Re: [LUG] Getting a USB AC68 dongle to work in Mint 19.3

[comrade meowski <mr.meowski@xxxxxxxx>]

On 02/04/2020 17:30, Julian Hall wrote:
> Hi All,
>
> I wrongly thought that as this supposedly works on a Raspberry Pi it 
> would work in a desktop installation of Linux Mint, as Raspbian and Mint 
> are both Debian based. Wrong. Now I am trying to follow the advice here 
> - https://askubuntu.com/questions/879187/asus-usb-ac68-0b051817-drivers 
> and not having much luck. The make.log file mentioned in is
>
> DKMS make.log for rtl8814AU-4.3.21 for kernel 4.15.0-91-generic (x86_64)
> Thu  2 Apr 17:06:07 BST 2020
> make ARCH=x86_64 CROSS_COMPILE= -C /lib/modules/4.15.0-91-generic/build 
> M=/var/lib/dkms/rtl8814AU/4.3.21/build  modules
> make[1]: Entering directory '/usr/src/linux-headers-4.15.0-91-generic'
>    CC [M]  /var/lib/dkms/rtl8814AU/4.3.21/build/core/rtw_cmd.o
> In file included from 
> /var/lib/dkms/rtl8814AU/4.3.21/build/include/osdep_service.h:41,
>                   from 
> /var/lib/dkms/rtl8814AU/4.3.21/build/include/drv_types.h:32,
>                   from 
> /var/lib/dkms/rtl8814AU/4.3.21/build/core/rtw_cmd.c:22:
> /var/lib/dkms/rtl8814AU/4.3.21/build/include/osdep_service_linux.h: In 
> function ‘_init_timer’:
> /var/lib/dkms/rtl8814AU/4.3.21/build/include/osdep_service_linux.h:273:8: error: 
> ‘_timer’ {aka ‘struct timer_list’} has no member named ‘data’
>    ptimer->data = (unsigned long)cntx;
>          ^~
> /var/lib/dkms/rtl8814AU/4.3.21/build/include/osdep_service_linux.h:274:2: error: 
> implicit declaration of function ‘init_timer’; did you mean 
> ‘_init_timer’? [-Werror=implicit-function-declaration]
>    init_timer(ptimer);
>    ^~~~~~~~~~
>    _init_timer
> In file included from 
> /var/lib/dkms/rtl8814AU/4.3.21/build/include/drv_types.h:32,
>                   from 
> /var/lib/dkms/rtl8814AU/4.3.21/build/core/rtw_cmd.c:22:
> /var/lib/dkms/rtl8814AU/4.3.21/build/include/osdep_service.h: In 
> function ‘thread_enter’:
> /var/lib/dkms/rtl8814AU/4.3.21/build/include/osdep_service.h:343:2: 
> error: implicit declaration of function ‘allow_signal’; did you mean 
> ‘do_signal’? [-Werror=implicit-function-declaration]
>    allow_signal(SIGTERM);
>    ^~~~~~~~~~~~
>    do_signal
> /var/lib/dkms/rtl8814AU/4.3.21/build/include/osdep_service.h: In 
> function ‘flush_signals_thread’:
> /var/lib/dkms/rtl8814AU/4.3.21/build/include/osdep_service.h:353:6: 
> error: implicit declaration of function ‘signal_pending’; did you mean 
> ‘timer_pending’? [-Werror=implicit-function-declaration]
>    if (signal_pending (current))
>        ^~~~~~~~~~~~~~
>        timer_pending
> /var/lib/dkms/rtl8814AU/4.3.21/build/include/osdep_service.h:355:3: 
> error: implicit declaration of function ‘flush_signals’; did you mean 
> ‘do_signal’? [-Werror=implicit-function-declaration]
>     flush_signals(current);
>     ^~~~~~~~~~~~~
>     do_signal
> cc1: some warnings being treated as errors
> scripts/Makefile.build:330: recipe for target 
> '/var/lib/dkms/rtl8814AU/4.3.21/build/core/rtw_cmd.o' failed
> make[2]: *** [/var/lib/dkms/rtl8814AU/4.3.21/build/core/rtw_cmd.o] Error 1
> Makefile:1577: recipe for target 
> '_module_/var/lib/dkms/rtl8814AU/4.3.21/build' failed
> make[1]: *** [_module_/var/lib/dkms/rtl8814AU/4.3.21/build] Error 2
> make[1]: Leaving directory '/usr/src/linux-headers-4.15.0-91-generic'
> Makefile:1699: recipe for target 'modules' failed
>
> make: *** [modules] Error 2
>
>
> Also this just makes my head itch - https://github.com/gnab/rtl8812au - 
> I know the answer is here but I have no idea what exactly to do.


Compiles and installs clean for me although I don't have one of those 
particular devices to actually test it with. Clean up any mess you might 
have made to this point and do:

git clone https://github.com/gnab/rtl8812au.git
cd rtl8812au
make

# stop here if compilation fails and report
# otherwise, continue:

sudo mkdir /usr/src/8812au-4.2.2
sudo cp -avr ./* /usr/src/8812au-4.2.2/
sudo dkms add -m 8812au -v 4.2.2
sudo dkms install -m 8812au -v 4.2.2 --force

# all done, check your work

dkms status

# automatically load kernel module at boot:

echo 8812au | sudo tee -a /etc/modules

You'll need (at least) the build-essential, dkms and linux-headers 
packages for your running kernel which you probably already have. 
However Mint 19.3 ships with kernel 5.0 so upgrade to that first, god 
knows why you're still using 4.15.

See how you get on.

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