On Fri, Oct 25, 2013 at 10:27:56AM -0400, Alan Stern wrote: > On Fri, 25 Oct 2013, Dave Jones wrote: > > > Xhci got a lot noisier since I recently updated my phone to the newer version of iOS. > > Possibly it's related to the new feature where it pops up a dialog on the phone > > asking if I trust the machine I've plugged into? > > > > This is from an 3.12-rc6 kernel: > > > > xhci_hcd 0000:00:14.0: Port Status Change Event for port 2 > > xhci_hcd 0000:00:14.0: resume root hub > > xhci_hcd 0000:00:14.0: handle_port_status: starting port polling. > > usb usb3: usb wakeup-resume > > usb usb3: usb auto-resume > > hub 3-0:1.0: hub_resume > > xhci_hcd 0000:00:14.0: get port status, actual port 0 status = 0x2a0 > > xhci_hcd 0000:00:14.0: Get port status returned 0x100 > > xhci_hcd 0000:00:14.0: get port status, actual port 1 status = 0x20ae1 > > xhci_hcd 0000:00:14.0: Get port status returned 0x10301 > ... > > All, or almost all, of these are merely debug-level messages. Hmm, somehow I never noticed as much in the past. Maybe I didn't have USB_DEBUG enabled back then. > Besides, how does this differ from what you get when you plug in a > phone running the older iOS? Unfortunatly cron has purged the older logs, so I've not got any examples, but I'm pretty sure it was less alarming. I'll just turn USB_DEBUG back off, I'm not even sure how it got turned on. thanks, Dave -- 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