• LibreELEC ¹⁾
• Raspberry Pi
• AArch64

• Plaguewing = Raspberry Pi 4 Model B Rev 1.1 (notes)

uname -a

Linux Plaguewing 6.12.56 #1 SMP Sat Nov  1 08:49:19 UTC 2025 aarch64 GNU/Linux

• https://libreelec.tv/downloads/raspberry/

• Last tested: LibreELEC-RPi4.aarch64-12.2.1.img.gz

• 1GB SD Card

Filesystem           Type            Size      Used Available Use% Mounted on
devtmpfs             devtmpfs      662.1M      4.0K    662.1M   0% /dev
tmpfs                tmpfs         369.3M     14.4M    354.9M   4% /run
/dev/mmcblk0p1       vfat          511.7M    162.8M    349.0M  32% /flash
/dev/loop0           squashfs      145.0M    145.0M         0 100% /
/dev/mmcblk0p2       ext4          391.6M     17.5M    370.1M   5% /storage
tmpfs                tmpfs         923.2M         0    923.2M   0% /dev/shm
tmpfs                tmpfs         923.2M      4.0K    923.2M   0% /var
tmpfs                tmpfs         923.2M         0    923.2M   0% /tmp

• Continue from ssh
• Log-in as root

• Change root user password

passwd

mount -o 'remount,rw' '/flash'

nano '/flash/config.txt'

#dtparam=audio=off
dtparam=i2c_arm=off
dtparam=spi=off
#dtparam=hdmi=off
dtparam=eee=off
dtparam=uart0=off
dtparam=sd_poll_once

dtoverlay=disable-bt
dtoverlay=disable-wifi

enable_tvout=0
disable_splash=1
disable_fw_kms_setup=1

over_voltage=8
arm_boost=1
force_turbo=1
initial_turbo=300
arm_freq=1900
core_freq=600
core_freq_fixed=1
dtparam=sd_overclock=100

force_eeprom_read=0
disable_poe_fan=1

# End

• Notes

sudo yast2 'bootloader'

• Boot Loader: GRUB2 for EFI

• [ ] Secure Boot Support
• [x] Update NVRAM Entry

• Protective MBR flag: do not change

• CPU Mitigations: Off
• [ ] Graphical console
• [ ] Serial console

• More Kernel Parameters
• Last updated: 2026/11/12

security='' hibernate='no' nohz='off' preempt='lazy' init_on_alloc='0' init_on_free='0' drm_kms_helper.poll='0' drm_kms_helper.fbdev_emulation='0' hostname='Kraityn' pci='pcie_bus_perf,notph' nomodeset rootflags='data=writeback'

• Notes

fstrim -v -a

• SD in another computer

sudo fsck.fat -a -t -w -v '/dev/mmcblk0p1'

sudo e2fsck -D -E 'discard' -f -v -y '/dev/mmcblk0p3'

echo "export LD_BIND_NOW='1'" | sudo tee '/etc/profile.d/99-general-tweaks.sh' > '/dev/null'

mkdir -p '/etc/systemd/journald.conf.d' && nano '/etc/systemd/journald.conf.d/99-tweaks.conf' && journalctl --vacuum-time='1s' --rotate

[Journal]
Storage=none
Compress=false
MaxLevelStore=0
MaxLevelSyslog=0
MaxLevelKMsg=0
MaxLevelConsole=0
MaxLevelWall=0

# End

journalctl --vacuum-time='1s' --rotate

nano '/etc/fstab'

,discard=once

,noatime,discard,nobarrier,data=writeback

,discard