[archlinux@localhost ~]$ sudo modprobe -r ath9k
[sudo] password for root:
[archlinux@localhost ~]$ sudo modprobe ath9k nohwcrypt=1
[archlinux@localhost ~]$ echo 'options ath9k nohwcrypt=1 btcoex_enable=1' | sudo tee /etc/modprobe.d/ath9k.conf
options ath9k nohwcrypt=1 btcoex_enable=1
[archlinux@localhost ~]$ LC_ALL=C sudo mkinitcpio -p linux-zen
==> Building image from preset: /etc/mkinitcpio.d/linux-zen.preset: 'default'
==> Using default configuration file: '/etc/mkinitcpio.conf'
-> -k /boot/vmlinuz-linux-zen -g /boot/initramfs-linux-zen.img --microcode /boot/intel-ucode.img
==> Starting build: '6.4.10-zen2-1-zen'
-> Running build hook: [base]
-> Running build hook: [udev]
-> Running build hook: [autodetect]
-> Running build hook: [modconf]
-> Running build hook: [kms]
-> Running build hook: [keyboard]
==> WARNING: Possibly missing firmware for module: 'xhci_pci'
-> Running build hook: [keymap]
-> Running build hook: [consolefont]
==> WARNING: consolefont: no font found in configuration
-> Running build hook: [block]
-> Running build hook: [filesystems]
-> Running build hook: [fsck]
==> Generating module dependencies
==> Creating zstd-compressed initcpio image: '/boot/initramfs-linux-zen.img'
==> Image generation successful
==> Building image from preset: /etc/mkinitcpio.d/linux-zen.preset: 'fallback'
==> Using default configuration file: '/etc/mkinitcpio.conf'
-> -k /boot/vmlinuz-linux-zen -g /boot/initramfs-linux-zen-fallback.img -S autodetect --microcode /boot/intel-ucode.img
==> Starting build: '6.4.10-zen2-1-zen'
-> Running build hook: [base]
-> Running build hook: [udev]
-> Running build hook: [modconf]
-> Running build hook: [kms]
==> WARNING: Possibly missing firmware for module: 'ast'
-> Running build hook: [keyboard]
==> WARNING: Possibly missing firmware for module: 'xhci_pci'
-> Running build hook: [keymap]
-> Running build hook: [consolefont]
==> WARNING: consolefont: no font found in configuration
-> Running build hook: [block]
==> WARNING: Possibly missing firmware for module: 'qed'
==> WARNING: Possibly missing firmware for module: 'wd719x'
==> WARNING: Possibly missing firmware for module: 'qla2xxx'
==> WARNING: Possibly missing firmware for module: 'bfa'
==> WARNING: Possibly missing firmware for module: 'aic94xx'
==> WARNING: Possibly missing firmware for module: 'qla1280'
-> Running build hook: [filesystems]
-> Running build hook: [fsck]
==> Generating module dependencies
==> Creating zstd-compressed initcpio image: '/boot/initramfs-linux-zen-fallback.img'
==> Image generation successful