Re: 2.6.24: Serial disabled in BIOS but serial modules still loaded (probably PnP related)

[David Newall <david@davidnewall.com>]

Michael H. Warfield wrote:
> On Sat, 2007-11-24 at 23:36 +0300, Andrey Borzenkov wrote:
>   
> > I have no COM port on notebook (without port replicator which I do not have)
> > so COM is disabled in BIOS. No ttyS* is detected during boot (and no device
> > created) but I just noticed that serial modules are still loaded. Well, this
> > partially defeats the purpose of disabling COM port - the intention was to
> > free resources by *not* loading unneeded modules ...
> >     
>
>   
> > This may have something to do with (ACPI) PnP which apparently believes COM is alive.
> > Notebook is Toshiba Portege 4000.
> >     
>
> 	Nice...  What's this then?
>
>   
> > 00:09 PNP0501 16550A-compatible serial port
> >     state = active
> >         io 0x3f8-0x3ff
> >         irq 5
> >     

This doesn't mean that a port (ie connector) is present.  My notebook 
also has the electronics without the physical connector.
-
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@vger.kernel.org
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/