Bug#795262: nvidia-cuda-toolkit: Reboot, after package installation, do not unload the Nouveau drivers

[Vincent Cheng]

Hi François and Luca,

On Sat, Aug 15, 2015 at 4:07 PM, Luca Boccassi <luca.boccassi at gmail.com> wrote:
> On Wed, 2015-08-12 at 13:58 +0200, François Legendre wrote:
>> Package: nvidia-cuda-toolkit
>> Version: 6.0.37-5
>> Severity: normal
>>
>> Dear Maintainer,
>>
>> Many thanks for your work.
>>
>> I install the nvidia-cuda-toolkit using synaptic. After reboot, the Nouveau
>> drivers are still loaded. The command
>>
>> # lsmod | grep nouveau
>>
>> prints some lines.
>>
>> I follow the indications found at http://docs.nvidia.com/cuda/cuda-getting-
>> started-guide-for-linux/#axzz3iaadD0fW for Ubuntu distribution :
>>
>> 1. Create a file at /etc/modprobe.d/blacklist-nouveau.conf with the following
>> contents:
>> blacklist nouveau
>> options nouveau modeset=0
>> 2. Regenerate the kernel initramfs:
>> # update-initramfs -u
>>
>> Now, it works.
>
> Hello François,
>
> Thank you for your report.
>
> I'm not sure we should blacklist nouveau by default in the nvidia-cuda
> packages, since they do not depend on the nvidia-driver packages (I
> believe Cuda can be used without the latter). It could leave users with
> a broken system.

AFAIK you need to install the proprietary driver in order to use cuda
(but I could be mistaken)?

I don't think nvidia-cuda-toolkit should ship its own modprobe.d conf
file; the proprietary nvidia driver packages already do, and end users
should already have that installed.

Regards,
Vincent