Re: [Discuss-gnuradio] Bug with USRP2/SBX and UHD when launching the acquisition

2011/8/5 Marcus D. Leech <mleech@ripnet.com>:
> On 05/08/2011 10:33 AM, Emmanuel Caillé wrote:
>>
>> Hello all,
>>
>> I have a problem with my USRP2 (with a SBX board) :
>> Most of times when I launch the acquisition, no data are received.
>>
>> For example with uhd_fft.py :
>>
>> $ uhd_fft.py
>> linux; GNU C++ version 4.5.2; Boost_104200; UHD_003.002.001-fc349d3
>> -- Opening a USRP2/N-Series device...
>> -- Current recv frame size: 1472 bytes
>> -- Current send frame size: 1472 bytes
>>
>> and the FFT Plotter appear but is empty.
>>
> Also, what do you get with
>
> uhd_usrp_probe --args "addr=192.168.10.2"  (or whatever you've set the IP
> addr of the USRP2 to).
>
>

There are no samples (autoscale don't do anything) and there are no
timeout errors.
I perfectly ping the device (with 0% packet loss).
I don't understand why sometimes it works and at other times it
doesn't (without changing any option).

$ uhd_usrp_probe
linux; GNU C++ version 4.5.2; Boost_104200; UHD_003.002.001-fc349d3

-- Opening a USRP2/N-Series device...
-- Current recv frame size: 1472 bytes
-- Current send frame size: 1472 bytes
_____________________________________________________
/
| Device: USRP2 / N-Series Device
| _____________________________________________________
| /
| | Mboard: USRP2-REV4
| | rev: 1024
| | mac-addr: 00:50:c2:85:3a:a4
| | ip-addr: 10.66.160.164
| | gpsdo: none
| | serial: 2724
| |
| | Time sources: none, external, _external_, mimo
| | Clock sources: internal, external, mimo
| | Sensors: mimo_locked, ref_locked
| | _____________________________________________________
| | /
| | | RX DSP: 0
| | | Freq range: -50.000 to 50.000 Mhz
| | _____________________________________________________
| | /
| | | RX DSP: 1
| | | Freq range: -50.000 to 50.000 Mhz
| | _____________________________________________________
| | /
| | | RX Dboard: A
| | | ID: SBX (0x0054)
| | | Serial: E7R10Y0XS
| | | _____________________________________________________
| | | /
| | | | RX Subdev: 0
| | | | Name: SBX (0x0054)
| | | | Antennas: TX/RX, RX2
| | | | Sensors: lo_locked
| | | | Freq range: 68.750 to 4400.000 Mhz
| | | | Gain range PGA0: 0.0 to 31.5 step 0.5 dB
| | | | Connection Type: IQ
| | | | Uses LO offset: No
| | | _____________________________________________________
| | | /
| | | | RX Codec: A
| | | | Name: ltc2284
| | | | Gain Elements: None
| | _____________________________________________________
| | /
| | | TX DSP: 0
| | | Freq range: -250.000 to 250.000 Mhz
| | _____________________________________________________
| | /
| | | TX Dboard: A
| | | ID: SBX (0x0055)
| | | Serial: E7R10Y0XS
| | | _____________________________________________________
| | | /
| | | | TX Subdev: 0
| | | | Name: SBX (0x0055)
| | | | Antennas: TX/RX
| | | | Sensors: lo_locked
| | | | Freq range: 68.750 to 4400.000 Mhz
| | | | Gain range PGA0: 0.0 to 31.5 step 0.5 dB
| | | | Connection Type: QI
| | | | Uses LO offset: No
| | | _____________________________________________________
| | | /
| | | | TX Codec: A
| | | | Name: ad9777
| | | | Gain Elements: None

(I had the same problem when I used the 192.168.10.2 IP)

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