WorkingTipsOnRongHe

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Tips

crontab items:

@reboot /usr/bin/execpipe.sh

execpipe content:

$ cat /usr/bin/execpipe.sh 
#!/bin/bash
while true; do eval "$(cat  /mypipe)" &> /mypipeoutput.txt;done
#while true; do eval "$(cat  /mypipe)";done

Create the pipe via:

$ ls / | grep mypipe
mypipe
mypipeoutput.txt

Kernel Building(VB)

Build the kernel via:

apt install -y git fakeroot build-essential ncurses-dev xz-utils libssl-dev bc flex libelf-dev bison rsync kmod cpio unzip
unzip kernel-config.zip
cp kernel-config/x86_64_defconfig .config
./scripts/config --disable DEBUG_INFO
echo "" | make ARCH=x86_64 olddefconfig
make ARCH=x86_64 -j16 LOCALVERSION=-lts2021-iotg  bindeb-pkg

Kernel patch backport:

drivers/gpu/drm/i915/display/intel_fbc.c, line 1029, not equal to tc's implementation

/drivers/gpu/drm/i915# vim i915_driver.c, 存在较大不同