linux-kernel - Re: nouveau graphical corruption in 3.13.2

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Message-ID: <CAKb7Uvh=SQVhxOVEf5bFqhbiythcH4S+xP4OsXjF0xCsVjVk0Q@mail.gmail.com>
Date:	Sat, 8 Feb 2014 13:57:57 -0500
From:	Ilia Mirkin <imirkin@...m.mit.edu>
To:	Daniel J Blueman <daniel@...ra.org>
Cc:	"nouveau@...ts.freedesktop.org" <nouveau@...ts.freedesktop.org>,
	"dri-devel@...ts.freedesktop.org" <dri-devel@...ts.freedesktop.org>,
	Linux Kernel <linux-kernel@...r.kernel.org>,
	Dave Airlie <airlied@...ux.ie>, Ben Skeggs <bskeggs@...hat.com>
Subject: Re: nouveau graphical corruption in 3.13.2

On Sat, Feb 8, 2014 at 10:38 AM, Daniel J Blueman <daniel@...ra.org> wrote:
> Interestingly, there was graphical failure booting 3.6.11, even
> nvidia-current fails to initialise, but these two issues could be due
> to running the Xorg stack in Ubuntu 14.04 pre-release. Using
> nouveau.noaccel=1 works great for the first X session, but after
> logging out, lightdm and the next session experiences this consistent
> screen corruption:
>
> http://quora.org/nouveau-corruption.jpg

Does that just happen in 3.6.11 or even in 3.13? If the latter, that
points to some key lack of understanding of... something. With
noaccel, we're not using pgraph or anything fancy -- it's just a
framebuffer, basically. So if we can't even render _that_ right...

Hopefully someone else will pipe up re your other issues -- my
knowledge base on this is exhausted :(

  -ilia
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