[Hackrf-dev] cannot talk to more than one hackrf one with Ubuntu 14.04

[Trek Liu]

I am running ubuntu 14.04, with three HackRF one devices connected to the system. All three were with the 2015.07.2 firmware and the CPLD programs were also updated individually. 


HackRF_info can identify all three devices (see below), however when I run osmocom_fft with -a hackrf=0/1/2 options, the same HackRF device is always selected for streaming instead of the specified ones by -a hackrf=options (I can see the RX led lit from the same device every time). Same thing is observed with Gnuradio-companion. 


could anyone give a clue? 
Thanks. 








rock at rock-machine:~$ hackrf_info
Found HackRF board 0:
USB descriptor string: 000000000000000014d463dc2f58b5e1
Board ID Number: 2 (HackRF One)
Firmware Version: 2015.07.2
Part ID Number: 0xa000cb3c 0x004d4f59
Serial Number: 0x00000000 0x00000000 0x14d463dc 0x2f58b5e1


Found HackRF board 1:
USB descriptor string: 000000000000000014d463dc2f5e8ee1
Board ID Number: 2 (HackRF One)
Firmware Version: 2015.07.2
Part ID Number: 0xa000cb3c 0x005d475f
Serial Number: 0x00000000 0x00000000 0x14d463dc 0x2f5e8ee1


Found HackRF board 2:
USB descriptor string: 000000000000000015d463dc377f1125
Board ID Number: 2 (HackRF One)
Firmware Version: 2015.07.2
Part ID Number: 0xa000cb3c 0x00654754
Serial Number: 0x00000000 0x00000000 0x15d463dc 0x377f1125
rock at rock-machine:~$ osmocom_fft -a hackrf=0
linux; GNU C++ version 4.8.2; Boost_105400; UHD_003.005.005-0-unknown


gr-osmosdr 0.1.1 (0.1.1) gnuradio 3.7.2.1
built-in source types: file osmosdr fcd rtl rtl_tcp uhd hackrf bladerf rfspace 
Using HackRF One with firmware 2015.07.2 
Using Volk machine: avx_64_mmx_orc
rock at rock-machine:~$ osmocom_fft -a hackrf=1
linux; GNU C++ version 4.8.2; Boost_105400; UHD_003.005.005-0-unknown


gr-osmosdr 0.1.1 (0.1.1) gnuradio 3.7.2.1
built-in source types: file osmosdr fcd rtl rtl_tcp uhd hackrf bladerf rfspace 
Using HackRF One with firmware 2015.07.2 
Using Volk machine: avx_64_mmx_orc
rock at rock-machine:~$ osmocom_fft -a hackrf=2
linux; GNU C++ version 4.8.2; Boost_105400; UHD_003.005.005-0-unknown


gr-osmosdr 0.1.1 (0.1.1) gnuradio 3.7.2.1
built-in source types: file osmosdr fcd rtl rtl_tcp uhd hackrf bladerf rfspace 
Using HackRF One with firmware 2015.07.2 
Using Volk machine: avx_64_mmx_orc
rock at rock-machine:~$
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