[185484:185484:0316/161952.790371:ERROR:eula_screen.cc(59)] No manifest found.
[185484:185484:0316/161954.621482:FATAL:observer_list.h(243)] Check failed: false. Observers can only be added once!
#0 0x7ffae356249d base::debug::StackTrace::StackTrace()
#1 0x7ffae3560acc base::debug::StackTrace::StackTrace()
#2 0x7ffae35e1e8d logging::LogMessage::~LogMessage()
#3 0x7ffad6b90f62 base::ObserverList<>::AddObserver()
#4 0x7ffad6b944cc chromeos::UpdateEngineClientStubImpl::AddObserver()
#5 0x55d2591e1bbe chromeos::UpdateScreen::StartUpdateCheck()
#6 0x55d2591e4993 chromeos::UpdateScreen::OnPortalDetectionCompleted()
#7 0x55d2592ec989 chromeos::NetworkPortalDetectorImpl::AddAndFireObserver()
#8 0x55d2591e1a38 chromeos::UpdateScreen::StartNetworkCheck()
#9 0x55d2592bff7d chromeos::WizardController::StartOOBEUpdate()
#10 0x55d2592becb2 chromeos::WizardController::InitiateOOBEUpdate()
#11 0x55d2592bef31 chromeos::WizardController::OnEulaAccepted()
#12 0x55d2592c0d1c chromeos::WizardController::OnExit()
#13 0x55d2591ae8b5 chromeos::BaseScreen::Finish()
#14 0x55d2591bdf93 chromeos::EulaScreen::OnUserAction()
#15 0x55d25e343648 chromeos::BaseWebUIHandler::HandleUserAction()
#16 0x55d2571ad33d _ZN4base8internal13FunctorTraitsIMN5prefs26ScopedDictionaryPrefUpdateEFvRKNSt3__16vectorINS4_12basic_stringIcNS4_11char_traitsIcEENS4_9allocatorIcEEEENS9_ISB_EEEEEvE6InvokeIPS3_JSF_EEEvSH_OT_DpOT0_
#17 0x55d2571ad26f _ZN4base8internal12InvokeHelperILb0EvE8MakeItSoIRKMN5prefs26ScopedDictionaryPrefUpdateEFvRKNSt3__16vectorINS6_12basic_stringIcNS6_11char_traitsIcEENS6_9allocatorIcEEEENSB_ISD_EEEEEJPS5_SH_EEEvOT_DpOT0_
#18 0x55d25e3445c5 _ZN4base8internal7InvokerINS0_9BindStateIMN8chromeos16BaseWebUIHandlerEFvRKNSt3__112basic_stringIcNS5_11char_traitsIcEENS5_9allocatorIcEEEEEJNS0_17UnretainedWrapperIS4_EEEEEFvSD_EE7RunImplIRKSF_RKNS5_5tupleIJSH_EEEJLm0EEEEvOT_OT0_NS5_16integer_sequenceImJXspT1_EEEESD_
#19 0x55d25e344504 _ZN4base8internal7InvokerINS0_9BindStateIMN8chromeos16BaseWebUIHandlerEFvRKNSt3__112basic_stringIcNS5_11char_traitsIcEENS5_9allocatorIcEEEEEJNS0_17UnretainedWrapperIS4_EEEEEFvSD_EE3RunEPNS0_13BindStateBaseESD_
#20 0x55d25718658d _ZNKR4base17RepeatingCallbackIFvRKNSt3__16vectorINS1_12basic_stringIcNS1_11char_traitsIcEENS1_9allocatorIcEEEENS6_IS8_EEEEEE3RunESC_
#21 0x55d25deae081 _ZN5login18DispatchToCallbackIJRKNSt3__112basic_stringIcNS1_11char_traitsIcEENS1_9allocatorIcEEEEEJLm0EEEEvRKN4base17RepeatingCallbackIFvDpT_EEEPKNSA_9ListValueENS1_16integer_sequenceImJXspT0_EEEE
#22 0x55d25dead8dd _ZN5login15CallbackWrapperIJRKNSt3__112basic_stringIcNS1_11char_traitsIcEENS1_9allocatorIcEEEEEEEvRKN4base17RepeatingCallbackIFvDpT_EEEPKNSA_9ListValueE
#23 0x55d25779fed5 _ZN4base8internal13FunctorTraitsIPFvRKNS_17RepeatingCallbackIFvbEEEPN10extensions13ExtensionHostEEvE6InvokeIJS4_S9_EEEvSB_DpOT_
#24 0x55d25779fe90 _ZN4base8internal12InvokeHelperILb0EvE8MakeItSoIPFvRKNS_17RepeatingCallbackIFvbEEEPN10extensions13ExtensionHostEEJS6_SB_EEEvOT_DpOT0_
#25 0x55d25deadd90 _ZN4base8internal7InvokerINS0_9BindStateIPFvRKNS_17RepeatingCallbackIFvRKNSt3__112basic_stringIcNS4_11char_traitsIcEENS4_9allocatorIcEEEEEEEPKNS_9ListValueEEJSE_EEEFvSJ_EE7RunImplIRKSL_RKNS4_5tupleIJSE_EEEJLm0EEEEvOT_OT0_NS4_16integer_sequenceImJXspT1_EEEEOSJ_
#26 0x55d25deadcd4 _ZN4base8internal7InvokerINS0_9BindStateIPFvRKNS_17RepeatingCallbackIFvRKNSt3__112basic_stringIcNS4_11char_traitsIcEENS4_9allocatorIcEEEEEEEPKNS_9ListValueEEJSE_EEEFvSJ_EE3RunEPNS0_13BindStateBaseESJ_
#27 0x7ffadc95bae0 _ZNKR4base17RepeatingCallbackIFvPN7content11WebContentsEEE3RunES3_
#28 0x7ffadea64332 content::WebUIImpl::ProcessWebUIMessage()
#29 0x7ffadea61b95 content::WebUIImpl::OnWebUISend()
#30 0x7ffadea64fef _ZN3IPC20DispatchToMethodImplIN7content9WebUIImplEMS2_FvPNS1_15RenderFrameHostERK4GURLRKNSt3__112basic_stringIcNS8_11char_traitsIcEENS8_9allocatorIcEEEERKN4base9ListValueEES3_NS8_5tupleIJS5_SE_SI_EEEJLm0ELm1ELm2EEEEvPT_T0_PT1_OT2_NS8_16integer_sequenceImJXspT3_EEEE
#31 0x7ffadea64ed0 _ZN3IPC16DispatchToMethodIN7content9WebUIImplENS1_15RenderFrameHostEJRK4GURLRKNSt3__112basic_stringIcNS7_11char_traitsIcEENS7_9allocatorIcEEEERKN4base9ListValueEENS7_5tupleIJS4_SD_SH_EEEEENS7_9enable_ifIXeqsZT1_sr3std10tuple_sizeINS7_5decayIT2_E4typeEEE5valueEvE4typeEPT_MST_FvPT0_DpT1_ESW_OSO_
#32 0x7ffadea64d15 _ZN3IPC8MessageTI27FrameHostMsg_WebUISend_MetaNSt3__15tupleIJ4GURLNS2_12basic_stringIcNS2_11char_traitsIcEENS2_9allocatorIcEEEEN4base9ListValueEEEEvE8DispatchIN7content9WebUIImplESH_NSG_15RenderFrameHostEMSH_FvPSI_RKS4_RKSA_RKSC_EEEbPKNS_7MessageEPT_PT0_PT1_T2_
#33 0x7ffadea61a6c content::WebUIImpl::OnMessageReceived()
#34 0x7ffade9c8ffe content::WebContentsImpl::OnMessageReceived()
#35 0x7ffade028e6c content::RenderFrameHostImpl::OnMessageReceived()
#36 0x7ffade64a3f3 content::RenderProcessHostImpl::OnMessageReceived()
#37 0x7ffae3344ff5 IPC::ChannelProxy::Context::OnDispatchMessage()
#38 0x7ffae334aeaf _ZN4base8internal13FunctorTraitsIMN3IPC12ChannelProxy7ContextEFvRKNS2_7MessageEEvE6InvokeIRK13scoped_refptrIS4_EJS7_EEEvS9_OT_DpOT0_
#39 0x7ffae334ae0f _ZN4base8internal12InvokeHelperILb0EvE8MakeItSoIRKMN3IPC12ChannelProxy7ContextEFvRKNS4_7MessageEEJRK13scoped_refptrIS6_ES9_EEEvOT_DpOT0_
#40 0x7ffae334ad9d _ZN4base8internal7InvokerINS0_9BindStateIMN3IPC12ChannelProxy7ContextEFvRKNS3_7MessageEEJ13scoped_refptrIS5_ES6_EEEFvvEE7RunImplIRKSA_RKNSt3__15tupleIJSC_S6_EEEJLm0ELm1EEEEvOT_OT0_NSJ_16integer_sequenceImJXspT1_EEEE
#41 0x7ffae334acac _ZN4base8internal7InvokerINS0_9BindStateIMN3IPC12ChannelProxy7ContextEFvRKNS3_7MessageEEJ13scoped_refptrIS5_ES6_EEEFvvEE3RunEPNS0_13BindStateBaseE
#42 0x7ffae3513751 _ZNO4base12OnceCallbackIFvvEE3RunEv
#43 0x7ffae35660ca base::debug::TaskAnnotator::RunTask()
#44 0x7ffae36004ba base::internal::IncomingTaskQueue::RunTask()
#45 0x7ffae3608c3c base::MessageLoop::RunTask()
#46 0x7ffae3608ea5 base::MessageLoop::DeferOrRunPendingTask()
#47 0x7ffae3609163 base::MessageLoop::DoWork()
#48 0x7ffae360e06b base::MessagePumpLibevent::Run()
#49 0x7ffae360851a base::MessageLoop::Run()
#50 0x7ffae36bdb52 base::RunLoop::Run()
#51 0x55d259d7ecdc ChromeBrowserMainParts::MainMessageLoopRun()
#52 0x7ffaddbac4da content::BrowserMainLoop::RunMainMessageLoopParts()
#53 0x7ffaddbb5180 content::BrowserMainRunnerImpl::Run()
#54 0x7ffaddba0783 content::BrowserMain()
#55 0x7ffadfac129e content::RunNamedProcessTypeMain()
#56 0x7ffadfac39aa content::ContentMainRunnerImpl::Run()
#57 0x7ffadfab9fc5 content::ContentServiceManagerMainDelegate::RunEmbedderProcess()
#58 0x7ffae3dd5313 service_manager::Main()
#59 0x7ffadfac011b content::ContentMain()
#60 0x55d256f47b20 ChromeMain
#61 0x55d256f47a32 main