From mboxrd@z Thu Jan  1 00:00:00 1970
From: poma <pomidorabelisima-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org>
Subject: VGA resume & thaw (wake up from S3 & S4) broken - reloaded
Date: Mon, 20 Oct 2014 21:30:49 +0200
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On 20.10.2014 08:13, poma wrote:
> 
> 02:00.0 VGA compatible controller: 
> NVIDIA Corporation G98 [GeForce 8400 GS Rev. 2] (rev a1)
> Chipset: G98 (NV98)
> Family : NV50
> 
> The same for all four kernel:
> - 3.18.0-0.rc0.git8.1.fc22.x86_64
> - 3.18.0-0.rc0.git9.1.fc22.x86_64
> - 3.18.0-0.rc0.git9.3.fc22.x86_64
> - 3.18.0-0.rc0.git9.4.fc22.x86_64
> after
> "fb: switching to nouveaufb from VESA VGA"
> display is powered off.
> The magic SysRq key sequence is necessary to reboot.
> 
...

This is what I've tested so far:
http://cgit.freedesktop.org/~airlied/linux/log/?h=drm-next
git clone -b drm-next git://people.freedesktop.org/~airlied/linux

1. git-e94654e-1st-test-nouveau

2. git-996f5a0-2nd-test-nouveau
   drm/nouveau/core: pass related object into notify constructor
   http://cgit.freedesktop.org/~airlied/linux/commit/?h=drm-next&id=996f5a0

3. git-b38a232-3rd-test-nouveau
   drm/nv50-/disp: add support for completion events
   http://cgit.freedesktop.org/~airlied/linux/commit/?h=drm-next&id=b38a232

4. git-dfda0df-4th-test-nouveau
   The Last of the Mohicans

Unlike the above mentioned Fedora kernels, all four drm-next kernels have no problemos with booting from soft-off(S5).
However "The Last of the Mohicans" has broken resume from suspend(S3)/hibernate(S4).
This has been seen recently.


poma