System start halts due to Nvidia drivers

[Stephen Morris]

Hi Eirik,
     I assume from this you are trying to use the proprietary nvidia 
drivers which are not in the Fedora repositories, would this be correct? 
Either way, when you system hangs you should be able to press Alt-F1 or 
Alt-F7 depending on how your system is configured to start a new session 
where you can log in to a new shell, and then look at the xorg log in 
/var/log which will then tell you if the nvidia driver you are using is 
causing an issue.
     Looking at the guide you have linked to, I have tried the removal 
of the nouveau driver via the method documented and was not able to get 
it to work. I am using the kmod drivers identified in the guide and have 
had no problem with those working. I have also found that if you try to 
install a kmod driver that is for an older kernel version to what you 
are using, it will not install unless the install can find the matching 
older kernel. If you have installed a kmod driver for an older kernel 
and you boot into the newer kernel you will definitely get issues where 
the system appears to hang, because the nvidia driver you are using must 
have been built for the kernel you are using, xorg will fail if it 
isn't. If you have multiple kernels listed in your boot menu try booting 
with an older kernel to see if that works, which will identify if you 
have an nvidia driver - kernel version issue.
     My reading of the xorg log when investigating issues indicates that 
it is potentially a bad move to remove the nouveau driver anyway (also 
when using the kmod nvidia drivers you don't need to remove the nouveau 
driver explicitly anyway) as, if I have read things correctly, when 
using the nvidia drivers xorg has a hierarchy of drivers it will try to 
use, it will try to use the nvidia driver first, if that fails it falls 
back to the nouveau driver, and if that fails I think it falls back to 
the vga driver. Also I'm not sure what the acpid package the guide is 
suggesting to be installed is, I have never explicitly installed that 
package with the drivers, so I'm assuming it is installed by default anyway.

regards,
Steve

On 04/25/2014 09:00 PM, Eirik Gundersen wrote:
> Followed this guide after clean install of Fedora. When I restart the 
> system it hangs at the "started accounts service". I figure this is 
> due to the newly installed nvidia drivers. Where did I go wrong? I 
> read somewhere that maybe the driver for that particular kernel 
> version was not ready?
>
> http://www.if-not-true-then-false.com/2014/fedora-20-nvidia-guide/
>
>

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