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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 09:14:17 +0100 |
User-agent: |
Mutt/1.5.20 (2009-12-10) |
On Fri, Apr 01, 2016 at 10:11:46AM +0200, Paolo Bonzini wrote:
>
>
> On 01/04/2016 10:02, Richard W.M. Jones wrote:
> >> > echo -e
> >> > 'CONFIG_USB=n\nCONFIG_DRIVES=n\nCONFIG_KEYBOARD=n\nCONFIG_MOUSE=n\nCONFIG_WRITABLE_UPPERMEMORY=y\nCONFIG_TCGBIOS=n\nCONFIG_PIRTABLE=n\nCONFIG_MPTABLE=n\nCONFIG_SMBIOS=n\nCONFIG_ACPI=n\nCONFIG_DEBUG_LEVEL=0'
> >> > > .config
> >> > make olddefconfig
> >> > make
> >> >
> >> > What time do you get with the above stripped down seabios (the
> >> > generated bios is in out/bios.bin)?
> > It's a bit unexpected: The kernel (not SeaBIOS) crashes or hangs
> > during virtio-scsi sensing. See attached. Any idea what I need to
> > enable?
>
> At least ACPI (I would also add mptable and SMBIOS).
Found it: only CONFIG_MPTABLE=y was necessary. It boots with:
# CONFIG_PIRTABLE is not set
CONFIG_MPTABLE=y
# CONFIG_SMBIOS is not set
# CONFIG_ACPI is not set
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?, Dr. David Alan Gilbert, 2016/04/01
- Re: [Qemu-devel] Why is SeaBIOS used with -kernel?, Gerd Hoffmann, 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?, Gerd Hoffmann, 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?, Richard W.M. Jones, 2016/04/01