serial console on 8.x (probably sio vs uart)

[Julian Elischer]

Peter Wemm wrote:
> On Thu, Sep 11, 2008 at 8:39 PM, Marcel Moolenaar <xcllnt at mac.com> wrote:
>> On Sep 11, 2008, at 7:09 PM, Garance A Drosihn wrote:
>>
>>> After I boot up, the only /dev/tty* devices I have are ttyv0
>>> through ttyvf.  I've installed the new /etc/ttys and a new
>>> /boot/device.hints, though frankly device.hints has always
>>> been a magic-box to me, so I just blindly copied what was in
>>> GENERIC.hints and changed hint.uart.0.flags to be "0x30".
>> uart(4) does tell you when it's the console:
>>
>> uart0: <16550 or compatible> port 0x3f8-0x3ff irq 4 on acpi0
>> uart0: [FILTER]
>> uart0: console (115200,n,8,1)
>>
>> The first question is: do you see a line like the one above?
>> If not (most likely), try to boot explicitly with a serial
>> console (i.e. set boot_serial=yes at the loader prompt or
>> boot with -h).
> 
> He probably also needs to update his /boot/device.hints file.
> (change sio to uart)

I think uart should read  'sio' entries if there is no sio in the 
kernel, and it hasn't found any uart entries..

>