Re: kern/54317: System hang during boot

[Martin Husemann <martin%duskware.de@localhost>]

On Sat, Jul 20, 2019 at 03:30:02PM +0000, Thomas Klausner wrote:
>  Well, if it makes machines hang, that's a reason to improve the driver
>  or disable it, in my eyes.

We should find out what is up. I also use the driver on a daily basis.

>  I replaced it with "com* at acpi*" but no com device was detected (and
>  there are no serial connectors on the outside of the machine). So not
>  even ACPI believes it has a serial interface, and still com0 at isa*
>  attaches.

Many chipsets have the com hardware build in, but either no connector is
run to the outside of the box (only a header on the mainboard), or it is
not connected at all. Usually this is documented in the mainboard manual.

Martin