Ubuntu-fr

Salut,
J'ai les mêmes messages au boot :
[   28.099404] usb 1-3: cannot get ctl value: req = 0x83, wValue = 0xc01, wIndex = 0xd00, type = 4
[   28.099407] usb 1-3: 13:0: cannot get min/max values for control 12 (id 13)
[   28.121014] usb 1-3: cannot get ctl value: req = 0x83, wValue = 0x806, wIndex = 0xd00, type = 4
[   28.121021] usb 1-3: 13:0: cannot get min/max values for control 8 (id 13)
[   28.121170] usb 1-3: cannot get ctl value: req = 0x83, wValue = 0xb01, wIndex = 0xd00, type = 4
[   28.121173] usb 1-3: 13:0: cannot get min/max values for control 11 (id 13)
[   28.121646] usb 1-3: cannot get ctl value: req = 0x83, wValue = 0xc01, wIndex = 0xd00, type = 4
[   28.121648] usb 1-3: 13:0: cannot get min/max values for control 12 (id 13)
[   28.189037] usb 1-3: cannot get ctl value: req = 0x83, wValue = 0x806, wIndex = 0xd00, type = 4
[   28.189045] usb 1-3: 13:0: cannot get min/max values for control 8 (id 13)
[   28.189782] usb 1-3: cannot get ctl value: req = 0x83, wValue = 0xb01, wIndex = 0xd00, type = 4
[   28.189786] usb 1-3: 13:0: cannot get min/max values for control 11 (id 13)
[   28.190154] usb 1-3: cannot get ctl value: req = 0x83, wValue = 0xc01, wIndex = 0xd00, type = 4
[   28.190158] usb 1-3: 13:0: cannot get min/max values for control 12 (id 13)
[   28.197163] usb 1-3: cannot get ctl value: req = 0x83, wValue = 0x806, wIndex = 0xd00, type = 4
[   28.197170] usb 1-3: 13:0: cannot get min/max values for control 8 (id 13)
[   28.197531] usb 1-3: cannot get ctl value: req = 0x83, wValue = 0xb01, wIndex = 0xd00, type = 4
[   28.197533] usb 1-3: 13:0: cannot get min/max values for control 11 (id 13)
[   28.197905] usb 1-3: cannot get ctl value: req = 0x83, wValue = 0xc01, wIndex = 0xd00, type = 4
[   28.197907] usb 1-3: 13:0: cannot get min/max values for control 12 (id 13)

avec Ubuntu Studio 16.04 et une Komplete Audio 6 usb, native instruments

Malgré cela, la carte fonctionne sans problème.

est-ce un problème d'Alsa? de firmware (j'ai le dernier firmware 1.2.0 http://www.native-instruments.com/fr/su … er-files/) ?

Je ne suis pas assez expert pour trouver...