[xinerama+nouveau] "screen" issue, 1.13.0

Chris Wilson chris at chris-wilson.co.uk
Mon Oct 22 07:59:53 PDT 2012

On Mon, 22 Oct 2012 18:30:45 +0400, Vladimir Chebotarev <vladimir.chebotarev at gmail.com> wrote:
> Everything was ok on xorg-server 1.12.4 but since 1.13 xorg thinks CardA1 and CardA2 conflicts. It prints a message to log: "Requested Entity already in use!" and use PCI:1:0:0 as single-head adapter.
> Nouveau driver has the same version (1.0.2) as before.
> I tried to dig the source code, but I understand it only a little. xf86 entity is actually not shared and not shareable. I haven't found the code where it is being made shareable.
> Could you please help me?

It is a bug in the -nouveau NVPlatformProbe routine (used by xorg-1.13+)
in that it does not mark the entity as Shared for ZaphodHeads.

Chris Wilson, Intel Open Source Technology Centre

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