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  • Oblivian
    replied
    If

    lsmod

    Shows 'dvb_usb_rtl28xxu'

    Then yes. It refers to the blacklist mentioned when no traffic is being uploaded.

    https://www.reddit.com/r/RTLSDR/comm...sb_rtl_device/

    Leave a comment:


  • stargate
    replied
    Originally posted by Oblivian View Post
    You need to watch the feeder in visual output like I describe earlier.

    Stop fr24feed service
    Stop all dump1090

    run

    sudo fr24feed

    And look for the error.
    Well, I found an ERROR: rmmod: ERROR: Module dvb_usb_rtl28xxu is not currently loaded

    Should I try the following steps?

    Originally posted by abcd567 View Post
    Problem:
    Code:
    Found 1 device(s):
    0: Realtek, RTL2838UHIDIR, SN: 00000001 (currently selected)
    
    Kernel driver is active, or device is claimed by second instance
    In the first case, please either detach or blacklist the kernel
    (dvb_usb_rtl28xxu), or enable automatic detaching at compile tim
    
    usb_claim_interface error -6
    Error opening the RTLSDR device: Device or resource busy

    I solved the problem! Here is how:


    First I checked the blacklist file for rtl-sdr.
    I did NOT find find the file rtl-sdr-blacklist.conf in the directory /etc/modprobe.d

    I was in GUI, and tried to create this file, but it refused to create.
    I then opened console and typed this command:

    sudo leafpad /etc/modprobe.d/rtl-sdr-blacklist.conf, and the file was created.

    I then opened the newly created blank file and typed in the file:

    blacklist dvb_usb_rtl28xxu
    blacklist e4000
    blacklist rtl2832

    Then saved the file, rebooted, and gave command

    cd dump1090
    ./dump1090 --interactive

    and bingo, the dump1090 started working. Showing lots of plane with whip which came with DVB-T USB Stick!

    [ATTACH=CONFIG]5453[/ATTACH]


    Edit:
    (1) Leafpad command creates file only when given to RPi console directly. It does not create file in SSH mode. In SSH mode, new file can be created by nano command i.e sudo nano /etc/modprobe.d/rtl-sdr-blacklist.conf.
    (2) It is not necessary to use name rtl-sdr-blacklist.conf. Any name can be used, but the extension should always be .conf
    (3) To see the plane plotted on google map, following command is to be given:

    cd dump1090
    ./dump1090 --interactive --net --net-http-port 8080

    This will open port 8080 on RPi, and then typing http://127.0.0.1:8080 in browser will display planes plotted on Google map

    Leave a comment:


  • Oblivian
    replied
    You need to watch the feeder in visual output like I describe earlier.

    Stop fr24feed service
    Stop all dump1090

    run

    sudo fr24feed

    And look for the error.

    Leave a comment:


  • stargate
    replied
    Originally posted by Oblivian View Post
    So is it back to working now, or not?

    Going by the searching I can see you making I'm guessing not.

    If you installed or are running ANY other tracking site feed software on the same device. You probably have one configured wrong, and both trying to connect to the USB stick twice.

    There should only ever be 1 running dump1090 version.

    And everything else connecting using local network tcp beast:30005
    Hi Oblivian,
    I'm only running fr24 feed.

    On win10 rtl-test shows:
    Using device 0: Terratec T Stick PLUS
    Found Elonics E4000 tuner
    Supported gain values (14): -1.0 1.5 4.0 6.5 9.0 11.5 14.0 16.5 19.0 21.5 24.0 29.0 34.0 42.0
    Reading samples in async mode...
    lost at least 32 bytes

    On Pi rtl-test shows:
    Found 1 device(s):
    0: Realtek, RTL2838UHIDIR, SN: 00000001

    Using device 0: Terratec T Stick PLUS
    Found Elonics E4000 tuner
    Supported gain values (14): -1.0 1.5 4.0 6.5 9.0 11.5 14.0 16.5 19.0 21.5 24.0 29.0 34.0 42.0
    Sampling at 2048000 S/s.
    Benchmarking E4000 PLL...
    [E4K] PLL not locked for 52000000 Hz!
    [E4K] PLL not locked for 2221000000 Hz!
    [E4K] PLL not locked for 1111000000 Hz!
    [E4K] PLL not locked for 1276000000 Hz!
    E4K range: 53 to 2220 MHz
    E4K L-band gap: 1111 to 1276 MHz

    When runs sudo fr24feed-status, it shows:
    [FAIL] FR24 Feeder/Decoder Process ... failed!

    I'm not sure what to do next? Reinstall hte Pi24 img? Try another dongle?

    thanks.

    Leave a comment:


  • Oblivian
    replied
    So is it back to working now, or not?

    Going by the searching I can see you making I'm guessing not.

    If you installed or are running ANY other tracking site feed software on the same device. You probably have one configured wrong, and both trying to connect to the USB stick twice.

    There should only ever be 1 running dump1090 version.

    And everything else connecting using local network tcp beast:30005

    Leave a comment:


  • stargate
    replied
    Originally posted by Oblivian View Post
    The answer is also in that, and my threads

    https://forum.flightradar24.com/thre...l=1#post104229
    I just saw it. And I edit my former reply. thx

    Leave a comment:


  • Oblivian
    replied
    Originally posted by stargate View Post
    Found 1 device(s):
    0: Realtek, RTL2838UHIDIR, SN: 00000001

    Using device 0: Terratec T Stick PLUS
    usb_claim_interface error -6
    Failed to open rtlsdr device #0.


    Well, what does the error mean?
    thanks.
    The answer is also in that, and my threads

    https://forum.flightradar24.com/thre...l=1#post104229

    Found 1 device(s):
    0: Realtek, RTL2838UHIDIR, SN: 00000001 (currently selected)

    Kernel driver is active, or device is claimed by second instance of librtlsdr.
    In the first case, please either detach or blacklist the kernel module
    (dvb_usb_rtl28xxu), or enable automatic detaching at compile time.

    usb_claim_interface error -6
    Error opening the RTLSDR device: Device or resource busy
    USB device already locked/in use or blacklisted
    - Follow RPi RTL blacklist How-to guide here
    - Close other instances of Dump1090 (clean reboot)
    - Configure other software for Network data (remove exclusive USB need)

    Leave a comment:


  • stargate
    replied
    Originally posted by wiedehopf View Post
    thanks, I will have a try.

    Leave a comment:


  • Oblivian
    replied
    You can shortcut by manual use of quotes. Or just <name>: instead.

    quote=widehopf]. /quote =

    Originally posted by widehopf
    .
    Be a different story if the software actually supported tagging alert notifications and was helpful. But it doesn't.
    Just lets users post adverts (and has caught!) for iphones, fake passports and visas with contact email addresses attached. (which I believe is in the antispam addon they have implemented)

    Leave a comment:


  • wiedehopf
    replied
    Yeah yeah i got the memo by now. Sorry for being a bit slow. Didn't realize people would answer the same way and that would create a problem.

    After all it's not a problem for established members to use the @ symbol.
    It's much easier though than quoting someone and and then deleting most of it so it's not too long.

    Leave a comment:


  • Oblivian
    replied
    Originally posted by wiedehopf View Post
    And even April last year I warned about use of @s..

    Leave a comment:


  • wiedehopf
    replied
    Check this thread:

    https://forum.flightradar24.com/thre...Dongle-Healthy

    Leave a comment:


  • Oblivian
    replied
    I refer again to my help page
    https://forum.flightradar24.com/thre...ll=1#post74834

    - Check the basic commands

    sudo systemctl stop fr24feed

    sudo systemctl start fr24feed

    Still not starting or MLAT or other functions are not working? Visually check WHY..
    - Stop FR24feed

    sudo systemctl stop fr24feed
    - Start fr24feed with full output
    sudo fr24feed ( !! no 'Service' !! )
    Last edited by Oblivian; 2019-05-11, 08:00.

    Leave a comment:


  • stargate
    replied
    Originally posted by Oblivian View Post
    Run the command

    sudo fr24feed-status

    Or look at the data on http://<ip of pi>:8754

    If that is OK - don't use the statistics page to get info about your feeder - it probably has a fault again
    FR24 Link: Connected via UDP
    FR24 Radar Code: T-ZBAA1
    Local IP(s): 192.168.1.158
    Aircraft Tracked:
    (ModeS & ADS-B) 0
    Aircraft Uploaded: N/A
    Receiver: dvbt, Connected
    MLAT running: NO
    ________________________________

    pi@raspberrypi:~ $ sudo fr24feed-status
    [FAIL] FR24 Feeder/Decoder Process ... failed!

    So, is that means the dongle broken?
    Last edited by stargate; 2019-05-11, 08:03.

    Leave a comment:


  • Oblivian
    replied
    Run the command

    sudo fr24feed-status

    Or look at the data on http://<ip of pi>:8754

    If that is OK - don't use the statistics page to get info about your feeder - it probably has a fault again

    Leave a comment:

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