Subject: Re: "No response" after OK dmesg from USB PCI card (VIA)
To: Amadeus Stevenson <>
From: Lennart Augustsson <>
List: current-users
Date: 05/09/2005 20:56:10
One possible problem might be that interrupts are not working for
the USB controller.

	-- Lennart

Amadeus Stevenson wrote:
> Hello,
> First off I do apologise for cross posting if it inconveniences
> anyone; but the three groups seemed pertinent to the topic...
> I'm trying to get USB to work on an UltraSparc5 running -current and 2.0
> I bought the generic USB PCI card, which shows up as:
> uhci0 at pci2 dev 3 function 0: VIA Technologies VT83C572 USB
> Controlller (rev 0x50)
> uhci0: interrupting at ivsec 18
> usb0 at uhci0: USB revision 1.0
> uhub0 at usb0
> uhub0: VIA Technologies UHCI root hub class 9/0, rev 1.00/1.00, addr 1
> uhub0: 2 ports with 2 removable, self powered
> (same as above for uhub1).
> ehci0 doesn't work, so I recompiled the kernel without.
> Anyway, the above looks fine, but I'm not getting any entries in
> /var/log/messages or on the console when I plug in various USB devices
> (memory sticks etc). It's as if there is no response from the USB
> card.
> How could I debug this or find out what's going wrong?
> I found
> but it had a broken link for the PR, and other messages for the same
> controller don't have the symptons as above.
> Many thanks for any ideas to get this working,
> Amadeus