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From: Ian FREISLICH <if@hetzner.co.za>
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Date: Tue, 15 Jun 2004 12:29:33 +0200
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Subject: USB woes.
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Hi

First off, I'm quite happy to be told that my chipset is old and
buggy and will never work (like the board's ACPI implimentation).
My USB doesn't work.  If I plug in a device (that works fine on my
other computer) and run 'usbdevs -v', I get the following:

[brane-dead] ~ # usbdevs -v
Controller /dev/usb0:
addr 1: full speed, self powered, config 1, UHCI root hub(0x0000), Intel(0x0000), rev 1.00
 port 1 powered
 port 2 addr 0 should never happen!

Followed shortly by this message on the console:

uhub0: device problem, disabling port 2

If I boot with the device attached, 'usbdevs -v' pauses for quite
a long time and gives the correct probe line:

[brane-dead] ~ # usbdevs -v
Controller /dev/usb0:
addr 1: full speed, self powered, config 1, UHCI root hub(0x0000), Intel(0x0000), rev 1.00
 port 1 powered
 port 2 addr 2: full speed, power 500 mA, config 1, Flash Reader(0xa600), DATAFAB(0x07c4), rev 1.19

However, the device is still unusable.

The hardware is:

uhci0: <Intel 82371AB/EB (PIIX4) USB controller> port 0xe000-0xe01f irq 10 at device 7.2 on pci0
uhci0: [GIANT-LOCKED]
usb0: <Intel 82371AB/EB (PIIX4) USB controller> on uhci0
usb0: USB revision 1.0
uhub0: Intel UHCI root hub, class 9/0, rev 1.00/1.00, addr 1
uhub0: 2 ports with 2 removable, self powered

Do any of the USB gurus have any ideas?

--
Ian Freislich