[Nut-upsuser] Weird Load and Battery Temp Readings

[Bob Blackwell]

---> On 16/03/2009 8:00 AM, nut-upsuser-request at lists.alioth.debian.org 
wrote:
>> I'm rather green at Linux thus it'll likely take me a couple
>> of days to determine if there's a hotplug/udev issue. Until then I'll
>> refrain from posting debug's output.
>>     
>
> It looks like this might be caused by an (unexpected) use of signed  
> chars on your system. The HID parser really doesn't cope with that  
> properly in nut-2.4.1 and before. I have attempted to work around that  
> in the latest version in the SVN trunk. I could be that the problem  
> with the strange readings, is that the logic used to calculate the  
> exponent is off by a factor of 10^256 due to problems with the  
> interpretation of (signed char) values as (unsigned char) on your  
> system.
>
> If you post debug output, make sure to include the report descriptor,  
> which would be the most valueable part, together with the initial dump  
> of the variables.
>
> Best regards, Arjen
>   
I've managed to overcome "time out" error and captured a debug log with 
the requested detail;

send_to_all: SETINFO driver.parameter.port "AUTO"
debug level is '5'
upsdrv_initups...
Checking device (051D/0002) (001/004)
- VendorID: 051d
- ProductID: 0002
- Manufacturer: American Power Conversion
- Product: Back-UPS RS 900 FW:9.o2 .D USB FW:o2
- Serial Number: 5B0743U08220 
- Bus: 001
Trying to match device
Device matches
HID descriptor, method 1: (9 bytes) => 09 21 10 01 21 01 22 c1 04
i=0, extra[i]=09, extra[i+1]=21
HID descriptor, method 2: (9 bytes) => 09 21 10 01 21 01 22 c1 04
HID descriptor length 1217
Report Descriptor size = 1217
Report Descriptor: (1217 bytes) => 05 84 09 04 a1 01 09 24 a1 02 85 01 09
 fe 79 01 75 08 95 01 15 00 26 ff 00 b1 22 85 02 09 ff 79 02 b1 22 85 03 09
 fd 79 03 b1 22 05 85 85 04 09 8f 79 03 b1 22 85 05 09 89 79 04 b1 22 85 06
 09 8b b1 22 09 2c b1 22 85 0e 09 83 25 64 b1 22 09 67 b1 22 85 0c 09 66 81
 22 09 66 b1 a2 85 10 09 8d b1 22 09 8e b1 22 85 0f 09 8c b1 22 85 11 09 29
 b1 a2 85 09 09 85 75 10 27 ff ff 00 00 b1 a2 85 0d 09 68 27 ff ff 00 00 66
 01 10 55 00 81 22 09 68 b1 a2 05 84 85 12 09 57 16 ff ff 26 ff 7f b1 a2 85
 13 09 55 75 18 17 ff ff ff ff 27 18 c5 13 00 b1 a2 05 85 85 08 09 2a 75 10
 27 64 05 00 00 16 78 00 b1 a2 05 84 85 0a 09 40 15 00 27 ff ff 00 00 67 21
 d1 f0 00 55 05 b1 22 85 0b 09 30 b1 a2 85 14 09 5a 75 08 15 01 25 03 65 00
 55 00 b1 a2 09 02 a1 02 85 07 05 85 09 44 75 01 15 00 25 01 81 a2 09 44 b1
 a2 09 45 81 a2 09 45 b1 a2 09 d0 81 a2 09 d0 b1 a2 09 d1 81 a2 09 d1 b1 a2
 09 42 81 a2 09 42 b1 a2 05 84 09 68 81 a2 09 68 b1 a2 09 69 81 a2 09 69 b1
 a2 05 85 09 43 81 a2 09 43 b1 a2 05 84 09 73 81 a2 09 73 b1 a2 05 85 09 4b
 81 a2 09 4b b1 a2 05 84 09 65 81 a2 09 65 b1 a2 05 85 09 db 81 a2 09 db b1
 a2 06 86 ff 09 80 81 a2 09 80 b1 a2 95 03 81 01 b1 01 c0 c0 05 84 09 12 a1
 00 85 16 09 58 75 08 95 01 25 06 81 a2 09 58 b1 a2 06 86 ff 85 17 09 19 25
 5a b1 a2 85 1b 09 1a 25 03 b1 a2 85 1c 09 1b 26 ff 00 b1 a2 85 45 09 16 75
 18 27 ff ff ff 00 b2 a2 01 05 85 85 15 09 85 75 10 27 ff ff 00 00 b1 a2 85
 18 09 66 55 0f b1 a2 85 1a 09 2a 27 64 05 00 00 16 78 00 66 01 10 55 00 b1
 a2 85 19 27 ff ff 00 00 15 00 09 68 b1 a2 05 84 85 1e 09 36 67 01 00 01 00
 55 0f b1 a2 85 1f 09 40 67 21 d1 f0 00 55 05 b1 22 85 1d 09 30 b1 a2 85 47
 06 86 ff 09 24 75 08 16 e9 00 26 fe 00 65 00 55 00 b1 a2 85 48 09 18 75 20
 17 01 00 00 80 27 ff ff ff 7f b2 a2 01 c0 05 84 09 1a a1 00 85 20 09 30 15
 00 27 ff ff 00 00 67 21 d1 f0 00 55 06 b1 a2 85 46 09 40 75 08 15 00 26 ff
 00 67 21 d1 f0 00 55 07 b1 22 06 86 ff 85 21 09 52 75 08 25 0a 65 00 55 00
 b1 a2 85 22 09 61 25 02 b1 a2 85 42 09 24 16 75 00 26 8b 00 65 00 55 00 b1
 a2 c0 05 84 09 1c a1 00 85 2c 09 35 75 10 15 00 27 ff ff 00 00 55 0f b1 a2
 85 52 09 44 66 21 d1 55 07 b1 a2 85 2a 09 32 66 01 f0 55 0e b1 a2 85 2b 09
 30 67 21 d1 f0 00 55 06 b1 a2 85 2d 09 40 16 78 00 26 78 00 55 07 b1 a2 85
 23 09 54 16 88 00 26 8e 00 b1 a2 85 24 09 53 16 5e 00 26 68 00 b1 a2 06 86
 ff 85 25 09 7e 15 00 27 a4 01 00 00 66 01 10 55 00 b1 a2 85 26 09 76 27 76
 02 00 00 b1 a2 05 84 85 27 09 57 16 ff ff 26 ff 7f b1 a2 85 28 09 56 b1 a2
 85 29 09 55 75 18 17 ff ff ff ff 27 18 c5 13 00 b1 a2 06 86 ff 85 40 09 7c
 75 08 25 01 b1 a2 85 41 09 7d 75 10 16 ff ff 26 ff 7f 66 01 10 b1 a2 c0 05
 84 85 2e 09 fe 79 05 75 08 15 00 26 ff 00 65 00 b1 22 85 2f 09 ff 79 02 b1
 22 85 30 09 fd 79 03 b1 22 85 31 09 01 79 06 b1 a2 06 86 ff 85 34 09 42 79
 07 b1 22 06 86 ff 85 37 09 79 79 08 b1 22 85 32 09 72 25 01 b1 a2 05 85 85
 35 09 85 75 10 27 ff ff 00 00 b1 22 06 86 ff 85 3e 09 27 75 20 15 00 27 ff
 ff ff 7f b1 a2 85 3f 09 28 b1 a2 05 84 85 36 09 5a 75 08 15 01 25 03 b1 a2
 09 02 a1 02 85 33 05 85 09 44 75 01 15 00 25 01 81 a2 09 44 b1 a2 09 45 81
 a2 09 45 b1 a2 09 d0 81 a2 09 d0 b1 a2 09 d1 81 a2 09 d1 b1 a2 09 42 81 a2
 09 42 b1 a2 05 84 09 68 81 a2 09 68 b1 a2 09 69 81 a2 09 69 b1 a2 05 85 09
 43 81 a2 09 43 b1 a2 05 84 09 73 81 a2 09 73 b1 a2 05 85 09 4b 81 a2 09 4b
 b1 a2 05 84 09 65 81 a2 09 65 b1 a2 05 85 09 db 81 a2 09 db b1 a2 06 86 ff
 09 80 81 a2 09 80 b1 a2 95 03 81 01 b1 01 c0 06 86 ff 09 01 a1 00 85 60 09
 23 75 10 95 01 15 00 27 ff ff 00 00 65 00 55 00 b1 a2 85 61 09 26 75 08 16
 18 00 26 18 00 b1 a2 85 62 09 25 75 20 17 01 00 00 80 27 ff ff ff 7f b2 a2
 01 c0 05 84 09 16 a1 00 85 51 06 86 ff 09 24 16 be 00 26 fe 00 95 01 75 08
 b1 a2 c0 c0
Using subdriver: APC HID 0.93
Entering libusb_get_report
Report[get]: (2 bytes) => 01 01
PhyMax = 0, PhyMin = 0, LogMax = 255, LogMin = 0
get_unit_expo: 00000000 found 0
hid_lookup_path: 00840004 -> UPS
hid_lookup_path: 00840024 -> PowerSummary
hid_lookup_path: 008400fe -> iProduct
Path: UPS.PowerSummary.iProduct, Type: Feature, ReportID: 0x01, Offset: 
0, Size: 8, Value: 1.000000
Entering libusb_get_report

Can a problem be identified from this information? I have further detail 
if required.

Bob Blackwell
Pickering, Ontario

www.afticarr.com

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