[lm-sensors] LPC47M192-NC Fans

b13johnson at comcast.net b13johnson at comcast.net
Wed Jan 20 05:30:11 CET 2010


Hi Jean, 

I am having what I believe is a similar problem to what Sean had. I have an HP pavilion desktop computer. I couldn't get sensors-detect to work with my smsc47m1 driver to work until I downloaded and built your modified one. Once I installed it, I got the following snippet from sensors-detect: 

---------------------------------------------------------- 
Some Super I/O chips contain embedded sensors. We have to write to 
standard I/O ports to probe them. This is usually safe. 
Do you want to scan for Super I/O sensors? (YES/no): y 
Probing for Super-I/O at 0x2e/0x2f 
Trying family `National Semiconductor'... No 
Trying family `SMSC'... Yes 
Found `SMSC LPC47M15x/192/997 Super IO Fan Sensors' Success! 
(address 0x600, driver `smsc47m1') 
Probing for Super-I/O at 0x4e/0x4f 
Trying family `National Semiconductor'... No 
Trying family `SMSC'... No 
Trying family `VIA/Winbond/Nuvoton/Fintek'... No 
Trying family `ITE'... No 
---------------------------------------------------------- 

However, at the end I get: 

---------------------------------------------------------- 
Now follows a summary of the probes I have just done. 
Just press ENTER to continue: 

Driver `smsc47m1': 
* ISA bus, address 0x600 
Chip `SMSC LPC47M15x/192/997 Super IO Fan Sensors' (confidence: 9) 

Do you want to overwrite /etc/sysconfig/lm_sensors? (YES/no): y 
Starting lm_sensors: loading module smsc47m1 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 
---------------------------------------------------------- 

If I answer no to the last question, and try to run modprobe manually, I get: 

---------------------------------------------------------- 
[root at Backup-P4 smsc47m1_driver]# modprobe smsc47m1 
FATAL: Error inserting smsc47m1 (/lib/modules/2.6.31.9-174.fc12.i686.PAE/kernel/drivers/hwmon/smsc47m1.ko): Device or resource busy 
---------------------------------------------------------- 

The log file "messages" has the following: 

---------------------------------------------------------- 
Jan 18 23:06:51 localhost kernel: i2c /dev entries driver 
Jan 18 23:07:05 localhost kernel: smsc47m1: Found SMSC LPC47M15x/LPC47M192/LPC47M997 
Jan 18 23:07:05 localhost kernel: ACPI: I/O resource smsc47m1 [0x604-0x604] conflicts with ACPI region SMC_ [0x600 
-0x65f] 
Jan 18 23:07:05 localhost kernel: ACPI: If an ACPI driver is available for this device, you should use it instead 
of the native driver 
---------------------------------------------------------- 

I'm running Fedora Core kernel 2.6.31.9-174.fc12.i686.PAE 

Do you have any ideas? I really appreciate your help. 

Thanks, 
Bob 

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