Getting jedec_dimm to work

[driesm.michiels at gmail.com]

> -----Original Message-----
> From: driesm.michiels at gmail.com <driesm.michiels at gmail.com>
> Sent: donderdag 7 november 2019 19:46
> To: 'Andriy Gapon' <avg at FreeBSD.org>; 'Julian Elischer' <julian at freebsd.org>;
> freebsd-hackers at freebsd.org
> Subject: RE: Getting jedec_dimm to work
> 
> After loading the suggested driver and changing the
> hint.jedec_dimm.*.at="smbus0" to hint.jedec_dimm.*.at ="ichsmb0"
Sorry for the noise, but never mind the change in hint.jedec_dimm*.at. It was just a matter of loading the correct driver =).

> Everything is working smooth. Thanks! A reboot was not even needed!
> 
> ichsmb0 at pci0:0:31:4:    class=0x0c0500 card=0x79981462 chip=0xa1238086
> rev=0x31 hdr=0x00
>     vendor     = 'Intel Corporation'
>     device     = '100 Series/C230 Series Chipset Family SMBus'
>     class      = serial bus
>     subclass   = SMBus
> 
> I'll submit some minor extra's to the man page if that’s OK.
> Detailing a bit more how to find the correct location of the dimms and the
> correct driver to load (with pciconf).
> 
> Regards & thanks again!
> Dries
> 
>  -----Original Message-----
> > From: Andriy Gapon <avg at FreeBSD.org>
> > Sent: donderdag 7 november 2019 19:16
> > To: driesm.michiels at gmail.com; 'Julian Elischer' <julian at freebsd.org>;
> > freebsd-hackers at freebsd.org
> > Subject: Re: Getting jedec_dimm to work
> >
> > On 07/11/2019 20:06, driesm.michiels at gmail.com wrote:
> > > Honestly, I kinda *assumed* it was a common interface used on every
> > motherboard.
> > > This seems a *very* wrong assumption, as I just went through my
> > > dmesg
> > and I didn't see any smbus getting detected..
> > > I guess the driver won't work without one? Or is it possible to get
> > > the driver
> > attached over another bus/interface that my system has?
> >
> > No, you do need an smbus.
> > Check with pciconf -lv if you have any device without a driver that
> > looks like it could be an SMBus controller.
> > Maybe ichsmb driver will work for you (kldload ichsmb).
> >
> > --
> > Andriy Gapon