Re: Null Pointer BUG in uhci_hcd

Alan Stern
2009-07-08T19:57:36Z

On Wed, 8 Jul 2009, Michael S. Zick wrote:

> But, then again, we might just get lucky:
> ehci_hcd 0000:00:10.4: Unlink after no-IRQ? Controller is probably using the wrong IRQ.
> usb 1-5: khubd timed out on ep0in len=18/64

Like I've been telling you all along, the hardware isn't working. I
suspect it's worse than a simple interrupt-routing mistake.

> > > For more information enable CONFIG_USB_DEBUG and CONFIG_DEBUG_FS, then
> > > see what's sitting in the usb/uhci/* files in debugfs.
> > >
>
> Anything in particular to look for/at?

Just post the contents of those files.

Alan Stern