[RndTbl] Need help with serial connection
kevin.a.mcgregor at gmail.com
Fri May 27 15:25:03 CDT 2011
No frame buffer is present. I just want to manage the machine via serial
port for now. You can't use the management port until you've installed the
OS and configured it, is my understanding.
On Fri, May 27, 2011 at 2:28 PM, Adam Thompson <athompso at athompso.net>wrote:
> Not if there's a frame buffer installed. And that sound like you're in the
> host serial port, not the management port. Which do you want to be
> connected to?
> Kevin McGregor <kevin.a.mcgregor at gmail.com> wrote:
> >Do I have the wrong cable? I think it's one of those ones used to attach
> >Cisco equipment, 9-pin RS-232 to RJ-45.
> >I had it working, briefly, but it stopped again. I think it had booted
> >the CD, and was pouring out messages about a buffer overflow plus a
> >language-selection menu (repeatedly) as fast as 9600 bps would allow. Then
> >removed the CD and rebooted and now nothing. With a Sun Fire, shouldn't I
> >able to turn the front-panel switch to "Normal" and press the power
> >I did that, and I'm getting nothing on the serial interface. I should be
> >getting POST messages at least.
> >On Fri, May 27, 2011 at 10:43 AM, Adam Thompson <athompso at athompso.net
> >> Turn off hardware flow control (RTS/CTS or DTS/DSR) and use software
> >> control (XON/XOFF) instead.
> >> Also, if you don't want to use minicom, (the modem AT initialization is
> >> pain to turn off completely) just use screen instead:
> >> "screen /dev ttys0 9600"
> >> -Adam
> >> Kevin McGregor <kevin.a.mcgregor at gmail.com> wrote:
> >> >This is driving me nuts, since it was working and now it isn't and I
> >> no
> >> >idea what has changed. I hope someone can help.
> >> >
> >> >I have a SunFire V490 at work. I also have a HP ProLiant server in the
> >> same
> >> >rack, which is running Ubuntu Server 10.04. I've got the weird cyan
> >> >cable plugged in to the lone serial port on the ProLiant and the other
> >> >plugged into the V490 port ("SERIAL"). I've got minicom running on the
> >> Linux
> >> >box configured for 9600, 8N1 on /dev/ttyS0. minicom's status line
> >> >"OFFLINE", and I get no response to any keyboard input.
> >> >
> >> >What's wrong? I can freely power off/on the SunFire and anything else I
> >> want
> >> >to do with it. I have the keys for the front panel, too. Do I have to
> >> switch
> >> >it to diagnostics mode or something? We had it working before, and it
> >> >quite easy.
> >> >
> >> >Help!
> >> >
> >> >Kevin
> >> >
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