Pyserial and Ubuntu Linux kernel 3.13.0-65-generic

[Laura Creighton]

In a message of Tue, 06 Oct 2015 21:31:02 -0000, Grant Edwards writes:
>On 2015-10-03, 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