On Thu, Nov 13, 2014 at 10:17:07AM +0100, Milan Kocian wrote: > Hi, > > after upgrade from 3.16 to 3.17.2 this device isn't in lsusb output > after plugging in : > > Bus 004 Device 002: ID 067b:2303 Prolific Technology, Inc. PL2303 Serial Port > (driver pl2303, usb to serial converter) > > The only way how to make it functional is to boot machine with connected device. > But after unlug/plug the device disappeared and isn't detected again. > > > (Probably a found once more non-functional device (USB keyboard) that wasn't > detected but I thinked that problem is in keyboard...) > > Some other devices work fine (USB modem, flashdisk). > > Workaround is to downgrade to the kernel 3.16. > > System: debian unstable, selfcompiled vanilla, Thinkpad X61x Are there any kernel log messages when you plug the device in? 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