我的 DVBT（it9135）不工作。
命令的输出lsusb是：
me@mydesktop:~$ lsusb
Bus 001 Device 005: ID 04f2:0833 Chicony Electronics Co., Ltd
Bus 001 Device 004: ID 093a:2510 Pixart Imaging, Inc. Optical Mouse
Bus 001 Device 006: ID 048d:9006 Integrated Technology Express, Inc.
IT9135 BDA Afatech DVB-T HDTV Dongle
Bus 001 Device 002: ID 05e3:0610 Genesys Logic, Inc. 4-port hub
Bus 001 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
Bus 002 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
命令的输出dmesg | grep dvb是：
[ 15.013789] usb 1-1.2: dvb_usb_v2: 2nd usb_bulk_msg() failed=-110
[ 15.133279] usb 1-1.2: dvb_usb_v2: found a 'ITE 9135(9006) Generic' in cold state
[ 15.291005] usb 1-1.2: dvb_usb_v2: downloading firmware from file 'dvb-usb-it9135-02.fw'
[ 15.694003] usb 1-1.2: dvb_usb_v2: found a 'ITE 9135(9006) Generic' in warm state
[ 15.694242] usb 1-1.2: dvb_usb_v2: will pass the complete MPEG2 transport stream to the software demuxer
[ 15.694586] dvb_usb_it913x: probe of 1-1.2:1.0 failed with error -12
[ 15.694642] usbcore: registered new interface driver dvb_usb_it913x
输出为uname -a：
me@mydesktop:~$ uname -a
Linux odroid64 3.14.79-109 #1 SMP PREEMPT Thu Mar 16 20:05:25 BRT 2017 aarch64 aarch64 aarch64 GNU/Linux
我在波斯语 ubuntu 论坛上问了这个问题，但不幸的是，我没有收到任何答复。