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Re: [Qemu-devel] Why is SeaBIOS used with -kernel?
From: |
Richard W.M. Jones |
Subject: |
Re: [Qemu-devel] Why is SeaBIOS used with -kernel? |
Date: |
Fri, 1 Apr 2016 09:57:34 +0100 |
User-agent: |
Mutt/1.5.20 (2009-12-10) |
On Fri, Apr 01, 2016 at 10:51:31AM +0200, Paolo Bonzini wrote:
>
>
> On 01/04/2016 10:47, Richard W.M. Jones wrote:
> > It's so we can handle error reports. When someone reports that
> > libguestfs "hangs", it's sometimes useful to know if the BIOS was
> > entered or not, since it points the finger at either qemu, BIOS or
> > kernel. (Remember we have to be able to run on a whole variety of
> > Linux distros which often have old/broken/random qemu/bios/kernel).
>
> Sure, but that can be an extra option if sgabios adds overhead.
>
> Anyhow, you probably want "-vga none" too.
That's the qemu option? Currently we use
-nodefconfig -nodefaults -display none
which I assumed would do the same thing (ie. not add any default
devices). Does -vga none do more than this?
Rich.
--
Richard Jones, Virtualization Group, Red Hat http://people.redhat.com/~rjones
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- Re: [Qemu-devel] Why is SeaBIOS used with -kernel?, Richard W.M. Jones, 2016/04/01
- Re: [Qemu-devel] Why is SeaBIOS used with -kernel?, Paolo Bonzini, 2016/04/01
- Re: [Qemu-devel] Why is SeaBIOS used with -kernel?, Richard W.M. Jones, 2016/04/01
- Re: [Qemu-devel] Why is SeaBIOS used with -kernel?, Paolo Bonzini, 2016/04/01
- Re: [Qemu-devel] Why is SeaBIOS used with -kernel?, Richard W.M. Jones, 2016/04/01
- Re: [Qemu-devel] Why is SeaBIOS used with -kernel?, Paolo Bonzini, 2016/04/01
- Re: [Qemu-devel] Why is SeaBIOS used with -kernel?, Vasiliy Tolstov, 2016/04/01
- Re: [Qemu-devel] Why is SeaBIOS used with -kernel?, Dr. David Alan Gilbert, 2016/04/01
- Re: [Qemu-devel] Why is SeaBIOS used with -kernel?, Gerd Hoffmann, 2016/04/01