USB 2.0 problem

Edwin Ringersma edwin at introweb.nl
Tue Mar 22 00:24:30 PST 2005


Hi,

What version are you running ?
It's a known problem.
I'm testing with the latest 5 version (5.4 prerelease) and now it's 
reporting the USB 2.0 device on an intel based motherboard as 
40MB/s. (with 5.3 it was reported as 1.0MB/s)
So it looks like the support for USB 2.0  has improved from 5.3 .

regards,
Edwin Ringersma
Date sent:      	Mon, 21 Mar 2005 23:55:11 +0000
From:           	Carlos Silva aka|Danger_Man| <full-disclosure at csilva.org>
To:             	freebsd-hardware at freebsd.org
Subject:        	Re: USB 2.0 problem

> Carlos Jorge Santos wrote:
> 
> > Hi,
> >
> > You're probably using USB 1.1 driver instead of USB 2.0.
> > To enable USB 2.0 you have to recompile your kernel with  :
> >
> > device   ehci
> >
> > Take a look at :
> > http://www.freebsd.org/doc/en_US.ISO8859-1/books/handbook/usb-disks.html
> >
> > Best Regards
> > Carlos Santos (Portugal) :-)
> >
> No, I've compiled the kernel with ehci (eg. usb3: USB revision 2.0 ) :-)
> 
> regards,
> 
> Carlos Silv (Portugal too)
> 
> > Carlos Silva aka|Danger_Man| wrote:
> >
> >> Hi dudes,
> >>
> >> I have a little problem with my external disk drive, my data transfer 
> >> rate is 1.000MB/s.
> >> I have USB 2.0 so the rate is larger, right?
> >> Somebody has an idea how to enlarge the rate?
> >>
> >> Regards,
> >>
> >> Carlos
> >>
> >>
> >> osiris# dmesg | grep usb && dmesg | grep da0
> >> usb0: <Intel 82371AB/EB (PIIX4) USB controller> on uhci0
> >> usb0: USB revision 1.0
> >> usb1: <VIA 83C572 USB controller> on uhci1
> >> usb1: USB revision 1.0
> >> usb2: <VIA 83C572 USB controller> on uhci2
> >> usb2: USB revision 1.0
> >> ehci_pci_attach: companion usb1
> >> ehci_pci_attach: companion usb2
> >> usb3: EHCI version 0.95
> >> usb3: companion controllers, 2 ports each: usb1 usb2
> >> usb3: <EHCI (generic) USB 2.0 controller> on ehci0
> >> usb3: USB revision 2.0
> >> GEOM: create disk da0 dp=0xc2d96850
> >> da0 at umass-sim0 bus 0 target 0 lun 0
> >> da0: <USB 2.0 Storage Device 0100> Fixed Direct Access SCSI-0 device
> >> da0: 1.000MB/s transfers
> >> da0: 190782MB (390721968 512 byte sectors: 255H 63S/T 24321C)
> >> osiris#
> >>
> >> osiris# usbdevs
> >> addr 1: UHCI root hub, Intel
> >> addr 1: UHCI root hub, VIA
> >> addr 1: UHCI root hub, VIA
> >> addr 2: USB 2.0 Storage Device, Acer Labs
> >> addr 1: EHCI root hub, (0x1106)
> >> osiris#
> >>
> >> osiris# camcontrol devlist
> >> <USB 2.0 Storage Device 0100>      at scbus0 target 0 lun 0 (da0,pass0)
> >> osiris#
> >
> >
> 
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