Am Freitag, 23. September 2011, 06:26:54 schrieb Andiry Xu: > On Thu, 2011-09-22 at 14:49 +0200, Oliver Neukum wrote: > > Hi, > > > > I see a device that fails during initialization after S3. It doesn't matter > > when S3 happens. After the controller has undergone an S3 cycle > > with or without the device, it becomes unable to cope with the device. > > > > I made logs with Andiry's debug patch cmd_ring.patch from the thread > > "problems with usb 3.0 on clevo p150hm" > > The problem is reproducible on xhci implementations from two vendors. > > It happens at least on 3.0.4, 3.1-rc5 and 3.1-rc7 > > > > The logs are > > xhcilog2.txt: taken with device plugged in > > xhcilog.txt: taken with the device plugged in after resumption from S3 > > > > The device is problematic even on UHCI: > > > > Oliver, > > Can you apply the patch attached to see if it helps? It helps somewhat. The device is still not usable, but at least the controller does not halt. The device does not respond to SET ADDRESS as it should. Regards Oliver -- 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
