Public bug reported:
Copying files from internal hard disk to a USB 2.0 pen drive transfers
data at aproximately 8MBps (64Mbps).
I don't expect it to reach 100% of the theorectical maximum 60MBps but
if it doesn't even get to 20% there is certainly something wrong.
ProblemType: Bug
DistroRelease: Ubuntu 11.10
Package: linux-image-3.0.0-16-generic 3.0.0-16.28
ProcVersionSignature: Ubuntu 3.0.0-16.28-generic 3.0.17
Uname: Linux 3.0.0-16-generic i686
NonfreeKernelModules: nvidia
AlsaVersion: Advanced Linux Sound Architecture Driver Version 1.0.24.
ApportVersion: 1.23-0ubuntu4
Architecture: i386
AudioDevicesInUse:
USER PID ACCESS COMMAND
/dev/snd/controlC0: teo 936 F.... pulseaudio
/dev/snd/pcmC0D0p: teo 936 F...m pulseaudio
CRDA: Error: [Errno 2] No such file or directory
Card0.Amixer.info:
Card hw:0 'Intel'/'HDA Intel at 0xfebf8000 irq 49'
Mixer name : 'Realtek ALC660-VD'
Components : 'HDA:10ec0660,10430000,00100001
HDA:10573055,10431316,00100700'
Controls : 25
Simple ctrls : 16
Date: Tue Feb 14 13:45:38 2012
HibernationDevice: RESUME=UUID=b1b3e5fe-38e2-44c9-9e48-4564cd9f4d66
InstallationMedia: Ubuntu 10.04 LTS "Lucid Lynx" - Release i386 (20100429)
MachineType: ASUSTeK Computer Inc. M51Sn
ProcEnviron:
PATH=(custom, user)
LANG=en_US.UTF-8
SHELL=/bin/bash
ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-3.0.0-16-generic
root=UUID=173acbf5-26a0-49e3-8d2b-f1c142582cbf ro quiet splash vt.handoff=7
RelatedPackageVersions:
linux-restricted-modules-3.0.0-16-generic N/A
linux-backports-modules-3.0.0-16-generic N/A
linux-firmware 1.60.1
SourcePackage: linux
StagingDrivers: zram
UpgradeStatus: Upgraded to oneiric on 2011-12-07 (68 days ago)
UserAsoundrc:
pcm.!default { type pulse }
ctl.!default { type pulse }
pcm.pulse { type pulse }
ctl.pulse { type pulse }
dmi.bios.date: 12/24/2007
dmi.bios.vendor: American Megatrends Inc.
dmi.bios.version: 303
dmi.board.asset.tag: ATN12345678901234567
dmi.board.name: M51Sn
dmi.board.vendor: ASUSTeK Computer Inc.
dmi.board.version: 1.0
dmi.chassis.asset.tag: ATN12345678901234567
dmi.chassis.type: 10
dmi.chassis.vendor: ASUSTeK Computer Inc.
dmi.chassis.version: 1.0
dmi.modalias:
dmi:bvnAmericanMegatrendsInc.:bvr303:bd12/24/2007:svnASUSTeKComputerInc.:pnM51Sn:pvr1.0:rvnASUSTeKComputerInc.:rnM51Sn:rvr1.0:cvnASUSTeKComputerInc.:ct10:cvr1.0:
dmi.product.name: M51Sn
dmi.product.version: 1.0
dmi.sys.vendor: ASUSTeK Computer Inc.
** Affects: linux (Ubuntu)
Importance: Undecided
Status: Confirmed
** Tags: apport-bug i386 oneiric running-unity staging
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https://bugs.launchpad.net/bugs/932033
Title:
copying files to USB 2.0 drive is damn slow
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