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From: Stefan <gentoopower@yahoo.de>
To: linux-ide@vger.kernel.org
Subject: USB-Storage, slow speed with sync option
Date: Wed, 14 Sep 2005 02:53:25 +0200	[thread overview]
Message-ID: <43277485.6030802@yahoo.de> (raw)

Hi folks,

I'm not sure if this is the correct list for my problem. So bare with me.

When I copy files to my USB 2.0 Stick , my transferspeed are horrible in
case I mount the device with sync option, the rates are around 50KB/s,
doesn't really matter how big the files are.
If I don't mount with option sync, then the speeds are as expected a
couple of MB/s

I don't think this is the default behaviour, right?

Anybody got an idea what could be wrong?

Filesystem is vfat.
I tried with different kernels and a live cd(knoppix), currently I use
kernel 2.6.13.
Motherboard is an NFORCE 4 based one:

0000:00:02.0 USB Controller: nVidia Corporation CK804 USB Controller
(rev a2)
0000:00:02.1 USB Controller: nVidia Corporation CK804 USB Controller
(rev a3)

USB Info shows the device using ehci_hcd module

Thanks in advance, Stefan


	

	
		
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             reply	other threads:[~2005-09-14  0:55 UTC|newest]

Thread overview: 12+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2005-09-14  0:53 Stefan [this message]
2005-09-14  9:31 ` USB-Storage, slow speed with sync option Erik Slagter
2005-09-14 10:27   ` Stefan
2005-09-14 10:33     ` Erik Slagter
2005-09-14 10:43       ` Stefan
2005-09-14 12:45         ` Lionel Bouton
2005-09-14 12:51           ` Erik Slagter
     [not found]             ` <87f94c37050914055852ff4789@mail.gmail.com>
2005-09-14 13:04               ` Erik Slagter
2005-09-14 15:26             ` Mark Lord
2005-09-14 15:38               ` Lionel Bouton
2005-09-14 21:38                 ` Mark Lord
2005-09-14 13:37           ` Stefan

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