sio0: port may not be enabled

[Marcel Moolenaar]

On Apr 21, 2007, at 1:07 AM, Stefan Lambrev wrote:

>>> Some systems apparently tie the serial port to ACPI functionality  
>>> in a
>>> different way.  For example, I have a couple boxes which have sio0
>>> attached to acpi0 that work fine.  In some other cases, I have ones
>>> which result in a non-working serial port unless I disable ACPI  
>>> (thus
>>> sio0 shows up as being attached to isa0).
>>
>> Could you try uart(4) instead. It seems quite excessive to have to
>> disable ACPI just to get a serial port working. I'd like to know
>> if this is related to the sio(4) driver or something else.
> This did the trick:
>
> uart0: <16550 or compatible> port 0x3f8-0x3ff irq 4 on acpi0
> uart1: <16550 or compatible> port 0x2f8-0x2ff irq 3 on acpi0
>
> ports are swapped but this is probably because I swap them in bios,  
> but this is ok.
> Serial is working and now I can start working on the main problem :)
> So it's not acpi problem, but instead problem with sio?

So it appears.

-- 
Marcel Moolenaar
xcllnt at mac.com