[CentOS] Centos 7 add-on serial cards

Mon Jan 29 01:15:17 UTC 2018
Fred Smith <fredex at fcshome.stoneham.ma.us>

On Sun, Jan 28, 2018 at 12:10:29PM -0500, Pete Geenhuizen wrote:
> I'm upgrading from CentOS6 to CentOS 7.
> I run 2 weather stations on C6 and have one of them attached to
> ttyS0 which is on the motherboard, and the other to ttyS2 which in
> on an add-on PCI serial card.
> I'm migrating the weather stations another host running C7 which has
> a similar hardware configuration.  When I connect the weather
> station to ttyS0 everything works fine, but when I try to use ttyS1
> or ttyS2 nothing happens.
> The OS identifies all 3 ports, and I've already tried several
> different serial cards several of the slots on the motherboard all
> have yielded the same result.  I've even gone so far as to try to
> get this to work on another computer running C7 with the same
> result, success on ttyS0, but nothing nothing when I try ttyS1 or
> ttyS2.
> I'm thinking that this might be a driver issue, but having used
> several different cards I'm just not sure.
> Any assistance would be greatly appreciated.
> Pete

Wondering if you've tried poking at them with 'setserial'?

---- Fred Smith -- fredex at fcshome.stoneham.ma.us -----------------------------
                      The eyes of the Lord are everywhere, 
                    keeping watch on the wicked and the good.
----------------------------- Proverbs 15:3 (niv) -----------------------------