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Re: [Xen-devel] debug console display problem

To: Christopher Head <chead@xxxxxxxxx>, 杜雨阳 <duyuyang@xxxxxxxxx>, <xen-devel@xxxxxxxxxxxxxxxxxxx>
Subject: Re: [Xen-devel] debug console display problem
From: Keir Fraser <keir.fraser@xxxxxxxxxxxxx>
Date: Sat, 06 Sep 2008 17:34:52 +0100
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Also you need a debug build (debug=y make) of Xen. Guests (anything other
than dom0) are supposed to talk to xenconsoled in dom0, but a debug build
makes allowances for guest OS development.

 -- Keir

On 6/9/08 17:20, "Christopher Head" <chead@xxxxxxxxx> wrote:

> -----BEGIN PGP SIGNED MESSAGE-----
> Hash: SHA1
> 
> Provide these command-line options:
> 
> loglvl=all guest_loglvl=all console_to_ring
> 
> in your bootloader to the Xen hypervisor. The message will then appear
> in xm dmesg.
> 
> Chris
> 
> 杜雨阳 wrote:
> | Dear Xen developers,
> |
> | My very first guest kernel is:
> |
> | void start_kernel(start_info_t * start_info)
> | {
> |         HYPERVISOR_console_io(CONSOLEIO_write,12,"Hello World\n");
> |         while(1);
> | }
> |
> | My Xen hypervisor is the latest xen-3.3.0, however, I never get the
> | message: Hello World.
> |
> | How can I get this? Please give me complete setup.
> |
> | Crave for your help.
> |
> | Shawn
> |
> -----BEGIN PGP SIGNATURE-----
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> =8U+h
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> 
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