acpi on msi-9218 (-current) swaps sio0 and sio1

John Baldwin jhb at freebsd.org
Wed Jul 5 13:57:42 UTC 2006


On Thursday 29 June 2006 17:51, othermark wrote:
> 
> With acpi loaded on a msi-9218 motherboard, I'm seeing sio0 and sio1
> get 'swapped.'  Even though the kernel is compiled for console on 0x3f8,
> I've had to change the /etc/ttys to use ttyd1 so login is displayed when
> the system is booted.   
> 
> Empirically, this tells me that 0x3f8 is correct for sio0 (since the kernel
> and boot loader display fine using it as comconsole).   
> 
> Is there a way to force this to be consistant?   This is -current from Jun
> 8.  I will try a more recent kernel soon.   The following is a verbose boot
> log.  

This is because your BIOS lists them backwards in the ASL.  There isn't a
workaround currently short of fixing your ASL to list them in the COM1/COM2
order and building a custom dsdt.

-- 
John Baldwin


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