Unable to find the kernel source tree

HiiiroZZ · Nov 25th 2020

Hello everyone,

I have a problem, I am trying to install a graphics card to use it for plex but here is what it gives me when installing.

Anyone have any idea to fix this problem ?

gderf · Nov 25th 2020

sudo apt-get install linux-source

HiiiroZZ · Nov 25th 2020

Thank's ! And how can I specify the path and where can I find it?

HiiiroZZ · Nov 25th 2020

Now I have this

gderf · Nov 25th 2020

Try installing the headers package.

sudo apt-get install linux-headers

HiiiroZZ · Nov 25th 2020

That tells me

Code

No version of the linux-headers package is available, but it exists in the database

of data. This usually means that the package is missing, that it has become obsolete

or that it is only available on another source



The "linux-headers" package has no version that can be installed

gderf · Nov 25th 2020

Code

apt search linux-headers-$(uname -r)

Then install the found package.

HiiiroZZ · Nov 25th 2020

Now here's what it tells me unfortunately.... Have you got an idea ?

HiiiroZZ · Nov 25th 2020

That's the log

Code

 make[1]: Entering directory '/usr/src/linux-headers-5.8.0-0.bpo.2-common'
   /usr/bin/make -C /usr/src/linux-headers-5.8.0-0.bpo.2-amd64 -f /usr/src/linux-headers-5.8.0-0.bpo.2-common/Makefile modules
   make[2]: Entering directory '/usr/src/linux-headers-5.8.0-0.bpo.2-amd64'
   test -e include/generated/autoconf.h -a -e include/config/auto.conf || (             \
   echo >&2;                                                    \
   echo >&2 "  ERROR: Kernel configuration is invalid.";                \
   echo >&2 "         include/generated/autoconf.h or include/config/auto.conf are missing.";\
   echo >&2 "         Run 'make oldconfig && make prepare' on kernel src to fix it.";   \
   echo >&2 ;                                                   \
   /bin/false)

     ERROR: Kernel configuration is invalid.
            include/generated/autoconf.h or include/config/auto.conf are missing.
            Run 'make oldconfig && make prepare' on kernel src to fix it.

   make[2]: *** [/usr/src/linux-headers-5.8.0-0.bpo.2-common/Makefile:718: include/config/auto.conf] Error 1
   make[2]: Leaving directory '/usr/src/linux-headers-5.8.0-0.bpo.2-amd64'
   make[1]: *** [Makefile:185: __sub-make] Error 2
   make[1]: Leaving directory '/usr/src/linux-headers-5.8.0-0.bpo.2-common'
   NVIDIA: left KBUILD.
   nvidia.ko failed to build!
   make: *** [Makefile:197: nvidia.ko] Error 1
-> Error.
ERROR: Unable to build the NVIDIA kernel module.

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Unable to find the kernel source tree

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