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Old 05-01-07, 10:50 AM   #1
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Join Date: Dec 2006
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Default GPL-incompatible modulo error.. Debian unstable

When I try to compile the nvidia modulo I receive that error in the nvidia-installer.log
FATAL: modpost: GPL-incompatible module nvidia.ko uses GPL-only symbol 'para
This is a debian especific error or nvidia driver problem...?

(i try with nvidia driver 9755 and beta 100.14.03 in linux kernel 2.6.20-1)
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Old 05-01-07, 10:56 AM   #2
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Join Date: Nov 2002
Posts: 51
Default Re: GPL-incompatible modulo error.. Debian unstable

This is a problem with Paravirtualization option in the kernel config.

If you compile the kernel with that option enabled you are not able to compile the nvidia drivers.

There is a solution that I don't remember (quite complicated ) to make the drivers compile without recompiling the kernel, but the easier and fastest solution I've found is recompiling the kernel and disable Paravirt:

apt-get install linux-source-2.6.20
cd /usr/src && tar xvjf linux-source-2.6.20.tar.bz2
cd linux-source-2.6.20
make menuconfig
Disable Paravirtualization in Processor type and features (if I remember well)
make-kpkg --initrd kernel_image
cd ..&& dpkg -i linux*deb


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Old 05-01-07, 12:51 PM   #3
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Join Date: Aug 2002
Posts: 3,740
Default Re: GPL-incompatible modulo error.. Debian unstable

Please also see http://www.nvnews.net/vbulletin/showthread.php?t=90214.
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