Please always use Reply-To-All so that your messages get sent to the mailing list as well as to me. On Fri, 30 Aug 2013, Jürgen Liebmann wrote: > When the commit that causes the problem increases the time between the two request, > maybe that's just this is the cause of the problem? > Can you decrease this time again? You can try the patch below. Apply it to the 74a6af256648 kernel; it will reverse the timing effect of that commit. > I can't believe that this is a hardware problem, because all older kernels performs fine and all newer not! If it isn't a hardware problem, why does the camera work okay after you initialize it in a virtual machine? Alan Stern Index: 3.10/drivers/usb/host/ehci-q.c =================================================================== --- 3.10.orig/drivers/usb/host/ehci-q.c +++ 3.10/drivers/usb/host/ehci-q.c @@ -1170,7 +1170,7 @@ static void single_unlink_async(struct e struct ehci_qh *prev; /* Add to the end of the list of QHs waiting for the next IAAD */ - qh->qh_state = QH_STATE_UNLINK_WAIT; + qh->qh_state = QH_STATE_UNLINK; if (ehci->async_unlink) ehci->async_unlink_last->unlink_next = qh; else -- To unsubscribe from this list: send the line "unsubscribe linux-usb" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
