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Satellite tracker crashes #1260
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Would be useful if you could let us know exactly which demods you have open. A screenshot might help. If you want to debug, you can do:
Then when it crashes
And copy and paste the output here. |
The demods were SSB or DSD. Either one will do it. NFM may occasionally cause the crash, but the satellite presets included that. I can try the debug info when I have time. ——Steve |
I ran SDRangel 7.2.1-8-g93e51e140 under debug with the usual switches and to my surprise, it worked much better than it had been working. The only problem was that the spectrum/waterfall display froze. gdb /opt/install/sdrangel/bin/sdrangel Was listening to SSB, when NOAA 18 became available. I received NFM and DSD for about 30 minutes. I changed to SSB demod and closed NFM, but I left DSD Demod running. DSD Constellation did not freeze, but after about 30 minutes, the spectrum and waterfall display froze with SSB demod still receiving a signal. #0 0x0000007ff5eb2e90 in read () at /lib/aarch64-linux-gnu/libc.so.6 There are no more satellites tonight. Later, without gdb, I received with SSB demod while DSD demod was running. After about 20 minutes, the DSD constellation display froze, but it seemed to be receiving. ----Steve |
For some reason, SDRangel have been behaving much better that it had been. V7 crashed frequently before I installed gdb. One strange thing that happened is that DSD demod constellation display never froze while running under gdb, but often did without gdb. With that in mind, I booted up a Raspberry Pi OS with SDRangel 6.20.2. It does not have gdb installed. After this, cannot start SDRangel: I hope this is useful. |
SDRangel 7.2.1-8-g93e51e140 running under gdb: Had been receiving NFM and DSD. I kept this terminal output, including info stack near the end: 2022-06-02 19:31:07.740 (D) SatelliteTrackerWorker::doppler "NOAA 15" Thread 198 "QThread" received signal SIGSEGV, Segmentation fault. |
The crash there appears to be in the APT demodulator - you might want to try running without that demod for now. |
Thanks for looking at this. I hope that you will fix this when you have time. ----Steve |
This issue is going to be closed due to inactivity |
I am hoping that you will be able to fix it when you get time. |
I am hoping that you will be able to fix APT.
This issue serves as a reminder.
…----Steve
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I am having Satellite tracker problems on SDRangel running on Raspberry Pi OS Bullseye 64 bit or DietPi Bullseye 64 bit. Same on both OS distributions.
Starting with version 6.19,
I added presets for the satellites that I have in Satellite tracker and configured SDRangel Control.
SDRangel will freeze when SDRangel Control starts a satellite path procedure while another Channel demod is running.
It freezes less often when there is nothing running between satellite passes.
The latest version that I tried with Satellite tracking working well was version 6.18.1.
Starting with version 6.19, in addition to the Satellite tracker crashes, the DSD demod constellation will freeze after running for a few minutes, sometimes longer.
I tried SDRangel version 7.2.1-8-g93e51e140
Satellite tracker/SDRangel control did not load the preset that I had set for the satellite when it became visible. Speech is working, as it announced the satellite becoming visible.
I closed the SSB demod that was running and opened APT. Satellite tracker was already running.
I set the frequencies and pressed play. SDRangel quit with this error:
2022-05-28 12:21:39.674 (D) APTDemodImageWorker::calcCoord: No TLE for satellite. Is Satellite Tracker running?
Segmentation fault
I restarted SDRangel, but it crashed again. The next time I ran SDRangel, it did not quit with Segmentation fault and I received the satellite.
I can provide more debug data if you tell me what and how to get it.
----Steve
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