[lm-sensors] Incorrect magnitude (=3, should be 2) for BMC temp1 sensor reading

[Tony Griffiths]

Note that this machine is running a modified version of the FC7 2.6.22 
kernel.  One of the modifications involved making the ipmisensors module 
run under Linux 2.6.22 (properly)!

[lm_sensors 2.10.3 before patch]

[root at noakes redhat]# sensors
bmc-isa-0000
Adapter: ISA adapter
CMOS Battery:
           +3.08 V  (min =  +2.64 V, max =  +0.00 V)
Fan 1:    3525 RPM  (min =  675 RPM)
Fan 2A:   7650 RPM  (min =  675 RPM)
Fan 2B:   5400 RPM  (min =  675 RPM)
Fan 3A:   7650 RPM  (min =  675 RPM)
Fan 3B:   5550 RPM  (min =  675 RPM)
Fan 4A:   7425 RPM  (min =  675 RPM)
Fan 4B:   5400 RPM  (min =  675 RPM)
Fan 5A:   7575 RPM  (min =  675 RPM)
Fan 5B:   5475 RPM  (min =  675 RPM)
Temp:  +3.9°C  (high =    +9°C, hyst =   -13°C)  *** WRONG ***
Temp: +45.0°C  (high =    +9°C, hyst =   -13°C)
Planar Temp:
           +33.0°C  (high =    +8°C, hyst =   -13°C)
VRD 0 Temp:
           +26.0°C  (high =    +7°C, hyst =   -13°C)
VRD 1 Temp:
           +28.0°C  (high =    +7°C, hyst =   -13°C)


[After patch applied and RPM rebuilt]

[root at noakes redhat]# sensors
bmc-isa-0000
Adapter: ISA adapter
CMOS Battery:
           +3.08 V  (min =  +2.64 V, max =  +0.00 V)
Fan 1:    3525 RPM  (min =  675 RPM)
Fan 2A:   7650 RPM  (min =  675 RPM)
Fan 2B:   5400 RPM  (min =  675 RPM)
Fan 3A:   7725 RPM  (min =  675 RPM)
Fan 3B:   5550 RPM  (min =  675 RPM)
Fan 4A:   7425 RPM  (min =  675 RPM)
Fan 4B:   5475 RPM  (min =  675 RPM)
Fan 5A:   7575 RPM  (min =  675 RPM)
Fan 5B:   5475 RPM  (min =  675 RPM)
Temp: +38.0°C  (high =    +9°C, hyst =   -13°C)
Temp: +43.0°C  (high =    +9°C, hyst =   -13°C)
Planar Temp:
           +32.0°C  (high =    +8°C, hyst =   -13°C)
VRD 0 Temp:
           +26.0°C  (high =    +7°C, hyst =   -13°C)
VRD 1 Temp:
           +28.0°C  (high =    +7°C, hyst =   -13°C)


and the output from ipmitool confirming that sensors is displaying the 
correct values-

[root at noakes lm_sensors-2.10.3]# ipmitool -I open sdr elist
Temp             | 01h | ok  |  3.2 | 38 degrees C
Temp             | 02h | ok  |  3.3 | 42 degrees C
Planar Temp      | 04h | ok  |  7.1 | 32 degrees C
VRD 0 Temp       | 05h | ok  |  7.1 | 26 degrees C
VRD 1 Temp       | 06h | ok  |  7.1 | 27 degrees C
CMOS Battery     | 10h | ok  |  7.1 | 3.08 Volts
VCORE            | 11h | ok  |  3.2 | State Deasserted
VCORE            | 12h | ok  |  3.3 | State Deasserted
PROC VTT         | 13h | ok  |  7.1 | State Deasserted
1.5V PG          | 14h | ok  |  7.1 | State Deasserted
1.8V PG          | 15h | ok  |  7.1 | State Deasserted
Presence         | 20h | ok  |  3.2 | Present
Presence         | 21h | ok  |  3.3 | Present
Fan 1            | 30h | ok  |  7.1 | 3525 RPM
Fan 2A           | 31h | ok  |  7.1 | 7650 RPM
Fan 2B           | 32h | ok  |  7.1 | 5400 RPM
Fan 3A           | 33h | ok  |  7.1 | 7725 RPM
Fan 3B           | 34h | ok  |  7.1 | 5550 RPM
Fan 4A           | 35h | ok  |  7.1 | 7425 RPM
Fan 4B           | 36h | ok  |  7.1 | 5475 RPM
Fan 5A           | 37h | ok  |  7.1 | 7500 RPM
Fan 5B           | 38h | ok  |  7.1 | 5475 RPM
Status           | 40h | ok  |  3.2 | Presence detected
Status           | 41h | ok  |  3.3 | Presence detected
VRM              | 44h | ok  |  3.2 | Presence detected
VRM              | 45h | ok  |  3.3 | Presence detected
OS Watchdog      | 50h | ok  |  7.1 |
SEL              | 51h | ns  |  7.1 | Disabled
Intrusion        | 52h | ok  |  7.1 |
Fan Redundancy   | 54h | ok  |  7.1 | Fully Redundant
ECC Corr Err     | 01h | ok  | 34.6 | Presence Detected, Configuration Error
ECC Uncorr Err   | 02h | ok  | 34.6 | Presence Detected, Configuration Error
I/O Channel Chk  | 03h | ns  | 34.6 | Disabled
PCI Parity Err   | 04h | ok  | 34.6 | EISA failsafe timeout, Bus 
Correctable error
PCI System Err   | 05h | ok  | 34.6 | EISA failsafe timeout, Bus 
Correctable error
SBE Log Disabled | 06h | ok  | 34.6 |
Logging Disabled | 07h | ns  | 34.6 | Disabled
Unknown          | 08h | ns  | 34.6 | Disabled
PROC Protocol    | 0Ah | ns  | 34.6 | Disabled
PROC Bus PERR    | 0Bh | ns  | 34.6 | Disabled
PROC Init Err    | 0Ch | ns  | 34.6 | Disabled
PROC Machine Chk | 0Dh | ns  | 34.6 | Disabled
Memory Spared    | 11h | ok  | 34.6 | Fully Redundant
Memory Mirrored  | 12h | ok  | 34.6 | Fully Redundant
Memory RAID      | 13h | ok  | 34.6 | Fully Redundant
Memory Added     | 14h | ok  | 34.6 | Correctable ECC
Memory Removed   | 15h | ok  | 34.6 | Correctable ECC
PCIE Fatal Err   | 18h | ns  | 34.6 | Disabled
Chipset Err      | 19h | ns  | 34.6 | Disabled
Err Reg Pointer  | 1Ah | ns  | 34.6 | No Reading

The attached patch files fix this problem for the FC7 version of 
lm_sensors 2.10.3 !

-------------- next part --------------
An embedded and charset-unspecified text was scrubbed...
Name: lm_sensors-2.10.3-bmc-temp1-fixup.patch
Url: http://lists.lm-sensors.org/pipermail/lm-sensors/attachments/20070806/f10bb101/attachment.pl 
-------------- next part --------------
An embedded and charset-unspecified text was scrubbed...
Name: lm_sensors.spec.patch
Url: http://lists.lm-sensors.org/pipermail/lm-sensors/attachments/20070806/f10bb101/attachment-0001.pl