Comment 103 for bug 1835660

So lz4 compressed initrd looks like this with hexdump

568f580 0523 00ac 54bf 4152 4c49 5245 2121 0021
568f590 0001 1cff 0050 0000 0000
568f59a

I do wonder what ram is initialized too, and how those things look when kernel reads initrd from memory as loaded by the bootloader / qemu.