From mboxrd@z Thu Jan 1 00:00:00 1970 From: Marcin Slusarz Subject: Re: Virtualbox 3D accel broken in xf86-video-nouveau 1.0.3 Date: Wed, 31 Oct 2012 23:27:14 +0100 Message-ID: <20121031222714.GA4464@joi.lan> References: <50901C68.7020605@gmail.com> <50901CDD.7050008@gmail.com> Mime-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Return-path: Content-Disposition: inline In-Reply-To: <50901CDD.7050008-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org> List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: nouveau-bounces+gcfxn-nouveau=m.gmane.org-PD4FTy7X32lNgt0PjOBp9y5qC8QIuHrW@public.gmane.org Errors-To: nouveau-bounces+gcfxn-nouveau=m.gmane.org-PD4FTy7X32lNgt0PjOBp9y5qC8QIuHrW@public.gmane.org To: Pouar Cc: nouveau-PD4FTy7X32lNgt0PjOBp9y5qC8QIuHrW@public.gmane.org List-Id: nouveau.vger.kernel.org On Tue, Oct 30, 2012 at 01:30:53PM -0500, Pouar wrote: > On 10/30/2012 01:28 PM, Pouar wrote: > > On 10/28/2012 01:21 PM, Pouar wrote: > > On 10/28/2012 01:18 PM, Emil Velikov wrote: > > On Sun, 28 Oct 2012 01:15:54 -0000, Pouar wrote: > > there's a regression in the xf86-video-nouveau driver that came up > in > 1.0.3 that causes the desktop to bounce around in virtualbox > whenever > using HW acceleration in cinnamon and gnome 3, but not in fallback > or > cinnamon 2d, only happens in virtualbox and not the host, I've > confirmed > it was the graphics driver on the host because it happened with the > 1.0.3 driver but not the 1.0.2. > anyone else having this problem? I'm using GeForce GTX 560 Ti > > Hi Pouar > Can you open a bug, following these instructions [1] > Ideally you can try bisecting the issue - there are only 10 changes > that may have caused the issue > Cheers > Emil > [1] [1]http://nouveau.freedesktop.org/wiki/Bugs > > I just did > > -- > Pouar > > by I just did I meant the bug report, not the bisecting, I have zero > experience with driver programming, much less graphics driver > programming, so I wouldn't know what to look for, I signed up for > this mailing list to keep track of the different driver issues and > bugs and their progress You don't need to have any experience in driver programming to bisect this bug. git clone git://anongit.freedesktop.org/git/nouveau/xf86-video-nouveau/ cd xf86-video-nouveau/ ./autogen.sh make If you can compile successfully, do: 1) git bisect start xf86-video-nouveau-1.0.3 xf86-video-nouveau-1.0.2 2) make && sudo rm /usr/lib/xorg/modules/drivers/nouveau_drv.so && sudo cp src/.libs/nouveau_drv.so /usr/lib/xorg/modules/drivers 3) Restart X. Try to reproduce the bug. 4) If you can't reproduce it - do "git bisect good", if you can - do "git bisect bad". 5) Go to 2). After ~4 compiles it will tell you about first bad commit - this is what we want to see. Marcin