Fitipower FC0012 tuner Segmentation Fault #316
Replies: 6 comments 25 replies
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I am suspecting now that the RPi Zero is not feeding the dongle with sufficient power. My reasoning for this is because I just took the card out of the zero, put it in a RPi 3B, and everything is working perfectly. |
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The above issues I have been having are with the black dongle in the photo. The silver one also does the same as below. pi@raspberrypi:~ $ sudo systemctl stop ais-catcher
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Actually, quickly to stray away from this, can you filter out an MMSI in the software? I have one MMSI in range that appears to be fake, and it messes up the screen pretty quickly on day's it is active. Thanks |
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Added something to the program for that just now. If you want to filter out an mmsi of the webviewer: AIS-catcher -N 8100 filter ON block_mmsi 23435235 |
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Weird that it does not wrong with your silver dongle. Either something with your rtl-sdr driver or an issue with the Zero Pi (WH). Anyone else having an issue on the Pi zero WH? |
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I will spice up a wire later and try feeding the dongles with power bypassing the Pi, just incase it is that. I do have another zero, but it isn't wireless unfortunately. I will reinstall both Raspberry Pi OS Lite (32-Bit) and AIS Catcher from scratch again and see if it is still the same. While I am happy using the RPi3, it would be good to work out why this issue has occured for me. Does the '-N 8100 filter ON block_mmsi 23435235' also block the sentance from being forwarded on by AIS catcher? Thanks. |
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OK, I have spliced up a cable so that the dongle is being fed power seperately and not relying on the Zero, and I have this now. pi@raspberrypi:~ $ sudo systemctl stop ais-catcher
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Actually, I think that was a one off, as it has gone back to this instead now. pi@raspberrypi:~ $ AIS-catcher -v |
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CB5 is device disconnected. Will give it tomorrow a try with a zero WH as well and see what it says. |
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In the meantime, I will set up the SSD from scratch. |
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can you then install the program via the script on the github page, so we run the same set up? |
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Yes, no problems. It was installed via the script the first time around. |
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OK, I have started over from scratch. Clean install of Raspberry Pi OS Lite (32-Bit). Installed AIS Catcher using:- sudo bash -c "$(wget -qO- https://raw.githubusercontent.com/jvde-github/AIS-catcher/main/scripts/aiscatcher-install)" Plugged the dongle in and:- pi@raspberrypi:~ $ /usr/bin/AIS-catcher -v
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And the black dongle is doing the same as before, or occasionally this, so I think we can rule out a power issue. pi@raspberrypi:~ $ AIS-catcher -v |
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I tried yesterday raspberry pi zero rev 1.1 WH with OS 32 lite and 3 different dongles. All worked without the issues you have seen. I did not try with the silver V3 (tested with orange flightaware, mini dongle and V4). Will test a bit more but is difficult to replicate. Are you using an older Zero? |
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Other question, are utilities like rtl_test working normally? |
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Results as follows: pi@raspberrypi:~ $ sudo systemctl stop ais-catcher.service Using device 0: Generic RTL2832U OEM
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I am getting a different result from a cold start up vs stopping the service and restarting it. Sometimes I get this from a cold start: pi@raspberrypi:~ $ sudo systemctl status ais-catcher.service Nov 03 16:29:36 raspberrypi systemd[1]: ais-catcher.service: Main process exite> Nov 03 16:29:36 raspberrypi systemd[1]: ais-catcher.service: Main process exited, code=killed, status=11/SEGV But then other times the cold start brings up the web interface as soon as the RPi comes up, and the service status is as below. I have then continued to stop the service, ais-catcher -v, and restart the service. After the service is restarted, the web interface does not come up. Stopping the service does seem to take a very long time. pi@raspberrypi:~ $ sudo systemctl status ais-catcher.service Nov 03 16:31:46 raspberrypi bash[535]: [ERROR] RTLSDR: timeout. Nov 03 16:31:46 raspberrypi bash[535]: [ERROR] RTLSDR: timeout. pi@raspberrypi:~ $ sudo systemctl stop ais-catcher.service Nov 03 16:34:32 raspberrypi systemd[1]: ais-catcher.service: Failed with result 'signal'. |
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The MMSI filter works great on the web interface, is there any way that this could be expanded so it doesn't forward the dropped MMSI data on via UDP/TCP share too? Thanks |
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yes, you can add a filter to any output channel, e.g. |
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Thank you. Filtering work's perfectly and removed my problem MMSI. |
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Made a small additional to the program to give more insight into why we have the segmentation fault. Can you install again AIS-catcher on the troubled RPI Zero with debug symbols: Note the And then run the program as you did, ./AIS-catcher -v and share the output if you have the segmentation fault again. Hopefully provides some guidance where this happens in the program. |
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Results now are: pi@raspberrypi:~ $ sudo systemctl stop ais-catcher.service AIS-catcher - Internal error: signal 11 - Segmentation fault Stack trace: Thanks |
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Thanks! That is quick. Unfortunately, not a lot of information where the issue occurs. Need to think a bit more about this. Not very obvious. |
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No problems. Always happy to do some testing if needed. Thanks again. |
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Hi, I have set up a RPi Zero WH with a clean installation of Raspberry Pi OS Lite (32-Bit) and have installed AIS Catcher and edited the config.cmd file appropriately.
For some reason though I keep coming to the same fault.
I would be grateful for any advice to help me get this running.
Many Thanks
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