Sorunsuz çalışan usbmi görmemeye başladı. Sorun nerede ve nasıl düzelir?

~$ lsusb
Bus 003 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
Bus 007 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub
Bus 006 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub
Bus 002 Device 003: ID 0bda:5801 Realtek Semiconductor Corp. USB Camera
Bus 002 Device 002: ID 0bda:0138 Realtek Semiconductor Corp. RTS5138 Card Reader Controller
Bus 002 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
Bus 005 Device 002: ID 0cf3:3005 Qualcomm Atheros Communications AR3011 Bluetooth
Bus 005 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub
Bus 001 Device 007: ID 0930:6544 Toshiba Corp. TransMemory-Mini / Kingston DataTraveler 2.0 Stick
Bus 001 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
Bus 004 Device 002: ID 18f8:0f97 [Maxxter] USB OPTICAL MOUSE 
Bus 004 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub