[elrepo] nVidia kmods and CUDA

[Phil Perry]

On 20/08/15 17:50, Pat Riehecky wrote:
> 
> 
> 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
>>
> 
> 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
> 

Thanks Pat.

I'll queue the fix for the next nvidia driver release at which point you
should be able to dump the cuda-driver package.

Just let me know if you need anything else.

Phil