Pyserial and Ubuntu Linux kernel 3.13.0-65-generic

Tue Oct 6 17:51:38 EDT 2015

In a message of 2015年10月06日 21:31:02 -0000, Grant Edwards writes:
>On 2015年10月03日, Laura Creighton <lac at openend.se> wrote:
>>> https://bugs.launchpad.net/ubuntu/+source/linux-lts-trusty/+bug/1501345
>> seems to be about a whole lot of serial ports to me, not just FTDI
>>We just ran into the OP's problem where I work: Ununtu kernel updated
>and all serial ports stopped working (it isn't just an FTDI problem). 
>>Booting with the previous kernel makes the serial ports work again.
>>What I'm trying to figure out: is this something _Ubuntu_ did so that
>only affects Ubuntu kernels? [I haven't seen it mentioned on the
>linux-serial mailing list, and nobody other than Ubuntu users seem to
>have the problem, so I think the answer to my question is "yes".]
>>-- 
>Grant Edwards grant.b.edwards Yow! Am I SHOPLIFTING?
> at 
> gmail.com 

Upstream from ubuntu is debian.
I am running debian unstable.
I did a kernel update, all my serial ports work fine,
but since I don't have a simple script to test if
I have the problem, I cannot swear for certain ubuntu did it ...
Laura