On Monday, February 5, 2018 at 8:29:17 AM UTC-5, Utility Panel wrote:
> On Wednesday, April 5, 2017 at 9:07:43 PM UTC-4, Emergency Mexican wrote:
> > Here is some more data to add to the HCL. Qubes works out of the box,
> > except the IOMMU due to a chipset errata. It looks like there is some work
> > arounds for getting the IOMMU to function without "Interrupt Remapping"
> > which is significant.
>
> I also have a Z800. I've been trying to install 4.0-rc4. The installer tells
> me that the following features are missing:
>
> IOMMU/VT-d/AMD-Vi
> Interrupt Remapping
>
> I have a ticket open on the HP support forum asking for help. Someone
> helpfully suggested a few BIOS settings that I might try, but I have not been
> having any luck.
>
> Might anyone here have any suggestions?
One other clue: Someone on the HP support forum suggested that the problem
might be related to the x58 chipset and sent me a link to a data sheet:
https://www.novell.com/support/kb/doc.php?id=7014344
I'll be reading that data sheet more closely later today, but my current
impression is that solving the problem would take a BIOS patch. Or maybe the
chip firmware can be flashed directly? But even if it could, the underlying
instability might remain. I just don't know.
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