[coreboot] Asus KGPE-D16 with latest coreboot errors with Unsupported Hardware on Qubes 4 install missing IOMMU?

Taiidan at gmx.com Taiidan at gmx.com
Sun Dec 2 19:59:33 CET 2018

On 12/02/2018 10:43 AM, Angel Pons wrote:
> Hello,
> On Sun, Dec 2, 2018 at 4:07 PM petecb via coreboot
> <coreboot at coreboot.org> wrote:
>> Thank you for all those details. I've now compiled a version with the default CMOS settings apart from the following changes
>> Minimum memory voltage = 1.35v
>> experimental_memory_speed_boost enabled
>> 1394 controller disabled
>> SATA ALPM enabled.

But what about the other one that you need? SATA AHCI mode? Of course I
also wouldn't start modding stuff before you get things working to start

> Okay.
>> Unfortunately, this results in the Qubes installation on the SSD crashing before it gets to the password prompt and the Qubes installer crashing shortly after booting. They both produce a similar error message that has been too quick to catch so far but mentions "PCI" and "IRQ".
> One of the options you selected has the word "experimental" on its
> name. I would suspect it may cause issues.

Ah well the good thing is that it is easy to remedy if you have added
the nvramcui to your selected payload (it is a cmdline cmos settings

My money is on the memory voltage though since the experimental option
works for me (it is an optimization related to 63xx CPUs not actually
RAM itself)

> Regards,
> Angel Pons

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