On 25/05/13 03:55 PM, Tom Wijsman wrote:
>> > I don't have "init=" set on my machines and it seems to
>> > start /sbin/init. So that should be correct.
> Ah yeah, a quick `ps axjf | grep bin/[i]nit` indeed confirms that.
>  

https://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/tree/init/main.c?id=v3.9#n820

> 	/*
> 	 * We try each of these until one succeeds.
> 	 *
> 	 * The Bourne shell can be used instead of init if we are
> 	 * trying to recover a really broken machine.
> 	 */
> 	if (execute_command) {
> 		if (!run_init_process(execute_command))
> 			return 0;
> 		printk(KERN_WARNING "Failed to execute %s.  Attempting "
> 					"defaults...\n", execute_command);
> 	}
> 	if (!run_init_process("/sbin/init") ||
> 	    !run_init_process("/etc/init") ||
> 	    !run_init_process("/bin/init") ||
> 	    !run_init_process("/bin/sh"))
> 		return 0;
> 
> 	panic("No init found.  Try passing init= option to kernel. "
> 	      "See Linux Documentation/init.txt for guidance.");