Re: [Xen-devel] [BUG] After upgrade to Xen 4.12.0 iommu=no-igfx

[Roman Shaposhnik <roman@xxxxxxxxxx>]

On Wed, Jul 31, 2019 at 1:36 AM Roger Pau Monné <roger.pau@xxxxxxxxxx> wrote:
>
> On Tue, Jul 30, 2019 at 10:55:24AM -0700, Roman Shaposhnik wrote:
> > Sorry -- got a bit distracted yesterday. Attached is the log with only
> > your latest patch attached. Interestingly enough the box booted fine
> > without screen artifacts. So I guess we're getting closer...
> >
> > Thanks for all the help!
>
> That's quite weird, there's no functional changes between the
> previous patches and this one, the only difference is that this patch
> has more verbose output.

That's super weird indeed. I'm re-trying your very first patch right
now to see if it may be a pilot error on my part (hope not).

> Are you sure you didn't have any local patches on top of Xen that
> could explain this difference in behaviour?

Pretty sure -- but let me push my branch in EVE and show to you all
(you will need Docker installed to build Xen the way EVE does).

But if you want to check for yourself:
   $ git clone https://github.com/rvs/eve.git -b xen-bug
   $ cd eve/pkg/xen
   $ docker build  --no-cache  .
   $ docker export $(docker create XXX a) | tar xvf - boot
   $ ls boot/xen.gz

Thanks,
Roman.

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