[stretch] Can't get nvidia-driver with cuda v390 installed

[46hype]

Hello,

I am running Debian 9 and trying to get Nvidia cuda toolkit and driver.

However, I get this error message:
<snip spam url>

Code: Select all

root@9547ad41599f:/tmp/deb# apt-get install -t stretch-backports nvidia-cuda-dev nvidia-cuda-toolkit  nvidia-driver
Reading package lists... Done
Building dependency tree
Reading state information... Done
nvidia-driver is already the newest version (390.48-2~bpo9+3).
Some packages could not be installed. This may mean that you have
requested an impossible situation or if you are using the unstable
distribution that some required packages have not yet been created
or been moved out of Incoming.
The following information may help to resolve the situation:

The following packages have unmet dependencies:
 nvidia-driver : Depends: nvidia-driver-libs (= 390.48-2~bpo9+3) but it is not going to be installed or
                          nvidia-driver-libs-nonglvnd (= 390.48-2~bpo9+3) but it is not going to be installed
E: Unable to correct problems, you have held broken packages.

<snip spam url>

[Bulkley]

I don't know anything about it but a quick search on this site yielded "Search found 146 matches: +cuda". One of the hits is marked SOLVED.

[Head_on_a_Stick]

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The following packages have unmet dependencies:
 nvidia-driver : Depends: nvidia-driver-libs (= 390.48-2~bpo9+3) but it is not going to be installed or
                          nvidia-driver-libs-nonglvnd (= 390.48-2~bpo9+3) but it is not going to be installed
E: Unable to correct problems, you have held broken packages.

http://forums.debian.net/viewtopic.php?p=675360#p675360