hello
i have problem with such configuration : intel se7520jr2 + IMM +
backplane (lm75 onboard)
when i starts the system (kernel 2.6.17 with patch form openipmi
project) without IMM and scan i2c busses i gets this information:
0 1 2 3 4 5 6 7 8 9 a b c d e f
00: XX XX XX XX XX 08 XX XX XX XX XX XX XX
10: XX XX XX XX XX XX XX XX XX XX XX XX XX XX XX XX
20: XX XX XX XX XX XX XX XX XX XX XX XX XX XX XX XX
30: XX XX XX XX XX XX XX XX XX XX XX XX XX XX XX XX
40: XX XX 42 XX 44 XX XX XX XX XX XX XX 4c 4d XX XX
50: XX XX 52 XX XX 55 56 XX XX XX XX XX XX XX XX XX
60: XX XX XX XX XX XX XX XX XX 69 XX XX XX XX 6e XX
70: XX XX XX XX XX XX XX XX
as you can see lm75 is available on 0x4c 0x4d address
when i load module for lm75 then i2cdetect show me:
0 1 2 3 4 5 6 7 8 9 a b c d e f
00: XX XX XX XX XX 08 XX XX XX XX XX XX XX
10: XX XX XX XX XX XX XX XX XX XX XX XX XX XX XX XX
20: XX XX XX XX XX XX XX XX XX XX XX XX XX XX XX XX
30: XX XX XX XX XX XX XX XX XX XX XX XX XX XX XX XX
40: XX XX 42 XX 44 XX XX XX XX XX XX XX UU UU XX XX
50: XX XX 52 XX XX 55 56 XX XX XX XX XX XX XX XX XX
60: XX XX XX XX XX XX XX XX XX 69 XX XX XX XX 6e XX
70: XX XX XX XX XX XX XX XX
lm75 is used and in /sys/bus/i2c exists two links: 0-004c 0-004d
inside them i can find interested me information:
lrwxrwxrwx 1 root root 0 Jul 17 15:42 bus -> ../../../../../bus/i2c
lrwxrwxrwx 1 root root 0 Jul 17 15:42 driver ->
../../../../../bus/i2c/drivers/lm75
lrwxrwxrwx 1 root root 0 Jul 17 15:42 hwmon:hwmon1 ->
../../../../../class/hwmon/hwmon1
-r--r--r-- 1 root root 4096 Jul 17 15:42 name
drwxr-xr-x 2 root root 0 Jul 17 15:41 power
-r--r--r-- 1 root root 4096 Jul 17 15:42 temp1_input
-rw-r--r-- 1 root root 4096 Jul 17 15:42 temp1_max
-rw-r--r-- 1 root root 4096 Jul 17 15:42 temp1_max_hyst
--w------- 1 root root 4096 Jul 17 15:42 uevent
the problem is when i start the syetem with IMM connected to
motherboard. then i2cdetect shows:
0 1 2 3 4 5 6 7 8 9 a b c d e f
00: XX XX XX XX XX 08 XX XX XX XX XX XX XX
10: 10 XX XX XX 14 XX XX XX XX XX XX XX XX XX XX XX
20: XX XX XX XX XX XX XX XX XX XX XX XX XX XX XX XX
30: XX XX XX XX XX XX XX XX XX XX XX XX XX XX XX XX
40: XX XX 42 XX 44 XX XX XX XX XX XX XX XX XX XX XX
50: XX XX 52 XX XX XX 56 XX XX XX XX XX XX XX XX XX
60: XX XX XX XX XX XX XX XX XX 69 XX XX XX XX 6e XX
70: XX XX XX XX XX XX XX XX
as you can see devices from address 0x4c and 0x4d dissapeared
when i'm using ipmitools i can see only:
Power Unit | 0x0 | discrete | 0x0000| na | na
| na | na | na | na
BMC Watchdog | 0x0 | discrete | 0x0000| na | na
| na | na | na | na
Scrty Violation | 0x0 | discrete | 0x0000| na | na
| na | na | na | na
POST Error | 0x0 | discrete | 0x0000| na | na
| na | na | na | na
Critical Int | 0x0 | discrete | 0x0000| na | na
| na | na | na | na
Memory | 0x0 | discrete | 0x0000| na | na
| na | na | na | na
Logging Disabled | 0x0 | discrete | 0x0000| na | na
| na | na | na | na
Session Audit | 0x0 | discrete | 0x0000| na | na
| na | na | na | na
BB +1.2V Vtt | 1.210 | Volts | ok | na | 1.090
| 1.109 | 1.292 | 1.317 | na
+1.5V NIC Core | 1.529 | Volts | ok | na | 1.357
| 1.388 | 1.615 | 1.646 | na
BB +1.5v | 1.498 | Volts | ok | na | 1.357
| 1.388 | 1.615 | 1.646 | na
Memory Voltage | 1.802 | Volts | ok | na | 1.627
| 1.669 | 1.936 | 1.978 | na
BB +3.3V | 3.337 | Volts | ok | na | 2.993
| 3.062 | 3.543 | 3.629 | na
STBY +3.3V | 3.337 | Volts | ok | na | 2.993
| 3.062 | 3.543 | 3.629 | na
AUX +3.3V | 3.281 | Volts | ok | na | 2.992
| 3.060 | 3.553 | 3.621 | na
BB +5V | 4.992 | Volts | ok | na | 4.524
| 4.628 | 5.382 | 5.486 | na
STBY +5V | 5.037 | Volts | ok | na | 4.549
| 4.626 | 5.371 | 5.500 | na
BB +12V | 12.090 | Volts | ok | na |
10.912 | 11.098 | 12.896 | 13.144 | na
BB -12V | -11.758 | Volts | ok | na |
-13.119 | -12.842 | -11.178 | -10.952 | na
BB Vbat | 0x0 | discrete | 0x0400| na | na
| na | na | na | na
Baseboard Temp | 36.000 | degrees C | ok | na | 5.000
| 10.000 | 60.000 | 66.000 | na
Proc Missing | 0x0 | discrete | 0x0000| na | na
| na | na | na | na
System Event | 0x0 | discrete | 0x0000| na | na
| na | na | na | na
Button | 0x0 | discrete | 0x0000| na | na
| na | na | na | na
SMI Timeout | 0x0 | discrete | 0x0000| na | na
| na | na | na | na
NMI State | 0x0 | discrete | 0x0000| na | na
| na | na | na | na
SMI State | 0x0 | discrete | 0x0000| na | na
| na | na | na | na
CPU 1 Status | 0x0 | discrete | 0x8000| na | na
| na | na | na | na
CPU 2 Status | 0x0 | discrete | 0x0000| na | na
| na | na | na | na
CPU 1 Temp | 39.000 | degrees C | ok | na | 5.000
| 10.000 | 91.000 | 99.000 | na
CPU Config Error | 0x0 | discrete | 0x0000| na | na
| na | na | na | na
DIMM 1B | 0x0 | discrete | 0x0400| na | na
| na | na | na | na
DIMM 1A | 0x0 | discrete | 0x0400| na | na
| na | na | na | na
DIMM 2B | 0x0 | discrete | 0x0000| na | na
| na | na | na | na
DIMM 2A | 0x0 | discrete | 0x0000| na | na
| na | na | na | na
DIMM 3B | 0x0 | discrete | 0x0000| na | na
| na | na | na | na
DIMM 3A | 0x0 | discrete | 0x0000| na | na
| na | na | na | na
D1 Sparing Enb | na | discrete | na | na | na
| na | na | na | na
D1 Spare Redun | na | discrete | na | na | na
| na | na | na | na
D2 Sparing Enb | na | discrete | na | na | na
| na | na | na | na
D2 Spare Redun | na | discrete | na | na | na
| na | na | na | na
D1 Mirror Enbl | na | discrete | na | na | na
| na | na | na | na
D1 MirrorRedun | na | discrete | na | na | na
| na | na | na | na
do you have any ideas how can i get access to lm75 when IMM is connected ??
(i try i2c-ipmi without results)
--
Regards
Lukasz Wittig
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