Re: [lm-sensors] conflicts with ACPI region RUNT?

[Jean Delvare <khali@linux-fr.org>]

On Sun, 14 Mar 2010 16:41:57 -0400, G. Vincent Castellano wrote:
> I am installing Ubunto 9.10 on a D945GCLF2 Intel Atom Mini-ITX MB with the 
> intent of running it as a server.  I have concerns about temperature because one 
> of the hard drives has already complained to me via smartd.
> 
> The "sensors" command says:
> 
> No sensors found!
> Make sure you loaded all the kernel drivers you need.
> Try sensors-detect to find out which these are.
> 
> This is after smsc47m1 was added to /etc/modules and the system restarted.
> 
> At startup, syslog is showing:
> 
> /var/log/syslog:Mar 14 12:26:53 m5 kernel: [    6.346129] smsc47m1: Found SMSC 
> LPC47M15x/LPC47M192/LPC47M997
> /var/log/syslog:Mar 14 12:26:53 m5 kernel: [    6.346201] ACPI: I/O resource 
> smsc47m1 [0x680-0x6ff] conflicts with ACPI region RUNT [0x680-0x6ff]
> 
> Do I need to get with kernel developers, or just do some more of RTFM?  Or what?

Blame the BIOS vendor. They requested _all_ runtime registers of the
Super-I/O chip, while they probably only need a few of them. This locks
Linux out of the chip, so the smsc47m1 driver can't access the
registers it needs.

(I guess you can also blame SMSC for using a single I/O range for many
unrelated things...)

> Since I'm just standing up this machine, it's available for any debugging or 
> other victimization that might speed resolution.
> 
> The RUNT message still appears after I set ACPI=off.

-- 
Jean Delvare

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