Nvidia cards and Fedora 22 kernel upgrades

[Roderick Johnstone]

On 23/07/15 08:59, Roderick Johnstone wrote:
> On 22/07/15 21:46, Richard Shaw wrote:
>> On Wed, Jul 22, 2015 at 12:57 PM, Roderick Johnstone <rmj at ast.cam.ac.uk
>> <mailto:rmj at ast.cam.ac.uk>> wrote:
>>
>>     So, having copied the akmods.service file to /etc/systemd/system (as
>>     Harald Reindl suggested) and added --force it is now building and
>>     installing the kmod on reboot.
>>
>>     (Actually I also removed --from-init which I realise now was
>>     probably a mistake but probably not causing the problems I'm seeing
>>     here.)
>>
>>     However, the kernel module is not loaded and so the graphical
>>     display does not start until either I reboot again or change run
>>     levels and run modprobe nvidia.
>>
>>     Any idea whats going on here?
>>
>>
>> Hard to say... It's supposed to run prior to the display manager so I'm
>> not sure why a reboot at that point would be necessary.
>>
>> One thing I just noticed is there doesn't seem to be a
>> display-manager.service symlink anymore, when gdm.service is enabled, an
>> systemd unit alias to display-manager.service is created... I would
>> think that would still work but it doesn't seem to be in your case.
>
> I'm actually using sddm so gdm.service is disabled for me and
> sddm.service is enabled.
>
> I do have a sym link:
> /etc/systemd/system/display-manager.service ->
> /usr/lib/systemd/system/sddm.service
>
> so I'm not sure why its not working as expected.
>
>>
>> I wonder if I should change the requirement to "Before=graphical.target"?
>
> I can certainly test that and report back if you like.

Richard

I tested this and it didn't work. The kmod is installed successfully but 
sddm does not start.

Do you know how the kernel module is supposed to get loaded?

Roderick