On 10/09/18 15:07, Meelis Roos wrote:
Given the __alloc_pages_slowpath() warning, this looks like it's probably
stemming from the oversized PASID table issue which a few other folks have hit
too. I think this patch is the most up-to-date fix:
> Given the __alloc_pages_slowpath() warning, this looks like it's probably
> stemming from the oversized PASID table issue which a few other folks have hit
> too. I think this patch is the most up-to-date fix:
>
> https://www.mail-archive.com/iommu@lists.linux-foundation.org/msg25639.html
The
On 10/09/18 14:23, Christoph Hellwig wrote:
On Mon, Sep 10, 2018 at 11:16:12AM +0300, Meelis Roos wrote:
In 4.19-rc1, I found that to keep Intel integrated graphics working when
VT-d is on, I need to have IOMMU passthough on or GPU init would fail
with DMAR error and the screen would display
On Mon, Sep 10, 2018 at 11:16:12AM +0300, Meelis Roos wrote:
> In 4.19-rc1, I found that to keep Intel integrated graphics working when
> VT-d is on, I need to have IOMMU passthough on or GPU init would fail
> with DMAR error and the screen would display static gibberish. So I
> turned IOMMU PT
In 4.19-rc1, I found that to keep Intel integrated graphics working when
VT-d is on, I need to have IOMMU passthough on or GPU init would fail
with DMAR error and the screen would display static gibberish. So I
turned IOMMU PT on by default in kernel config. It worked, also in rc2.
Now with
