[chirp_users] Chirp on MAC OS X Yosemity

[Pat Anderson]

I too went from Lion to Yosemite on my 2011 Macbook Pro.  Biggest mistake I
have made with any computer ever.  I do not have an answer for you. When
anybody finds an answer, it deserves a page of its own on Miklor.com.  I
have tried everything, I though I had it with this technique, it seemed to
work for a while and then it just stopped working as well.  But you can try
it, good luck and let us know how it works for you:

Here is what I found. The driver is the issue with Yosemite.  The built-in
FTDI driver prevents the osx-pl2303 driver from loading.  The fix (not for
the faint of heart) is to do some black magic at the command line.

In Terminal, enter:

sudo nvram boot-args="kext-dev-mode=1"

This allows other (unsigned) drivers to load.  The driver that works for me
is the Lion driver from miklor.com.

Then manually load the driver (first time only,  it will load automatically
after that) with this command in Terminal:

sudo kextload /System/Library/Extensions/osx-pl2303.kext

This creates the device cu.PL2303-000012FD, be sure that is what you select
in the CHIRP Radio dialog in the Port drop-down. Again in the Terminal, do
"cd /dev", and then "ls" (without the quotes) to  see that the
cu.PL2303-000012FD driver is actually loaded.



On Sun, Jul 19, 2015 at 2:46 PM, Roos G Mats <mats.g.roos at gmail.com> wrote:

>
>> Hi I just upgraded my MAC from Lion 10.7 to OS XYosemite 10.10.4,
> everything with Chirp has been working great till I did the upgrade, does
> anyone have the “magic” solution?  What needs to be added?  New Drivers ?
> or ??
>
> Thankful for help
>
> Mats
>
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