Re: Problem with GTX 970 under Fedora 21

From: Tobias Klausmann <tobias.johannes.klausmann-AqjdNwhu20eELgA04lAiVw@public.gmane.org>
To: super_7b <super_7b-/E1597aS9LT10XsdtD+oqA@public.gmane.org>,
	nouveau-PD4FTy7X32lNgt0PjOBp9y5qC8QIuHrW@public.gmane.org
Subject: Re: Problem with GTX 970 under Fedora 21
Date: Mon, 26 Jan 2015 21:11:25 +0100	[thread overview]
Message-ID: <54C69F6D.8030004@mni.thm.de> (raw)
In-Reply-To: <54C554CD.7010906-/E1597aS9LT10XsdtD+oqA@public.gmane.org>

On 25.01.2015 21:40, super_7b wrote:
> Hi,
>
> I took this issue to the Fedora forum initially, but no-one there has 
> been able to offer any guidance, so I have decided to come to the 
> nouveau community directly.
>
> I was running a KDE desktop under Fedora 21 successfully, including 
> the ability to use a direct text login on an older card (GXT 560 Ti) 
> with an entirely stock Fedora, fully updated.
>
> I simply replaced the old card with an Asus GTX 970 and re-booted.
>
> I run with the "rhgb quiet" option removed from grub2, so I can see 
> all that happens up to the graphical login screen and I noticed that 
> the re-boot was different at the point at which the screen changed 
> from a basic (80x25 ?) text to a higher resolution (128X50 ?). This no 
> longer happened and I got a simple blank screen.
>
> If I wait, the graphical boot screen eventually appears and I can 
> login to KDE successfully and run my desktop apps as normal. If I 
> switch consoles (e.g. Ctrl-Alt-F2) for a text login, I get a black 
> screen.
>
> The last visible thing on my boot screen before the black is something 
> like "fb: switching to nouveaufb from EFI VGA".
>
> When I looked at the dmesg output, lsmod and lshw, it appears that the 
> nouveau driver does not correctly detect and initialise the GTX 970.
>
> Have I a configuration error, or is there something not working in 
> nouveau?
>
> I attach logs from dmesg, lshw and lsmod and I can supply more data if 
> needed.
>
> BR
>
> Mick
>

Hi,
the 9xx series is rather new and is not supported by nouveau for now 
(modesetting is in 3.19rcX imho). Concerning acceleration: Nvidia needs 
to provide signed firmwares for those cards under a license appropriate 
to include in an open source project, until that happens, there wont be 
substantial improvements.

Greetings
Tobias
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