SMU-base PowerMac and server_mode

Benjamin Herrenschmidt benh at
Tue Oct 6 21:11:22 EST 2009

On Tue, 2009-10-06 at 11:16 +0200, Romain Goyet wrote:
> Hi there,
>   I have this Quad G5 here, running GentooPPC64. Runs fine. Had a hard
> time getting it to boot without a screen attached, but I eventually
> managed to (yaboot was the culprit). However, this machine is
> SMU-based, and I couldn't find a way to enable the equivalent of the
> PMU's "server_mode" (i.e. automatically reboot after a power failure).
> Is there any known way to do that ?

I'm pretty sure I reverse engineered the necessary command a while back
and somebody wrote a userland tool to set it, but I can't find it
anymore :-)

Google may help. Let me know if you can't find it.


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