Dnia Czwartek, 7 Lipca 2016 01:08 Greg KH <gregkh@xxxxxxxxxxxxxxxxxxx> napisał(a) > 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 It seems that the problem disappeared after upgrade to 4.4.0-47-generic #68-Ubuntu. Best regards Darek -- 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
