The first try doesn't look too hopeful - when I run with this image
it doesn't seem to call fs/open.c/sys_open.
Will pound at it some more and see what happens.
> The hello world program is also causing other problems. I have uploaded a
> new ramdisk image containing a statically linked stand alone shell as /bin/sh.
> It can be downloaded via http://www.netcologne.de/~nc-koerfgha/ramdisk.img.
> This shell does not only use stdin/stdout for it's output, but cures the
> strange locked buffers problem as well.
> Unfortunately I am still fighting with the Z8530 so I cannot tell if the shell
> really works, at least it prints a message and seems to wait for input.
> Maybe you'll have more luck, Tom.
> Have fun.