panic reboot stuck in rtas_os_term

[Olaf Hering]

 On Wed, May 25, Jake Moilanen wrote:

> > What is the purpose of ibm,os-term anyway?
> > I just noticed that a POWER4 lpar did not reboot after a panic.
> > Thats clearly not the way panic=$bignum was designed.
> > Can we make ppc_md.panic optional please?
> 
> ibm,os-term is used to tell RTAS that the OS has finished normal
> operation.  RTAS will enact the service policy at that point (for
> example on old systems it would "call home").

How do I change that policy on a js20? Having a stuck system is as bad
as this stupid panic blinking on i386.

> I remember finding a bug (which I thought I fixed) that fixed a problem
> w/ the schedule timeout in the panic code: Novell 75391.

But the rtas call does not return, so the kernel cant do anything.