On Sun, 2004-06-06 at 11:01, Alan Stern wrote:
> On 5 Jun 2004, Stephen Evanchik wrote:
> 
> > Hello,
> > 
> > Since Linux 2.6.6 I've not been able to use any USB devices. I see this
> > error in the dmesg:
> > 
> > usb 2-2: new full speed USB device using address 2
> > usb 2-2: device descriptor read/all, error 0
> > 
> > When I disconnect the device, the kernel oopses (see below). I tried 
> > 2.6.7-rc2 and had the same problem without the oops.
> > 
> > Sorry if I am repeated / rehashing a known problem. I looked through the
> > sf.net lists and read through a number of posts but couldn't find
> > anything similar.
> 
> Could you please make sure that USB debugging is turned on in your kernel 
> configuration, and then post a more complete dmesg output?  From the 
> one-line error message shown here it's hard to tell exactly what the 
> problem is.

Sure,

Linux 2.6.7-rc2

Plug in device:

uhci_hcd 0000:00:1d.1: wakeup_hc
uhci_hcd 0000:00:1d.1: port 2 portsc 0082
hub 2-0:1.0: port 2, status 0100, change 0001, 12 Mb/s
uhci_hcd 0000:00:1d.1: port 2 portsc 0093
hub 2-0:1.0: port 2, status 0101, change 0001, 12 Mb/s
hub 2-0:1.0: debounce: port 2: delay 100ms stable 4 status 0x101
usb 2-2: new full speed USB device using address 2
usb 2-2: device descriptor read/all, error 0
usb 2-2: new full speed USB device using address 3
usb 2-2: device descriptor read/all, error 0

Remove Device:

uhci_hcd 0000:00:1d.1: port 2 portsc 0082
hub 2-0:1.0: port 2, status 0100, change 0001, 12 Mb/s
uhci_hcd 0000:00:1d.1: suspend_hc




Stephen




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