Arduino IDE serial ports not working on EL Capitan OSX

[HBRancher]

Anyone know how to fix Arduino IDE serial port lockup on EL Capitan OSX ??
Thanks

[matthijskooijman]

You are the first to report this issue, so could you please provide more details? What happens exactly? What did you expect? Any error messages / verbose output you could add?

[wizardofwords]

Hi Matthijs Kooijman,

I have the very same problem.

Arduino IDE does no longer show "tty" ports in port list, but just "cu", even if device "/dev/tty.usbmodem1A21" looks to be correctly created when USB cable is connected.
Second, when I try to transfer any sketch, after compilation and link, when it tries to transfer datas to my genuine Arduino UNO, process gets stuck completely and no return error is reported.
My bluetooth mouse also get stuck, while, fortunately, touch pad still works, so I can close Arduino IDE. My Mac fan, that usually can be barely heard, starts to slowly to increase its speed till maximum.

If I run again Arduino IDE in this situation, it reports no USB port at all, even if I disconnect and reconnect my Arduino UNO.

The only way to stop these effects is to turn off and back on my Mac.

I hope I gave you enough elements to start to catch this issue, that has completely stacked my project.

I look forward you hearing from you.

Best Regards.

Luca Moscardini

[facchinm]

Note to self:
see serialport/node-serialport#607 for a clever fix

[wizardofwords]

Hi Martino,

Unfortunately I had no success: “nam install tmpvar/node-serialport#el-capitan” returns a long list of errors (see below), so I still can’t fix that issue.

Please also find attached a copy of the file “npm-debug.log”.

I look forward to hearing from you.

Best Regards.

Luca Moscardini

npm ERR! git rev-list -n1 el-capitan: fatal: ambiguous argument 'el-capitan': unknown revision or path not in the working tree.
npm ERR! git rev-list -n1 el-capitan: Use '--' to separate paths from revisions, like this:
npm ERR! git rev-list -n1 el-capitan: 'git [...] -- [...]'
npm ERR! git rev-list -n1 el-capitan: ls -l
npm ERR! git rev-list -n1 el-capitan: fatal: ambiguous argument 'el-capitan': unknown revision or path not in the working tree.
npm ERR! git rev-list -n1 el-capitan: Use '--' to separate paths from revisions, like this:
npm ERR! git rev-list -n1 el-capitan: 'git [...] -- [...]'
npm ERR! git rev-list -n1 el-capitan:
npm ERR! git clone --template=/Users/luca/.npm/_git-remotes/_templates --mirror git@github.com:tmpvar/node-serialport.git /Users/luca/.npm/_git-remotes/git-github-com-tmpvar-node-serialport-git-bde745f9: Cloning into bare repository '/Users/luca/.npm/_git-remotes/git-github-com-tmpvar-node-serialport-git-bde745f9'...
npm ERR! git clone --template=/Users/luca/.npm/_git-remotes/_templates --mirror git@github.com:tmpvar/node-serialport.git /Users/luca/.npm/_git-remotes/git-github-com-tmpvar-node-serialport-git-bde745f9: Permission denied (publickey).
npm ERR! git clone --template=/Users/luca/.npm/_git-remotes/_templates --mirror git@github.com:tmpvar/node-serialport.git /Users/luca/.npm/_git-remotes/git-github-com-tmpvar-node-serialport-git-bde745f9: fatal: Could not read from remote repository.
npm ERR! git clone --template=/Users/luca/.npm/_git-remotes/_templates --mirror git@github.com:tmpvar/node-serialport.git /Users/luca/.npm/_git-remotes/git-github-com-tmpvar-node-serialport-git-bde745f9:
npm ERR! git clone --template=/Users/luca/.npm/_git-remotes/_templates --mirror git@github.com:tmpvar/node-serialport.git /Users/luca/.npm/_git-remotes/git-github-com-tmpvar-node-serialport-git-bde745f9: Please make sure you have the correct access rights
npm ERR! git clone --template=/Users/luca/.npm/_git-remotes/_templates --mirror git@github.com:tmpvar/node-serialport.git /Users/luca/.npm/_git-remotes/git-github-com-tmpvar-node-serialport-git-bde745f9: and the repository exists.
npm ERR! Darwin 15.0.0
npm ERR! argv "/usr/local/Cellar/node/4.2.1/bin/node" "/usr/local/bin/npm" "install" "tmpvar/node-serialport#el-capitan"
npm ERR! node v4.2.1
npm ERR! npm v2.14.7
npm ERR! code 128

npm ERR! Command failed: git clone --template=/Users/luca/.npm/_git-remotes/_templates --mirror git@github.com:tmpvar/node-serialport.git /Users/luca/.npm/_git-remotes/git-github-com-tmpvar-node-serialport-git-bde745f9
npm ERR! Cloning into bare repository '/Users/luca/.npm/_git-remotes/git-github-com-tmpvar-node-serialport-git-bde745f9'...
npm ERR! Permission denied (publickey).
npm ERR! fatal: Could not read from remote repository.
npm ERR!
npm ERR! Please make sure you have the correct access rights
npm ERR! and the repository exists.
npm ERR!
npm ERR!
npm ERR! If you need help, you may report this error at:
npm ERR! https://github.com/npm/npm/issues

npm ERR! Please include the following file with any support request:
npm ERR! /Users/luca/particle-cli/npm-debug.log

Il giorno 14 ott 2015, alle ore 15:57, Martino Facchin notifications@github.com ha scritto:

Note to self:
see serialport/node-serialport#607 serialport/node-serialport#607 for a clever fix

—
Reply to this email directly or view it on GitHub #3928 (comment).

[facchinm]

Sorry Luca, my message was intended as a reminder for myself, not a real way to solve the issue.
We'll tackle this very soon I promise 😄

[wizardofwords]

Hi Martino,
Thanks so much for your time, I really appreciate that.
I would greatly apreciate also if you could recommend even a temporary solution to that issue.
Thanking you in advance, I look forward to hearing from you.
Kind Regards.

Luca Moscardini

-------- Messaggio originale --------
Da: Martino Facchin notifications@github.com
Data: 20/10/2015 09:57 (GMT+01:00)
A: arduino/Arduino Arduino@noreply.github.com
Cc: wizardofwords wizardofwords@gmail.com
Oggetto: Re: [Arduino] Arduino IDE serial ports not working on EL Capitan OSX
(#3928)

Sorry Luca, my message was intended as a reminder for myself, not a real way to solve the issue.

We'll tackle is very soon I promise

—
Reply to this email directly or view it on GitHub.

[HBRancher]

Unfortunately, he only fix that I have found, so far, is the return to Yosemite.... I've reported the problem to Apple... Under El Capitan, any use of the USB ports would lockup my Bluetooth keyboard and mouse. So, either the drivers from the Arduino must be re-written.... or... there is actually a bug in El Capitan....
Good Luck to all.... I'm also still waiting for any solutions...

[tmpvar]

Heads up, the pull request @facchinm mentioned has been landed and is included in serialport@2.0.1

npm install serialport@latest should bring in these changes if you (@wizardofwords) wanted to try again!

[michaelemery]

This issue is not a bug, but rather the result of Apple's new System Integrity Protection (SIP) policy called "Rootless". Rootless was introduced with the launch of El Capitan. The effect of Rootless is that many applications and drivers (such as those required for your USB serial connections) will no longer operate correctly. Third party vendors must modify their drivers and applications in order to comply with the new policy.

There are "fixes" floating around the internet that require you to manually disable certain El Capitan security protection features – it is not recommended that you implement these fixes as they are either dangerous, or opportunistic security scams. The only thing you can really do is wait for third party vendors to rewrite their software.

Unfortunately, this is not the answer anyone wanted to hear.

[Dark-Archer]

You say that 'Third Party Vendors' need to re-write their software, Does this mean that genuine Arduino boards will still work?