OctoPrint on armbian

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On 8/29/2020 at 10:55 AM, ldiaz said:


Sorry to hear that.  The problem you are describing is hard to debug as is related with intermittent communication. It can be anything form octoprint to usb kernel drivers for this SOC, usb cable or sockets or even the firmware of the 3d printer. I think you can enable the serial logger in octoprint to try to identify when the freeze happens.


 My experience with a couple of OpiZeros LTS is good with a couple of printers (Ender 3 and a I3 clone) is stable. I've printed long prints of 10-12 h without problems.


When i first started using octoprint on an allwinner board, nanopi m1 in this case, I had a lot of usb connectivity issues with both my printer and a usb camera installed. I eventually found a post somewhere suggesting that the issue was with the "ondemand" cpufreq governor, and that switching the governor to "userspace" or "performance" should fix it, and it did fix it for me. This was on a 4.17 kernel i think.  I don't know if the same issue is expected to exist in later kernels. 

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