Card Reader Ausgabe des Befehls: dmesg

usb 4-6: new high speed USB device using address 2
usb 4-6: device not accepting address 2, error -71
usb 4-6: new high speed USB device using address 3
usb 4-6: device not accepting address 3, error -71
usb 4-6: new high speed USB device using address 4
usb 4-6: device not accepting address 4, error -71
usb 4-6: new high speed USB device using address 5
usb 4-6: device not accepting address 5, error -71
usb 4-6: new high speed USB device using address 6
...

Das ist mein Problem. Wo liegt die Lösung ?

THX