Re: [Xen-devel] Re: Quieten the hypervisor

[Keir Fraser <Keir.Fraser@xxxxxxxxxxxx>]

On 19 Apr 2006, at 07:47, Tom Hibbert wrote:

> > I would like to see a boot option added similar to the 'quiet' option
> > for the Linux kernel to prevent the hypervisor outputting (XEN) lines 
> > to
> > the console. Can someone do this or point to where to make the changes
> > and I can do it? :)
> I've taken a look through console.c and succeeded in turning everything
> off (by commenting out some code in printf) but I would like the banner
> to still appear, and the (XEN) stuff to go to xm dmesg, but not to vga.
>
> Creating a xenlog call might be a good idea?
Xen already stops outputting to vga as soon as domain0 starts to boot 
(assuming it has console=tty0 on its command line). So you have two 
options:
 1. Pass 'console=none' to Xen as a boot parameter. No output on vga.
 2. Pass 'console=tty0' to domain0 as a boot parameter. Output on vga 
until dom0 starts.
There's no halfway house of just banner and then nothing else. That 
doesn't sound very useful.
 -- Keir


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