Hi Grant, > Does this dmesg fragment mean anything? > ... > piix4_smbus 0000:00:07.3: Found 0000:00:07.3 device > piix4_smbus 0000:00:07.3: Using Interrupt SMI# for SMBus. > piix4_smbus 0000:00:07.3: SMBREV = 0x0 > piix4_smbus 0000:00:07.3: SMBA = 0x5000 > ... It's from the PIIX4 SMBus, which we know isn't connected to the LM78 chip, so it's useless. > >Try loading the lm78 module with force_lm78=9191,0x290. Also try > >isadump 0x295 0x296. Both should give results if assertion #3 is > >correct. > > root at silly:~# modprobe lm78 force_lm78=9191,0x290 > root at silly:~# sensors > No sensors found! Oh, did I mention that you needed to load i2c-isa then? > root at silly:~# isadump 0x295 0x296 > WARNING! Running this program can cause system crashes, data loss and > worse! I will probe address register 0x295 and data register 0x296. > Continue? [Y/n] > 0 1 2 3 4 5 6 7 8 9 a b c d e f > 00: 28 00 02 0a 00 50 00 0c e0 08 a1 00 0c 14 28 02 > 10: 0a 2a 40 41 00 00 58 2e 22 10 00 4c 23 10 62 00 > 20: 7f 5d d1 bd be b8 c1 19 ff ff ff 30 08 02 11 18 > 30: 1c 50 90 60 02 02 54 46 04 41 0c 00 00 02 01 80 > 40: 08 00 10 00 00 00 40 50 2d 40 40 40 40 40 40 00 > 50: 08 00 10 00 00 00 40 50 2d 40 40 40 40 40 40 00 > 60: 7f 5d d1 bd be b8 c1 19 ff ff ff 30 08 02 11 18 > 70: 1c 50 90 60 02 02 54 46 04 41 0c 00 00 02 01 80 > 80: 28 00 02 0a 00 50 00 0c e0 08 a1 00 0c 14 28 02 > 90: 0a 2a 40 41 00 00 58 2e 22 10 00 4c 23 10 62 00 > a0: 7f 5d d1 bd be b8 c1 19 ff ff ff 30 08 02 11 18 > b0: 1c 50 90 60 02 02 54 46 04 41 0c 00 00 02 01 80 > c0: 08 00 10 00 00 00 40 50 2d 40 40 40 40 40 40 00 > d0: 08 00 10 00 00 00 40 50 2d 40 40 40 40 40 40 00 > e0: 7f 5d d1 bd be b8 c1 19 ff ff ff 30 08 02 11 18 > f0: 1c 50 90 60 02 02 54 46 04 41 0c 00 00 02 01 80 This is a hardware monitoring chip for sure, so it's there, and we have a misdetection problem. Can you provide the output of: isadump -y -f 0x290 8 -- Jean Delvare
