Serial port stops working after upgrade to 9-CURRENT

[Sergey Listopad]

2012/1/20 Sergey Listopad <psychosensor at gmail.com>:
> After system upgrade from 8.2-CURRENT to 9.0-CURRENT serial port
> (motherboard integrated) stops working.
>
> FreeBSD ferma.loc 9.0-STABLE FreeBSD 9.0-STABLE #2: Fri Jan 20
> 15:50:06 EET 2012     root at ferma.loc:/usr/obj/usr/src-8/sys/RT  i386
>
>> dmesg | grep -E '^uart[0-9]'
> uart0: <16550 or compatible> at port 0x3f8-0x3ff irq 4 flags 0x10 on isa0
> uart0: <16550 or compatible> at port 0x3f8-0x3ff irq 4 flags 0x10 on isa0
>
>> grep uart /boot/device.hints
> 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"
>
>> config -x /boot/kernel/kernel  | egrep 'uart|sio'
> device  uart_ns8250
> device  uart
>
> Where can i search the problem?
>

I have compiled  GENERIC and serial works fine. So problem in
"customized" kernel. Investigation later. Thanks.

-- 
S.Listopad