RadiSys ATCA-4616 Dokumentacja Pobierz pdf (Strona 117)

Troubleshooting

117

Beforeaddressingthepossiblecauseandtryingtocorrectit,someoftheinformationfrom

theINSERTION_PENDINGstatemaybeuseful.TheHPIINSERTION_PENDINGstateinternally

hasthefollowingtwostages:

1. ThefirststageiswheretheFRUisfunctionallyINACTIVE.ThisistheATCAM2state(PICMG

3.0ATCA

specification).Thisisthe stagewheretheFRUiswaitingfortheShelfManageror

systemmanagertoverifyitspresenceintheshelfand'push'ittothesecondstage.Thisis

wheretheFRUautomaticallytransitionstoafterchassispower‐upifitslatchisclosed.

OnceShMSgetsthenotificationfromtheFRU'sIPMCfortransitiontoM2state,the

defaultactionistotransitiontheFRUautomaticallytothenextATCAhot‐swapstate.

2. ThesecondstageofINSERTION_PENDINGistheATCAM3statewheretheShelfManager

tak esoverandstartsthepowerbudgetingandE‐KeyingprocessfortheFRU.TheShelf

Managergrants powerandapplicableE‐KeystotheFRUinthisstage.Attheconclusionof

thisstage,theFRUshouldtransitiontotheACTIVEstate(ATCAM4state).

DetailsontheATCAhot‐swapprocess areinthePICMG3.0R3.0specification.Detailsonhow

HPImapstheATCAhot‐swapstatemachinetoHPIhot‐swapstatesareintheSAFHPI‐to‐ATCA

MappingSpecification.

Ifthe“FRUstuckinanINSERTION_PENDINGhot‐swapstate”issueisseen,performthe

followingsteps:

1. FirstdeterminetheATCAMstatetheFRUisinaslistedforthehot‐swapsensorofthe

FRU.ThissensorisaccessibleintheFRU'ssensorlist(ontheHPIResourcerecordforthe

FRU).Forthehot‐swapsensornumberforaFRU,refertothe FRU'sreferencemanual.

TheeventstateofthehotswapsensorreportsthecurrentATCAMstateoftheFRU.For

example,0x04indicatesM2and0x08indicatesM3.

2. IftheFRUisinM2,checktheHPIDomainAutoInsertiontimertodetermineifitissetto

blocking(‐1)ortoalargetimevalue.UsehpiappontheactiveSCMasfollows:

hpiapp‐>h‐>4

IftheAutoInsertiontimer(whichisdomainspecific)issetto‐1thenallFRUswillstayin

ATCAM2(HPIINSERTION_PENDINGstate)untilthesystemmanagerprogrammatically

activatestheFRUviatheHPIhotswapAPIsaHpiResourceActiveSet().IftheAutoInsertion

timerissettoalargetimevalue(e.g.60secs),thentheShMSwillkeeptheFRUinthe

INSERTION_PENDINGstatefor60secondsbeforeactivatingit.Theuserhastheoptionof

usingtheHPIhotswapAPItoactivatetheboardmanuallybeforethattimerexpiresor

eventodeactivateit.

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RadiSys ATCA-4616 Dokumentacja Strona 117