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Background process "serial-discovery" runs at a continuous 100% CPU #8340

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tormodhau opened this issue Dec 28, 2018 · 1 comment
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Background process "serial-discovery" runs at a continuous 100% CPU #8340

tormodhau opened this issue Dec 28, 2018 · 1 comment
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@cmaglie @facchinm
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IDE 1.9.x Beta Related to the Arduino IDE Beta Build OS: OSX Specific to the Mac OS X (macOS) version of the Arduino IDE

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@tormodhau
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tormodhau commented Dec 28, 2018 •
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When launching the Arduino 1.9.0-beta IDE build on MacOS Mojave 10.14.1, the background process "serial-discovery" is lunched by the IDE. This process has a CPU usage of 90-100 % - it takes up a whole CPU core until forcefully stopped. Force quitting the process does not seem to affect the behaviour of the Arduino IDE.

Output from Activity Monitor:

screenshot 2018-12-28 at 23 14 59
@facchinm
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facchinm commented Jan 2, 2019

@tormodhau thanks for sharing this. serial-discovery is the new pluggable discoverer with we merged in beta to spot exactly this kind of bugs.
Can you share your configuration? How many serial ports are listed by the IDE in both the menus? Thanks a lot!

@facchinm facchinm added OS: OSX Specific to the Mac OS X (macOS) version of the Arduino IDE IDE 1.9.x Beta Related to the Arduino IDE Beta Build labels Jan 2, 2019
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IDE 1.9.x Beta Related to the Arduino IDE Beta Build OS: OSX Specific to the Mac OS X (macOS) version of the Arduino IDE
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@cmaglie @tormodhau @facchinm