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vt1211/Via mobo sensors on R5E40 [Partial sensors install?]
http://forums.linhes.org/viewtopic.php?f=2&t=14377		 Page 1 of 1
Author:  tuatara [ Tue Feb 27, 2007 4:08 pm ]
Post subject:  vt1211/Via mobo sensors on R5E40 [Partial sensors install?]
I've been wanting to add cpu and mobo temp sensors to my VIA EPIA MII12000 KM box so I can monitor the impact of reducing the fan speed/noise.

rrd is an awesome addon - but at this point it lacks cpu temp out of the box. There is an
article on KM wiki (http://knoppmythwiki.org/index.php?page=MonitoringGraphsHowto)
on how to add cpu temps, but for me lm_sensors reports it needs to add vt1211 and pca9540 modules to the kernel - neither of which are installed by default.

The good news is that vt1211 is included in the 2.6.19 kernel. R5E50 has 2.6.18-chw-13! Darn! Off by one :).

So I was wondering if anyone has done this? That is, do they have the vt1211 and pca9540 modules already built and (being lazy here) can share?

Many thanks.
Paul.
Author:  tuatara [ Tue Feb 27, 2007 6:13 pm ]
Post subject:  oooops
!!:s/R5E40/R5E50/

(in case anyone was wondering - cecil hasn't released a new version).
Author:  tuatara [ Tue Feb 27, 2007 9:14 pm ]
Post subject:  lm_sensors installed or not?
So I've been digging into this a little.
Remember - my goal is the sensors for my mobo/cpu - the
EPIA MII12000. According to sensors_detect, that requires the
vt1211 and pca9540 modules.

I appears that at least *some* of lm_sensors are installed in
R5E50 by default - namely the apps (sensors_detect, sensors,
man pages) and some of the modules (e.g. vt8231).
"sensors --version" reports that it is version 2.10.1.

I can download lm_sensors 2.10.2 and build it (well sorta - there's
a problem with `mach_mpspec.h', but thats another story).

My question is: should I simply do a "make user-install" with
lm_sensors to get vt1211 and pca9540, or is that going to get me
into a world of pain by interfering with the current lm-sensors? Is there
a reason sensors was installed without the vt1211 and others?

I appreciate any ideas people can provide.
Paul.
Author:  tuatara [ Wed Feb 28, 2007 3:02 am ]
Post subject: 
Not sure if this counts as madness - I seem to be talking to
myself here.

Anyway, further down the rabbit hole...

I didn't want to just make install on lm_sensors in case I broke
something. So I tried applying the patches for
vt1211, pca954x and (as it turns out, you need this) i2c_virt.
All of these were found in the lists on lkml.org.

I applied vt1211 then 'make modules'.
That worked - recognised the new module in Kconfig and
asked whether to include.

Loaded and unloaded ok. Now I've applied pca954x and i2c_virt
and am rebuilding. These patches are reasonably invasive - especially
the i2c_virt which could have dire consequences all over other
i2c modules. Cross fingers...
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