[Nouveau] Virtualbox 3D accel broken in xf86-video-nouveau 1.0.3

[Dave Airlie]

On Fri, Nov 2, 2012 at 2:32 AM, Marcin Slusarz <marcin.slusarz at gmail.com> wrote:
> On Thu, Nov 01, 2012 at 11:13:03AM -0500, Pouar wrote:
>>    On 2012/10/31 17:27, Marcin Slusarz wrote:
>>
>> 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][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
>>
>>    Did the bisect today. Here's what I got:
>>    297fd0d0755bda698be1d0b30cc60a41d7673c0b is the first bad commit
>>    commit 297fd0d0755bda698be1d0b30cc60a41d7673c0b
>>    Author: Dave Airlie [2]<airlied at redhat.com>
>>    Date:   Tue Oct 16 16:15:16 2012 +1000
>>        nouveau/dri2: fix pixmap/window offset calcs.
>>
>>        This should fix prime rendering under kwin, and not break it under
>>    the
>>        others.
>>
>>        Signed-off-by: Dave Airlie [3]<airlied at redhat.com>
>>    :040000 040000 10860842c2d9ff579e3e0b46b1edfc332d40b311
>>    886ca8b5c05779ee410c6d14575b4805016b71af M    src
>>

Just pushed a hopeful fix to master, please give it a go.

Dave.