On Wed, 9 Nov 2016 sonofagun@xxxxxxxxxxxxxxx wrote: > Back to our subject, I think there is something we can do for intel dual > EHCI chipsets so that it is easier to debug similar issues in the > future. PCI dumps from the machine that had the issue are needed. I don't see how PCI dumps would help with debugging this. I also don't see why this issue would be at all connected with the fact that there are two EHCI controllers on the chipset. A usbmon trace of the affected bus might be more helpful. 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