Hi Everyone, 

Yesterday I was preparing my set to do some imaging after a long period of cloudy nights.
No matter how much I tried, I couldn't connect to most of my USB Devices. (EQmod, Pegasus PPBA, Pegasus DMFC)
Both my cameras (zwo) were inconsistent.

I decided to focus my troubleshooting on the EQmod driver since it is directly connected to my Pi4B (4GB) and I don't have to worry about USB hubs.
I've tried adding serial port mapping, removing serial port mapping, and connecting to every USB port in INDI. Then I tried the same on different physical USB ports.
I abandoned the night figuring it might be a hardware problem. Today, I resumed troubleshooting. Now I've tried all the same using my backup Pi3B. 
Again, no luck. 

Lastly, I tried my backup sd card where I kept a version of stellarmate 1.5.7. 
Everything worked perfectly without so much as a warning. 
It occurred to me that I was running 1.5.9 on the SD cards that I had only used it with simulators thus far. 
I had completely skipped SM 1.5.8. 

I did use K-Stars 3.5.3 as a client with SM 1.5.7 and didn't have any problems. So I think I can focus on the Pi and perhaps INDI?

What can I do to troubleshoot this further? I'm fine running 1.5.7 for now, but would like to solve this anyway.
Any help will be greatly appriciated.

Regards, Remco

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