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  1. #1
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    Exclamation Receiver is online but not sending any data

    Receiver is online but not sending any data (no aircraft in coverage or problem with antenna) - have found out this error today. Used to work just fine.

    I reconfigured the settings and updated the system but no luck so far. I'm using DVT-B USB stick (WINGONEER Digitale USB 2.0 DVB-T SDR+DAB+FM RTL2832U+R820T2).

    Checking the status:
    Code:
    ● fr24feed.service - Flightradar24 Decoder & Feeder
       Loaded: loaded (/etc/systemd/system/fr24feed.service; enabled; vendor preset: enabled)
       Active: active (running) since Sun 2019-01-06 20:03:30 UTC; 2min 40s ago
      Process: 276 ExecStartPre=/usr/lib/fr24/create_missing_directories.sh (code=exited, status=0/SUCCESS)
      Process: 264 ExecStartPre=/usr/lib/fr24/unregister_kernel_modules.sh (code=exited, status=0/SUCCESS)
      Process: 223 ExecStartPre=/usr/lib/fr24/install_dump1090.sh (code=exited, status=0/SUCCESS)
     Main PID: 289 (fr24feed)
       CGroup: /system.slice/fr24feed.service
               └─289 /usr/bin/fr24feed
    
    Jan 06 20:03:28 radar systemd[1]: Starting Flightradar24 Decoder & Feeder...
    Jan 06 20:03:30 radar systemd[1]: Started Flightradar24 Decoder & Feeder.
    Running the sudo fr24feeed:
    Code:
    2019-01-06 20:12:07 | [main][i]FR24 Feeder/Decoder
    2019-01-06 20:12:07 | [main][i]Version: 1.0.23-8/generic
    2019-01-06 20:12:07 | [main][i]Built on Oct 16 2018 08:10:47 (HEAD-2d57e58.git/Linux/static_armel)
    2019-01-06 20:12:07 | [main][i]Running on: raspbian9
    2019-01-06 20:12:07 | [main][i]Local IP(s): 192.168.123.235
    2019-01-06 20:12:07 | [main][i]Copyright 2012-2018 Flightradar24 AB
    2019-01-06 20:12:07 | [main][i]DNS mode: PING
    2019-01-06 20:12:07 | [main][i]Automatic updates are ENABLED
    2019-01-06 20:12:07 | ERROR: rmmod: ERROR: Module dvb_usb_rtl28xxu is not currently loaded
    2019-01-06 20:12:07 | [main][i]Reader thread started
    2019-01-06 20:12:07 | [time][i]Synchronizing time via NTP
    2019-01-06 20:12:07 | [reader][i]Initializing reader
    2019-01-06 20:12:07 | [master][i]Starting processing thread
    2019-01-06 20:12:07 | [reader][i]Connecting to DVBT receiver via (exe:///usr/bin/dump1090-mutability  --raw)
    2019-01-06 20:12:07 | [[httpd][e]bind function failed, errno: 98
    2019-01-06 20:12:07 | reader][i]Connected to the receiver, configuring
    2019-01-06 20:12:07 | [httpd][d]Master thread terminated
    2019-01-06 20:12:07 | [reader][i]Configured, processing messages
    Sun Jan  6 20:12:07 2019 UTC  dump1090-mutability v1.14 starting up.
    Found 1 device(s):
    0: Realtek, RTL2838UHIDIR, SN: 00000001 (currently selected)
    usb_claim_interface error -6
    Error opening the RTLSDR device: Device or resource busy
    2019-01-06 20:12:07 | [reader][i]Connection terminated
    2019-01-06 20:12:07 | [main][i]Terminating child process 1744 with SIGTERM
    Tried to google:
    ERROR: rmmod: ERROR: Module dvb_usb_rtl28xxu is not currently loaded - found sth with blacklisting but did not work
    usb_claim_interface error -6 - didn't anything with -6

  2. #2
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    Please post the output of

    cat /etc/fr24feed.ini

    Don't post the fr24key though that should remain private.

    If a log path is set please have a look into the log if you know how

    If you want to manually start the feeder for testing you need to stop the service first like this:
    systemctl stop fr24feed
    (otherwise the dongle is already used by the service, it can't be used twice)
    Last edited by wiedehopf; 2019-01-06 at 22:06.

  3. #3
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    fr24feed.ini
    Code:
    receiver="dvbt"
    fr24key="myKey"
    path="/usr/lib/fr24/dump1090"
    bs="no"
    raw="no"
    logmode="2"
    logpath="/var/log/fr24feed"
    mlat="no"
    mlat-without-gps="no"
    tail /var/log/fr24feed.log
    Code:
    2018-01-20 11:20:46 | [feed][c]GND: YES
    2018-01-20 11:20:46 | [feed][c]NonADSB: YES
    2018-01-20 11:20:46 | [feed][c]Timestamps: optional
    2018-01-20 11:20:46 | [feed][c]Max range AIR: 350.0nm
    2018-01-20 11:20:46 | [feed][c]Max range GND: 100.0nm
    2018-01-20 11:20:46 | [feed][i]defined 5 servers
    2018-01-20 11:20:46 | [feed][n]LKTB50@83.130.10.85:8099/UDP
    2018-01-20 11:20:46 | [feed][n]connecting
    2018-01-20 11:21:06 | [feed][n]connected via TCP (fd -1)
    2018-01-20 11:21:06 | [feed][n]working

  4. #4
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    Quote Originally Posted by orechovnicek View Post
    fr24feed.ini
    Code:
    receiver="dvbt"
    fr24key="myKey"
    path="/usr/lib/fr24/dump1090"
    bs="no"
    raw="no"
    logmode="2"
    logpath="/var/log/fr24feed"
    mlat="no"
    mlat-without-gps="no"
    tail /var/log/fr24feed.log
    Code:
    2018-01-20 11:20:46 | [feed][c]GND: YES
    2018-01-20 11:20:46 | [feed][c]NonADSB: YES
    2018-01-20 11:20:46 | [feed][c]Timestamps: optional
    2018-01-20 11:20:46 | [feed][c]Max range AIR: 350.0nm
    2018-01-20 11:20:46 | [feed][c]Max range GND: 100.0nm
    2018-01-20 11:20:46 | [feed][i]defined 5 servers
    2018-01-20 11:20:46 | [feed][n]LKTB50@83.130.10.85:8099/UDP
    2018-01-20 11:20:46 | [feed][n]connecting
    2018-01-20 11:21:06 | [feed][n]connected via TCP (fd -1)
    2018-01-20 11:21:06 | [feed][n]working

    That looks good so far. Can you use cat instead of tail so more of the log is visible?

    You can add these two lines to /etc/fr24feed.ini

    use-http=yes
    http-timeout=10

    This fixes some intermittent upload problems that occured recently.

    @PeterWelly you can also add those two lines they improve uploading.
    But i get the impression your antenna is not working correctly so while the dongle is working fine there is just nothing to receive.

  5. #5
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    I have the same issue. How do we get the Pi to recognise the receiver?

    [main][i]FR24 Feeder/Decoder
    [main][i]Version: 1.0.23-8/generic
    [main][i]Built on Oct 11 2018 18:27:28 (HEAD-3c696a7.git/Linux/static_armel)
    [main][i]Running on: pi24-raspbian9
    [main][i]Local IP(s): 192.168.0.7
    [main][i]Copyright 2012-2018 Flightradar24 AB
    [main][i] fr24 web link
    [main][i]DNS mode: PING
    [main][i]Automatic updates are ENABLED
    ERROR: rmmod: ERROR: Module dvb_usb_rtl28xxu is not currently loaded
    [[main][i]Reader thread started
    [main][i]Socket server started
    [main][i]MLAT data feed started
    [master][i]Starting processing thread
    [reader][i]Initializing reader
    [reader][i]Connecting to DVBT receiver via (exe:///usr/bin/dump1090-mutability --raw --mlat)
    httpd][e]bind function failed, errno: 98
    [httpd][d]Master thread terminated
    [reader][i]Connected to the receiver, configuring
    [reader][i]Configured, processing messages
    [bs][i]Initializing server
    [bs][i]Starting server on 0.0.0.0:30003
    [mlat][i]Waiting for MLAT configuration
    [bs][e]Could not bind socket to *:30003, errno=98
    Sat Jan 19 02:41:20 2019 UTC dump1090-mutability v1.14 starting up.
    Found 1 device(s):
    0: Realtek, RTL2838UHIDIR, SN: 00000001 (currently selected)
    usb_claim_interface error -6
    Error opening the RTLSDR device: Device or resource busy
    [reader][i]Connection terminated
    [main][i]Terminating child process 2447 with SIGTERM
    [time][i]Synchronizing time via NTP
    [reader][i]Connecting to DVBT receiver via (exe:///usr/bin/dump1090-mutability --raw --mlat)
    [reader][i]Connected to the receiver, configuring
    [reader][i]Configured, processing messages

  6. #6
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    Restart for a start. The auto upgrade is enabled and likely didn't shut everything down as it is meant to
    Therefore you are possibly starting 2 copies and RTL set hadn't restarted

    If not it would point to something else the updater had broken

    But we would see a lot more offline if that was the case

    So its likely more isolated to your common set ups and need more individual tests

    Sent from my EML-L09 using Tapatalk
    Posts not to be taken as official support representation - Just a helpful uploader who tinkers

  7. #7
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    Thanks Oblivian. My Raspberry Pi sd card died during the week and I put an image on a new sd card and reactivated everything this morning. Have had an issue with not seeing anything for a while. very frustrating.

  8. #8
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    So can you then fill us all in with the details...

    Config/stick setup settings
    Reboot performed yes/no?

    Remember don't run anything related to 'fr24feed' after rebooting. Only ever look at the web status page or run the correct status command. Anything else will just re-run and break.

    And it is not clear if what you pasted is a log, or re running it which will give that output if you don't stop it first per the command given by wiedehopf

    Sent from my EML-L09 using Tapatalk
    Posts not to be taken as official support representation - Just a helpful uploader who tinkers

  9. #9
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    And I suspect it's the latter. Or you wouldn't see

    [bs][e]Could not bind socket to *:30003, errno=98

    That means already open.

    Sent from my EML-L09 using Tapatalk
    Posts not to be taken as official support representation - Just a helpful uploader who tinkers

  10. #10
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    Thank again. i may be tech savvy with a lot of things but Linux and the Raspberry Pi are not them.

    Rapsberry Pi with the FR24 image loaded and activated
    Tuner - Unsure of the Brand as I purchased it on eBay: USB2.0 Digital DVB-T SDR+DAB+FM HDTV TV Tuner Receiver Stick RTL2832U + R820T
    Have just rebooted the Pi and logged in via the web portal 192.168.0.7:8754
    Screen Shot 01-19-19 at 02.25 PM.jpg

    Antenna is located on the roof, but is just the mag base antenna that came with the tuner.
    Last edited by PeterWelly; 2019-01-19 at 04:26. Reason: adding info

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