[vbox-dev] New virtualbox vboxvideo mainline kernel broken in Ubuntu

Michael Thayer michael.thayer at oracle.com
Fri Sep 29 12:29:33 UTC 2017

Hello All,

29.09.2017 12:30, Gianfranco Costamagna wrote:
> Hello Hans, Sergio,
>> I just tried Fedora kernel 4.13.1-303.fc27, which has the vboxvideo driver enabled,
>> with gnome 3.24 from Fedora 26 with both X11 and Wayland and both work fine for me,
>> not sure what is going on? Is this with gnome-3.26? I can give that a try if you want,
>> but that would point to a gnome bug, not a bug in the vboxvideo.
> yep gnome-shell 3.26, but I don't see why it should be a gnome-shell bug.
> The dkms driver works, as well as the virtualbox one. Just the linux driver fails
>> Is there anything special about the setup of the users seeing this ? Have you tried
>> to reproduce this yourself?
> Install ubuntu artful beta2 and download the old kernel from launchpad is enough to trigger the issue.
> the new kernel in artful has that staging driver disabled, so it can't see it
>> This is enabled in Fedora kernels or vanilla kernels , do you mean
>> since 4.13.1 vbox guestaditionals drives are in main kernel ?
> exactly enabling/disabling 3D acceleration seems to be not helping
>> Gianfranco, since kernel 3.11 , vboxvideo_drv.so for xorg-X11 should be
>> removed from the system and we start use just vboxvideo.ko (kernel
> I removed that file looong time ago, when Debian switched to rootless X server
> (I grabbed also the xorg patch that is merged in vbox 5.2 I think)
> https://anonscm.debian.org/cgit/pkg-virtualbox/virtualbox.git/tree/debian/patches/new-xorg-1.19.patch
> BTW apt-get install virtualbox-guest-dkms grabs the virtualbox guest driver, and loading
> that one works, this is why I'm actually blaming the mainline staging driver :)
Thanks for the heads-up.  I am gradually adjusting our in-tree code to
match vboxvideo in staging, so at some point, when things stop turning
up to stop me, I will probably hit the crucial difference.  Gianfranco,
if you have time could you please give the Additions from the next beta
release a try, when it is available, since I have already started the
process?  I would be very grateful if you could.  I will too of course
when I find a moment, moments are just in short supply.

Michael Thayer | VirtualBox engineer
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