Re: [Xen-devel] [PATCH v12 00/10] x86: multiboot2 protocol support

[Doug Goldstein <cardoe@xxxxxxxxxx>]

On 1/23/17 8:28 AM, Konrad Rzeszutek Wilk wrote:
> On Mon, Jan 23, 2017 at 02:08:58PM +0100, Daniel Kiper wrote:
>> On Fri, Jan 20, 2017 at 10:54:12PM +0100, Daniel Kiper wrote:
>>> On Fri, Jan 20, 2017 at 02:42:30PM -0500, Doug Goldstein wrote:
>>>> On 1/19/17 8:34 PM, Daniel Kiper wrote:
>>>>> Hi,
>>>>>
>>>>> I am sending twelfth version of multiboot2 protocol support for
>>>>> legacy BIOS and EFI platforms. This patch series release contains
>>>>> fixes for all known/confirmed issues.
>>>>
>>>> With my fix to efi_multiboot2() in 5/10 and the entire series applied, I
>>>> get the following on some of the systems I have access to:
> 
> 
> Both me and Daniel seem to have test machines with EFI that are not soo .. 
> defective.

What machines? Model numbers? Manufacture?

I'd also argue that this series continues to write into reserved memory
regions (as confirmed by the fix to 5/10 that I sent in) and you're able
to still boot so I wouldn't put much value into the hardware you've been
using.

> 
> Could you mention which boxes have these kinds of trouble so we can
> get to the bottom of this?

HP ML10v2
Lenovo T430
Intel NUC NUC5i5MYHE
Intel NUC NUC5i3MYHE (oddly has a pretty different firmware than above)
Mercury LDS3506
Dell Precision 3420 (co-worker says this is setup to boot BIOS)
ASUS M3A78-CM motherboard
ASUS AMD motherboard (I don't have it near me and its not powered on
right now)
SuperMicro ???? (I don't have it near me and its not powered on right
now so I can't figure it out)
QEMU + OVMF from Ubuntu 16.10
QEMU (master from last week) + OVMF (master from last week)

The two unknowns are machines I've got at home and I had unplugged
everything while I was on vacation to hopefully avoid lightning strike
damage.

> 
> [Is it by any chance a T420 or x230 laptop - I am using legacy BIOS on them
> as I couldn't even get them to suspend properly]

I'm using EFI on my T430.

> 
> And would it be possible to get serial/power access to this box (Intel NUC?)
> to figure out what is going on?

Likely not. Both those operations are only available over AMT which is
connected on our internal corporate network. I can see if I can bring it
home for a period of time and give you access from my home.

-- 
Doug Goldstein

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