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Realtek 8211CU Wifi AC USB with 8821cu driver in chroted debian 10 box on Android 10 #234

@itmagpro

Description

@itmagpro

I use Linux Deploy in Magisk rooted Android 10 device, install Debian 10 (buster)

But on chroot Android 10 host device kernel version 4.9.19 and on Debian 10 (buster) kernel version 4.19.0-20-arm64.

After install
apt install linux-headers-4.19.0-20-arm64 apt install linux-image-4.19.0-20-arm64

I create
ln -sf /lib/modules/4.19.0-20-arm64 /lib/modules/$(uname -r)

Because get make error: /lib/modules/4.9.190/build' No such file or directory

Now:

mkdir /opt/src/rtl8821cu/brektrou
cd brektrou
git clone https://github.com/brektrou/rtl8821CU.git
cd rtl8821CU

sed -i 's/CONFIG_80211W = n/CONFIG_80211W = y/' Makefile
sed -i 's/CONFIG_WIFI_MONITOR = n/CONFIG_WIFI_MONITOR = y/' Makefile

make
...
  LD [M]  /opt/src/rtl8821cu/brektrou/rtl8821CU/8821cu.o
  Building modules, stage 2.
  MODPOST 1 modules
  CC      /opt/src/rtl8821cu/brektrou/rtl8821CU/8821cu.mod.o
  LD [M]  /opt/src/rtl8821cu/brektrou/rtl8821CU/8821cu.ko
make[1]: Leaving directory '/usr/src/linux-headers-4.19.0-20-arm64'

# make install
mkdir -p /lib/modules/4.9.190/kernel/drivers/net/wireless/realtek/rtl8821cu/
install -p -m 644 8821cu.ko  /lib/modules/4.9.190/kernel/drivers/net/wireless/realtek/rtl8821cu/
/sbin/depmod -a 4.9.190

but result
modprobe --force 8821cu modprobe: ERROR: could not insert '8821cu': Exec format error

Have some way to use external Realtek 8211CU Wifi AC USB with 8821cu driver in chroted debian 10 box on Android? ;(

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