What is the output when you load the drivers and then when you plug in the
drive? Also, are you getting interupts for the EHCI driver?

On Mon, 22 Mar 2004, Mark Watts wrote:

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> > Do you have the ehci driver loaded on your opteron system?
>
> I'm pretty sure I have all the usb modules loaded...
>
> ehci-hcd               26916  0
> uhci-hcd               33488  0
> ohci-hcd               20740  0
> usbcore               108860  7 usb-storage,hid,ehci-hcd,uhci-hcd,ohci-hcd
>
> Mark.
>
> >
> > On Mon, 22 Mar 2004, Mark Watts wrote:
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> > >
> > > I have a Tyan S2875 board with two Opteron processors.
> > >
> > > Kernel is 2.6.3 running on Mandrake 10.0 Community.
> > >
> > > On the ATX back panel are four USB ports. Two are in the same block as
> > > the lan port and the other two are on their own.
> > > There are some additional headers on the motherboard, one per controller.
> > >
> > > According to lspci, I have the following USB controllers:
> > >
> > > 01:00.0 USB Controller: Advanced Micro Devices [AMD] AMD-8111 USB (rev
> > > 0b) (prog-if 10 [OHCI])
> > >         Subsystem: Advanced Micro Devices [AMD] AMD-8111 USB
> > >         Flags: bus master, medium devsel, latency 64, IRQ 19
> > >         Memory at fc9fc000 (32-bit, non-prefetchable) [size=4K]
> > >
> > > 01:00.1 USB Controller: Advanced Micro Devices [AMD] AMD-8111 USB (rev
> > > 0b) (prog-if 10 [OHCI])
> > >         Subsystem: Advanced Micro Devices [AMD] AMD-8111 USB
> > >         Flags: bus master, medium devsel, latency 64, IRQ 19
> > >         Memory at fc9fd000 (32-bit, non-prefetchable) [size=4K]
> > >
> > > 01:0b.0 USB Controller: VIA Technologies, Inc. USB (rev 61) (prog-if 00
> > > [UHCI])
> > >         Subsystem: VIA Technologies, Inc. USB
> > >         Flags: bus master, medium devsel, latency 64, IRQ 17
> > >         I/O ports at a800 [size=32]
> > >         Capabilities: <available only to root>
> > >
> > > 01:0b.1 USB Controller: VIA Technologies, Inc. USB (rev 61) (prog-if 00
> > > [UHCI])
> > >         Subsystem: VIA Technologies, Inc. USB
> > >         Flags: bus master, medium devsel, latency 64, IRQ 18
> > >         I/O ports at a880 [size=32]
> > >         Capabilities: <available only to root>
> > >
> > > 01:0b.2 USB Controller: VIA Technologies, Inc. USB 2.0 (rev 62) (prog-if
> > > 20 [EHCI])
> > >         Subsystem: VIA Technologies, Inc. USB 2.0
> > >         Flags: bus master, medium devsel, latency 64, IRQ 19
> > >         Memory at fc9ff800 (32-bit, non-prefetchable) [size=256]
> > >         Capabilities: <available only to root>
> > >
> > >
> > > - From what I can gather, the two separate ports are the AMD controller,
> > > and they only support USB 1.1. The motherboard manual supports this
> > > theory.
> > >
> > > The other ports are the VIA controller, and they support both USB 1.1 and
> > > USB 2.0.
> > >
> > > Whichever ports I plug a USB 2.0 20Gig hard drive into, I only get USB1.1
> > > speeds out of it.
> > > Using usbview shows that if I plug the drive into the VIA ports, its
> > > using the uhci-hcd driver.
> > > If I use the AMD ports, it uses the ohci-hcd driver.
> > >
> > > If I use the system case USB header plugged into the USB2.0 motherboard
> > > header (as marked in the motherboard manual) the light on my drive comes
> > > on but the system doesn't even acknowledge that I plugged anything in.
> > >
> > >
> > > On my AthlonXP system with a VIA USB 1.1/2.0 controller, I can use any
> > > port on the motherboard to plug my drive into and I will always use the
> > > ehci-hcd driver and get USB 2.0 data rates, even if the uhci-hcd driver
> > > is loaded too.
> > >
> > >
> > > Is there any way of either forcing the VIA ports to use only the ehci-hcd
> > > driver, or is there something else going on?
> > >
> > > Cheers,
> > >
> > > Mark.
> > >
> > > - --
> > > Mark Watts
> > > Senior Systems Engineer
> > > QinetiQ TIM
> > > St Andrews Road, Malvern
> > > GPG Public Key ID: 455420ED
> > >
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> > >
> > >
> > >
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> > --
> >  /------------------------------------+-------------------------\
> >
> > |Stephen J. Gowdy                     | SLAC, MailStop 34,       |
> > |http://www.slac.stanford.edu/~gowdy/ | 2575 Sand Hill Road,     |
> > |http://calendar.yahoo.com/gowdy      | Menlo Park CA 94025, USA |
> > |EMail: [EMAIL PROTECTED]       | Tel: +1 650 926 3144     |
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> >  \------------------------------------+-------------------------/
>
> - --
> Mark Watts
> Senior Systems Engineer
> QinetiQ TIM
> St Andrews Road, Malvern
> GPG Public Key ID: 455420ED
>
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> =om+F
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--
 /------------------------------------+-------------------------\
|Stephen J. Gowdy                     | SLAC, MailStop 34,       |
|http://www.slac.stanford.edu/~gowdy/ | 2575 Sand Hill Road,     |
|http://calendar.yahoo.com/gowdy      | Menlo Park CA 94025, USA |
|EMail: [EMAIL PROTECTED]       | Tel: +1 650 926 3144     |
 \------------------------------------+-------------------------/


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