Re: 2.6.33: Xorg+khubd lockup (D-state) BUG / ioctl EVIOCGNAMEfailed: Inappropriate ioctl for device / PreInit returned NULL

[Justin Piszcz]

On Mon, 29 Mar 2010, Justin Piszcz wrote:

> On Mon, 29 Mar 2010, Alan Stern wrote:

> For your patch, what does this patch against? It does not apply cleanly
> for 2.6.33.
It also fails against 2.6.34-rc2, can you diff -u and show the patch so
I can patch manually or include a patch against 2.6.33 or 2.6.34-rc2? 
Thanks.

> > Alan Stern
> >
> >
> > Index: usb-2.6/drivers/usb/host/ohci-hcd.c
> > ===================================================================
> > --- usb-2.6.orig/drivers/usb/host/ohci-hcd.c
> > +++ usb-2.6/drivers/usb/host/ohci-hcd.c
> > @@ -290,6 +290,8 @@ static int ohci_urb_dequeue(struct usb_h
> > 		 */
> > 		urb_priv = urb->hcpriv;
> > 		if (urb_priv) {
> > +			ohci_info(ohci, "start unlink urb %p, ed %p\n",
> > +					urb, urb_priv->ed);
> > 			if (urb_priv->ed->state == ED_OPER)
> > 				start_ed_unlink (ohci, urb_priv->ed);
> > 		}
> > @@ -324,6 +326,9 @@ ohci_endpoint_disable (struct usb_hcd *h
> >
> > 	if (!ed)
> > 		return;
> > +	ohci_info(ohci, "disable ed %p (#%02x) state %d%s\n",
> > +			ed, ep->desc.bEndpointAddress, ed->state,
> > +			list_empty(&ed->td_list) ? "" : " (has tds)");
> >
> > rescan:
> > 	spin_lock_irqsave (&ohci->lock, flags);
> > @@ -770,6 +775,10 @@ static irqreturn_t ohci_irq (struct usb_
> > 		return IRQ_HANDLED;
> > 	}
> >
> > +	ohci_info(ohci, "int %x enable %x rm_list %p\n", ints,
> > +			ohci_readl(ohci, &regs->intrenable),
> > +			ohci->ed_rm_list);
> > +
> > 	/* We only care about interrupts that are enabled */
> > 	ints &= ohci_readl(ohci, &regs->intrenable);
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