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v4l2loopback: The kernel headers for this kernel does not seem to be installed.


Sigge
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Hi, trying to install or compile v4l2loopback.

 

I fail with missing header message. I have tried armbian-config and apt-get for the headers but all fails.

I have tried stable and dev.

 

Anyone know how to do this?

 

orangepiplus2e:/lib/modules/4.17.5-sunxi$ sudo apt-get install v4l2loopback-dkms
Reading package lists... Done
Building dependency tree       
Reading state information... Done
The following additional packages will be installed:
  dkms
Suggested packages:
  python3-apport menu v4l2loopback-utils
Recommended packages:
  fakeroot linux-headers-686-pae | linux-headers-amd64 | linux-headers-generic | linux-headers
The following NEW packages will be installed:
  dkms v4l2loopback-dkms
0 upgraded, 2 newly installed, 0 to remove and 0 not upgraded.
Need to get 0 B/107 kB of archives.
After this operation, 397 kB of additional disk space will be used.
Do you want to continue? [Y/n] Y
Selecting previously unselected package dkms.
(Reading database ... 51147 files and directories currently installed.)
Preparing to unpack .../archives/dkms_2.3-2_all.deb ...
Unpacking dkms (2.3-2) ...
Selecting previously unselected package v4l2loopback-dkms.
Preparing to unpack .../v4l2loopback-dkms_0.10.0-1_all.deb ...
Unpacking v4l2loopback-dkms (0.10.0-1) ...
Setting up dkms (2.3-2) ...
Processing triggers for man-db (2.7.6.1-2) ...
Setting up v4l2loopback-dkms (0.10.0-1) ...
Loading new v4l2loopback-0.10.0 DKMS files...
Building for 4.17.5-sunxi
Module build for kernel 4.17.5-sunxi was skipped since the
kernel headers for this kernel does not seem to be installed.

 

Buildning gives me this:

orangepiplus2e:~/v4l2loopback$ make
Building v4l2-loopback driver...
make -C /lib/modules/`uname -r`/build M=/home/aaa/v4l2loopback modules
make[1]: *** /lib/modules/4.17.5-sunxi/build: No such file or directory.  Stop.
Makefile:42: recipe for target 'v4l2loopback.ko' failed
make: *** [v4l2loopback.ko] Error 2

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This is what I get when trying to install with apt-get:

 

orangepiplus2e:~/v4l2loopback$ sudo apt-get install linux-headers-sun8i
Reading package lists... Done
Building dependency tree       
Reading state information... Done
The following NEW packages will be installed:
  linux-headers-sun8i
0 upgraded, 1 newly installed, 0 to remove and 0 not upgraded.
Need to get 5 811 kB of archives.
After this operation, 39,7 MB of additional disk space will be used.
Get:1 http://beta.armbian.com stretch/main armhf linux-headers-sun8i armhf 5.52.180710 [5 811 kB]
Fetched 5 811 kB in 1s (4 502 kB/s)              
Selecting previously unselected package linux-headers-sun8i.
(Reading database ... 51187 files and directories currently installed.)
Preparing to unpack .../linux-headers-sun8i_5.52.180710_armhf.deb ...
Unpacking linux-headers-sun8i (5.52.180710) ...
Setting up linux-headers-sun8i (5.52.180710) ...
Compiling headers - please wait ...

orangepiplus2e:~/v4l2loopback$ sudo apt-get install v4l2loopback-dkms
Reading package lists... Done
Building dependency tree       
Reading state information... Done
Suggested packages:
  v4l2loopback-utils
The following NEW packages will be installed:
  v4l2loopback-dkms
0 upgraded, 1 newly installed, 0 to remove and 0 not upgraded.
Need to get 0 B/32,6 kB of archives.
After this operation, 109 kB of additional disk space will be used.
Selecting previously unselected package v4l2loopback-dkms.
(Reading database ... 63931 files and directories currently installed.)
Preparing to unpack .../v4l2loopback-dkms_0.10.0-1_all.deb ...
Unpacking v4l2loopback-dkms (0.10.0-1) ...
Setting up v4l2loopback-dkms (0.10.0-1) ...
Loading new v4l2loopback-0.10.0 DKMS files...
dpkg: warning: version '3.4.113-sun8i
4.17.5' has bad syntax: invalid character in revision number
Building for 4.17.5-sunxi
Module build for kernel 4.17.5-sunxi was skipped since the
kernel headers for this kernel does not seem to be installed.

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Armbian is a community driven open source project. Do you like to contribute your code?

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18 hours ago, Sigge said:

I fail with missing header message. I have tried armbian-config and apt-get for the headers but all fails.

I have tried stable and dev.


Switch to automated nightly builds and try default and next kernel, skip DEV. They all have matching headers and repeat the process.

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Should I do that through armbian-config? Install headers just blink and change kernel only gives me one option that says failed, aborting. Maybe I should reinstall, might have messed up with my attempts.

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Ok, so I have re flashed my card. Went with:

Armbian Stretch
mainline kernel 4.14.y

 

Enabled nightly builds and installed headers. So far so good. Updated.

 

orangepiplus2e:~/v4l2loopback$ make VERBOSE=1
Building v4l2-loopback driver...
make -C /lib/modules/`uname -r`/build M=/home/aaa/v4l2loopback modules
make[1]: Entering directory '/usr/src/linux-headers-4.17.5-sunxi'
  Building modules, stage 2.
  MODPOST 1 modules
/bin/sh: 1: scripts/mod/modpost: not found
scripts/Makefile.modpost:92: recipe for target '__modpost' failed
make[2]: *** [__modpost] Error 127
Makefile:1574: recipe for target 'modules' failed
make[1]: *** [modules] Error 2
make[1]: Leaving directory '/usr/src/linux-headers-4.17.5-sunxi'
Makefile:42: recipe for target 'v4l2loopback.ko' failed
make: *** [v4l2loopback.ko] Error 2

 

So I wanted to try and switch default and next kernel as suggested.

 

However; the only option is to switch from next to dev?  This is in "Switch", should I use "Default, install desktop ..." instead?

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after:

sudo apt-get install bison libbison-dev flex libfl-dev

 

make scripts

Sucsess!

 

orangepiplus2e:~/v4l2loopback$ make VERBOSE=1
Building v4l2-loopback driver...
make -C /lib/modules/`uname -r`/build M=/home/aaa/v4l2loopback modules
make[1]: Entering directory '/usr/src/linux-headers-4.17.5-sunxi'
  Building modules, stage 2.
  MODPOST 1 modules
  CC      /home/aaa/v4l2loopback/v4l2loopback.mod.o
  LD [M]  /home/aaa/v4l2loopback/v4l2loopback.ko
make[1]: Leaving directory '/usr/src/linux-headers-4.17.5-sunxi'

 

Sucsess!

 

Thank you!!

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Great!

 

One more thing. Since you switched to beta.armbian.com repository and since this kernel is getting daily updates ... freeze kernel updates. Possible in armbian-config menu ... or manually (apr-mark).

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