I found the bad commit. git bisect gave me the following: -------------------------- ab94e562ed45c99914fe874b7feaf75b80ceea84 is the first bad commit commit ab94e562ed45c99914fe874b7feaf75b80ceea84 Author: Benjamin Tissoires <benjamin.tissoires@xxxxxxxxxx> Date: Tue Sep 30 13:18:28 2014 -0400 HID: logitech: move dj devices to the HID++ module Devices connected through the Logitech Wireless Receiver are HID++ devices. We can handle them here to benefit from this new module and activate enhaced support of the various wireless touchpad or mice with touch sensors on them. Signed-off-by: Benjamin Tissoires <benjamin.tissoires@xxxxxxxxxx> Tested-by: Andrew de los Reyes <adlr@xxxxxxxxxxxx> Signed-off-by: Jiri Kosina <jkosina@xxxxxxx> :040000 040000 d6253d6fe42eba7b80315a2a8a5974afd1d07fa8 c135f1f4cb14cdc5f43595481bfc44f6b074fc45 M drivers -------------------------- So should I do anything else now, liek pos this info on: https://bugzilla.kernel.org/show_bug.cgi?id=100631 where I first reported it. And Is there a way I can track the progres sof this bug? (First time reporting a kernel bug for me) Op 01-07-15 om 16:17 schreef Alan Stern: > On Wed, 1 Jul 2015, Glasswall Information Point wrote: > >> Bug as submitted on: https://bugzilla.kernel.org/show_bug.cgi?id=100631 >> >> Mailing it to this mailing list on advice of greg k-h >> >> ------------------------------------------------------------------------------ >> >> Cannot use the logitech k520 (046d:c52b) to unlock my luks disk at boot time >> >> Hitting keyboard keys of this specific kayboard does not register while entering the disk unlock password >> >> In the 3.x mail line kernels this does work. >> in the 4.1 mainline kernel a corded hid keyboard does work but this specific keyboard does not work anymore. >> >> The keybaord works fine after boot > > Have you tried using "git bisect" to find the kernel commit which > caused this change in behavior? > > Alan Stern > -- 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