On Fri, 6 Jul 2012, Alan Cox wrote: > > Yes, but we still need to know the reason why. Neither Rafael nor I > > has been able to figure out why that commit messed things up. > > Was the driver doing any dynamic autosuspend at all until that point ? I don't know... but whatever it was doing before the commit, it should be doing the same thing afterward. > From the bug report it goes castors up in windows too if a suspend/resume > occurs. Yes, it's definitely a bug in the webcam. On the other hand, there is a similar bug report for a Logitech C525 webcam which works properly when suspended/resumed by an xHCI controller but crashes when suspended/resumed by an EHCI controller. I have no idea why. Laurent, you might want to take a look at that thread, in particular, at this message: http://marc.info/?l=linux-usb&m=134115837927619&w=2 Can you explain the difference between the USB-2 and USB-3 usbmon traces? Alan Stern -- 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
