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Thread: teensy_post_com at 100% CPU after closing out everything

  1. #1
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    Oct 2012
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    teensy_post_com at 100% CPU after closing out everything

    Maybe not helpful as I don't have much debug info. I'm running Arduino 1.8.9 / Teensydino 1.47 under Linux Mint on an Intel-based "fitlet2" mini-PC.
    Linux john-fitlet2 4.15.0-58-generic #64-Ubuntu SMP Tue Aug 6 11:12:41 UTC 2019 x86_64 x86_64 x86_64 GNU/Linux

    I didn't even have a Teensy connected today, I was just trying to program an Arduino Uno which didn't work for some reason, then a Mega which eventually did. Then I closed down all Arduino windows. Only later did I notice a process named "teensy_post_com" was still running, and it was consistently taking 100% CPU according to 'top'. Never seen that before, just thought I would mention it in case of interest.

  2. #2
    Senior Member
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    Oct 2012
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    Portland OR
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    (FWIW, reason the "Uno" did not work is it was a knockoff board "OPEN-SMART UNO" and actually used a ATmega168 instead of 328p, and the bootloader was set at 19.2kbps.)

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