nvidia-304xx is broken

[Robin Laing]

On 31/01/16 16:29, Ed Greshko wrote:
>
>
> On 02/01/16 00:50, David A. De Graaf wrote:
>> I wrote the inquiry below to the fedora users maillinglist
>> but there was no response except a suggestion to ask here,
>> so this is it.
>
> I recently had a problem with the nvidia-340xx.  I would only get a blank screen with no X
> being started.  I did not check the logs I just did what has worked for me in the past.
>
> 1.  dnf erase *nvidia*
> 2.  reboot   (You could either boot to gui using nouveau or multi-user mode)
> 3.  dnf install akmod-nvidia-340xx   (In your case akmod-nvidia-304xx
> 4.  reboot
>
>
>>
>> Since writing the text below, another Fedora 23
>> kernel-4.3.3-303.fc23.x86_64 made an appearance, along with a new
>> kmod-nvidia-304xx-4.3.3-303.fc23.x86_64-304.131-1.fc23.x86_64
>> but they exhibit the identical fault.
>>
>> ******
>> The latest two kernels and the nvidia-304xx module are incompatible.
>> That is, the nvidia.ko module built by akmod-nvidia-304xx won't load.
>> That means that my three machines with older nvidia video cards (one
>> built into the mobo) are stuck running the old
>>
>>>   kernel-4.2.8-300.fc23.x86_64
>>     kernel-4.3.3-300.fc23.x86_64
>>     kernel-4.3.3-301.fc23.x86_64
>>
>> In the past, incompatibilities were resolved in about a week.
>> This time, it's nearly a month.  No new package of akmod-nvidia-304xx
>> or kmod-nvidia-304xx has shown up at the
>> rpmfusion-nonfree-updates[-testing] repo.
>>
>> The akmod-nvidia-340xx module on another machine that needs it runs fine.
>>
>> Does anyone have a clue when this older version of the nvidia module
>> might be fixed?
>>
>> Here are the error messages with the newer kernel:
>>
>> Console error message when trying to run 'startxfce':
>>
>> (==) Using system config directory "/usr/share/X11/xorg.conf.d"
>> modprobe: ERROR: could not insert 'nvidia': Unknown symbol in module,
>> or unknown parameter (see dmesg)
>>
>>
>>  From dmesg:
>>
>>     ...
>> [   12.563315] nvidia: module license 'NVIDIA' taints kernel.
>> [   12.563325] Disabling lock debugging due to kernel taint
>> [   12.573867] nvidia: Unknown symbol mtrr_del (err 0)
>> [   12.573977] nvidia: Unknown symbol mtrr_add (err 0)
>>     ...
>> [   31.162308] nvidia: Unknown symbol mtrr_del (err 0)
>> [   31.162397] nvidia: Unknown symbol mtrr_add (err 0)
>>     ...
>> [   81.656643] nvidia: Unknown symbol mtrr_del (err 0)
>> [   81.656736] nvidia: Unknown symbol mtrr_add (err 0)
>>
>>
>

I tried akmods for 340 on F23  and it doesn't work either.  It won't 
compile.

Testing from a terminal using akmods --force to rebuild them, I found 
that there is an error in the kernel source that won't work.

I will start a different thread about it.

Robin