On Wed, Jul 06, 2016 at 08:00:55PM +0200, Ziutek Putek wrote: > [1.] Booting from Sandisk USB stick fails and stops on Dell Latitude E5420 Laptop. > > [2.] On mainline kernel I get error: > [ 18.414128] usb 2-1.4: device descriptor read/64, error -110 > [ 23.601028] usb 2-1.4: device descriptor read/64, error -71 > [ 23.777126] usb 2-1.4: new high-speed USB device number 4 using ehci-pci > [ 23.861176] usb 2-1.4: device descriptor read/64, error -71 > [ 24.049280] usb 2-1.4: device descriptor read/64, error -71 > [ 24.225377] usb 2-1.4: new high-speed USB device number 5 using ehci-pci > [ 24.641614] usb 2-1.4: device not accepting address 5, error -71 > [ 24.713649] usb 2-1.4: new high-speed USB device number 6 using ehci-pci > [ 25.129882] usb 2-1.4: device not accepting address 6, error -71 > [ 25.131599] usb 2-1-port4: unable to enumerate USB device > > however unpluging and repluging usb stick makes booting process go further. > > On upstream kernel these errors do not show at all and the workaround with unplugging and repluging usb stick does not work. What do you mean "upstream" and "mainline"? Which version works? Which version does not? thanks, greg k-h -- 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
