Re: usb camera failing in 2.6.13-rc6

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On Sun, 14 Aug 2005 18:42:12 +1000, Con Kolivas <[email protected]> wrote:
> On Sun, 14 Aug 2005 18:00, Pete Zaitcev wrote:
> > On Sun, 14 Aug 2005 17:12:06 +1000, Con Kolivas <[email protected]> wrote:

> Yes all those dmesgs etc were redone after it failed in rc6 as I needed it 
> working. Oh and all other usb devices - mouse, printer, scanner, keyboard are 
> working fine in rc6; it's just the camera.

This should be diffable. You caught this regression relatively early.
But I'm afraid you have to go through the divide-by-half excercise.

If I were a betting man, I'd bet on this:

--- a/drivers/usb/core/devio.c
+++ b/drivers/usb/core/devio.c
@@ -579,7 +582,7 @@ static int proc_control(struct dev_state
 		if ((i > 0) && ctrl.wLength) {
 			if (usbfs_snoop) {
 				dev_info(&dev->dev, "control read: data ");
-				for (j = 0; j < ctrl.wLength; ++j)
+				for (j = 0; j < i; ++j)
 					printk ("%02x ", (unsigned char)(tbuf)[j]);
 				printk("\n");
 			}
@@ -784,16 +790,16 @@ static int proc_setconfig(struct dev_sta
  		for (i = 0; i < actconfig->desc.bNumInterfaces; ++i) {
  			if (usb_interface_claimed(actconfig->interface[i])) {
 				dev_warn (&ps->dev->dev,
-					"usbfs: interface %d claimed "
+					"usbfs: interface %d claimed by %s "
 					"while '%s' sets config #%d\n",
 					actconfig->interface[i]
 						->cur_altsetting
 						->desc.bInterfaceNumber,
+					actconfig->interface[i]
+						->dev.driver->name,
 					current->comm, u);
-#if 0	/* FIXME:  enable in 2.6.10 or so */
  				status = -EBUSY;
 				break;
-#endif
 			}
  		}
  	}

Remember that dmesg diff you sent? That's the one. If you strace
the digikamcameracl, it probably keels over after EBUSY.

-- Pete
-
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