Dear
I have an empty go program that I would like to run as pid1 from the
initramfs embedded into the kernel after the linux kernel booted (a real
init would for sure do more than just looping forever):
package main
func main() {
for {
}
}
Any ideas where to follow to narrow down the issue? Many thanks in advance.
I can get it running without panic when I call the go program from a c
program that first mounts dev filesystem:
int main()
{
// Mount the devtmpfs filesystem to /dev
mount("devtmpfs", "/dev", "devtmpfs", 0, NULL);
// run the main program
execl("/main", "/main", (char *)NULL);
exit(EXIT_FAILURE);
}
When calling the go program without first mounting dev filesystem I get
again a kernel panic.
I seems the go runtime somehow needs a mounted dev filesystem in order to
initialize properly.
My test platform is aarch64 running in qemu with following command:
qemu-system-aarch64 \
-machine virt \
-cpu cortex-a57 \
-smp 2 -m 2048 \
-kernel linux/arch/arm64/boot/Image \
-append "console=ttyAMA0" \
-nographic
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