Cool, thanks. So maybe xen will just see it as com1 - Tim, you can try that
instead of com4 but you will still have to specify the IO port for xen as below.
Thanks
Ross
-----Original Message-----
From: Pasi Kärkkäinen [mailto:pasik@xxxxxx]
Sent: Monday, April 27, 2009 3:02 PM
To: Ross Philipson
Cc: Tim Kaufmann; xen-devel
Subject: Re: [Xen-devel] No VT-d with Xen 3.3/3.4rc3 on Intel-Board DQ45CB
On Mon, Apr 27, 2009 at 02:39:40PM -0400, Ross Philipson wrote:
> So using com4, you will need something like this:
>
> xen.gz console=com4 com4=115200,8n1,0xe1c0,0
>
> Note that 0xe1c0 is the IO port for the KT Controller below. Give that a
> shot. I am interested to see if this works since this would be a useful
> method of debugging.
>
This is my DQ35JO configuration for AMT/SOL remote console (that server is NOT
running Xen though):
grub.conf:
# Intel AMT serial-over-lan console
serial --port=0x3440 --speed=115200
terminal --timeout=10 console serial
kernel /vmlinuz-2.6.18-128.1.6.el5 ro root=.. console=ttyS1,115200n8
console=tty0
0x3440 is the IOport for AMT serial port from lspci.
Linux detects DQ35JO AMT serial port as ttyS1.
Then I connect to the serial console from a Linux desktop using "gamt" tool.
Hopefully that helps.
-- Pasi
> Thanks
> Ross
>
> -----Original Message-----
> From: Tim Kaufmann [mailto:tk@xxxxxxxxxx]
> Sent: Monday, April 27, 2009 2:31 PM
> To: Ross Philipson
> Cc: xen-devel
> Subject: Re: [Xen-devel] No VT-d with Xen 3.3/3.4rc3 on Intel-Board DQ45CB
>
>
> > connect the tools.
>
> Done.
>
> > Then you can setup the xen command line to do serial tracing - try
> > it first with COM4.
>
> A hint on how to *properly* set this up would be very welcome.
>
> > Also can you send a more verbose lspci trace (lspci -vv e.g.)?
>
> Attached.
>
> Tim
>
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