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Old 09-26-07, 09:03 AM   #1
celticdaddio
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Default RealTime kernel / ERROR: Unable to load the kernel module 'nvidia.ko'

I am trying to install 100.14.19/x86-64 for a real-time kernel. I get the following error message in /var/log/nvidia-installer.log:

ERROR: Unable to load the kernel module 'nvidia.ko'. This happens most
frequently when this kernel module was built against the wrong or
improperly configured kernel sources, with a version of gcc that differs
from the one used to build the target kernel, or if a driver such as
rivafb/nvidiafb is present and prevents the NVIDIA kernel module from
obtaining ownership of the NVIDIA graphics device(s).

Prior to runnining the nvidia install script, I reset the CC var to point to the compiler used to build the kernel, but still get this error. Any suggestions?

Thanks,
CD
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Old 09-26-07, 09:26 AM   #2
Lithorus
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Default Re: RealTime kernel / ERROR: Unable to load the kernel module 'nvidia.ko'

AFAIK the nvidia module doesn't support realtime kernels.
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Old 09-26-07, 09:57 AM   #3
celticdaddio
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Default Re: RealTime kernel / ERROR: Unable to load the kernel module 'nvidia.ko'

I am not sure what "support realtime kernels" means... but I know that the nvidia driver can load and run under FSMLabs Carrier Grade Real Time Linux. We have a parallel rendering system doing just that. Now.. the rendering isn't done in a real-time process...but that's ok for me.


Quote:
Originally Posted by Lithorus
AFAIK the nvidia module doesn't support realtime kernels.
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Old 09-26-07, 09:58 AM   #4
celticdaddio
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Default Re: RealTime kernel / ERROR: Unable to load the kernel module 'nvidia.ko'

DOH! I failed to set CC correctly....
Nevermind....

Quote:
Originally Posted by celticdaddio
I am trying to install 100.14.19/x86-64 for a real-time kernel. I get the following error message in /var/log/nvidia-installer.log:

ERROR: Unable to load the kernel module 'nvidia.ko'. This happens most
frequently when this kernel module was built against the wrong or
improperly configured kernel sources, with a version of gcc that differs
from the one used to build the target kernel, or if a driver such as
rivafb/nvidiafb is present and prevents the NVIDIA kernel module from
obtaining ownership of the NVIDIA graphics device(s).

Prior to runnining the nvidia install script, I reset the CC var to point to the compiler used to build the kernel, but still get this error. Any suggestions?

Thanks,
CD
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Old 11-22-07, 07:36 PM   #5
Sergei_Franco
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Default Re: RealTime kernel / ERROR: Unable to load the kernel module 'nvidia.ko'

I am having same problem with 169.04 driver and rt kernel, how do I set CC correctly?
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Old 11-23-07, 12:07 AM   #6
Moony
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Default Re: RealTime kernel / ERROR: Unable to load the kernel module 'nvidia.ko'

Ya know, I had the same inexplicable problem once and after tons of screwing around figured out that

/lib/modules/2.6.23.xxxx/modules.alias

had been incorrectly modified somehow. Some memory register 'er something was different than it was before I ran the NVidia setup program. I changed it back (since I had backups!) and it worked fine after that. Scary error though. That error message had me downloading gcc and kernels and all kindsa bananas.

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