context_lost_tests on ATI GPU on Mac Retina on Mac failing on chromium.gpu/Mac 10.10 Retina Debug (AMD)

Type: build-failure

Builders failed on: 
- Mac 10.10 Retina Debug (AMD): 
  https://build.chromium.org/p/chromium.gpu/builders/Mac%2010.10%20Retina%20Debug%20%28AMD%29


https://uberchromegw.corp.google.com/i/chromium.gpu/builders/Mac%2010.10%20Retina%20Debug%20%28AMD%29/builds/19312/steps/context_lost_tests%20on%20ATI%20GPU%20on%20Mac%20Retina%20on%20Mac/logs/stdio

ContextLost_WebGLContextLostFromGPUProcessExit (gpu_tests.context_lost_integration_test.ContextLostIntegrationTest) ... [51552:110595:1115/172316:WARNING:simple_synchronous_entry.cc(1055)] Could not open platform files for entry.
[51552:1295:1115/172316:INFO:CONSOLE(33)] "Harness injected.", source:  (33)
[51552:41731:1115/172316:ERROR:ssl_client_socket_impl.cc(1082)] handshake failed; returned -1, SSL error code 1, net_error -100
[51552:41731:1115/172316:ERROR:ssl_client_socket_impl.cc(1082)] handshake failed; returned -1, SSL error code 1, net_error -100
[51557:19971:1115/172316:FATAL:scheduler.cc(144)] Check failed: state_machine_.pending_submit_frames() > 0 (0 vs. 0){"compositor_timing_history":{"activate_estimate_ms":0.273,"begin_main_frame_queue_critical_estimate_ms":427.653,"begin_main_frame_queue_not_critical_estimate_ms":427.653,"begin_main_frame_start_to_commit_estimate_ms":3.626,"commit_to_ready_to_activate_estimate_ms":5.643,"draw_estimate_ms":0.614,"prepare_tiles_estimate_ms":0.154},"scheduler_state":{"begin_impl_frame_args":{"current_args_":{"created_from":"Unknown@Unknown:-1","deadline_us":70332184986.0,"frame_time_us":70332169934.0,"interval_us":16666.0,"on_critical_path":true,"subtype":"NORMAL","type":"BeginFrameArgs"},"finished_at_us":1612698882,"major_timestamps_in_ms":{"0_interval":16.666,"1_now_to_deadline":-7.879,"2_frame_time_to_now":22.931,"3_frame_time_to_deadline":15.052,"4_now":70332192.865,"5_frame_time":70332169.934,"6_deadline":70332184.986},"state":"FINISHED","updated_at_us":1612694747},"begin_impl_frame_deadline_mode_":"BEGIN_IMPL_FRAME_DEADLINE_MODE_IMMEDIATE","begin_impl_frame_deadline_task":false,"inside_action":"ACTION_NONE","missed_begin_frame_task":false,"observing_begin_frame_source":false},"state_machine":{"major_state":{"begin_impl_frame_state":"BEGIN_IMPL_FRAME_STATE_IDLE","begin_main_frame_state":"BEGIN_MAIN_FRAME_STATE_IDLE","compositor_frame_sink_state_":"COMPOSITOR_FRAME_SINK_ACTIVE","forced_redraw_state":"FORCED_REDRAW_STATE_IDLE","next_action":"ACTION_NONE"},"minor_state":{"active_tree_needs_first_draw":false,"begin_frame_source_paused":false,"can_draw":true,"commit_count":4,"consecutive_checkerboard_animations":0,"critical_begin_main_frame_to_activate_is_fast_":false,"current_frame_number":32,"defer_commits":false,"did_create_and_initialize_first_compositor_frame_sink":true,"did_draw_in_last_frame":true,"did_submit_in_last_frame":true,"funnel: draw_funnel":true,"funnel: invalidate_compositor_frame_sink_funnel":false,"funnel: prepare_tiles_funnel":0,"funnel: send_begin_main_frame_funnel":true,"has_pending_tree":false,"last_commit_had_no_updates":false,"last_frame_number_begin_main_frame_sent":32,"last_frame_number_draw_performed":32,"last_frame_number_submit_performed":32,"main_thread_missed_last_deadline":false,"needs_begin_main_frame":false,"needs_one_begin_impl_frame":false,"needs_prepare_tiles":false,"needs_redraw":false,"pending_submit_frames_":0,"pending_tree_is_ready_for_activation":false,"resourceless_draw":false,"scroll_handler_state":"SCROLL_DOES_NOT_AFFECT_SCROLL_HANDLER","skip_next_begin_main_frame_to_reduce_latency":false,"submit_frames_with_current_compositor_frame_sink":4,"tree_priority":"SAME_PRIORITY_FOR_BOTH_TREES","video_needs_begin_frames":false,"visible":false,"wait_for_ready_to_draw":false}}}
0   libbase.dylib                       0x000000011416482e _ZN4base5debug10StackTraceC2Ev + 30
1   libbase.dylib                       0x0000000114164895 _ZN4base5debug10StackTraceC1Ev + 21
2   libbase.dylib                       0x00000001141fe1c0 _ZN7logging10LogMessageD2Ev + 80
3   libbase.dylib                       0x00000001141fbd75 _ZN7logging10LogMessageD1Ev + 21
4   libcc.dylib                         0x0000000125db98f0 _ZN2cc9Scheduler28DidReceiveCompositorFrameAckEv + 576
5   libcc.dylib                         0x0000000125f9c0e5 _ZN2cc9ProxyImpl40DidReceiveCompositorFrameAckOnImplThreadEv + 549
6   libcc.dylib                         0x0000000125ec035a _ZN2cc17LayerTreeHostImpl28DidReceiveCompositorFrameAckEv + 26
7   libcontent.dylib                    0x000000011c3f8e19 _ZN7content27RendererCompositorFrameSink28OnReclaimCompositorResourcesEjbRKNSt3__16vectorIN2cc16ReturnedResourceENS1_9allocatorIS4_EEEE + 105
8   libcontent.dylib                    0x000000011c3f9c98 _ZN4base20DispatchToMethodImplIPN7content27RendererCompositorFrameSinkEMS2_FvjbRKNSt3__16vectorIN2cc16ReturnedResourceENS4_9allocatorIS7_EEEEERKNS4_5tupleIJjbSA_EEEJLm0ELm1ELm2EEEEvRKT_T0_OT1_NS_13IndexSequenceIJXspT2_EEEE + 216
9   libcontent.dylib                    0x000000011c3f9bb0 _ZN4base16DispatchToMethodIPN7content27RendererCompositorFrameSinkEMS2_FvjbRKNSt3__16vectorIN2cc16ReturnedResourceENS4_9allocatorIS7_EEEEERKNS4_5tupleIJjbSA_EEEEEvRKT_T0_OT1_ + 96
10  libcontent.dylib                    0x000000011c3f9a3d _ZN3IPC16DispatchToMethodIN7content27RendererCompositorFrameSinkEMS2_FvjbRKNSt3__16vectorIN2cc16ReturnedResourceENS3_9allocatorIS6_EEEEEvNS3_5tupleIJjbS9_EEEEEvPT_T0_PT1_RKT2_ + 109
11  libcontent.dylib                    0x000000011c3f8d2c _ZN3IPC8MessageTI39ViewMsg_ReclaimCompositorResources_MetaNSt3__15tupleIJjbNS2_6vectorIN2cc16ReturnedResourceENS2_9allocatorIS6_EEEEEEEvE8DispatchIN7content27RendererCompositorFrameSinkESE_vMSE_FvjbRKS9_EEEbPKNS_7MessageEPT_PT0_PT1_T2_ + 748
12  libcontent.dylib                    0x000000011c3f89f6 _ZN7content27RendererCompositorFrameSink17OnMessageReceivedERKN3IPC7MessageE + 470
13  libcontent.dylib                    0x000000011c3f8114 _ZN7content27RendererCompositorFrameSink32RendererCompositorFrameSinkProxy17OnMessageReceivedERKN3IPC7MessageE + 52
14  libcontent.dylib                    0x000000011c3f9357 _ZN4base8internal13FunctorTraitsIMN7content27RendererCompositorFrameSink32RendererCompositorFrameSinkProxyEFvRKN3IPC7MessageEEvE6InvokeIRK13scoped_refptrIS4_EJS8_EEEvSA_OT_DpOT0_ + 151
15  libcontent.dylib                    0x000000011c3f925f _ZN4base8internal12InvokeHelperILb0EvE8MakeItSoIRKMN7content27RendererCompositorFrameSink32RendererCompositorFrameSinkProxyEFvRKN3IPC7MessageEEJRK13scoped_refptrIS6_ESA_EEEvOT_DpOT0_ + 95
16  libcontent.dylib                    0x000000011c3f91f8 _ZN4base8internal7InvokerINS0_9BindStateIMN7content27RendererCompositorFrameSink32RendererCompositorFrameSinkProxyEFvRKN3IPC7MessageEEJ13scoped_refptrIS5_EEEEFvS9_EE7RunImplIRKSB_RKNSt3__15tupleIJSD_EEEJLm0EEEEvOT_OT0_NS_13IndexSequenceIJXspT1_EEEES9_ + 88
17  libcontent.dylib                    0x000000011c3f9144 _ZN4base8internal7InvokerINS0_9BindStateIMN7content27RendererCompositorFrameSink32RendererCompositorFrameSinkProxyEFvRKN3IPC7MessageEEJ13scoped_refptrIS5_EEEEFvS9_EE3RunEPNS0_13BindStateBaseES9_ + 68
18  libcontent.dylib                    0x000000011c3c3371 _ZNK4base8internal8RunMixinINS_8CallbackIFvRKN3IPC7MessageEELNS0_8CopyModeE1ELNS0_10RepeatModeE1EEEE3RunES6_ + 81
19  libcontent.dylib                    0x000000011c3c31da _ZN7content33CompositorForwardingMessageFilter32ProcessMessageOnCompositorThreadERKN3IPC7MessageE + 1018
20  libcontent.dylib                    0x000000011c3c5347 _ZN4base8internal13FunctorTraitsIMN7content33CompositorForwardingMessageFilterEFvRKN3IPC7MessageEEvE6InvokeIRK13scoped_refptrIS3_EJS7_EEEvS9_OT_DpOT0_ + 151
21  libcontent.dylib                    0x000000011c3c521f _ZN4base8internal12InvokeHelperILb0EvE8MakeItSoIRKMN7content33CompositorForwardingMessageFilterEFvRKN3IPC7MessageEEJRK13scoped_refptrIS5_ES9_EEEvOT_DpOT0_ + 95
22  libcontent.dylib                    0x000000011c3c51b9 _ZN4base8internal7InvokerINS0_9BindStateIMN7content33CompositorForwardingMessageFilterEFvRKN3IPC7MessageEEJ13scoped_refptrIS4_ES6_EEEFvvEE7RunImplIRKSA_RKNSt3__15tupleIJSC_S6_EEEJLm0ELm1EEEEvOT_OT0_NS_13IndexSequenceIJXspT1_EEEE + 105
23  libcontent.dylib                    0x000000011c3c50dc _ZN4base8internal7InvokerINS0_9BindStateIMN7content33CompositorForwardingMessageFilterEFvRKN3IPC7MessageEEJ13scoped_refptrIS4_ES6_EEEFvvEE3RunEPNS0_13BindStateBaseE + 44
24  libbase.dylib                       0x00000001141665ca _ZNO4base8internal8RunMixinINS_8CallbackIFvvELNS0_8CopyModeE0ELNS0_10RepeatModeE0EEEE3RunEv + 90
25  libbase.dylib                       0x000000011416631b _ZN4base5debug13TaskAnnotator7RunTaskEPKcPNS_11PendingTaskE + 699
26  libbase.dylib                       0x000000011425192b _ZN4base11MessageLoop7RunTaskEPNS_11PendingTaskE + 923
27  libbase.dylib                       0x0000000114251ea4 _ZN4base11MessageLoop21DeferOrRunPendingTaskENS_11PendingTaskE + 68
28  libbase.dylib                       0x00000001142528dd _ZN4base11MessageLoop6DoWorkEv + 669
29  libbase.dylib                       0x00000001142647c8 _ZN4base24MessagePumpCFRunLoopBase7RunWorkEv + 104
30  libbase.dylib                       0x000000011426474c ___ZN4base24MessagePumpCFRunLoopBase13RunWorkSourceEPv_block_invoke + 28
31  libbase.dylib                       0x000000011420216a _ZN4base3mac15CallWithEHFrameEU13block_pointerFvvE + 10
32  libbase.dylib                       0x0000000114263d35 _ZN4base24MessagePumpCFRunLoopBase13RunWorkSourceEPv + 101
33  CoreFoundation                      0x00007fff945a8881 __CFRUNLOOP_IS_CALLING_OUT_TO_A_SOURCE0_PERFORM_FUNCTION__ + 17
34  CoreFoundation                      0x00007fff94587fbc __CFRunLoopDoSources0 + 556
35  CoreFoundation                      0x00007fff945874df __CFRunLoopRun + 927
36  CoreFoundation                      0x00007fff94586ed8 CFRunLoopRunSpecific + 296
37  libbase.dylib                       0x0000000114264e2c _ZN4base20MessagePumpCFRunLoop5DoRunEPNS_11MessagePump8DelegateE + 76
38  libbase.dylib                       0x000000011426451a _ZN4base24MessagePumpCFRunLoopBase3RunEPNS_11MessagePump8DelegateE + 122
39  libbase.dylib                       0x00000001142513b5 _ZN4base11MessageLoop10RunHandlerEv + 645
40  libbase.dylib                       0x000000011432c465 _ZN4base7RunLoop3RunEv + 85
41  libbase.dylib                       0x000000011442927c _ZN4base6Thread3RunEPNS_7RunLoopE + 428
42  libbase.dylib                       0x000000011442a4a8 _ZN4base6Thread10ThreadMainEv + 3512
43  libbase.dylib                       0x0000000114402f31 _ZN4base12_GLOBAL__N_110ThreadFuncEPv + 705
44  libsystem_pthread.dylib             0x00007fff8d9f599d _pthread_body + 131
45  libsystem_pthread.dylib             0x00007fff8d9f591a _pthread_body + 0
46  libsystem_pthread.dylib             0x00007fff8d9f3351 thread_start + 13

[51552:1295:1115/172316:FATAL:delegated_frame_host.cc(555)] Check failed: pending_delegated_ack_count_ > 0 (0 vs. 0)
0   libbase.dylib                       0x0000000115a3e82e _ZN4base5debug10StackTraceC2Ev + 30
1   libbase.dylib                       0x0000000115a3e895 _ZN4base5debug10StackTraceC1Ev + 21
2   libbase.dylib                       0x0000000115ad81c0 _ZN7logging10LogMessageD2Ev + 80
3   libbase.dylib                       0x0000000115ad5d75 _ZN7logging10LogMessageD1Ev + 21
4   libcontent.dylib                    0x000000011d75210e _ZN7content18DelegatedFrameHost30SendReclaimCompositorResourcesEjb + 606
5   libcontent.dylib                    0x000000011d751443 _ZN7content18DelegatedFrameHost18SwapDelegatedFrameEjN2cc15CompositorFrameE + 5395
6   libcontent.dylib                    0x000000011d741d2a _ZN7content20BrowserCompositorMac19SwapCompositorFrameEjN2cc15CompositorFrameE + 602
7   libcontent.dylib                    0x000000011d0dc7ce _ZN7content23RenderWidgetHostViewMac21OnSwapCompositorFrameEjN2cc15CompositorFrameE + 558
8   libcontent.dylib                    0x000000011d08f786 _ZN7content20RenderWidgetHostImpl21OnSwapCompositorFrameERKN3IPC7MessageE + 1814
9   libcontent.dylib                    0x000000011d08c44f _ZN7content20RenderWidgetHostImpl17OnMessageReceivedERKN3IPC7MessageE + 2687
10  libcontent.dylib                    0x000000011d016533 _ZN7content21RenderProcessHostImpl17OnMessageReceivedERKN3IPC7MessageE + 1731
11  libcontent.dylib                    0x000000011cfe8bd1 _ZN7content12_GLOBAL__N_131ResizeHelperHandleMsgOnUIThreadEiRKN3IPC7MessageE + 65
12  libcontent.dylib                    0x000000011c9a6184 _ZN4base8internal13FunctorTraitsIPFviRKN3IPC7MessageEEvE6InvokeIJRKiS5_EEEvS7_DpOT_ + 52
13  libcontent.dylib                    0x000000011c9a60f0 _ZN4base8internal12InvokeHelperILb0EvE8MakeItSoIRKPFviRKN3IPC7MessageEEJRKiS7_EEEvOT_DpOT0_ + 64
14  libcontent.dylib                    0x000000011c9a60a9 _ZN4base8internal7InvokerINS0_9BindStateIPFviRKN3IPC7MessageEEJiS4_EEEFvvEE7RunImplIRKS8_RKNSt3__15tupleIJiS4_EEEJLm0ELm1EEEEvOT_OT0_NS_13IndexSequenceIJXspT1_EEEE + 105
15  libcontent.dylib                    0x000000011c9a5fcc _ZN4base8internal7InvokerINS0_9BindStateIPFviRKN3IPC7MessageEEJiS4_EEEFvvEE3RunEPNS0_13BindStateBaseE + 44
16  libaccelerated_widget_mac.dylib     0x000000012cb6d29b _ZNK4base8internal8RunMixinINS_8CallbackIFvvELNS0_8CopyModeE1ELNS0_10RepeatModeE1EEEE3RunEv + 59
17  libaccelerated_widget_mac.dylib     0x000000012cb6bf49 _ZN2ui12_GLOBAL__N_111WrappedTask3RunEv + 57
18  libaccelerated_widget_mac.dylib     0x000000012cb6b434 _ZN2ui12_GLOBAL__N_118PumpableTaskRunner29WaitForSingleWrappedTaskToRunERKN4base9TimeDeltaE + 900
19  libaccelerated_widget_mac.dylib     0x000000012cb6b06e _ZN2ui21WindowResizeHelperMac22WaitForSingleTaskToRunERKN4base9TimeDeltaE + 62
20  libcontent.dylib                    0x000000011d096d69 _ZN7content20RenderWidgetHostImpl14WaitForSurfaceEv + 1945
21  libcontent.dylib                    0x000000011d096517 _ZN7content20RenderWidgetHostImpl31PauseForPendingResizeOrRepaintsEv + 279
22  libcontent.dylib                    0x000000011d0d5a8a _ZN7content23RenderWidgetHostViewMac38PauseForPendingResizeOrRepaintsAndDrawEv + 106
23  libcontent.dylib                    0x000000011d0e5197 -[RenderWidgetHostViewCocoa setFrameSize:] + 1095
24  AppKit                              0x00007fff96ebe90d -[NSView setFrame:] + 476
25  libcontent.dylib                    0x000000011d55e701 -[WebContentsViewCocoa setFrameSize:] + 561
26  AppKit                              0x00007fff96ebe90d -[NSView setFrame:] + 476
27  libchrome_dll.dylib                 0x0000000109e3786f -[TabContentsController ensureContentsVisibleInSuperview:] + 655
28  libchrome_dll.dylib                 0x0000000109e4562d -[TabStripController swapInTabAtIndex:] + 749
29  libchrome_dll.dylib                 0x0000000109e4c98b -[TabStripController activateTabWithContents:previousContents:atIndex:reason:] + 475
30  libchrome_dll.dylib                 0x0000000109e5bc74 _ZN27TabStripModelObserverBridge16ActiveTabChangedEPN7content11WebContentsES2_ii + 116
31  libchrome_dll.dylib                 0x00000001096064b1 _ZN13TabStripModel24NotifyIfActiveTabChangedEPN7content11WebContentsENS_11NotifyTypesE + 529
32  libchrome_dll.dylib                 0x000000010960fb1f _ZN13TabStripModel32NotifyIfActiveOrSelectionChangedEPN7content11WebContentsENS_11NotifyTypesERKN2ui18ListSelectionModelE + 63
33  libchrome_dll.dylib                 0x00000001096055de _ZN13TabStripModel12SetSelectionERKN2ui18ListSelectionModelENS_11NotifyTypesE + 174
34  libchrome_dll.dylib                 0x0000000109604198 _ZN13TabStripModel19InsertWebContentsAtEiPN7content11WebContentsEi + 1464
35  libchrome_dll.dylib                 0x000000010960bca5 _ZN13TabStripModel14AddWebContentsEPN7content11WebContentsEiN2ui14PageTransitionEi + 405
36  libchrome_dll.dylib                 0x0000000109562f50 _ZN6chrome8NavigateEPNS_14NavigateParamsE + 2416
37  libchrome_dll.dylib                 0x0000000107f153bb _ZN29ChromeDevToolsManagerDelegate15CreateNewTargetERK4GURL + 107
38  libcontent.dylib                    0x000000011c4debd9 _ZN7content19DevToolsHttpHandler13OnJsonRequestEiRKN3net21HttpServerRequestInfoE + 9577
39  libcontent.dylib                    0x000000011c4efd49 _ZN4base8internal13FunctorTraitsIMN7content19DevToolsHttpHandlerEFviRKN3net21HttpServerRequestInfoEEvE6InvokeIRKNS_7WeakPtrIS3_EEJRKiS7_EEEvS9_OT_DpOT0_ + 169
40  libcontent.dylib                    0x000000011c4efbe5 _ZN4base8internal12InvokeHelperILb1EvE8MakeItSoIRKMN7content19DevToolsHttpHandlerEFviRKN3net21HttpServerRequestInfoEERKNS_7WeakPtrIS5_EEJRKiS9_EEEvOT_OT0_DpOT1_ + 133
41  libcontent.dylib                    0x000000011c4efb5a _ZN4base8internal7InvokerINS0_9BindStateIMN7content19DevToolsHttpHandlerEFviRKN3net21HttpServerRequestInfoEEJNS_7WeakPtrIS4_EEiS6_EEEFvvEE7RunImplIRKSA_RKNSt3__15tupleIJSC_iS6_EEEJLm0ELm1ELm2EEEEvOT_OT0_NS_13IndexSequenceIJXspT1_EEEE + 138
42  libcontent.dylib                    0x000000011c4efa4c _ZN4base8internal7InvokerINS0_9BindStateIMN7content19DevToolsHttpHandlerEFviRKN3net21HttpServerRequestInfoEEJNS_7WeakPtrIS4_EEiS6_EEEFvvEE3RunEPNS0_13BindStateBaseE + 44
43  libbase.dylib                       0x0000000115a405ca _ZNO4base8internal8RunMixinINS_8CallbackIFvvELNS0_8CopyModeE0ELNS0_10RepeatModeE0EEEE3RunEv + 90
44  libbase.dylib                       0x0000000115a4031b _ZN4base5debug13TaskAnnotator7RunTaskEPKcPNS_11PendingTaskE + 699
45  libbase.dylib                       0x0000000115b2b92b _ZN4base11MessageLoop7RunTaskEPNS_11PendingTaskE + 923
46  libbase.dylib                       0x0000000115b2bea4 _ZN4base11MessageLoop21DeferOrRunPendingTaskENS_11PendingTaskE + 68
47  libbase.dylib                       0x0000000115b2c8dd _ZN4base11MessageLoop6DoWorkEv + 669
48  libbase.dylib                       0x0000000115b3e7c8 _ZN4base24MessagePumpCFRunLoopBase7RunWorkEv + 104
49  libbase.dylib                       0x0000000115b3e74c ___ZN4base24MessagePumpCFRunLoopBase13RunWorkSourceEPv_block_invoke + 28
50  libbase.dylib                       0x0000000115adc16a _ZN4base3mac15CallWithEHFrameEU13block_pointerFvvE + 10
51  libbase.dylib                       0x0000000115b3dd35 _ZN4base24MessagePumpCFRunLoopBase13RunWorkSourceEPv + 101
52  CoreFoundation                      0x00007fff945a8881 __CFRUNLOOP_IS_CALLING_OUT_TO_A_SOURCE0_PERFORM_FUNCTION__ + 17
53  CoreFoundation                      0x00007fff94587fbc __CFRunLoopDoSources0 + 556
54  CoreFoundation                      0x00007fff945874df __CFRunLoopRun + 927
55  CoreFoundation                      0x00007fff94586ed8 CFRunLoopRunSpecific + 296
56  HIToolbox                           0x00007fff8dd72935 RunCurrentEventLoopInMode + 235
57  HIToolbox                           0x00007fff8dd7276f ReceiveNextEventCommon + 432
58  HIToolbox                           0x00007fff8dd725af _BlockUntilNextEventMatchingListInModeWithFilter + 71
59  AppKit                              0x00007fff96e7fdf6 _DPSNextEvent + 1067
60  AppKit                              0x00007fff96e7f226 -[NSApplication _nextEventMatchingEventMask:untilDate:inMode:dequeue:] + 454
61  libchrome_dll.dylib                 0x000000010397bc7a __71-[BrowserCrApplication nextEventMatchingMask:untilDate:inMode:dequeue:]_block_invoke + 106