panic reboot stuck in rtas_os_term

[Olaf Hering]

 On Wed, May 25, Mike Strosaker wrote:

> The ibm,os-auto-restart variable in NVRAM (in the common partition, I 
> think), is set to 'x' by default, indicating that the OS doesn't have a 
> restart policy set.  The OS is supposed to set the policy to '1' or '0' to 
> indicate whether it wants to be restarted after a crash.  Unfortunately, 
> the variable is always reset to 'x' on reboot.

Thanks for the hint, I will try this.

> I don't know if these exist on the JS20, but there may also be 
> sp-plt-reboot and sp-os-plt-reboot variables in NVRAM.  The former sets the 
> platform's restart policy; the latter indicates whether the platform's or 
> OS's reboot policy should be used.  If they exist, I would expect that 
> setting the former to 'y' and the latter to 'n' would also cause os-term to 
> reboot.

A JS20 model 'IBM,8842-41X' has ibm,os-auto-restart, but model
'IBM,8842-21X' doesnt have it. I can probably add it with nvsetenv.