IPMI (BMC) lm-sensors

Mark D. Studebaker mds at paradyne.com
Sat Aug 10 01:54:54 CEST 2002


Agreed. That's why I put IPMI-BMC detection in sensors-detect in 2.6.3;
once people knew they had IPMI-BMC, maybe someone would write a driver.
We've had maybe 1 or 2 people ask about it in the 4 1/2 months since
2.6.3 was released. And no volunteers.

If you start the work, let us know, and we will add the information
to our 'new drivers' page.

One complication - IPMI defines both an SMBus and sensors.
So the development may involve both 'bus' and 'chip' drivers.

mds


phil at netroedge.com wrote:
> 
> Mostly it's because there hasn't been the effort/time/interest.
> There are also some mild arguments against depending on platform
> specific features, like IPMI, instead of driving the hardware directly
> (a POSIX thing), but we'd like to see an IPMI driver.
> 
> The implementation would be pretty basic, I would think.  It would be
> like a chip driver (see chips/lm75.c) which doesn't depend on a bus
> driver.  Since this could migrate into the mainstream kernel, it would
> need to support, or at least cleanly stub out, on unsupport
> architectures instead of causing compiling nightmares.
> 
> Mark, any comments on this?
> 
> Phil
> 
> On Thu, Aug 08, 2002 at 05:24:34PM -0400, GOBEILLE,BOB (HP-FtCollins,ex1) wrote:
> > Phil,
> > I see from the lm-sensors newdrivers web page that there is no support
> > planned for IPMI (BMC).  Is this because the lm-sensors developers don't
> > think that IPMI support belongs in lm-sensors or because no one has had the
> > time to do it or because no one has hardware with a BMC?
> >
> > I work in the Hewlett Packard Linux R&D lab and I would sure like lm-sensors
> > to talk IPMI so that existing tools that use lm-sensors will work with the
> > BMC machines that we have.  We don't have anyone in the lab who is very
> > familiar with lm-sensors so if we tried to contribute this we would be
> > starting from scratch.  This is still a possibility but I wanted to get an
> > idea if there was a philisophical argument against putting IPMI into
> > lm-sensors.
> >
> > Thanks,
> > Bob Gobeille
> > Hewlett Packard Corporation
> > Bob.Gobeille at hp.com
> 
> --
> Philip Edelbrock -- IS Manager -- Edge Design, Corvallis, OR
>    phil at netroedge.com -- http://www.netroedge.com/~phil
>  PGP F16: 01 D2 FD 01 B5 46 F4 F0  3A 8B 9D 7E 14 7F FB 7A



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