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My objectivRes were [1] to bring up release 4,and [2] to give them the opportunity  Ototestthenet~workingRimpro~v~emen~tsandtheirCADapplicationunderthenew O release.+The rstobjectivRewasacompletesuccess,notwithstandingv}arious  ;problems(discussedbeloRw).ThesecondobjectivewillOnotObeundertakensoon ; q(seebelo~w). q Thetriphadsomeurgencyattached,sinceMCCnoti edustocanceltheir  7Lam~bdaRmain~tenancecontractsasof12/1/87.However,itiscleartomefrom 7 mdiscussionswithGregLaneandDaRvidDowthatrelease4.0wasnotafactorin m #their decision, and that they will probably not reconsider renewing the contracts. # O4.0Installation   OThe rstproblemthataroseinvolv~edthestateoftheLamRbdasystemIwas  MgivRentoupgrade.The2x2\Porsche/Mickey"wasrunningGregMcGary'snon- M standardRSDUsoft~wareforsupportingthe(defunct)SharedExosversionof  9TCP/IPR|. The PARGE partitions were very small, and the FILE system was almost 9 ofull.David and IagreedthatthebRest procedurewastowipe thediskandreload o %softw~are;thiswRouldensurethebestenvironmentforupgradingtorelease4. % 5TheRsoft~wareinstallationw~astrivial.&Theproblems,whic~hoccupiedmostof 5 km~yRtw~odaysthere,centeredon[1]a(previouslyun-encoun~tered)Chaosnetbug k !thatRpreventedbootstrappingthesystemfrom\Amnesia",and[2]problems ! WinRtegratingtheirlocalpatchesandsite leswithrelease4. W gTherewRasalsoatrivialSDU-relatedproblemthatwaseasily xed. g wIleftthemwitharunning4.0systemwithmodi edsite les;\Porsche"willact w w [[U  QO2 Q QMCC4.0BetaTR|est/TripReport Q Q  w @astheOsyshostOforanyothersystemsthattheyupgrade. @ POSDUProblem P P `ODuringtheinstallation,IhadoRccasiontorebootthesystemfrequen~tly|.$The ` OINITOcommandfromOnewbootOwRouldnotworkonthetestsystem;theSDUhung  LwiththeOATTNROredligh~ton.ReplacingtheSDUsolvedthisproblem.Noticing L thattheSDUhadthemonitorvRersion102PROM,IwonderifthiswasPROM-  8related,orsimplyabadSDU?Je F|orthwillshipthisSDUtoManufacturing, 8 nandIw~ouldsuggestthattheyattempttoreproducethisproblem,andthentry n $doRwn-revingthePROMtodeterminethecause. $ 4OChaosnetBootstrapProblem 4 4 DOThisbugwRas xedyesterdaybyPeterDeW|olf. D TBoRotingas\Amnesia"(withouttheMCClocalsitecon gurationinformation), T  weRw~ereunabletocontactremotehostso~v~erChaosnetorTCP/IP{.W|ewere  @usingfunctionssucRhasO(hostatOO)OthatallowaddressestobRespeci ed @ udirectly|,thRustestingthenetworkwithoutrequiringloadedsite les.Allthese u +attemptshRungandtimedout.Itappearedasifthesystemwasnotphysically + aconnectedtothenet~work,butthiswRasnotthecase;thesystemwasreceiving a andtransmittingpack~ets,itsimplycouldnotestablishconnections.  'Iw~orkedaroundthebootstrapproblembycreatingasetofminimalsite les ' ]tocreatethelocalhostandoneremotehost,the3.0OsyshostO.Withrealsite ] informationloaded,Randnoothermodi cations,remoteconnectionscouldbe  Iestablishedtoan~yhost. I YTheRdiscoveryofthisproblematMCCcompletelyv~alidatedthebetatesting Y approach.&ThisRwasaseverebugOthathadtobesolvedObeforereleasing4.0,  EsincemanRycustomerswouldhaverunintoit,anditaddsalotoftimeand E {troubletotheupgrade. { GivRenthetimeandresourceconstraintson4.0testing,itisamazing{anda AcredittoPReter'snewsoftwareandtheup-frontdebuggingwehavedone{that A wwRedidn'trunintoanyothernew,majornetworkingproblems. w w [[U  QO3 Q QMCC4.0BetaTR|est/TripReport Q Q  w @OLocalRPatc~handSiteFilesProblems @ @ POMCChasasetoflocalpatcRhes,RobPettengillspecials,thatmustbeloaded P beforeanRysiteinformation.Partofthepatchesde nenewhostandmodi ed  < le-systemtRypesthattheyrequireforremotecommunicationsandtheirappli- < rcation.(F|orexample,Rtheyde neaOSUN42Ohostt~ypethatinherits,butdi ers r (from,thestandardOUNIXOhost a~v~ors.) ( 8IttoRoksomehourstogothroughthepatchesandmodifytheprocedureDa~vid 8 nusestoprepareastandardMCC/CADband.(ThedelaRysinvolvedwerenot n $bug-related,butsimplyamatterofmodifyingandtestingtherequiredpatches $ ZunRtiltheCADsite lescouldbeloaded.W|ewereabletosaveabandF|riday Z afternoon,butitdidnotincludemostofthepatcRhes;thesewerenotrequired  Fforimmediateuse,butwillhavetobRelookRedatbyEngineering,sinceMCCno F |longerhastheexpertisein-housetoev}aluatethemforintegratingwithrelease | 24. 2 BPlease note thatI w~ent to some troubleo~ver a year ago to acquire copies of these B xpatcRhesforEngineeringtoreview.Atsomepoint,RobertPutnamputthemin x .thebugdatabase,buttheywRereneveraddressed.Manyofthemareenhance- . dmenRtsorbug xesthatareintrinsicallydesirableandshouldbReincorporated d withoursoftw~are;othersareusefultoMCConly|,butneedtobReincorporated  PtoRprev~entmajorproblemstheyrunintowithev~erypatchupdatew~esend. P 4OCADApplicationTyesting 4 4 DOGregLanestated(again)thattheycannotdevotethetimeandpeopletothis D ze ortunRtilmoreurgentprioritiesarecompleted.-Heverycarefullyavoided z 0committingtoanRytime-tablefortestingwithrelease4,sayingthatthepeople 0 fin~volvedRw~erev~erybusyatleastuntilJanuary{.Iassuredhimthatwhenthey f areinapRositiontobeginthistesting(whicRhweneedmorethantheydo!),I  RshouldbeabletocomedoRwnagaintoassistinanyway{. R 7ONet~w~orkingTzesting 7 7 GOMCCisanidealbetasiteforthenewnetworkingRsoft~ware;infact,Idon'tthink G }anRyofourremainingcustomershavesuchaheterogenousnetworkingenviron- } 3menRt. Unfortunatelytheuserswhousedthenetworkheavilyandcomplained 3 iforsolongandsoloudlyabRouttheoldTCP/IParenolongerusingLambdas. i w [[U  QO4 Q QMCC4.0BetaTR|est/TripReport Q Q  w @Infact,DaRvid(thesystemmanager)doesn'tevenhaveaLambdamonitorin @ vhisoce.ItisunlikRelythattheywillgivethesoftwaremuchofaworkout,but v ,weRma~ygetsomefeedbackongatewa~yaccess. , OFyutureIn~terest    OThereispressureonMCCRtowinddo~wnLISPmacRhinedevelopmentandport  VtoUnixworkstations,speci cally|,SUNMicroSystems.Thisisthe\platform" V  preferredbRybothMCCdevelopersandtheirmembercompanieswhowouldbe  Bthetargetcustomersoftheirproducts. B RTheyareapparenRtlyawareofTI'sexpRectedproductannouncemen~t,andthey R are still inRterested in seeinga K-Machine prototype;however,theyarereviewing  >thebasicstrategyofusingLISPRmachines(indeed,usingtheLISPlanguage)in > tlighRtofprice/performancebreakthroughsonmoretraditionalworkstationsthat t *areeasiertouse,support,andjustify|. * :DavidRDoww~entabitfurtherintellingmethatthereislittleinterestincon- : ptinRuingwiththeLambdaaseitherdevelopmentordeliveryvehicle. p GivRenthisexpectedchangeindirection,plusthefactthattheyhavepurchased  616SymRbolicsystemstoreplacetheLambRdas,Idon'tbelievRethereisanyrea- 6 lsonableoroptimisticexpectationthatwRecanreversetheirdecisiontodrop l "mainRtenance.TheyplantokeepsomeoftheLambdasrunning,andwillcallin " XwithanRyrepairproblemsonaTimeandMaterialsbasis.Giventhelowlevelof X usageandtheexcellenRtstateofthemachinesatthistime,Idon'tthinkthere  DwillbeanRysigni cantT&Mrevenue,either. D w [[