#10035 NORM Not Tri: ACR gets messed up when it crosses zero

[Zarro Boogs per Child]

#10035: ACR gets messed up when it crosses zero
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 Reporter:  rsmith               |                 Owner:  rsmith       
     Type:  defect               |                Status:  new          
 Priority:  normal               |             Milestone:  Not Triaged  
Component:  embedded controller  |               Version:  not specified
 Keywords:                       |           Next_action:  never set    
 Verified:  0                    |   Deployment_affected:               
Blockedby:                       |              Blocking:               
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 Seen in a olpc-pwr-log ran 2 days ago.

 1266367235,39,7111990,2064453,4294,-9583,Charging,1190417
 1266367255,39,7107110,2093880,4274,2083,Charging,1202083
 1266367275,39,7112600,2060677,4263,13750,Charging,1213750
 1266367296,40,7105890,2089583,4258,25416,Charging,1225416
 1266367316,40,7109550,2056250,4257,-28453,Charging,1171547
 1266367336,41,7079050,2055338,4256,-17203,Charging,1182797
 1266367356,41,7109550,2084635,4249,-5536,Charging,1194464
 1266367376,41,7116870,2051041,4246,6130,Charging,1206130
 1266367396,42,7108940,2081380,4241,17380,Charging,1217380

 After the 2's complement passes zero it briefly goes way out negative
 again before coming back positive.

 Repeated in 4 different logs...

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Ticket URL: <http://dev.laptop.org/ticket/10035>
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