linux-headers problem compiling drivers on RasPI 2 w/ Kali 2.01

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2015-08-24
ovosodo

[SOLVED] linux-headers problem compiling drivers on RasPI 2 w/ Kali 2.01

Hi all, to natively build wifi drivers and other nice things I need the linux-headers matching the current kernel.
Kali 2.01 ARM for RasPI 2 uses kernel 3.18.16-v7 but repos include 4.0.0-kali1-armmp
Someone already found some quick workaround?
Thanks,
OS

Code:

# uname -r 3.18.16-v7 # apt-cache search linux-headers linux-headers-4.0.0-kali1-all - All header files for Linux 4.0 (meta-package) linux-headers-4.0.0-kali1-all-armhf - All header files for Linux 4.0 (meta-package) linux-headers-4.0.0-kali1-armmp - Header files for Linux 4.0.0-kali1-armmp linux-headers-4.0.0-kali1-armmp-lpae - Header files for Linux 4.0.0-kali1-armmp-lpae linux-headers-4.0.0-kali1-common - Common header files for Linux 4.0.0-kali1 linux-headers-armmp - Header files for Linux armmp configuration (meta-package) linux-headers-armmp-lpae - Header files for Linux armmp-lpae configuration (meta-package) # apt-cache show linux-headers-armmp Package: linux-headers-armmp Source: linux-latest (65+kali1) Version: 4.0+65+kali1 Architecture: armhf Maintainer: Debian Kernel Team <[email protected]> Installed-Size: 29 Depends: linux-headers-4.0.0-kali1-armmp Priority: optional Section: kernel Filename: pool/main/l/linux-latest/linux-headers-armmp_4.0+65+kali1_armhf.deb Size: 5416 SHA256: 27e2b1f0440315669a4da26287d407b2fb551f4f0fd72a2fbf2d8584d076be5b SHA1: c24694aae705c3c55441e8fc83c435de4fe5c017 MD5sum: 98db35f08a805f7637691f35df3e2e36 Description: Header files for Linux armmp configuration (meta-package) This package depends on the architecture-specific header files for the latest Linux kernel armmp configuration. Description-md5: 259e27743bc84596a626e7a27da2136a

Code:

# git clone https://github.com/dz0ny/rt8192cu.git # cd rt8192cu # make make ARCH=armv7l CROSS_COMPILE= -C /lib/modules/3.18.16-v7/build M=/root/Downloads/rt8192cu modules make[1]: *** /lib/modules/3.18.16-v7/build: No such file or directory. Stop. Makefile:584: recipe for target 'modules' failed make: *** [modules] Error 2
2015-08-24
frafri

would like to know this as well

Thanks !
2015-08-24
steev

Due to the way the image is created, there's an issue with the lib/modules/$(uname -r)/{build,source} directories - they point to my home directory instead of the place in the actual system.

What you want to do is 'rm /lib/modules/$(uname -r)/{build,source}'; ln -s /usr/src/kernel /lib/modules/$(uname -r)/{build,source}
2015-08-24
ovosodo

Quote:

Originally Posted by steev

Due to the way the image is created, there's an issue with the lib/modules/$(uname -r)/{build,source} directories - they point to my home directory instead of the place in the actual system.

What you want to do is 'rm /lib/modules/$(uname -r)/{build,source}'; ln -s /usr/src/kernel /lib/modules/$(uname -r)/{build,source}

Great steev, I didn't notice wrong $(uname -r)/{build,source} symlinks.

Well, this is a step forward, but still doesn't solve my driver build issue, maybe linux-headers aren't enough:

Code:

root@kali:~/Downloads# cd rt8192cu/ root@kali:~/Downloads/rt8192cu# make make ARCH=armv7l CROSS_COMPILE= -C /lib/modules/3.18.16-v7/build M=/root/Downloads/rt8192cu modules make[1]: Entering directory '/usr/src/kernel' Makefile:610: arch/armv7l/Makefile: No such file or directory make[1]: *** No rule to make target 'arch/armv7l/Makefile'. Stop. make[1]: Leaving directory '/usr/src/kernel' Makefile:584: recipe for target 'modules' failed make: *** [modules] Error 2
2015-08-24
steev

try with ARCH=arm - armv7l is an Arch Linux thing.

That said - what's wrong with the rtl8192cu driver that's already part of the kernel?
2015-08-25
ovosodo

Quote:

Originally Posted by steev

try with ARCH=arm - armv7l is an Arch Linux thing.

That said - what's wrong with the rtl8192cu driver that's already part of the kernel?

Thanks steev, ARCH=arm solves the problem, however none of the 8188cus git repos I tryed builds successfully on Rpi Kali2, so I gived up on this way and found an alternative solution which doesn't require builds or linux-headers.
I'm sure having solved the linux-headers issue will be useful anyway sooner or later ;)

My goal is to build some headless, cableless, portable Rpi2 using Kali2. This seems a hot topic, but none of the solutions I found are satisfying.
I would like to use my 3G tablet or smartphone to connect to the Rpi using ssh, while being able to use the 3G internet connection both from the tablet/phone and the Rpi.

As a poor man temporary solution, I activated an ad-hoc connection on the Rpi, it's simple but has security and connectivity problems.
In the next spare time I will activate on the Rpi a wpa2 client which connects to the mobile hotspot, so I will solve my goals of ssh access to Rpi and internet connectivity on both devices.

Maybe it's better to open a new topic on this.
Thank you,
OS
2015-08-26
steev

I would suggest using a better wifi card for that case. the rtl8188 cards are **** for anything more than just connecting to a wireless network.
2015-09-04
buxbud

@ovosodo Where is the solution (though it is marked as solved) ??

I recently installed Kali 2.0.1 on RPi2 which has kernel version 3.18.16-v7.
I need the linux-headers to 'make' the wifi dongle drivers.
But the original repos have headers for kernel 4+.

Alternatively, I found a repo for headers here
http://www.niksula.hut.fi/~mhiienka/...x-headers-rpi/
But unable to install due to unmet dependencies.

Please help @g0tmi1k
2015-09-04
steev

The 2.0 images have the kernel sources available in /usr/src/kernel - you need to go into /lib/modules/3.18.16-v7/ and correct the build and source symlinks to point to /usr/src/kernel

The first response from me in the thread says as much (thus solved)
2015-09-04
buxbud

Thanks for the clarification @steev
My doubt was that @ovosodo still reports errors during compiling.
Is that a specific bug for the chipset wifi cards ?

So as per your post (#3) the linux-header modules/files/dependencies for 'make' are already available but is pointing to the wrong path.
The two commands to be run to correct this are

Quote:

rm /lib/modules/$(uname -r)/{build,source}

ln -s /usr/src/kernel /lib/modules/$(uname -r)/{build,source}
2015-09-05
steev

He's saying that none of the drivers that he found work - honestly, I have no idea what repos he's tried/trying, and that card is a piece of ****. There's a reason why people don't recommend those cards over something with an atheros or rt3070 chipset in them.
2015-09-05
buxbud

Still no luck for me.
Here is what I did. Trying to compile drivers for MT7601U chipset wifi usb dongle on Kali2.0.1 on RPi2

Code:

root@kali:~/Downloads# rm /lib/modules/$(uname -r)/build root@kali:~/Downloads# rm /lib/modules/$(uname -r)/source root@kali:~/Downloads# ln -s /usr/src/kernel /lib/modules/$(uname -r)/build root@kali:~/Downloads# ln -s /usr/src/kernel /lib/modules/$(uname -r)/source

Code:

root@kali:~/Downloads# git clone https://github.com/porjo/mt7601.git Cloning into 'mt7601'... remote: Counting objects: 449, done. remote: Compressing objects: 100% (3/3), done. remote: Total 449 (delta 0), reused 0 (delta 0), pack-reused 446 Receiving objects: 100% (449/449), 1.58 MiB | 316.00 KiB/s, done. Resolving deltas: 100% (173/173), done. Checking connectivity... done. root@kali:~/Downloads# cd mt7601/src

root@kali:~/Downloads/mt7601/src# make
make -C tools
make[1]: Entering directory '/root/Downloads/mt7601/src/tools'
gcc -g bin2h.c -o bin2h
make[1]: Leaving directory '/root/Downloads/mt7601/src/tools'
/root/Downloads/mt7601/src/tools/bin2h
cp -f os/linux/Makefile.6 /root/Downloads/mt7601/src/os/linux/Makefile
make -C /lib/modules/3.18.16-v7/build SUBDIRS=/root/Downloads/mt7601/src/os/linux modules
make[1]: Entering directory '/usr/src/kernel'

WARNING: Symbol version dump ./Module.symvers
is missing; modules will have no dependencies and modversions.

CC [M] /root/Downloads/mt7601/src/os/linux/../../os/linux/rt_profile.o
./scripts/recordmcount: 1: ./scripts/recordmcount: Syntax error: "(" unexpected
scripts/Makefile.build:257: recipe for target '/root/Downloads/mt7601/src/os/linux/../../os/linux/rt_profile.o' failed
make[2]: *** [/root/Downloads/mt7601/src/os/linux/../../os/linux/rt_profile.o] Error 2
Makefile:1381: recipe for target '_module_/root/Downloads/mt7601/src/os/linux' failed
make[1]: *** [_module_/root/Downloads/mt7601/src/os/linux] Error 2
make[1]: Leaving directory '/usr/src/kernel'
Makefile:394: recipe for target 'LINUX' failed
make: *** [LINUX] Error 2
2015-09-08
ovosodo

Quote:

Originally Posted by steev

He's saying that none of the drivers that he found work - honestly, I have no idea what repos he's tried/trying, and that card is a piece of ****. There's a reason why people don't recommend those cards over something with an atheros or rt3070 chipset in them.

Sorry for my absence.
The repo I tried was https://github.com/dz0ny/rt8192cu.git
The focus of the thread (linux-headers problem) was solved thanks to steev's hint (wrong symlinks in the Kali image).
As I said I turned to a workaround solution which doesn't require a wifi driver rebuild, so I didn't solve the RTL81* specific wifi driver rebuild issue.
I have a dozen of different RTL8188* and RTL8192* adapters laying around. They are nice, small and low-power. However due to chipset and antenna limitations the only acceptable use I found is on a portable headless Rpi2, to connect nearby to a tethering smartphone.
OS
2016-01-26
chindjer

Hi!
I have totally same problem, but unfortunately i can't solve it.
After i type:

rm /lib/modules/$(uname -r)/{build,source}
ln -s /usr/src/kernel /lib/modules/$(uname -r)/{build,source}
apt-get install linux-headers-$(uname -r)

i get:
E: Unable to locate package linux-headers-3.18.16-v7
E: couldn't find any package by regex 'linux-headers-3.18.16-v7'

after reboot:
uname -r
3.18.16-v7

Could you please help me in the case?