Re: Extremely poor umass transfer rates

From: Randy.Dunlap
Date: Thu Apr 28 2005 - 12:18:15 EST


On Thu, 28 Apr 2005 12:59:15 -0400
Dave Jones <davej@xxxxxxxxxx> wrote:

> On Thu, Apr 28, 2005 at 06:02:22PM +0200, Mark Rosenstand wrote:
> > I get transfer rates at around 30 kB/s to USB mass storage devices. It
> > applies to both my keyring and my mp3 player. Both are running vfat.
> >
> > I'm running 2.6.12-rc3 for amd64 with patches for inotify and skge. The
> > motherboard is an ASUS K8V-X (VIA K8T800).
> >
> > It worked alright earlier (2.6.10 or 2.6.11, I'll test later if
> > necessary.)
> >
> > Also, if I transfer more than one file at a time the music tracks start
> > overlapping on my mp3 player.
>
> Are you running it on a USB 2.0 capable interface ?
> Is your mp3 player USB2.0 capable ?
> USB1.1 is painfully slow for storage.

And which USB storage driver are you using (USB storage or
USB block driver)? (or what device names are you mounting?)

---
~Randy
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