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Date:      Wed, 12 Nov 2008 22:23:50 +0100
From:      Ed Schouten <ed@80386.nl>
To:        Anton Yuzhaninov <citrin@citrin.ru>
Cc:        FreeBSD Current <freebsd-current@freebsd.org>
Subject:   Re: serial console in current
Message-ID:  <20081112212350.GB81783@hoeg.nl>
In-Reply-To: <491B41F3.9030307@citrin.ru>
References:  <491B3161.7000808@citrin.ru> <20081112203501.GA81783@hoeg.nl> <491B41F3.9030307@citrin.ru>

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* Anton Yuzhaninov <citrin@citrin.ru> wrote:
> On 12.11.2008 23:35, Ed Schouten wrote:
>> * Anton Yuzhaninov <citrin@citrin.ru> wrote:
>>> How to setup serial console in current?
>>>
>>> Settings, which works in RELENG_7, no longer help in CURRENT.
>>>
>>> $ cat /boot.config
>>> -P
>>> $ fgrep ttyu0 /etc/ttys
>>> ttyu0  "/usr/libexec/getty std.9600"   cons25  on  secure
>>> $ dmesg | fgrep uart
>>> uart0: <16550 or compatible> port 0x3f8-0x3ff irq 4 flags 0x10 on acpi0
>>> uart0: [FILTER]
>>> uart1: <16550 or compatible> port 0x2f8-0x2ff irq 3 on acpi0
>>> uart1: [FILTER]
>>> $ uname -a
>>> FreeBSD citrin.park.rambler.ru 8.0-CURRENT FreeBSD 8.0-CURRENT #1: Wed =
Nov 12 18:42:45 MSK 2008     citrin@citrin.park.rambler.ru:/usr/obj/usr/src=
/sys/GENERIC  amd64
>>
>> As mentioned in /usr/src/UPDATING - don't forget to update
>> /boot/device.hints. Let me know if you run into any problems.
>>
>
> /boot/device.hints was updated
>
> $ fgrep -h uart.0 /boot/device.hints
> hint.uart.0.at=3D"isa"
> hint.uart.0.port=3D"0x3F8"
> hint.uart.0.flags=3D"0x10"
> hint.uart.0.irq=3D"4"
>
> If ttyu0 commented out in /etc/ttys I can write text to remote machine us=
ing
> cu -l /dev/ttyu0

Maybe there's a difference between uart(4) and sio(4) w.r.t.
carrier-detect handling? What happens if you change ttyu0 to cuau0 in
/etc/ttys? This is not a proper solution, but it should give us some
more insight.

--=20
 Ed Schouten <ed@80386.nl>
 WWW: http://80386.nl/

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