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Re: [Xen-devel] How to enable serial driver on 2.6.18 for Intel DQ35JO?

  • To: "Neo Jia" <neojia@xxxxxxxxx>
  • From: "Grzegorz Miłoś" <gm281@xxxxxxxxx>
  • Date: Fri, 20 Jun 2008 09:41:47 +0100
  • Cc: xen-devel@xxxxxxxxxxxxxxxxxxx
  • Delivery-date: Fri, 20 Jun 2008 01:42:12 -0700
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  • List-id: Xen developer discussion <xen-devel.lists.xensource.com>

> I need to use the onboard serial port to debug DomU. But I can't see
> it from the dmesg | grep tty output.

Serial port is (usually) assigned to Xen + Dom0. You can however use
xencons to debug your DomU.
Gerd Hoffman's XenSummit presentation is a good resource to learn about xencons:

In my DomU config files I have:
extra = "console=xvc0 xencons=xvc"
This should be enough to get you started.


> Is there anybody can use this board to debug DomU?
> Thanks,
> Neo
> --
> I would remember that if researchers were not ambitious
> probably today we haven't the technology we are using!
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