[elrepo] nVidia kmods and CUDA

[Pat Riehecky]

On 08/19/2015 02:27 PM, Phil Perry wrote:
> On 19/08/15 18:50, Phil Perry wrote:
>> On 19/08/15 18:26, Pat Riehecky wrote:
>>> I'm running into an unexpected dependency problem loading the CUDA rpms
>>> and the elrepo kmod:
>>>
>>> # yum install cuda
>>> Loaded plugins: nvidia, security
>>> Setting up Install Process
>>> Resolving Dependencies
>>> --> Running transaction check
>>> ---> Package cuda.x86_64 0:7.0-28 will be installed
>>> --> Processing Dependency: cuda-7-0 = 7.0-28 for package:
>>> cuda-7.0-28.x86_64
>>> --> Running transaction check
>>> ---> Package cuda-7-0.x86_64 0:7.0-28 will be installed
>>> --> Processing Dependency: cuda-runtime-7-0 = 7.0-28 for package:
>>> cuda-7-0-7.0-28.x86_64
>>> --> Running transaction check
>>> ---> Package cuda-runtime-7-0.x86_64 0:7.0-28 will be installed
>>> --> Processing Dependency: cuda-drivers >= 346.46 for package:
>>> cuda-runtime-7-0-7.0-28.x86_64
>>> --> Running transaction check
>>> ---> Package cuda-drivers.x86_64 0:346.46-0 will be installed
>>> --> Processing Dependency: nvidia-kmod >= 1:346.46 for package:
>>> cuda-drivers-346.46-0.x86_64
>>> --> Processing Dependency: xorg-x11-drv-nvidia-gl(x86-64) >= 1:346.46
>>> for package: cuda-drivers-346.46-0.x86_64
>>> --> Processing Dependency: nvidia-uvm-kmod >= 1:346.46 for package:
>>> cuda-drivers-346.46-0.x86_64
>>> --> Processing Dependency: xorg-x11-drv-nvidia-devel(x86-64) >= 1:346.46
>>> for package: cuda-drivers-346.46-0.x86_64
>>> --> Processing Dependency: xorg-x11-drv-nvidia-libs(x86-64) >= 1:346.46
>>> for package: cuda-drivers-346.46-0.x86_64
>>> --> Processing Dependency: xorg-x11-drv-nvidia >= 1:346.46 for package:
>>> cuda-drivers-346.46-0.x86_64
>>> --> Running transaction check
>>> ---> Package nvidia-kmod.x86_64 1:346.46-2.el6 will be installed
>>> ---> Package nvidia-uvm-kmod.x86_64 1:346.46-3.el6 will be installed
>>> ---> Package xorg-x11-drv-nvidia.x86_64 1:346.46-1.el6 will be installed
>>> ---> Package xorg-x11-drv-nvidia-devel.x86_64 1:346.46-1.el6 will be
>>> installed
>>> ---> Package xorg-x11-drv-nvidia-gl.x86_64 1:346.46-1.el6 will be installed
>>> ---> Package xorg-x11-drv-nvidia-libs.x86_64 1:346.46-1.el6 will be
>>> installed
>>> --> Processing Conflict: nvidia-x11-drv-352.30-1.el6.elrepo.x86_64
>>> conflicts xorg-x11-drv-nvidia
>>> --> Finished Dependency Resolution
>>> Error: nvidia-x11-drv conflicts with
>>> 1:xorg-x11-drv-nvidia-346.46-1.el6.x86_64
>>>   You could try using --skip-broken to work around the problem
>>>   You could try running: rpm -Va --nofiles --nodigest
>>> # rpm -qa |grep nvidia
>>> yum-plugin-nvidia-1.0.2-1.el6.elrepo.noarch
>>> kmod-nvidia-352.30-1.el6.elrepo.x86_64
>>> nvidia-x11-drv-352.30-1.el6.elrepo.x86_64
>>> nvidia-detect-352.30-1.el6.elrepo.x86_64
>>>
>>> I suspect some new "provides" might be required.
>>>
>>> Pat
>>>
>> Hi Pat,
>>
>> I'm not overly familiar with anything CUDA, but from the above
>> transaction it does look like we might be able to get away with adding a
>> provides for cuda-drivers to our nvidia package(s), which should then
>> prevent yum trying to pull in their nvidia drivers to meet that
>> dependency requirement.
>>
>> As a workaround, you could try manually installing the cuda and
>> cuda-runtime packages from above with --nodeps and seeing if that works
>> for you (there may be other unresolved deps though).
>>
>> In the meantime, I will try to get you a set of updated packages built
>> with the extra provides and into the testing repo for you to test.
>>
>> If there are any CUDA users out there, please feel free to chip in :-)
>>
>> Phil
>>
>>
> Rather than build a whole new set of nvidia packages just to add missing
> provides, I've just built a dummy cuda-drivers package with the missing
> provides for now (this seems to be how nvidia does it):
>
> $ rpm -qlp --provides cuda-drivers-352.30-1.el6.elrepo.x86_64.rpm
> cuda-driver = 352.30
> cuda-drivers = 352.30
> cuda-drivers = 352.30-1.el6.elrepo
> cuda-drivers(x86-64) = 352.30-1.el6.elrepo
> (contains no files)
>
> I've pushed it to the el6 testing repo so it should start syncing to
> mirrors shortly.
>
> Please try:
>
> yum --disablerepo=\* --enablerepo=elrepo-testing install cuda-drivers
>
> (make sure you are installing cuda-drivers from elrepo-testing)
>
> and then try:
>
> yum install cuda
>
> and see if yum now completes the transaction cleanly.
>
> Assuming this works, I'll then add the missing provides to the next
> nvidia drivers release.
>
> One question, I note from this cuda repo:
>
> http://developer.download.nvidia.com/compute/cuda/repos/rhel6/
>
> that only x86-64 cuda packages are available, so would I be correct in
> assuming cuda is not available on x86, so I should only add cuda-driver
> provides to 64-bit packages?
>
> Likewise, does it make any sense to add to older legacy drivers (340.xx,
> 304.xx)?
>
> Thanks,
>
> Phil
>
>
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Testing package gets things installed on this end.  I've handed it off 
to the local CUDA folks.  Unless they tell me it doesn't work - I'd say 
this is "working as expected".

Pat

-- 
Pat Riehecky
Scientific Linux developer

Fermi National Accelerator Laboratory
www.fnal.gov
www.scientificlinux.org