for Arch Linux
# LOCALIZATION
# LOCALE: available languages can be listed with the 'locale -a' command
# DAEMON_LOCALE: If set to 'yes', use $LOCALE as the locale during daemon
# startup and during the boot process. If set to 'no', the C locale is used.
# HARDWARECLOCK: set to "UTC" or "localtime", any other value will result
# in the hardware clock being left untouched (useful for virtualization)
# Note: Using "localtime" is discouraged.
# TIMEZONE: timezones are found in /usr/share/zoneinfo
# KEYMAP: keymaps are found in /usr/share/kbd/keymaps
# CONSOLEFONT: found in /usr/share/kbd/consolefonts (only needed for non-US)
# CONSOLEMAP: found in /usr/share/kbd/consoletrans
# USECOLOR: use ANSI color sequences in startup messages
# VERBOSE: Verbose level (from 1 to 8). man 3 syslog for level info
LOCALE="en_US.UTF-8"
DAEMON_LOCALE="no"
HARDWARECLOCK="localtime"
TIMEZONE="Asia/Kolkata"
KEYMAP="us"
CONSOLEFONT=
CONSOLEMAP=
USECOLOR="yes"
VERBOSE="3"
# HARDWARE
# MODULES: Modules to load at boot-up. Blacklisting is no longer supported.
# Replace every !module by an entry as on the following line in a file in
# /etc/modprobe.d:
# blacklist module
# See "man modprobe.conf" for details.
#MOD_AUTOLOAD="yes"
#MODULES=(microcode powernow-k8 cpufreq_ondemand cpufreq_powersave vboxdrv vboxnetflt )
# Udev settle timeout (default to 30)
UDEV_TIMEOUT=30
# Scan for FakeRAID (dmraid) Volumes at startup
USEDMRAID="no"
# Scan for BTRFS volumes at startup
USEBTRFS="no"
# Scan for LVM volume groups at startup, required if you use LVM
USELVM="no"
# NETWORKING
# HOSTNAME: Hostname of machine. Should also be put in /etc/hosts
HOSTNAME="AX-64"
# Use 'ip addr' or 'ls /sys/class/net/' to see all available interfaces.
# Wired network setup
# - interface: name of device (required)
# - address: IP address (leave blank for DHCP)
# - netmask: subnet mask (ignored for DHCP)
# - gateway: default route (ignored for DHCP)
# Static IP example
# interface=eth0
# address=192.168.0.2
# netmask=255.255.255.0
# gateway=192.168.0.1
# DHCP example
# interface=eth0
# address=
# netmask=
# gateway=
interface=eth0
address=192.168.1.2
netmask=255.255.255.0
gateway=192.168.1.1
# Setting this to "yes" will skip network shutdown.
# This is required if your root device is on NFS.
NETWORK_PERSIST="no"
# Enable these netcfg profiles at boot-up. These are useful if you happen to
# need more advanced network features than the simple network service
# supports, such as multiple network configurations (ie, laptop users)
# - set to 'menu' to present a menu during boot-up (dialog package required)
# - prefix an entry with a ! to disable it
# Network profiles are found in /etc/network.d
# This requires the netcfg package
#NETWORKS=(main)
# DAEMONS
# Daemons to start at boot-up (in this order)
# - prefix a daemon with a ! to disable it
# - prefix a daemon with a @ to start it up in the background
# If something other takes care of your hardware clock (ntpd, dual-boot...)
# you should disable 'hwclock' here.
DAEMONS=(hwclock @acpid syslog-ng network netfs dkms_autoinstaller sshd @crond @alsa dbus hal gdm @cpufreq @cpu)
Last edited by tarun.hellknight (2012-02-04 16:55:39)

Sorry for replying late.. Was very busy.. So, the thing is that I disabled every module & loaded only microcode & powernow-k8 in /etc/rc.local. Now, I'm getting good speed while copying data but the problem is that the processor is running & full speed i.e. 3.0 GHz. I checked it via cat /proc/cpuinfo. Also, there is a message in the bootime, that i'm posting here..
grep: /sys/devices/system/cpu/cpu*/cpufreq/scaling_available_governors: No such file or directory
If it helps, here's the output of cat /proc/cpuinfo
processor : 0
vendor_id : AuthenticAMD
cpu family : 16
model : 5
model name : AMD Athlon(tm) II X4 640 Processor
stepping : 3
microcode : 0x10000b6
cpu MHz : 3000.000
cache size : 512 KB
physical id : 0
siblings : 4
core id : 0
cpu cores : 4
apicid : 0
initial apicid : 0
fpu : yes
fpu_exception : yes
cpuid level : 5
wp : yes
flags : fpu vme de pse tsc msr pae mce cx8 apic sep mtrr pge mca cmov pat pse36 clflush mmx fxsr sse sse2 ht syscall nx mmxext fxsr_opt pdpe1gb rdtscp lm 3dnowext 3dnow constant_tsc rep_good nopl nonstop_tsc extd_apicid pni monitor cx16 popcnt lahf_lm cmp_legacy svm extapic cr8_legacy abm sse4a misalignsse 3dnowprefetch osvw ibs skinit wdt npt lbrv svm_lock nrip_save
bogomips : 6002.74
TLB size : 1024 4K pages
clflush size : 64
cache_alignment : 64
address sizes : 48 bits physical, 48 bits virtual
power management: ts ttp tm stc 100mhzsteps hwpstate
Last edited by tarun.hellknight (2012-02-01 18:49:55)

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