Re: [sparc32] Kernel module to control front LED

[Arnaldo Carvalho de Melo <acme@ghostprotocols.net>]

On 9/27/05, Eric Brower <ebrower@gmail.com> wrote:
> On 9/27/05, David S. Miller <davem@davemloft.net> wrote:
> > From: acme@ghostprotocols.net (Arnaldo Carvalho de Melo)
> > Date: Tue, 27 Sep 2005 18:18:59 -0300
> >
> > > Is this in any way similar to what the guardian service processor in
> > > PARISC64 machines provide? I.e. one can see what the leds in the machine
> > > front panel remotely :-)
> >
> > Nah, this is just a physical single LED on the front panel of
> > the machine that you can toggle on an off by flipping a bit
> > in an I/O register.
>
> Arnaldo,
>
> Certain Sun systems do have this sort of feature-- it has been called
> Lights Out Management (LOM), Remote System Control (RSC) and the like.
>  Basically, proprietary, pre-IPMI management controllers of varying
> functionality.  As DaveM mentions, this isn't it, though... :)
>
> There is ongoing work to support such controllers (e.g. on Sun E250
> and E450 servers).

Thanks for the information! I have to find time to get my SS 10 back to life and
use it to test my kernel hacks :-)

BTW, is 2.6.latest working well on Sparcstation 10s?

- Arnaldo