On Sun, Nov 30, 2014 at 11:47:20AM -0800, Linus Torvalds wrote: > Hmm, Greg. > > I seem to get this problem possibly more commonly at boot these days: > > usb 1-6: new full-speed USB device number 2 using xhci_hcd > usb 1-6: device descriptor read/64, error -71 > xhci_hcd 0000:00:14.0: Setup ERROR: setup context command for slot 1. > usb 1-6: hub failed to enable device, error -22 > usb 1-6: new full-speed USB device number 3 using xhci_hcd > usb 1-6: device descriptor read/64, error -71 > usb 1-6: hub failed to enable device, error -22 > usb 1-6: new full-speed USB device number 4 using xhci_hcd > usb 1-6: Device not responding to setup address. > usb 1-6: Device not responding to setup address. > usb 1-6: device not accepting address 4, error -71 > usb 1-6: new full-speed USB device number 5 using xhci_hcd > usb 1-6: Device not responding to setup address. > usb 1-6: Device not responding to setup address. > usb 1-6: device not accepting address 5, error -71 > usb usb1-port6: unable to enumerate USB device > > and my keyboard doesn't work. I then unplug and re-plug it, and get > > usb 1-6: new full-speed USB device number 9 using xhci_hcd > usb 1-6: New USB device found, idVendor=2516, idProduct=0020 > usb 1-6: New USB device strings: Mfr=1, Product=2, SerialNumber=0 > usb 1-6: Product: Quickfire Rapid i > usb 1-6: Manufacturer: CM Storm > > Any ideas? Some setup delay that isn't long enough at boot time for a > slightly finicky device? It has happened before, but now I've gotten > it twice within a couple of days: > > Nov 02 12:18:56 i7.lan kernel: usb 1-6: device descriptor read/64, error -71 > Nov 28 16:54:06 i7.lan kernel: usb 1-6: device descriptor read/64, error -71 > Nov 30 11:26:35 i7.lan kernel: usb 1-6: device descriptor read/64, error -71 > > (I've had this keyboard since mid-September, and looking at the logs > this machine has been rebooted 41 times since, with those three > failures..) I've been seeing this occasionally recently as well, but was blaming a "bad" USB 3 hub I have here that I use, and the problem goes away with a replug. Mathias, any ideas what is going on here? thanks, greg k-h > > Linus -- 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
