upgrade the wallpaper image to 4k so that system boots up with xfce feature normally.
1. Build WRL-LTS19 xfce $ git clone --branch WRLINUX_10_19_LTS \ https://windshare.windriver.com/ondemand/remote.php/gitsmart/WRLinux-lts-19-Core/wrlinux-x $ ./wrlinux-x/setup.sh --machine bcm-2xxx-rpi4 --distro wrlinux-graphics --templates feature/xfce $ . ./environment-setup-x86_64-wrlinuxsdk-linux $ . ./oe-init-build-env modify the conf/local.conf: -BB_NO_NETWORK ?= '1' +BB_NO_NETWORK ?= '0' $ bitbake wrlinux-image-glibc-std 2. Create boot SD Card for Raspberry Pi 4 Model B $ ./bmap-tools-3.2/bmaptool copy --bmap wrlinux-image-glibc-std-bcm-2xxx-rpi4.wic.bmap wrlinux-image-glibc-std-bcm-2xxx-rpi4.wic /dev/sdg $ sync 3. Boot with SD Card on Raspberry Pi 4 Model B NOTE: /dev/sdg is <sd-card> mount point
