This is a newer mini-ITX LGA 1155 motherboard with an i3-2100 cpu
attached, running CentOS 6 (kernel is based on 2.6.32). I upgraded
lm_sensors to the latest and greatest:
# sensors -v
sensors version 3.3.1 with libsensors version 3.3.1
Abbreviated output of sensors-detect:
-----
# sensors-detect revision 5984 (2011-07-10 21:22:53 +0200)
# System: System manufacturer System Product Name
# Board: ASUSTeK Computer INC. P8H67-I DELUXE
...
Driver `w83627ehf':
* ISA bus, address 0x290
Chip `Nuvoton NCT6776F Super IO Sensors' (confidence: 9)
Driver `coretemp':
* Chip `Intel digital thermal sensor' (confidence: 9)
Do you want to overwrite /etc/sysconfig/lm_sensors? (YES/no):
Starting lm_sensors: loading module coretemp w83627ehf No sensors found!
Make sure you loaded all the kernel drivers you need.
Try sensors-detect to find out which these are.
[FAILED]
Unloading i2c-dev... OK
-----
Neither of the two suggested drivers will load:
# modprobe coretemp
FATAL: Error inserting coretemp
(/lib/modules/2.6.32-71.29.1.el6.x86_64/kernel/drivers/hwmon/coretemp.ko):
No such device
# modprobe w83627ehf
FATAL: Error inserting w83627ehf
(/lib/modules/2.6.32-71.29.1.el6.x86_64/weak-updates/w83627ehf/w83627ehf.ko):
Device or resource busy
# tail /var/log/messages
kernel: coretemp: Unknown CPU model 0x2a
kernel: w83627ehf: Found NCT6776F chip at 0x290
kernel: ACPI: I/O resource w83627ehf [0x295-0x296] conflicts with ACPI
region HWRE [0x290-0x299]
kernel: ACPI: If an ACPI driver is available for this device, you
should use it instead of the native driver
The version of coretemp for this kernel predates the Sandy Bridge
procs so I tried compiling a recent revision (from the 3.0 kernel),
but quickly left my comfort zone: there were \ too many source
changes, not just to coretemp.c but to other included header files,
and I couldn't get the module with the newer coretemp.c to build on my
older kernel source tree. I could try compiling and running a more
recent kernel, but this would defeat the purpose of using CentOS (and
yes I realize I shouldn't always expect stable software to work with
brand new hardware). Is there anything else I can try besides waiting
for CentOS to backport a more recent coretemp?
Fortunately (or so I thought), I could skip coretemp and rely on the
Nuvoton chip to work. But I see it conflicts with ACPI and my kernel
is just new enough that it will not allow the
"acpi_enforce_resources=lax" hack. This led me to try:
# modprobe asus_atk0110
which apparently works:
# lsmod|grep asus
asus_atk0110 14470 0
hwmon 2464 1 asus_atk0110
but has little effect since sensors won't pick it up:
# sensors -s
No sensors found!
Make sure you loaded all the kernel drivers you need.
Try sensors-detect to find out which these are.
And there's nothing happening here where acpi drivers are supposed to
do their thang:
# ls -al /sys/class/hwmon/
total 0
drwxr-xr-x. 2 root root 0 Aug 21 21:22 .
drwxr-xr-x. 41 root root 0 Aug 21 23:02 ..
I'm out of ideas for what to try next, any suggestions would be
greatly appreciated!
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