[elrepo] yum-plugin-nvidia breaks systems

[Orion Poplawski]

On 11/27/18 12:41 PM, Phil Perry wrote:
> On 27/11/2018 19:08, Orion Poplawski wrote:
>> On 11/27/18 11:37 AM, Akemi Yagi wrote:
>>> On Tue, Nov 27, 2018 at 10:15 AM Orion Poplawski <orion at nwra.com> wrote:
>>>>
>>>> This morning a laptop without an nVidia card in it installed the following:
>>>>
>>>> Nov 27 03:42:21 Installed: yum-plugin-nvidia.noarch 1.0.2-1.el7.elrepo
>>>> Nov 27 03:46:19 Installed: kmod-nvidia.x86_64 410.78-1.el7_6.elrepo
>>>> Nov 27 03:48:22 Installed: nvidia-x11-drv.x86_64 410.78-1.el7_6.elrepo
>>>> Nov 27 03:50:43 Installed: nvidia-x11-drv-32bit.x86_64 410.78-1.el7_6.elrepo
>>>>
>>>> effectively breaking it.  I don't know why they got installed, the system
>>>> just
>>>> did an automatic update via yum-cron.
>>>
>>> I have no idea why your yum-cron suddenly decided to install those
>>> nvidia packages. Do you have any log file to look at? Some package(s)
>>> pulled them in???
>>>
>>> Akemi
>>
>> Unfortunately there is no log of the depsolving that went into that
>> transaction.  And I cannot reproduce it now by undoing that transaction and
>> running and update again - possibly because new updates have arrived in the
>> sl-security repo changing the transaction.
>>
>> I'll also note that on one system with the nvidia driver already installed, it
>> decided to install nvidia-x11-drv-32bit.x86_64 as well.
>>
>> I can only think that it decided that it was a better fit for something like
>> libEGL.so.1 than mesa-libEGL was.
>>
>>
> 
> It's almost certainly nvidia-x11-drv that has caused the issue, and in turn
> pulled in kmod-nvidia and yum-plugin-nvidia as dependencies.
> 
> Please could you show the output from:
> 
> rpm -q --whatrequires nvidia-x11-drv

no package requires nvidia-x11-drv

but that's not un-expected :).

> I think you are right above. The current nvidia-x11-drv package provides a
> number of components that are also provided on rhel7.6 by libglvnd* and
> mesa-libGL, mesa-libEGL and mesa-libGLES packages.
> 
> Yum isn't fussy what package meets a dependency, so long as it is met. My
> guess is yum has chosen nvidia-x11-drv to meet a dependency that should have
> been met by one/some of the packages above.
> 
> If you try to 'yum erase nvidia-x11-drv' and look at the packages being
> removed for dependencies, that may give you a clue but initially I would be
> looking at the packages above (don't follow through if it's going to uninstall
> half the system!). The 'rpm' command above should also provide you with some
> clues what pulled it in.
> 
> Assuming we are correct above, this should be fixed in the next release -
> sorry for the inconvenience.
> 
> Phil

I was able to remove the nivida packages without anything else needing to be
removed - so something else must have been brought in as well to satisfy the
dependencies as well.

-- 
Orion Poplawski
Manager of NWRA Technical Systems          720-772-5637
NWRA, Boulder/CoRA Office             FAX: 303-415-9702
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