From: Jason Andryuk <jandryuk@gmail.com>
To: Tamas K Lengyel <tamas.k.lengyel@gmail.com>
Cc: "Roger Pau Monné" <roger.pau@citrix.com>,
"Andrew Cooper" <andrew.cooper3@citrix.com>,
xen-devel <xen-devel@lists.xenproject.org>
Subject: Re: i915 dma faults on Xen
Date: Thu, 15 Oct 2020 13:13:47 -0400 [thread overview]
Message-ID: <CAKf6xpuACuY63f+m6U55EVoSBL+RR04OStGPytb-Aeacou32gg@mail.gmail.com> (raw)
In-Reply-To: <CABfawhnwdkB01LKYbcNhyyhFXF2LbLFFmeN5kqh7VaYPevjzuw@mail.gmail.com>
On Thu, Oct 15, 2020 at 12:39 PM Tamas K Lengyel
<tamas.k.lengyel@gmail.com> wrote:
>
> > > Can you paste the memory map as printed by Xen when booting, and what
> > > command line are you using to boot Xen.
> >
> > So this is OpenXT, and it's booting EFI -> xen -> tboot -> xen
>
> Unrelated comment: since tboot now has a PE build
> (http://hg.code.sf.net/p/tboot/code/rev/5c68f0963a78) I think it would
> be time for OpenXT to drop the weird efi->xen->tboot->xen flow and
> just do efi->tboot->xen. Only reason we did efi->xen->tboot was
> because tboot didn't have a PE build at the time. It's a very hackish
> solution that's no longer needed.
Thanks for the pointer, Tamas. If I recall correctly, there was also
an issue with ExitBootServices. Do you know if that has been
addressed?
Depending on timing, OpenXT may just move to TrenchBoot for a DRTM solution.
Regards,
Jason
next prev parent reply other threads:[~2020-10-15 17:14 UTC|newest]
Thread overview: 18+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-10-14 19:28 i915 dma faults on Xen Jason Andryuk
2020-10-14 19:37 ` Andrew Cooper
2020-10-15 11:31 ` Roger Pau Monné
2020-10-15 15:16 ` Jason Andryuk
2020-10-15 16:38 ` Tamas K Lengyel
2020-10-15 17:13 ` Jason Andryuk [this message]
2021-02-19 17:33 ` tboot UEFI and Xen (was Re: i915 dma faults on Xen) Jason Andryuk
2020-10-16 16:23 ` i915 dma faults on Xen Jason Andryuk
2020-10-21 9:58 ` Roger Pau Monné
2020-10-21 10:33 ` Jan Beulich
2020-10-21 10:51 ` Roger Pau Monné
2020-10-21 12:45 ` Jason Andryuk
2020-10-21 12:52 ` Jan Beulich
2020-10-21 13:36 ` Jason Andryuk
2020-10-21 13:59 ` Jan Beulich
2021-02-19 17:30 ` Jason Andryuk
2021-02-22 10:18 ` Roger Pau Monné
2021-02-22 12:49 ` Jason Andryuk
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