On Oct 27, 2015, at 2:15 AM, pd-list-request@lists.iem.at wrote:

From: Roman Haefeli <reduzent@gmail.com>

Date: October 26, 2015 at 12:59:16 PM MDT

To: pd-list@lists.iem.at

Subject: Re: [PD] [comport] crashes system (Ubuntu 11.10) when USB from Arduino gets disconnected by mistake

On Mon, 2015-10-26 at 18:24 +0100, Ingo wrote:

I'm on an old Ubuntu (11.10) and Pd-extended 0.42.5 - possibly a newer version would help.
Here Pd-extended freezes and I cannot shut down Pd or Ubuntu anymore.

Ah, I should've read until here before posting. It's definitely a too
old version of [comport] in that Pd-extended build. 

You still could compile comport by simply doing 'make' in the comport
directory after doing: 

git clone http://git.puredata.info/cgit/svn2git/libraries/comport.git/

Roman