On 10/12/2010 12:06 PM, Gleb Natapov wrote:
This is true to some extent -- there is some standard content, and some
further can be described via ACPI tables. However, my point was mostly
that it is an existing model for nonvolatile storage which also works on
hardware (and is vastly simpler
On 10/13/2010 12:17 PM, H. Peter Anvin wrote:
The ACPI specification recognizes three interfaces as standard: PC/AT
(64 bytes, even though 128 bytes is available on a lot of platforms),
PIIX4 (256 bytes), and Dallas Semiconductor (256 bytes or more). The
interface for the latter isn't well
On 10/13/2010 01:00 PM, H. Peter Anvin wrote:
On 10/13/2010 12:17 PM, H. Peter Anvin wrote:
The ACPI specification recognizes three interfaces as standard: PC/AT
(64 bytes, even though 128 bytes is available on a lot of platforms),
PIIX4 (256 bytes), and Dallas Semiconductor (256 bytes or
On Mon, Oct 11, 2010 at 02:15:26PM -0700, H. Peter Anvin wrote:
I don't disagree.
I think the best thing to do is to let SeaBIOS create a boot order table
that contains descriptive information and then advertise that to QEMU.
QEMU can then try to associate the list of bootable
On 10/12/2010 01:01 AM, Gleb Natapov wrote:
On Mon, Oct 11, 2010 at 02:15:26PM -0700, H. Peter Anvin wrote:
I don't disagree.
I think the best thing to do is to let SeaBIOS create a boot order table
that contains descriptive information and then advertise that to QEMU.
QEMU can then try to
On Tue, Oct 12, 2010 at 09:33:16AM -0700, H. Peter Anvin wrote:
On 10/12/2010 01:01 AM, Gleb Natapov wrote:
On Mon, Oct 11, 2010 at 02:15:26PM -0700, H. Peter Anvin wrote:
I don't disagree.
I think the best thing to do is to let SeaBIOS create a boot order table
that contains
On real hardware it is shared between BIOS and the OS, actually.
Gleb Natapov g...@redhat.com wrote:
On Tue, Oct 12, 2010 at 09:33:16AM -0700, H. Peter Anvin wrote:
On 10/12/2010 01:01 AM, Gleb Natapov wrote:
On Mon, Oct 11, 2010 at 02:15:26PM -0700, H. Peter Anvin wrote:
I don't disagree.
On Tue, Oct 12, 2010 at 10:35:51AM -0700, H. Peter Anvin wrote:
On real hardware it is shared between BIOS and the OS, actually.
Guest OS can write in qemu CMOS too. But what is it useful for? Most of
its content is not standard AFAIK.
Gleb Natapov g...@redhat.com wrote:
On Tue, Oct 12,
On 10/12/2010 10:41 AM, Gleb Natapov wrote:
On Tue, Oct 12, 2010 at 10:35:51AM -0700, H. Peter Anvin wrote:
On real hardware it is shared between BIOS and the OS, actually.
Guest OS can write in qemu CMOS too. But what is it useful for? Most of
its content is not standard AFAIK.
This is
On Tue, Oct 12, 2010 at 10:45:58AM -0700, H. Peter Anvin wrote:
On 10/12/2010 10:41 AM, Gleb Natapov wrote:
On Tue, Oct 12, 2010 at 10:35:51AM -0700, H. Peter Anvin wrote:
On real hardware it is shared between BIOS and the OS, actually.
Guest OS can write in qemu CMOS too. But what is it
On 10/11/2010 07:16 AM, Gleb Natapov wrote:
On Mon, Oct 11, 2010 at 02:07:14PM +0200, Gerd Hoffmann wrote:
Hi,
Floppy? Yes, I think we do.
And *one* floppy controllers can actually have *two* drives
connected, although booting from 'b' doesn't work IIRC.
and
On Mon, Oct 11, 2010 at 02:48:48PM -0500, Anthony Liguori wrote:
On 10/11/2010 07:16 AM, Gleb Natapov wrote:
On Mon, Oct 11, 2010 at 02:07:14PM +0200, Gerd Hoffmann wrote:
Hi,
Floppy? Yes, I think we do.
And *one* floppy controllers can actually have *two* drives
connected, although
On 10/11/2010 12:51 PM, Anthony Liguori wrote:
-kernel hijacks int19 so it cannot participate in any kind of boot
order. It's either present (and therefore the bootable disk) or not
present.
That's a misdesign, though: it should be able to participate in BBS as a
BEV.
-hpa
On 10/11/2010 02:59 PM, Gleb Natapov wrote:
No boot rom should do that. extboot wreaks havoc when it is used.
And since virtio is now supported by bios there is no reason to use it.
You don't really have a choice. You could be doing hardware passthrough
and the ROM on the card may hijack
On Mon, Oct 11, 2010 at 03:30:21PM -0500, Anthony Liguori wrote:
On 10/11/2010 02:59 PM, Gleb Natapov wrote:
No boot rom should do that. extboot wreaks havoc when it is used.
And since virtio is now supported by bios there is no reason to use it.
You don't really have a choice. You could be
On 10/11/2010 03:36 PM, Gleb Natapov wrote:
On Mon, Oct 11, 2010 at 03:30:21PM -0500, Anthony Liguori wrote:
On 10/11/2010 02:59 PM, Gleb Natapov wrote:
No boot rom should do that. extboot wreaks havoc when it is used.
And since virtio is now supported by bios there is no reason to
On 10/11/2010 01:30 PM, Anthony Liguori wrote:
On 10/11/2010 02:59 PM, Gleb Natapov wrote:
No boot rom should do that. extboot wreaks havoc when it is used.
And since virtio is now supported by bios there is no reason to use it.
You don't really have a choice. You could be doing hardware
On Mon, Oct 11, 2010 at 03:50:08PM -0500, Anthony Liguori wrote:
On 10/11/2010 03:36 PM, Gleb Natapov wrote:
On Mon, Oct 11, 2010 at 03:30:21PM -0500, Anthony Liguori wrote:
On 10/11/2010 02:59 PM, Gleb Natapov wrote:
No boot rom should do that. extboot wreaks havoc when it is used.
And since
H. Peter Anvin wrote:
On 10/11/2010 01:30 PM, Anthony Liguori wrote:
On 10/11/2010 02:59 PM, Gleb Natapov wrote:
No boot rom should do that. extboot wreaks havoc when it is used.
And since virtio is now supported by bios there is no reason to use it.
You don't really have a choice. You
On 10/11/2010 02:41 PM, Sebastian Herbszt wrote:
H. Peter Anvin wrote:
On 10/11/2010 01:30 PM, Anthony Liguori wrote:
On 10/11/2010 02:59 PM, Gleb Natapov wrote:
No boot rom should do that. extboot wreaks havoc when it is used.
And since virtio is now supported by bios there is no reason to
On Mon, Oct 11, 2010 at 07:04:25PM +0200, Gleb Natapov wrote:
On Mon, Oct 11, 2010 at 12:01:58PM -0500, Anthony Liguori wrote:
On 10/11/2010 10:52 AM, Stefan Hajnoczi wrote:
SeaBIOS may do that but gPXE internally just probes all PCI devices.
It does not take advantage of the PCI
On Mon, Oct 11, 2010 at 02:08:13PM +0200, Gleb Natapov wrote:
On Mon, Oct 11, 2010 at 01:16:00PM +0200, Bernhard Kohl wrote:
I think this also applies to network booting via gPXE. Usually our VMs
have 4 NICs, mixed virtio-net and PCI pass-through. 2 of the NICs shall
be used for booting,
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