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Re: [Xen-devel] Serial console problem with Xen 3.0

To: Amitayu Das <amitayudas@xxxxxxxxx>
Subject: Re: [Xen-devel] Serial console problem with Xen 3.0
From: "Stephen C. Tweedie" <sct@xxxxxxxxxx>
Date: Fri, 07 Apr 2006 09:27:40 -0400
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On Wed, 2006-04-05 at 00:40 -0400, Amitayu Das wrote:

> 1. I can boot normal Linux FC4 kernel and direct its output to serial
> console (and see the messages in a separate monitor) using the options
> as mentioned in the grub.conf.
>     If I do the exactly the same (meaning, whatever you can see as
> uncommeted lines in the xen-related portion of the grub.conf),
>     I can't see the messages in the separate monitor.

Right, because you commented out the xen.gz com1=... line, so there's no
HV serial console.  You need that enabled.

> 2. If I uncomment the third line in the following:
> #       kernel /xen.gz dom0_mem=131072 com1=9600,8n1

> then Xen even does not boot up.

I've seen this a lot --- for me, adding "sync_console" to that xen.gz
line cures it.  Does that help for you?


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