Re: sio => uart: one port is gone

On Sep 15, 2008, at 5:49 AM, Andriy Gapon wrote:

>
> This is a fairly standard and old machine with 2 COM ports.
> Recently (last Friday) I decided to update my RELENG_7 system and  
> also to transition from sio to uart.
>
> This what I had before the upgrade:
> kernel: sio0: <16550A-compatible COM port> port 0x3f8-0x3ff irq 4  
> flags 0x10 on acpi0
> kernel: sio0: type 16550A
> kernel: sio0: [FILTER]
> kernel: sio1: <16550A-compatible COM port> port 0x2e8-0x2ef irq 3 on  
> acpi0
> kernel: sio1: type 16550A
> kernel: sio1: [FILTER]
>
> This is what I have now:
> uart0: <16550 or compatible> at port 0x3f8-0x3ff irq 4 flags 0x10 on  
> isa0
> uart0: [FILTER]
>
> This is what I have in device.hints for uart:
> hint.uart.0.at="isa"
> hint.uart.0.port="0x3F8"
> hint.uart.0.flags="0x10"
> hint.uart.0.irq="4"
> hint.uart.1.at="isa"
> hint.uart.1.port="0x2F8"
> hint.uart.1.irq="3"
> hint.uart.2.at="isa"
>
> Precisely the same hints (s/uart/sio/) I had for sio.

The hints are bogus. As you can see, sio(4) attached to acpi(4),
whereas uart(4) attaches to isa(4).

Don't compile ACPI as a kernel module and all is fine.

-- 
Marcel Moolenaar
xcllnt_at_mac.com