Serial port not appearing

I am using a MacBook Pro, Intel silicon, Ventura 13.1. IDE version 2.3.4. Arduino Mega that's quite old.

  • The serial port does not appear in the IDE
  • It does appear in the Apple System Information tool under USB3.0 Bus as FT232R USB UART.
  • It does not appear if I type ls /dev/tty.usb* into Terminal.
  • It is also not found by serial-discovery
  • The board connects fine to another MacBook with the same IDE, same cable, and same USB-C to USB-A adapter. That MacBook is a new M3 Apple Silicon.

It seems like I'm in a similar situation to this thread that went cold. Any ideas?

I don't use a Mac and that thread is fairly outdated, but I think you should try the steps listed on the last (unreplied) post in that topic and write here the results, to let some other Mac user try and help you.

docdoc, I wonder if it will help if an ls command does not show a port. But just like you I don't use a Mac.

An additional thing from the thread I referenced. Here's the copy/paste from running the app. I also followed the steps for running the serial discovery tool, but it only found the bluetooth stuff, not anything related to the arduino board.

(base) MBP-GDAC-6:Applications greg$ /Applications/"Arduino IDE.app"/Contents/MacOS/"Arduino IDE"
Arduino IDE 2.3.4
Checking for frontend application configuration customizations. Module path: /Applications/Arduino IDE.app/Contents/Resources/app/lib/backend/electron-main.js, destination 'package.json': /Applications/Arduino IDE.app/Contents/Resources/app/package.json
Setting 'theia.frontend.config.appVersion' application configuration value to: "2.3.4" (type of string)
Setting 'theia.frontend.config.cliVersion' application configuration value to: "1.1.1" (type of string)
Setting 'theia.frontend.config.buildDate' application configuration value to: "2024-12-03T10:01:12.470Z" (type of string)
Frontend application configuration after modifications: {"applicationName":"Arduino IDE","defaultTheme":{"light":"arduino-theme","dark":"arduino-theme-dark"},"defaultIconTheme":"none","electron":{"windowOptions":{}},"defaultLocale":"","validatePreferencesSchema":false,"preferences":{"window.title":"${rootName}${activeEditorShort}${appName}","files.autoSave":"afterDelay","editor.minimap.enabled":false,"editor.tabSize":2,"editor.scrollBeyondLastLine":false,"editor.quickSuggestions":{"other":false,"comments":false,"strings":false},"editor.maxTokenizationLineLength":500,"editor.bracketPairColorization.enabled":false,"breadcrumbs.enabled":false,"workbench.tree.renderIndentGuides":"none","explorer.compactFolders":false},"appVersion":"2.3.4","cliVersion":"1.1.1","buildDate":"2024-12-03T10:01:12.470Z"}
Starting backend process. PID: 22453
Using browser-only version of superagent in non-browser environment
Configuration directory URI: 'file:///Users/greg/.arduinoIDE'
Configuring to accept webviews on '^.+\.webview\..+$' hostname.
2025-01-20T15:00:59.593Z root INFO Backend Object.initialize: 6.3 ms [Finished 0.645 s after backend start]
2025-01-20T15:00:59.599Z root INFO Backend Object.configure: 5.6 ms [Finished 0.645 s after backend start]
2025-01-20T15:00:59.599Z root INFO Backend s.onStart: 1.9 ms [Finished 0.645 s after backend start]
2025-01-20T15:00:59.599Z root INFO Backend s.configure: 0.4 ms [Finished 0.670 s after backend start]
2025-01-20T15:00:59.600Z root INFO Backend d.onStart: 0.4 ms [Finished 0.670 s after backend start]
2025-01-20T15:00:59.601Z root INFO Backend d.configure: 0.1 ms [Finished 0.670 s after backend start]
2025-01-20T15:00:59.602Z root INFO Backend d.initialize: 25.7 ms [Finished 0.671 s after backend start]
2025-01-20T15:00:59.602Z root INFO Backend c.onStart: 0.4 ms [Finished 0.671 s after backend start]
2025-01-20T15:00:59.602Z root INFO Backend a.configure: 6.5 ms [Finished 0.677 s after backend start]
2025-01-20T15:00:59.604Z config INFO >>> Initializing CLI configuration...
2025-01-20T15:00:59.604Z root INFO Backend c.initialize: 0.7 ms [Finished 0.678 s after backend start]
2025-01-20T15:00:59.604Z root INFO Backend x.onStart: 0.9 ms [Finished 0.678 s after backend start]
2025-01-20T15:00:59.605Z config INFO Loading CLI configuration from /Users/greg/.arduinoIDE/arduino-cli.yaml...
2025-01-20T15:00:59.605Z daemon INFO Starting daemon from /Applications/Arduino IDE.app/Contents/Resources/app/lib/backend/resources/arduino-cli...
2025-01-20T15:00:59.605Z root INFO Backend a.initialize: 0.5 ms [Finished 0.679 s after backend start]
2025-01-20T15:00:59.606Z root INFO Backend w.onStart: 1.3 ms [Finished 0.680 s after backend start]
2025-01-20T15:00:59.606Z root INFO Backend r.configure: 1.9 ms [Finished 0.680 s after backend start]
2025-01-20T15:00:59.606Z discovery-log INFO start
2025-01-20T15:00:59.606Z discovery-log INFO start new deferred
2025-01-20T15:00:59.606Z root INFO Backend d.initialize: 0.4 ms [Finished 0.681 s after backend start]
2025-01-20T15:00:59.606Z root INFO Backend y.onStart: 1.9 ms [Finished 0.682 s after backend start]
2025-01-20T15:00:59.606Z root INFO Backend r.configure: 1.6 ms [Finished 0.682 s after backend start]
2025-01-20T15:00:59.606Z root INFO Backend a.onStart: 0.7 ms [Finished 0.684 s after backend start]
2025-01-20T15:00:59.606Z root INFO Backend h.configure: 0.5 ms [Finished 0.684 s after backend start]
2025-01-20T15:00:59.606Z root INFO Backend s.configure: 0.1 ms [Finished 0.684 s after backend start]
2025-01-20T15:00:59.606Z root INFO Backend l.configure: 0.1 ms [Finished 0.684 s after backend start]
2025-01-20T15:00:59.608Z root INFO Theia app listening on http://127.0.0.1:53388.
2025-01-20T15:00:59.608Z root INFO Finished starting backend application: 2.7 ms [Finished 0.686 s after backend start]
2025-01-20T15:00:59.609Z root WARN The local plugin referenced by local-dir:/Users/greg/.arduinoIDE/extensions does not exist.
2025-01-20T15:00:59.610Z root WARN The local plugin referenced by local-dir:/Users/greg/.arduinoIDE/plugins does not exist.
2025-01-20T15:00:59.639Z config INFO Loaded CLI configuration: {"board_manager":{"additional_urls":[]}}
2025-01-20T15:00:59.639Z config INFO Loading fallback CLI configuration to get 'directories.data' and 'directories.user'
2025-01-20T15:00:59.657Z root INFO Resolve plugins list: 52.9 ms [Finished 0.735 s after backend start]
2025-01-20T15:01:00.154Z daemon INFO time="2025-01-20T07:01:00-08:00" level=info msg="arduino-cli version 1.1.1"
time="2025-01-20T07:01:00-08:00" level=info msg="Using config file: /Users/greg/.arduinoIDE/arduino-cli.yaml"
time="2025-01-20T07:01:00-08:00" level=info msg="Executing `arduino-cli daemon`"
Daemon is now listening on 127.0.0.1:53389
{"IP":"127.0.0.1","Port":"53389"}
2025-01-20T15:01:00.154Z daemon INFO Daemon is running.
2025-01-20T15:01:00.155Z config INFO Loaded fallback CLI configuration: {"directories":{"user":"/Users/greg/Documents/Arduino","data":"/Users/greg/Library/Arduino15"}}
2025-01-20T15:01:00.155Z config INFO Merged CLI configuration with the fallback: {"directories":{"user":"/Users/greg/Documents/Arduino","data":"/Users/greg/Library/Arduino15"},"board_manager":{"additional_urls":[]}}
2025-01-20T15:01:00.155Z config INFO Loaded the CLI configuration.
2025-01-20T15:01:00.163Z config INFO Mapped the CLI configuration: {"dataDirUri":"file:///Users/greg/Library/Arduino15","sketchDirUri":"file:///Users/greg/Documents/Arduino","additionalUrls":[],"network":"none","locale":"en"}
2025-01-20T15:01:00.163Z config INFO Validating the CLI configuration...
2025-01-20T15:01:00.232Z config INFO The CLI config is valid.
2025-01-20T15:01:00.232Z config INFO <<< Initialized the CLI configuration.
2025-01-20T15:01:00.287Z daemon INFO time="2025-01-20T07:01:00-08:00" level=info msg="Checking signature" index=/Users/greg/Library/Arduino15/package_index.json signatureFile=/Users/greg/Library/Arduino15/package_index.json.sig trusted=true
time="2025-01-20T07:01:00-08:00" level=info msg="Loading hardware from: /Users/greg/Library/Arduino15/packages"
time="2025-01-20T07:01:00-08:00" level=info msg="Loading package arduino from: /Users/greg/Library/Arduino15/packages/arduino/hardware"
time="2025-01-20T07:01:00-08:00" level=info msg="Adding monitor tool" protocol=serial tool="builtin:serial-monitor"
time="2025-01-20T07:01:00-08:00" level=info msg="Loaded platform" platform="arduino:avr@1.8.6"
time="2025-01-20T07:01:00-08:00" level=info msg="Checking existence of 'tools' path: /Users/greg/Library/Arduino15/packages/arduino/tools"
time="2025-01-20T07:01:00-08:00" level=info msg="Loading tools from dir: /Users/greg/Library/Arduino15/packages/arduino/tools"
time="2025-01-20T07:01:00-08:00" level=info msg="Loaded tool" tool="arduino:arduinoOTA@1.3.0"
time="2025-01-20T07:01:00-08:00" level=info msg="Loaded tool" tool="arduino:avr-gcc@7.3.0-atmel3.6.1-arduino7"
time="2025-01-20T07:01:00-08:00" level=info msg="Loaded tool" tool="arduino:avrdude@6.3.0-arduino17"
time="2025-01-20T07:01:00-08:00" level=info msg="Loading package builtin from: /Users/greg/Library/Arduino15/packages/builtin"
time="2025-01-20T07:01:00-08:00" level=info msg="Checking existence of 'tools' path: /Users/greg/Library/Arduino15/packages/builtin/tools"
time="2025-01-20T07:01:00-08:00" level=info msg="Loading tools from dir: /Users/greg/Library/Arduino15/packages/builtin/tools"
time="2025-01-20T07:01:00-08:00" level=info msg="Loaded tool" tool="builtin:ctags@5.8-arduino11"
time="2025-01-20T07:01:00-08:00" level=info msg="Loaded tool" tool="builtin:dfu-discovery@0.1.2"
time="2025-01-20T07:01:00-08:00" level=info msg="Loaded tool" tool="builtin:mdns-discovery@1.0.9"
time="2025-01-20T07:01:00-08:00" level=info msg="Loaded tool" tool="builtin:serial-discovery@1.4.1"
time="2025-01-20T07:01:00-08:00" level=info msg="Loaded tool" tool="builtin:serial-monitor@0.14.1"
time="2025-01-20T07:01:00-08:00" level=info msg="Adding libraries dir" dir=/Users/greg/Library/Arduino15/packages/arduino/hardware/avr/1.8.6/libraries isSingleLibrary=false location=platform
time="2025-01-20T07:01:00-08:00" level=info msg="Loading libraries index file" index=/Users/greg/Library/Arduino15/library_index.json
2025-01-20T15:01:00.636Z daemon INFO time="2025-01-20T07:01:00-08:00" level=info msg="Adding libraries dir" dir=/Users/greg/Library/Arduino15/libraries isSingleLibrary=false location=ide
time="2025-01-20T07:01:00-08:00" level=info msg="Adding libraries dir" dir=/Users/greg/Documents/Arduino/libraries isSingleLibrary=false location=user
2025-01-20T15:01:00.659Z discovery-log INFO start resolved watching
2025-01-20T15:01:00.775Z discovery-log INFO {"eventType":"add","port":{"matchingBoardsList":[],"port":{"address":"/dev/cu.BLTH","label":"/dev/cu.BLTH","protocol":"serial","protocolLabel":"Serial Port","propertiesMap":[],"hardwareId":""}},"error":""}
2025-01-20T15:01:00.777Z discovery-log INFO {"eventType":"add","port":{"matchingBoardsList":[],"port":{"address":"/dev/cu.Bluetooth-Incoming-Port","label":"/dev/cu.Bluetooth-Incoming-Port","protocol":"serial","protocolLabel":"Serial Port","propertiesMap":[],"hardwareId":""}},"error":""}
2025-01-20T15:01:01.091Z root INFO Deploy plugins list: 52.9 ms [Finished 2.170 s after backend start]
Opening channel for service path '/services/electron-window'.
Opening channel for service path '/services/ide-updater'.
2025-01-20T15:01:02.461Z root WARN Frontend a.configure took longer than the expected maximum 100 milliseconds: 260.4 ms [Finished 2.491 s after frontend start]
2025-01-20T15:01:02.464Z root WARN A command editor.action.toggleStickyScroll is already registered.
2025-01-20T15:01:02.529Z root WARN Frontend keybindings.onStart took longer than the expected maximum 100 milliseconds: 101.0 ms [Finished 2.624 s after frontend start]
2025-01-20T15:01:02.801Z root INFO Start frontend contributions: 686.4 ms [Finished 2.818 s after frontend start]
2025-01-20T15:01:02.802Z root INFO Changed application state from 'init' to 'started_contributions'.
2025-01-20T15:01:02.814Z root INFO Changed application state from 'started_contributions' to 'attached_shell'.
2025-01-20T15:01:02.815Z root INFO >>> Restoring the layout state...
2025-01-20T15:01:02.815Z root INFO <<< Nothing to restore.
2025-01-20T15:01:02.863Z root INFO Initialize the workbench layout: 28.1 ms [Finished 2.963 s after frontend start]
2025-01-20T15:01:02.884Z root INFO Changed application state from 'attached_shell' to 'initialized_layout'.
2025-01-20T15:01:03.088Z root INFO [d19f083e-3b94-47a8-8d14-a2fd4bcc60f4] Waiting for backend deployment: 407.1 ms [Finished 3.204 s after frontend start]
Checking for update
2025-01-20T15:01:04.526Z root INFO Replace loading indicator with ready workbench UI (animation): 933.5 ms [Finished 3.938 s after frontend start]
2025-01-20T15:01:04.526Z root INFO Changed application state from 'initialized_layout' to 'ready'.
2025-01-20T15:01:04.526Z root WARN Linked preference "workbench.colorCustomizations" not found.
2025-01-20T15:01:04.529Z root INFO Frontend application start: 2105.4 ms [Finished 5.547 s after backend start]
2025-01-20T15:01:04.540Z root INFO [hosted-plugin: 22464] PLUGIN_HOST(22464) starting instance
Update for version 2.3.4 is not available (latest version: 2.3.4, downgrade is allowed).
2025-01-20T15:01:05.570Z root ERROR ---- !!!SLOW!!! DURATION: search took 1045.033 ms. Args: [{"type":"Updatable"}] ----
2025-01-20T15:01:06.312Z root INFO [d19f083e-3b94-47a8-8d14-a2fd4bcc60f4] Sync of 23 plugins: 3202.8 ms [Finished 6.407 s after frontend start]
2025-01-20T15:01:06.314Z root INFO [d19f083e-3b94-47a8-8d14-a2fd4bcc60f4] Loading plugin contributions
2025-01-20T15:01:06.314Z root INFO [d19f083e-3b94-47a8-8d14-a2fd4bcc60f4] Load contributions of 23 plugins: 23.6 ms [Finished 6.431 s after frontend start]
2025-01-20T15:01:06.394Z root WARN 'cpp' language is remapped from 'source.cpp.embedded.macro' to 'source.cpp' scope
2025-01-20T15:01:06.395Z root WARN a registered grammar configuration for 'cpp' language is overridden
2025-01-20T15:01:06.509Z daemon INFO time="2025-01-20T07:01:06-08:00" level=info msg="Updating index" url="https://downloads.arduino.cc/packages/package_index.tar.bz2"
time="2025-01-20T07:01:06-08:00" level=info msg="Starting download" url="https://downloads.arduino.cc/libraries/library_index.tar.bz2"
time="2025-01-20T07:01:06-08:00" level=info msg="Starting download" url="https://downloads.arduino.cc/packages/package_index.tar.bz2"
2025-01-20T15:01:06.512Z root INFO core-client-provider [platform-index] Downloading index: package_index.tar.bz2

2025-01-20T15:01:06.514Z root INFO core-client-provider [library-index] Downloading index: library_index.tar.bz2

2025-01-20 07:01:06.814 Arduino IDE Helper (Renderer)[22457:815758] CoreText note: Client requested name ".NewYork-Regular", it will get TimesNewRomanPSMT rather than the intended font. All system UI font access should be through proper APIs such as CTFontCreateUIFontForLanguage() or +[NSFont systemFontOfSize:].
2025-01-20 07:01:06.814 Arduino IDE Helper (Renderer)[22457:815758] CoreText note: Set a breakpoint on CTFontLogSystemFontNameRequest to debug.
2025-01-20T15:01:07.092Z root ERROR [hosted-plugin: 22464] Conflict in settings file Default: Ignoring cortex-debug.armToolchainPath.linux as cortex-debug.armToolchainPath is null
2025-01-20T15:01:07.093Z root ERROR [hosted-plugin: 22464] Conflict in settings file Default: Ignoring cortex-debug.armToolchainPath.osx as cortex-debug.armToolchainPath is null
Conflict in settings file Default: Ignoring cortex-debug.armToolchainPath.windows as cortex-debug.armToolchainPath is null
Conflict in settings file Default: Ignoring cortex-debug.JLinkGDBServerPath.linux as cortex-debug.JLinkGDBServerPath is null
Conflict in settings file Default: Ignoring cortex-debug.JLinkGDBServerPath.osx as cortex-debug.JLinkGDBServerPath is null
Conflict in settings file Default: Ignoring cortex-debug.JLinkGDBServerPath.windows as cortex-debug.JLinkGDBServerPath is null
Conflict in settings file Default: Ignoring cortex-debug.openocdPath.linux as cortex-debug.openocdPath is null
Conflict in settings file Default: Ignoring cortex-debug.openocdPath.osx as cortex-debug.openocdPath is null
Conflict in settings file Default: Ignoring cortex-debug.openocdPath.windows as cortex-debug.openocdPath is null
Conflict in settings file Default: Ignoring cortex-debug.pyocdPath.linux as cortex-debug.pyocdPath is null
Conflict in settings file Default: Ignoring cortex-debug.pyocdPath.osx as cortex-debug.pyocdPath is null
Conflict in settings file Default: Ignoring cortex-debug.pyocdPath.windows as cortex-debug.pyocdPath is null
Conflict in settings file Default: Ignoring cortex-debug.PEGDBServerPath.linux as cortex-debug.PEGDBServerPath is null
Conflict in settings file Default: Ignoring cortex-debug.PEGDBServerPath.osx as cortex-debug.PEGDBServerPath is null
Conflict in settings file Default: Ignoring cortex-debug.PEGDBServerPath.windows as cortex-debug.PEGDBServerPath is null
Conflict in settings file Default: Ignoring cortex-debug.stutilPath.linux as cortex-debug.stutilPath is null
Conflict in settings file Default: Ignoring cortex-debug.stutilPath.osx as cortex-debug.stutilPath is null
Conflict in settings file Default: Ignoring cortex-debug.stutilPath.windows as cortex-debug.stutilPath is null
Conflict in settings file Default: Ignoring cortex-debug.stlinkPath.linux as cortex-debug.stlinkPath is null
Conflict in settings file Default: Ignoring cortex-debug.stlinkPath.osx as cortex-debug.stlinkPath is null
Conflict in settings file Default: Ignoring cortex-debug.stlinkPath.windows as cortex-debug.stlinkPath is null
Conflict in settings file Default: Ignoring cortex-debug.stm32cubeprogrammer.linux as cortex-debug.stm32cubeprogrammer is null
Conflict in settings file Default: Ignoring cortex-debug.stm32cubeprogrammer.osx as cortex-debug.stm32cubeprogrammer is null
Conflict in settings file Default: Ignoring cortex-debug.stm32cubeprogrammer.windows as cortex-debug.stm32cubeprogrammer is null
2025-01-20T15:01:07.134Z root INFO [hosted-plugin: 22464] PLUGIN_HOST(22464): PluginManagerExtImpl/init()
2025-01-20T15:01:07.136Z root INFO [hosted-plugin: 22464] PLUGIN_HOST(22464): initializing(vscode-arduino-api@0.1.2 with /Applications/Arduino IDE.app/Contents/Resources/app/lib/backend/plugin-vscode-init)
2025-01-20T15:01:07.238Z root INFO [hosted-plugin: 22464] PLUGIN_HOST(22464): initializing(cortex-debug@1.5.1 with /Applications/Arduino IDE.app/Contents/Resources/app/lib/backend/plugin-vscode-init)
2025-01-20T15:01:07.240Z root INFO [hosted-plugin: 22464] Debugger contribution has been registered: cortex-debug
2025-01-20T15:01:07.249Z root INFO [hosted-plugin: 22464] PLUGIN_HOST(22464): initializing(vscode-arduino-tools@0.1.3 with /Applications/Arduino IDE.app/Contents/Resources/app/lib/backend/plugin-vscode-init)
2025-01-20T15:01:07.257Z root INFO [hosted-plugin: 22464] PLUGIN_HOST(22464): initializing(cpp@1.52.1 with /Applications/Arduino IDE.app/Contents/Resources/app/lib/backend/plugin-vscode-init)
2025-01-20T15:01:07.258Z root INFO [hosted-plugin: 22464] PLUGIN_HOST(22464): initializing(json@1.46.1 with /Applications/Arduino IDE.app/Contents/Resources/app/lib/backend/plugin-vscode-init)
2025-01-20T15:01:07.260Z root INFO [hosted-plugin: 22464] PLUGIN_HOST(22464): initializing(json-language-features@1.46.1 with /Applications/Arduino IDE.app/Contents/Resources/app/lib/backend/plugin-vscode-init)
2025-01-20T15:01:07.266Z root INFO [hosted-plugin: 22464] PLUGIN_HOST(22464): initializing(vscode-language-pack-bg@1.48.3 with /Applications/Arduino IDE.app/Contents/Resources/app/lib/backend/plugin-vscode-init)
2025-01-20T15:01:07.268Z root INFO [hosted-plugin: 22464] PLUGIN_HOST(22464): initializing(vscode-language-pack-cs@1.80.0 with /Applications/Arduino IDE.app/Contents/Resources/app/lib/backend/plugin-vscode-init)
2025-01-20T15:01:07.269Z root INFO [hosted-plugin: 22464] PLUGIN_HOST(22464): initializing(vscode-language-pack-de@1.80.0 with /Applications/Arduino IDE.app/Contents/Resources/app/lib/backend/plugin-vscode-init)
2025-01-20T15:01:07.271Z root INFO [hosted-plugin: 22464] PLUGIN_HOST(22464): initializing(vscode-language-pack-es@1.80.0 with /Applications/Arduino IDE.app/Contents/Resources/app/lib/backend/plugin-vscode-init)
2025-01-20T15:01:07.277Z root INFO [hosted-plugin: 22464] PLUGIN_HOST(22464): initializing(vscode-language-pack-fr@1.80.0 with /Applications/Arduino IDE.app/Contents/Resources/app/lib/backend/plugin-vscode-init)
2025-01-20T15:01:07.282Z root INFO [hosted-plugin: 22464] PLUGIN_HOST(22464): initializing(vscode-language-pack-hu@1.48.3 with /Applications/Arduino IDE.app/Contents/Resources/app/lib/backend/plugin-vscode-init)
2025-01-20T15:01:07.285Z root INFO [hosted-plugin: 22464] PLUGIN_HOST(22464): initializing(vscode-language-pack-it@1.80.0 with /Applications/Arduino IDE.app/Contents/Resources/app/lib/backend/plugin-vscode-init)
2025-01-20T15:01:07.288Z root INFO [hosted-plugin: 22464] PLUGIN_HOST(22464): initializing(vscode-language-pack-ja@1.80.0 with /Applications/Arduino IDE.app/Contents/Resources/app/lib/backend/plugin-vscode-init)
2025-01-20T15:01:07.420Z root INFO [hosted-plugin: 22464] PLUGIN_HOST(22464): initializing(vscode-language-pack-ko@1.80.0 with /Applications/Arduino IDE.app/Contents/Resources/app/lib/backend/plugin-vscode-init)
2025-01-20T15:01:07.435Z root INFO [hosted-plugin: 22464] PLUGIN_HOST(22464): initializing(vscode-language-pack-nl@1.48.3 with /Applications/Arduino IDE.app/Contents/Resources/app/lib/backend/plugin-vscode-init)
2025-01-20T15:01:07.436Z root INFO [hosted-plugin: 22464] PLUGIN_HOST(22464): initializing(vscode-language-pack-pl@1.80.0 with /Applications/Arduino IDE.app/Contents/Resources/app/lib/backend/plugin-vscode-init)
2025-01-20T15:01:07.436Z root INFO [hosted-plugin: 22464] PLUGIN_HOST(22464): initializing(vscode-language-pack-pt-BR@1.80.0 with /Applications/Arduino IDE.app/Contents/Resources/app/lib/backend/plugin-vscode-init)
2025-01-20T15:01:07.437Z root INFO [hosted-plugin: 22464] PLUGIN_HOST(22464): initializing(vscode-language-pack-ru@1.80.0 with /Applications/Arduino IDE.app/Contents/Resources/app/lib/backend/plugin-vscode-init)
2025-01-20T15:01:07.438Z root INFO [hosted-plugin: 22464] PLUGIN_HOST(22464): initializing(vscode-language-pack-tr@1.80.0 with /Applications/Arduino IDE.app/Contents/Resources/app/lib/backend/plugin-vscode-init)
2025-01-20T15:01:07.438Z root INFO [hosted-plugin: 22464] PLUGIN_HOST(22464): initializing(vscode-language-pack-uk@1.48.3 with /Applications/Arduino IDE.app/Contents/Resources/app/lib/backend/plugin-vscode-init)
2025-01-20T15:01:07.439Z root INFO [hosted-plugin: 22464] PLUGIN_HOST(22464): initializing(vscode-language-pack-zh-hans@1.80.0 with /Applications/Arduino IDE.app/Contents/Resources/app/lib/backend/plugin-vscode-init)
2025-01-20T15:01:07.441Z root INFO [hosted-plugin: 22464] PLUGIN_HOST(22464): initializing(vscode-language-pack-zh-hant@1.80.0 with /Applications/Arduino IDE.app/Contents/Resources/app/lib/backend/plugin-vscode-init)
2025-01-20T15:01:07.509Z root INFO [hosted-plugin: 22464] PLUGIN_HOST(22464): PluginManagerExtImpl/loadPlugin(/Applications/Arduino IDE.app/Contents/Resources/app/plugins/vscode-arduino-api/extension/dist/extension.js)
2025-01-20T15:01:07.518Z root INFO [hosted-plugin: 22464] calling activation function on Arduino IDE API for VS Code extensions
2025-01-20T15:01:08.320Z root INFO [hosted-plugin: 22464] PLUGIN_HOST(22464): PluginManagerExtImpl/loadPlugin(/Applications/Arduino IDE.app/Contents/Resources/app/plugins/vscode-builtin-json-language-features/extension/client/dist/jsonMain)
2025-01-20T15:01:08.367Z root INFO [hosted-plugin: 22464] calling activation function on JSON Language Features (built-in)
2025-01-20T15:01:08.419Z root INFO [d19f083e-3b94-47a8-8d14-a2fd4bcc60f4] Starting plugins.
2025-01-20T15:01:08.516Z root INFO [hosted-plugin: 22464] PLUGIN_HOST(22464): PluginManagerExtImpl/loadPlugin(/Applications/Arduino IDE.app/Contents/Resources/app/plugins/cortex-debug/extension/dist/extension.js)
2025-01-20T15:01:08.586Z root INFO [hosted-plugin: 22464] Debug configuration provider has been registered: cortex-debug, trigger: 1
calling activation function on Cortex-Debug
2025-01-20T15:01:08.619Z root INFO [hosted-plugin: 22464] GDB server console created
2025-01-20T15:01:08.733Z root INFO [d19f083e-3b94-47a8-8d14-a2fd4bcc60f4] Start of 23 plugins: 2399.0 ms [Finished 8.847 s after frontend start]
2025-01-20T15:01:08.773Z root WARN Timeout after 5000 millis. The editor has not shown up in time. URI: file:///private/var/folders/hz/g9wxnq8147jd4khm6tqpqy3r3xx7lp/T/.arduinoIDE-unsaved2025020-22453-z9x9nb.2qc4k/sketch_jan20a/sketch_jan20a.ino
2025-01-20T15:01:10.406Z daemon INFO time="2025-01-20T07:01:10-08:00" level=info msg="Checking signature" index=/Users/greg/Library/Arduino15/package_index.json signatureFile=/Users/greg/Library/Arduino15/package_index.json.sig trusted=true
2025-01-20T15:01:10.407Z daemon INFO time="2025-01-20T07:01:10-08:00" level=info msg="Loading hardware from: /Users/greg/Library/Arduino15/packages"
2025-01-20T15:01:10.408Z daemon INFO time="2025-01-20T07:01:10-08:00" level=info msg="Loading package arduino from: /Users/greg/Library/Arduino15/packages/arduino/hardware"
2025-01-20T15:01:10.409Z daemon INFO time="2025-01-20T07:01:10-08:00" level=info msg="Adding monitor tool" protocol=serial tool="builtin:serial-monitor"
time="2025-01-20T07:01:10-08:00" level=info msg="Loaded platform" platform="arduino:avr@1.8.6"
time="2025-01-20T07:01:10-08:00" level=info msg="Checking existence of 'tools' path: /Users/greg/Library/Arduino15/packages/arduino/tools"
2025-01-20T15:01:10.410Z daemon INFO time="2025-01-20T07:01:10-08:00" level=info msg="Loading tools from dir: /Users/greg/Library/Arduino15/packages/arduino/tools"
2025-01-20T15:01:10.410Z daemon INFO time="2025-01-20T07:01:10-08:00" level=info msg="Loaded tool" tool="arduino:arduinoOTA@1.3.0"
time="2025-01-20T07:01:10-08:00" level=info msg="Loaded tool" tool="arduino:avr-gcc@7.3.0-atmel3.6.1-arduino7"
time="2025-01-20T07:01:10-08:00" level=info msg="Loaded tool" tool="arduino:avrdude@6.3.0-arduino17"
time="2025-01-20T07:01:10-08:00" level=info msg="Loading package builtin from: /Users/greg/Library/Arduino15/packages/builtin"
time="2025-01-20T07:01:10-08:00" level=info msg="Checking existence of 'tools' path: /Users/greg/Library/Arduino15/packages/builtin/tools"
time="2025-01-20T07:01:10-08:00" level=info msg="Loading tools from dir: /Users/greg/Library/Arduino15/packages/builtin/tools"
2025-01-20T15:01:10.410Z daemon INFO time="2025-01-20T07:01:10-08:00" level=info msg="Loaded tool" tool="builtin:ctags@5.8-arduino11"
time="2025-01-20T07:01:10-08:00" level=info msg="Loaded tool" tool="builtin:dfu-discovery@0.1.2"
time="2025-01-20T07:01:10-08:00" level=info msg="Loaded tool" tool="builtin:mdns-discovery@1.0.9"
time="2025-01-20T07:01:10-08:00" level=info msg="Loaded tool" tool="builtin:serial-discovery@1.4.1"
2025-01-20T15:01:10.411Z daemon INFO time="2025-01-20T07:01:10-08:00" level=info msg="Loaded tool" tool="builtin:serial-monitor@0.14.1"
2025-01-20T15:01:10.413Z discovery-log INFO {"eventType":"remove","port":{"matchingBoardsList":[],"port":{"address":"/dev/cu.BLTH","label":"/dev/cu.BLTH","protocol":"serial","protocolLabel":"Serial Port","propertiesMap":[],"hardwareId":""}},"error":""}
2025-01-20T15:01:10.414Z discovery-log INFO {"eventType":"remove","port":{"matchingBoardsList":[],"port":{"address":"/dev/cu.Bluetooth-Incoming-Port","label":"/dev/cu.Bluetooth-Incoming-Port","protocol":"serial","protocolLabel":"Serial Port","propertiesMap":[],"hardwareId":""}},"error":""}
2025-01-20T15:01:10.414Z daemon INFO time="2025-01-20T07:01:10-08:00" level=info msg="Discovery event channel closed builtin:serial-discovery. Exiting goroutine."
time="2025-01-20T07:01:10-08:00" level=info msg="Closed and removed discovery builtin:serial-discovery"
time="2025-01-20T07:01:10-08:00" level=error msg="Stopped decode loop: EOF" discovery="builtin:serial-discovery"
2025-01-20T15:01:10.415Z daemon INFO time="2025-01-20T07:01:10-08:00" level=error msg="Stopped decode loop: EOF" discovery="builtin:mdns-discovery"
time="2025-01-20T07:01:10-08:00" level=info msg="Closed and removed discovery builtin:mdns-discovery"
2025-01-20T15:01:10.415Z daemon INFO time="2025-01-20T07:01:10-08:00" level=info msg="Discovery event channel closed builtin:mdns-discovery. Exiting goroutine."
2025-01-20T15:01:10.427Z discovery-log INFO {"eventType":"add","port":{"matchingBoardsList":[],"port":{"address":"/dev/cu.BLTH","label":"/dev/cu.BLTH","protocol":"serial","protocolLabel":"Serial Port","propertiesMap":[],"hardwareId":""}},"error":""}
2025-01-20T15:01:10.427Z discovery-log INFO {"eventType":"add","port":{"matchingBoardsList":[],"port":{"address":"/dev/cu.Bluetooth-Incoming-Port","label":"/dev/cu.Bluetooth-Incoming-Port","protocol":"serial","protocolLabel":"Serial Port","propertiesMap":[],"hardwareId":""}},"error":""}
2025-01-20T15:01:10.437Z daemon INFO time="2025-01-20T07:01:10-08:00" level=info msg="Adding libraries dir" dir=/Users/greg/Library/Arduino15/packages/arduino/hardware/avr/1.8.6/libraries isSingleLibrary=false location=platform
2025-01-20T15:01:10.437Z daemon INFO time="2025-01-20T07:01:10-08:00" level=info msg="Loading libraries index file" index=/Users/greg/Library/Arduino15/library_index.json
2025-01-20T15:01:10.675Z daemon INFO time="2025-01-20T07:01:10-08:00" level=info msg="Adding libraries dir" dir=/Users/greg/Library/Arduino15/libraries isSingleLibrary=false location=ide
time="2025-01-20T07:01:10-08:00" level=info msg="Adding libraries dir" dir=/Users/greg/Documents/Arduino/libraries isSingleLibrary=false location=user


Turns out another reboot fixed the problem.

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