(gdb) thread apply all bt
Thread 16 (Thread 0x7f0b404166c0 (LWP 946218) "dart:io EventHa"):
#0 __syscall_cancel_arch () at ../sysdeps/unix/sysv/linux/x86_64/syscall_cancel.S:56
#1 0x00007f0b405c0668 in __internal_syscall_cancel (a1=<optimized out>, a2=<optimized out>, a3=<optimized out>, a4=<optimized out>, a5=a5@entry=0, a6=a6@entry=0, nr=232) at ./nptl/cancellation.c:49
#2 0x00007f0b405c06ad in __syscall_cancel (a1=<optimized out>, a2=<optimized out>, a3=<optimized out>, a4=<optimized out>, a5=a5@entry=0, a6=a6@entry=0, nr=232) at ./nptl/cancellation.c:75
#3 0x00007f0b40641a6d in epoll_wait (epfd=<optimized out>, events=<optimized out>, maxevents=<optimized out>, timeout=<optimized out>) at ../sysdeps/unix/sysv/linux/epoll_wait.c:30
#4 0x00005588f5c35328 in dart::bin::EventHandlerImplementation::Poll (args=args@entry=94047304803264) at out/ReleaseX64/../../runtime/bin/eventhandler_linux.cc:391
#5 0x00005588f60e3717 in dart::bin::ThreadStart (data_ptr=<optimized out>) at out/ReleaseX64/../../runtime/bin/thread_linux.cc:58
#6 0x00007f0b405c3b7b in start_thread (arg=<optimized out>) at ./nptl/pthread_create.c:448
#7 0x00007f0b406417b8 in __GI___clone3 () at ../sysdeps/unix/sysv/linux/x86_64/clone3.S:78
Thread 15 (Thread 0x7f0b3277f6c0 (LWP 946221) "DartWorker"):
#0 __syscall_cancel_arch () at ../sysdeps/unix/sysv/linux/x86_64/syscall_cancel.S:56
#1 0x00007f0b405c0668 in __internal_syscall_cancel (a1=<optimized out>, a2=<optimized out>, a3=a3@entry=17, a4=<optimized out>, a5=a5@entry=0, a6=a6@entry=4294967295, nr=202) at ./nptl/cancellation.c:49
#2 0x00007f0b405c0c9c in __futex_abstimed_wait_common64 (private=0, futex_word=0x7f0b34029024, expected=17, op=<optimized out>, abstime=0x7f0b3277e900, cancel=true) at ./nptl/futex-internal.c:57
#3 __futex_abstimed_wait_common (futex_word=futex_word@entry=0x7f0b34029024, expected=expected@entry=17, clockid=clockid@entry=1, abstime=abstime@entry=0x7f0b3277e900, private=private@entry=0, cancel=cancel@entry=true) at ./nptl/futex-internal.c:87
#4 0x00007f0b405c0cfb in __GI___futex_abstimed_wait_cancelable64 (futex_word=futex_word@entry=0x7f0b34029024, expected=expected@entry=17, clockid=clockid@entry=1, abstime=abstime@entry=0x7f0b3277e900, private=private@entry=0) at ./nptl/futex-internal.c:139
#5 0x00007f0b405c331d in __pthread_cond_wait_common (cond=0x7f0b34029000, mutex=0x7f0b34003c68, clockid=1, abstime=0x7f0b3277e900) at ./nptl/pthread_cond_wait.c:426
#6 ___pthread_cond_timedwait64 (cond=0x7f0b34029000, mutex=0x7f0b34003c68, abstime=0x7f0b3277e900) at ./nptl/pthread_cond_wait.c:483
#7 0x00005588f5c318e3 in dart::TimedWait (cv=0x7f0b34029000, mutex=0x7f0b34003c68, timeout_micros=61000000) at out/ReleaseX64/../../runtime/platform/synchronization_posix.cc:133
#8 dart::ConditionVariable::WaitMicros (this=0x7f0b34029000, mutex=0x7f0b34003c68, timeout_micros=61000000) at out/ReleaseX64/../../runtime/platform/synchronization_posix.cc:147
#9 0x00005588f5e0cdc8 in dart::ThreadPool::Worker::Sleep (this=0x7f0b34028fd0, timeout_micros=61000000) at ../../runtime/vm/thread_pool.h:101
#10 dart::MutatorThreadPool::OnEnterIdleLocked (this=0x7f0b34003c60, ml=0x7f0b3277eda8, worker=0x7f0b34028fd0) at out/ReleaseX64/../../runtime/vm/isolate.cc:283
#11 0x00005588f5f163c0 in dart::ThreadPool::WorkerLoop (this=this@entry=0x7f0b34003c60, worker=worker@entry=0x7f0b34028fd0) at out/ReleaseX64/../../runtime/vm/thread_pool.cc:216
#12 0x00005588f5f166d2 in dart::ThreadPool::Worker::Main (args=args@entry=139686093950928) at out/ReleaseX64/../../runtime/vm/thread_pool.cc:367
#13 0x00005588f5ec2ff9 in dart::ThreadStart (data_ptr=<optimized out>) at out/ReleaseX64/../../runtime/vm/os_thread_linux.cc:97
#14 0x00007f0b405c3b7b in start_thread (arg=<optimized out>) at ./nptl/pthread_create.c:448
#15 0x00007f0b406417b8 in __GI___clone3 () at ../sysdeps/unix/sysv/linux/x86_64/clone3.S:78
Thread 14 (Thread 0x7f0b27d7f6c0 (LWP 946222) "DartWorker"):
#0 __syscall_cancel_arch () at ../sysdeps/unix/sysv/linux/x86_64/syscall_cancel.S:56
#1 0x00007f0b405c0668 in __internal_syscall_cancel (a1=<optimized out>, a2=<optimized out>, a3=a3@entry=0, a4=<optimized out>, a5=a5@entry=0, a6=a6@entry=4294967295, nr=202) at ./nptl/cancellation.c:49
#2 0x00007f0b405c0c9c in __futex_abstimed_wait_common64 (private=0, futex_word=0x7f0b2c0446a0, expected=0, op=<optimized out>, abstime=0x7f0b27d7e900, cancel=true) at ./nptl/futex-internal.c:57
#3 __futex_abstimed_wait_common (futex_word=futex_word@entry=0x7f0b2c0446a0, expected=expected@entry=0, clockid=clockid@entry=1, abstime=abstime@entry=0x7f0b27d7e900, private=private@entry=0, cancel=cancel@entry=true) at ./nptl/futex-internal.c:87
#4 0x00007f0b405c0cfb in __GI___futex_abstimed_wait_cancelable64 (futex_word=futex_word@entry=0x7f0b2c0446a0, expected=expected@entry=0, clockid=clockid@entry=1, abstime=abstime@entry=0x7f0b27d7e900, private=private@entry=0) at ./nptl/futex-internal.c:139
#5 0x00007f0b405c331d in __pthread_cond_wait_common (cond=0x7f0b2c044680, mutex=0x7f0b2c003d48, clockid=1, abstime=0x7f0b27d7e900) at ./nptl/pthread_cond_wait.c:426
#6 ___pthread_cond_timedwait64 (cond=0x7f0b2c044680, mutex=0x7f0b2c003d48, abstime=0x7f0b27d7e900) at ./nptl/pthread_cond_wait.c:483
#7 0x00005588f5c318e3 in dart::TimedWait (cv=0x7f0b2c044680, mutex=0x7f0b2c003d48, timeout_micros=61000000) at out/ReleaseX64/../../runtime/platform/synchronization_posix.cc:133
#8 dart::ConditionVariable::WaitMicros (this=0x7f0b2c044680, mutex=0x7f0b2c003d48, timeout_micros=61000000) at out/ReleaseX64/../../runtime/platform/synchronization_posix.cc:147
#9 0x00005588f5e0cdc8 in dart::ThreadPool::Worker::Sleep (this=0x7f0b2c044650, timeout_micros=61000000) at ../../runtime/vm/thread_pool.h:101
#10 dart::MutatorThreadPool::OnEnterIdleLocked (this=0x7f0b2c003d40, ml=0x7f0b27d7eda8, worker=0x7f0b2c044650) at out/ReleaseX64/../../runtime/vm/isolate.cc:283
#11 0x00005588f5f163c0 in dart::ThreadPool::WorkerLoop (this=this@entry=0x7f0b2c003d40, worker=worker@entry=0x7f0b2c044650) at out/ReleaseX64/../../runtime/vm/thread_pool.cc:216
#12 0x00005588f5f166d2 in dart::ThreadPool::Worker::Main (args=args@entry=139685959845456) at out/ReleaseX64/../../runtime/vm/thread_pool.cc:367
#13 0x00005588f5ec2ff9 in dart::ThreadStart (data_ptr=<optimized out>) at out/ReleaseX64/../../runtime/vm/os_thread_linux.cc:97
#14 0x00007f0b405c3b7b in start_thread (arg=<optimized out>) at ./nptl/pthread_create.c:448
#15 0x00007f0b406417b8 in __GI___clone3 () at ../sysdeps/unix/sysv/linux/x86_64/clone3.S:78
Thread 13 (Thread 0x7f0b25dff6c0 (LWP 946224) "DartWorker"):
#0 __syscall_cancel_arch () at ../sysdeps/unix/sysv/linux/x86_64/syscall_cancel.S:56
#1 0x00007f0b405c0668 in __internal_syscall_cancel (a1=<optimized out>, a2=<optimized out>, a3=<optimized out>, a4=<optimized out>, a5=a5@entry=0, a6=a6@entry=4294967295, nr=202) at ./nptl/cancellation.c:49
#2 0x00007f0b405c0c9c in __futex_abstimed_wait_common64 (private=0, futex_word=0x5589183344d8, expected=<optimized out>, op=<optimized out>, abstime=0x0, cancel=true) at ./nptl/futex-internal.c:57
#3 __futex_abstimed_wait_common (futex_word=futex_word@entry=0x5589183344d8, expected=<optimized out>, clockid=clockid@entry=0, abstime=abstime@entry=0x0, private=private@entry=0, cancel=cancel@entry=true) at ./nptl/futex-internal.c:87
#4 0x00007f0b405c0cfb in __GI___futex_abstimed_wait_cancelable64 (futex_word=futex_word@entry=0x5589183344d8, expected=<optimized out>, clockid=clockid@entry=0, abstime=abstime@entry=0x0, private=private@entry=0) at ./nptl/futex-internal.c:139
#5 0x00007f0b405c3158 in __pthread_cond_wait_common (cond=0x5589183344b8, mutex=0x558918334488, clockid=0, abstime=0x0) at ./nptl/pthread_cond_wait.c:426
#6 ___pthread_cond_wait (cond=0x5589183344b8, mutex=0x558918334488) at ./nptl/pthread_cond_wait.c:458
#7 0x00005588f5c318f2 in dart::ConditionVariable::WaitMicros (this=0x5589183344d8, mutex=0x189, timeout_micros=252) at out/ReleaseX64/../../runtime/platform/synchronization_posix.cc:144
#8 0x00005588f5e338cd in dart::Monitor::Wait (this=0x558918334488, timeout_millis=0) at ../../runtime/platform/synchronization.h:114
#9 dart::MonitorLocker::Wait (millis=0, this=<optimized out>) at ../../runtime/vm/lockers.h:189
--Type <RET> for more, q to quit, c to continue without paging--c
#10 dart::SafepointRwLock::TryEnterRead (this=0x558918334480, can_block=true, acquired_read_lock=<optimized out>) at out/ReleaseX64/../../runtime/vm/lockers.cc:141
#11 dart::SafepointRwLock::EnterRead (this=0x558918334480) at out/ReleaseX64/../../runtime/vm/lockers.cc:126
#12 0x00005588f5e5b1db in dart::SafepointReadRwLocker::SafepointReadRwLocker (this=0x7f0b25dfd9d8, thread_state=0x558918343140, rw_lock=0x558918334480) at ../../runtime/vm/lockers.h:446
#13 dart::Class::EnsureIsFinalized (this=0x7f0b25dfdd70, thread=0x558918343140) at out/ReleaseX64/../../runtime/vm/object.cc:5449
#14 0x00005588f5ee0e9c in dart::Resolve (thread=0x558918343140, zone=<optimized out>, caller_arguments=..., receiver_class=..., name=..., descriptor=...) at out/ReleaseX64/../../runtime/vm/runtime_entry.cc:2458
#15 dart::PatchableCallHandler::ResolveTargetFunction (this=this@entry=0x7f0b25dfdbb8, data=...) at out/ReleaseX64/../../runtime/vm/runtime_entry.cc:3255
#16 0x00005588f5ee0fb0 in dart::PatchableCallHandler::ResolveSwitchAndReturn (this=0x5589183344d8, this@entry=0x7f0b25dfdbb8, old_data=...) at out/ReleaseX64/../../runtime/vm/runtime_entry.cc:3263
#17 0x00005588f5ee65a7 in dart::InlineCacheMissHandler (thread=<optimized out>, zone=<optimized out>, args=..., ic_data=..., native_arguments=...) at out/ReleaseX64/../../runtime/vm/runtime_entry.cc:3373
#18 0x00005588f5ee127a in dart::DRT_HelperInlineCacheMissHandlerOneArg (thread=0x558918343140, zone=0x7f0b25dfdca8, arguments=..., isolate=<optimized out>) at out/ReleaseX64/../../runtime/vm/runtime_entry.cc:3390
#19 DRT_InlineCacheMissHandlerOneArg (arguments=...) at out/ReleaseX64/../../runtime/vm/runtime_entry.cc:3384
#20 0x00007f0b40202fc3 in ?? ()
#21 0x0000558918343140 in ?? ()
#22 0x0000000000000002 in ?? ()
#23 0x00007f0b25dfe238 in ?? ()
#24 0x00007f0b25dfe240 in ?? ()
#25 0x00007f0b402938b1 in ?? ()
#26 0x00007f0b4028e4d1 in ?? ()
#27 0x00007f0b25dfe270 in ?? ()
#28 0x00007f0b40204044 in ?? ()
#29 0x00007f0b25ec9771 in ?? ()
#30 0x00007f0b24f83f99 in ?? ()
#31 0x0000000000000000 in ?? ()
Thread 12 (Thread 0x7f0b25cfe6c0 (LWP 946225) "DartWorker"):
#0 __syscall_cancel_arch () at ../sysdeps/unix/sysv/linux/x86_64/syscall_cancel.S:56
#1 0x00007f0b405c0668 in __internal_syscall_cancel (a1=<optimized out>, a2=<optimized out>, a3=<optimized out>, a4=<optimized out>, a5=a5@entry=0, a6=a6@entry=4294967295, nr=202) at ./nptl/cancellation.c:49
#2 0x00007f0b405c0c9c in __futex_abstimed_wait_common64 (private=0, futex_word=0x7f0ad8001ba8, expected=<optimized out>, op=<optimized out>, abstime=0x0, cancel=true) at ./nptl/futex-internal.c:57
#3 __futex_abstimed_wait_common (futex_word=futex_word@entry=0x7f0ad8001ba8, expected=<optimized out>, clockid=clockid@entry=0, abstime=abstime@entry=0x0, private=private@entry=0, cancel=cancel@entry=true) at ./nptl/futex-internal.c:87
#4 0x00007f0b405c0cfb in __GI___futex_abstimed_wait_cancelable64 (futex_word=futex_word@entry=0x7f0ad8001ba8, expected=<optimized out>, clockid=clockid@entry=0, abstime=abstime@entry=0x0, private=private@entry=0) at ./nptl/futex-internal.c:139
#5 0x00007f0b405c3158 in __pthread_cond_wait_common (cond=0x7f0ad8001b88, mutex=0x7f0ad8001b58, clockid=0, abstime=0x0) at ./nptl/pthread_cond_wait.c:426
#6 ___pthread_cond_wait (cond=0x7f0ad8001b88, mutex=0x7f0ad8001b58) at ./nptl/pthread_cond_wait.c:458
#7 0x00005588f5c318f2 in dart::ConditionVariable::WaitMicros (this=0x7f0ad8001ba8, mutex=0x189, timeout_micros=56) at out/ReleaseX64/../../runtime/platform/synchronization_posix.cc:144
#8 0x00005588f5f4364f in dart::Monitor::Wait (this=0x189, this@entry=0x7f0b25cfd250, timeout_millis=0) at ../../runtime/platform/synchronization.h:114
#9 dart::MonitorLocker::Wait (this=0x7f0b25cfd250, millis=0) at ../../runtime/vm/lockers.h:189
#10 dart::SafepointHandler::ExitSafepointLocked (this=this@entry=0x558918331420, T=T@entry=0x7f0ad80012a0, tl=tl@entry=0x7f0b25cfd250, level=dart::kGCAndDeoptAndReload) at out/ReleaseX64/../../runtime/vm/heap/safepoint.cc:367
#11 0x00005588f5f4391d in dart::SafepointHandler::ExitSafepointUsingLock (this=0x558918331420, T=0x7f0ad80012a0) at out/ReleaseX64/../../runtime/vm/heap/safepoint.cc:289
#12 0x00005588f5e44dd1 in dart::Thread::ExitSafepointFromNative (this=0x7f0ad80012a0) at ../../runtime/vm/thread.h:1242
#13 dart::TransitionGeneratedToNative::~TransitionGeneratedToNative (this=0x7f0b25cfd298) at ../../runtime/vm/heap/safepoint.h:346
#14 dart::NativeEntry::AutoScopeNativeCallWrapper (args=0x7f0b25cfd2e0, func=<optimized out>) at out/ReleaseX64/../../runtime/vm/native_entry.cc:227
#15 0x00007f0b40203234 in ?? ()
#16 0x00007f0ad80012a0 in ?? ()
#17 0x0000000000000001 in ?? ()
#18 0x00007f0b25cfd328 in ?? ()
#19 0x00007f0b25cfd320 in ?? ()
#20 0x00007f0b25fb42f1 in ?? ()
#21 0x00007f0b4028e8f1 in ?? ()
#22 0x00007f0b25cfd348 in ?? ()
#23 0x00007f0b3b127067 in ?? ()
#24 0x00007f0b40288081 in ?? ()
#25 0x00007f0b3b182309 in ?? ()
#26 0x00007f0b40288081 in ?? ()
#27 0x00007f0b25fb3fe1 in ?? ()
#28 0x00007f0b25fb4321 in ?? ()
#29 0x00007f0b25cfd378 in ?? ()
#30 0x00007f0b3b126fde in ?? ()
#31 0x00007f0b3b182309 in ?? ()
#32 0x00007f0b40288081 in ?? ()
#33 0x00007f0b25fb3bf1 in ?? ()
#34 0x00007f0b25fb4041 in ?? ()
#35 0x00007f0b25cfd3a8 in ?? ()
#36 0x00007f0b3b126f19 in ?? ()
#37 0x00007f0b3b182309 in ?? ()
#38 0x00007f0b40288081 in ?? ()
#39 0x00007f0b25fb34e1 in ?? ()
#40 0x00007f0b25fb3c31 in ?? ()
#41 0x00007f0b25cfd3e8 in ?? ()
#42 0x00007f0b3b126dc2 in ?? ()
#43 0x00007f0b3b182309 in ?? ()
#44 0x00007f0b3b0b78d1 in ?? ()
#45 0x00007f0b3b0b78d1 in ?? ()
#46 0x00007f0b40288081 in ?? ()
#47 0x00007f0b25fb30b1 in ?? ()
#48 0x00007f0b25fb3551 in ?? ()
#49 0x00007f0b25cfd428 in ?? ()
#50 0x00007f0b3b126c39 in ?? ()
#51 0x00007f0b3b182309 in ?? ()
#52 0x00007f0b40288081 in ?? ()
#53 0x00007f0b3b182309 in ?? ()
#54 0x00007f0b40288081 in ?? ()
#55 0x00007f0b25eb2091 in ?? ()
#56 0x00007f0b25fb3141 in ?? ()
#57 0x00007f0b25cfd468 in ?? ()
#58 0x00007f0b3b13316d in ?? ()
#59 0x00007f0b3b182309 in ?? ()
#60 0x00007f0b24f811c9 in ?? ()
#61 0x000000000000001e in ?? ()
#62 0x00007f0b40288081 in ?? ()
#63 0x00007f0b25eb0551 in ?? ()
#64 0x00007f0b25eb21b1 in ?? ()
#65 0x00007f0b25cfd498 in ?? ()
#66 0x00007f0b3b132929 in ?? ()
#67 0x00007f0b25005de9 in ?? ()
#68 0x00007f0b40288081 in ?? ()
#69 0x00007f0b25f95aa1 in ?? ()
#70 0x00007f0b25eb0591 in ?? ()
#71 0x00007f0b25cfd500 in ?? ()
#72 0x00007f0b3b12196a in ?? ()
#73 0x00007f0b25005de9 in ?? ()
#74 0x00007f0b25ffa8c1 in ?? ()
#75 0x00007f0b40288081 in ?? ()
#76 0x00007f0b40288081 in ?? ()
#77 0x00007f0b40288081 in ?? ()
#78 0x00007f0b40288081 in ?? ()
#79 0x00007f0b40288081 in ?? ()
#80 0x00007f0b40288081 in ?? ()
#81 0x00007f0b40288081 in ?? ()
#82 0x00007f0b25f96431 in ?? ()
#83 0x00007f0b25f95b11 in ?? ()
#84 0x00007f0b25cfd548 in ?? ()
#85 0x00007f0b3b121d26 in ?? ()
#86 0x00007f0b25005de9 in ?? ()
#87 0x00007f0b25ffa8c1 in ?? ()
#88 0x00007f0b25ffa8c1 in ?? ()
#89 0x00007f0b40288081 in ?? ()
#90 0x00007f0b258842d9 in ?? ()
#91 0x00007f0b25f95aa1 in ?? ()
#92 0x00007f0b25f96531 in ?? ()
#93 0x00007f0b25cfd5b0 in ?? ()
#94 0x00007f0b3b12196a in ?? ()
#95 0x00007f0b40288081 in ?? ()
#96 0x00007f0b25884559 in ?? ()
#97 0x00007f0b40288081 in ?? ()
#98 0x00007f0b40288081 in ?? ()
#99 0x00007f0b40288081 in ?? ()
#100 0x00007f0b40288081 in ?? ()
#101 0x00007f0b40288081 in ?? ()
#102 0x00007f0b40288081 in ?? ()
#103 0x00007f0b40288081 in ?? ()
#104 0x00007f0b25f92a21 in ?? ()
#105 0x00007f0b25f95b11 in ?? ()
#106 0x00007f0b25cfd608 in ?? ()
#107 0x00007f0b3b1207b2 in ?? ()
#108 0x00007f0b40288081 in ?? ()
#109 0x00007f0b25884559 in ?? ()
#110 0x00007f0b25884559 in ?? ()
#111 0x00007f0b25884449 in ?? ()
#112 0x00007f0b25884559 in ?? ()
#113 0x00007f0b25884559 in ?? ()
#114 0x00007f0b40288081 in ?? ()
#115 0x0000000000000000 in ?? ()
Thread 11 (Thread 0x7f0b256ff6c0 (LWP 946227) "DartWorker"):
#0 futex_wait (futex_word=0x55891831fc50, expected=2, private=0) at ../sysdeps/nptl/futex-internal.h:146
#1 __GI___lll_lock_wait (futex=futex@entry=0x55891831fc50, private=0) at ./nptl/lowlevellock.c:49
#2 0x00007f0b405c6f72 in lll_mutex_lock_optimized (mutex=0x55891831fc50) at ./nptl/pthread_mutex_lock.c:48
#3 ___pthread_mutex_lock (mutex=0x55891831fc50) at ./nptl/pthread_mutex_lock.c:93
#4 0x00005588f5e149c0 in dart::Monitor::Enter (this=0x55891831fc50) at ../../runtime/platform/synchronization.h:109
#5 dart::MonitorLocker::MonitorLocker (monitor=0x55891831fc50, no_safepoint_scope=true, this=<optimized out>) at ../../runtime/vm/lockers.h:159
#6 dart::Isolate::UnMarkIsolateReady (isolate=0x7f0b00000d90) at out/ReleaseX64/../../runtime/vm/isolate.cc:3689
#7 dart::Isolate::Shutdown (this=0x7f0b00000d90) at out/ReleaseX64/../../runtime/vm/isolate.cc:2636
#8 0x00005588f60e9fd4 in Dart_ShutdownIsolate () at ../../runtime/vm/dart_api_impl.cc:1453
#9 0x00005588f5f16477 in dart::ThreadPool::WorkerLoop (this=this@entry=0x558918336320, worker=worker@entry=0x7f0b18012e50) at out/ReleaseX64/../../runtime/vm/thread_pool.cc:207
#10 0x00005588f5f166d2 in dart::ThreadPool::Worker::Main (args=args@entry=139685624098384) at out/ReleaseX64/../../runtime/vm/thread_pool.cc:367
#11 0x00005588f5ec2ff9 in dart::ThreadStart (data_ptr=<optimized out>) at out/ReleaseX64/../../runtime/vm/os_thread_linux.cc:97
#12 0x00007f0b405c3b7b in start_thread (arg=<optimized out>) at ./nptl/pthread_create.c:448
#13 0x00007f0b406417b8 in __GI___clone3 () at ../sysdeps/unix/sysv/linux/x86_64/clone3.S:78
Thread 10 (Thread 0x7f0b255fe6c0 (LWP 946228) "DartWorker"):
#0 __syscall_cancel_arch () at ../sysdeps/unix/sysv/linux/x86_64/syscall_cancel.S:56
#1 0x00007f0b405c0668 in __internal_syscall_cancel (a1=<optimized out>, a2=<optimized out>, a3=<optimized out>, a4=<optimized out>, a5=a5@entry=0, a6=a6@entry=4294967295, nr=202) at ./nptl/cancellation.c:49
#2 0x00007f0b405c0c9c in __futex_abstimed_wait_common64 (private=0, futex_word=0x5589183313fc, expected=<optimized out>, op=<optimized out>, abstime=0x0, cancel=true) at ./nptl/futex-internal.c:57
#3 __futex_abstimed_wait_common (futex_word=futex_word@entry=0x5589183313fc, expected=<optimized out>, clockid=clockid@entry=0, abstime=abstime@entry=0x0, private=private@entry=0, cancel=cancel@entry=true) at ./nptl/futex-internal.c:87
#4 0x00007f0b405c0cfb in __GI___futex_abstimed_wait_cancelable64 (futex_word=futex_word@entry=0x5589183313fc, expected=<optimized out>, clockid=clockid@entry=0, abstime=abstime@entry=0x0, private=private@entry=0) at ./nptl/futex-internal.c:139
#5 0x00007f0b405c3158 in __pthread_cond_wait_common (cond=0x5589183313d8, mutex=0x5589183313a8, clockid=0, abstime=0x0) at ./nptl/pthread_cond_wait.c:426
#6 ___pthread_cond_wait (cond=0x5589183313d8, mutex=0x5589183313a8) at ./nptl/pthread_cond_wait.c:458
#7 0x00005588f5c318f2 in dart::ConditionVariable::WaitMicros (this=0x5589183313fc, mutex=0x189, timeout_micros=10) at out/ReleaseX64/../../runtime/platform/synchronization_posix.cc:144
#8 0x00005588f5e33bad in dart::Monitor::Wait (this=0x5589183313a8, timeout_millis=0) at ../../runtime/platform/synchronization.h:114
#9 dart::MonitorLocker::Wait (millis=0, this=<optimized out>) at ../../runtime/vm/lockers.h:189
#10 dart::SafepointRwLock::TryEnterWrite (this=0x5589183313a0, can_block=true) at out/ReleaseX64/../../runtime/vm/lockers.cc:209
#11 dart::SafepointRwLock::EnterWrite (this=0x5589183313a0) at out/ReleaseX64/../../runtime/vm/lockers.cc:196
#12 0x00005588f5e133ed in dart::SafepointWriteRwLocker::SafepointWriteRwLocker (this=0x7f0b255fd2c8, thread_state=<optimized out>, rw_lock=0x5589183313a0) at ../../runtime/vm/lockers.h:493
#13 dart::IsolateGroup::UnregisterIsolate (this=0x55891833c990, isolate=0x7f0afc000d90) at out/ReleaseX64/../../runtime/vm/isolate.cc:461
#14 dart::Isolate::LowLevelCleanup (isolate=isolate@entry=0x7f0afc000d90) at out/ReleaseX64/../../runtime/vm/isolate.cc:2678
#15 0x00005588f5e14a46 in dart::Isolate::Shutdown (this=0x7f0afc000d90) at out/ReleaseX64/../../runtime/vm/isolate.cc:2657
#16 0x00005588f60e9fd4 in Dart_ShutdownIsolate () at ../../runtime/vm/dart_api_impl.cc:1453
#17 0x00005588f5f16477 in dart::ThreadPool::WorkerLoop (this=this@entry=0x558918336320, worker=worker@entry=0x7f0b180130a0) at out/ReleaseX64/../../runtime/vm/thread_pool.cc:207
#18 0x00005588f5f166d2 in dart::ThreadPool::Worker::Main (args=args@entry=139685624098976) at out/ReleaseX64/../../runtime/vm/thread_pool.cc:367
#19 0x00005588f5ec2ff9 in dart::ThreadStart (data_ptr=<optimized out>) at out/ReleaseX64/../../runtime/vm/os_thread_linux.cc:97
#20 0x00007f0b405c3b7b in start_thread (arg=<optimized out>) at ./nptl/pthread_create.c:448
#21 0x00007f0b406417b8 in __GI___clone3 () at ../sysdeps/unix/sysv/linux/x86_64/clone3.S:78
Thread 9 (Thread 0x7f0b252fb6c0 (LWP 946231) "DartWorker"):
#0 futex_wait (futex_word=0x55891831fc50, expected=2, private=0) at ../sysdeps/nptl/futex-internal.h:146
#1 __GI___lll_lock_wait (futex=futex@entry=0x55891831fc50, private=0) at ./nptl/lowlevellock.c:49
#2 0x00007f0b405c6f72 in lll_mutex_lock_optimized (mutex=0x55891831fc50) at ./nptl/pthread_mutex_lock.c:48
#3 ___pthread_mutex_lock (mutex=0x55891831fc50) at ./nptl/pthread_mutex_lock.c:93
#4 0x00005588f5e16d3c in dart::Monitor::Enter (this=0x55891831fc50) at ../../runtime/platform/synchronization.h:109
#5 dart::MonitorLocker::MonitorLocker (monitor=0x55891831fc50, no_safepoint_scope=true, this=<optimized out>) at ../../runtime/vm/lockers.h:159
#6 dart::Isolate::LookupIsolateNameByPort (port=5273688701100475) at out/ReleaseX64/../../runtime/vm/isolate.cc:3665
#7 0x00005588f5dae639 in dart::DN_HelperIsolate_getDebugName (zone=<optimized out>, zone@entry=0x7f0b252f9950, arguments=<optimized out>, arguments@entry=0x7f0b252f9eb8, isolate=<optimized out>, thread=<optimized out>) at out/ReleaseX64/../../runtime/lib/isolate.cc:1233
#8 dart::BootstrapNatives::DN_Isolate_getDebugName (thread=thread@entry=0x7f0b04006680, zone=zone@entry=0x7f0b252f9e70, arguments=arguments@entry=0x7f0b252fa370) at out/ReleaseX64/../../runtime/lib/isolate.cc:1231
#9 0x00005588f5e447b4 in dart::NativeEntry::BootstrapNativeCallWrapper (args=0x7f0b252fa370, func=0x5588f5dae5e0 <dart::BootstrapNatives::DN_Isolate_getDebugName(dart::Thread*, dart::Zone*, dart::NativeArguments*)>) at out/ReleaseX64/../../runtime/vm/native_entry.cc:150
#10 0x00007f0b40203114 in ?? ()
#11 0x00007f0b04006680 in ?? ()
#12 0x0000000000000001 in ?? ()
#13 0x00007f0b252fa3b8 in ?? ()
#14 0x00007f0b252fa3b0 in ?? ()
#15 0x00007f0b25ebe5a1 in ?? ()
#16 0x00007f0b4028e791 in ?? ()
#17 0x00007f0b252fa3d8 in ?? ()
#18 0x00007f0b3b135607 in ?? ()
#19 0x00007f0b40288081 in ?? ()
#20 0x00007f0b247020f9 in ?? ()
#21 0x00007f0b40288081 in ?? ()
#22 0x00007f0b25ebbe71 in ?? ()
#23 0x00007f0b25ebe5f1 in ?? ()
#24 0x00007f0b252fa410 in ?? ()
#25 0x00007f0b3b134e3c in ?? ()
#26 0x00007f0b247020f9 in ?? ()
#27 0x00007f0b40288081 in ?? ()
#28 0x00007f0b40288081 in ?? ()
#29 0x00007f0b25eb2091 in ?? ()
#30 0x00007f0b25ebbed1 in ?? ()
#31 0x00007f0b252fa468 in ?? ()
#32 0x00007f0b3b133100 in ?? ()
#33 0x00007f0b24702139 in ?? ()
#34 0x0000000000000006 in ?? ()
#35 0x00007f0b24702089 in ?? ()
#36 0x00007f0b24702089 in ?? ()
#37 0x00007f0b24f811c9 in ?? ()
#38 0x0000000000000026 in ?? ()
#39 0x00007f0b40288081 in ?? ()
#40 0x00007f0b25eb0551 in ?? ()
#41 0x00007f0b25eb21b1 in ?? ()
#42 0x00007f0b252fa498 in ?? ()
#43 0x00007f0b3b132929 in ?? ()
#44 0x00007f0b250082e9 in ?? ()
#45 0x00007f0b40288081 in ?? ()
#46 0x00007f0b25f95aa1 in ?? ()
#47 0x00007f0b25eb0591 in ?? ()
#48 0x00007f0b252fa500 in ?? ()
#49 0x00007f0b3b12196a in ?? ()
#50 0x00007f0b250082e9 in ?? ()
#51 0x00007f0b25ffa8c1 in ?? ()
#52 0x00007f0b40288081 in ?? ()
#53 0x00007f0b40288081 in ?? ()
#54 0x00007f0b40288081 in ?? ()
#55 0x00007f0b40288081 in ?? ()
#56 0x00007f0b40288081 in ?? ()
#57 0x00007f0b40288081 in ?? ()
#58 0x00007f0b40288081 in ?? ()
#59 0x00007f0b25f96431 in ?? ()
#60 0x00007f0b25f95b11 in ?? ()
#61 0x00007f0b252fa548 in ?? ()
#62 0x00007f0b3b121d26 in ?? ()
#63 0x00007f0b250082e9 in ?? ()
#64 0x00007f0b25ffa8c1 in ?? ()
#65 0x00007f0b25ffa8c1 in ?? ()
#66 0x00007f0b40288081 in ?? ()
#67 0x00007f0b25b03689 in ?? ()
#68 0x00007f0b25f95aa1 in ?? ()
#69 0x00007f0b25f96531 in ?? ()
#70 0x00007f0b252fa5b0 in ?? ()
#71 0x00007f0b3b12196a in ?? ()
#72 0x00007f0b40288081 in ?? ()
#73 0x00007f0b25b03909 in ?? ()
#74 0x00007f0b40288081 in ?? ()
#75 0x00007f0b40288081 in ?? ()
#76 0x00007f0b40288081 in ?? ()
#77 0x00007f0b40288081 in ?? ()
#78 0x00007f0b40288081 in ?? ()
#79 0x00007f0b40288081 in ?? ()
#80 0x00007f0b40288081 in ?? ()
#81 0x00007f0b25f92a21 in ?? ()
#82 0x00007f0b25f95b11 in ?? ()
#83 0x00007f0b252fa608 in ?? ()
#84 0x00007f0b3b1207b2 in ?? ()
#85 0x00007f0b40288081 in ?? ()
#86 0x00007f0b25b03909 in ?? ()
#87 0x00007f0b25b03909 in ?? ()
#88 0x00007f0b25b037f9 in ?? ()
#89 0x00007f0b25b03909 in ?? ()
#90 0x00007f0b25b03909 in ?? ()
#91 0x00007f0b40288081 in ?? ()
#92 0x0000000000000000 in ?? ()
Thread 8 (Thread 0x7f0b24d7d6c0 (LWP 946235) "DartWorker"):
#0 __syscall_cancel_arch () at ../sysdeps/unix/sysv/linux/x86_64/syscall_cancel.S:56
#1 0x00007f0b405c0668 in __internal_syscall_cancel (a1=<optimized out>, a2=<optimized out>, a3=<optimized out>, a4=<optimized out>, a5=a5@entry=0, a6=a6@entry=4294967295, nr=202) at ./nptl/cancellation.c:49
#2 0x00007f0b405c0c9c in __futex_abstimed_wait_common64 (private=0, futex_word=0x7f0ae0001bac, expected=<optimized out>, op=<optimized out>, abstime=0x0, cancel=true) at ./nptl/futex-internal.c:57
#3 __futex_abstimed_wait_common (futex_word=futex_word@entry=0x7f0ae0001bac, expected=<optimized out>, clockid=clockid@entry=0, abstime=abstime@entry=0x0, private=private@entry=0, cancel=cancel@entry=true) at ./nptl/futex-internal.c:87
#4 0x00007f0b405c0cfb in __GI___futex_abstimed_wait_cancelable64 (futex_word=futex_word@entry=0x7f0ae0001bac, expected=<optimized out>, clockid=clockid@entry=0, abstime=abstime@entry=0x0, private=private@entry=0) at ./nptl/futex-internal.c:139
#5 0x00007f0b405c3158 in __pthread_cond_wait_common (cond=0x7f0ae0001b88, mutex=0x7f0ae0001b58, clockid=0, abstime=0x0) at ./nptl/pthread_cond_wait.c:426
#6 ___pthread_cond_wait (cond=0x7f0ae0001b88, mutex=0x7f0ae0001b58) at ./nptl/pthread_cond_wait.c:458
#7 0x00005588f5c318f2 in dart::ConditionVariable::WaitMicros (this=0x7f0ae0001bac, mutex=0x189, timeout_micros=29) at out/ReleaseX64/../../runtime/platform/synchronization_posix.cc:144
#8 0x00005588f5f4364f in dart::Monitor::Wait (this=0x189, this@entry=0x7f0b24d7bc60, timeout_millis=0) at ../../runtime/platform/synchronization.h:114
#9 dart::MonitorLocker::Wait (this=0x7f0b24d7bc60, millis=0) at ../../runtime/vm/lockers.h:189
#10 dart::SafepointHandler::ExitSafepointLocked (this=this@entry=0x558918331420, T=T@entry=0x7f0ae00012a0, tl=tl@entry=0x7f0b24d7bc60, level=dart::kGCAndDeopt) at out/ReleaseX64/../../runtime/vm/heap/safepoint.cc:367
#11 0x00005588f5f4391d in dart::SafepointHandler::ExitSafepointUsingLock (this=0x558918331420, T=0x7f0ae00012a0) at out/ReleaseX64/../../runtime/vm/heap/safepoint.cc:289
#12 0x00005588f5e33949 in dart::Thread::ExitSafepoint (this=0x7f0ae00012a0) at ../../runtime/vm/thread.h:1221
#13 dart::TransitionVMToBlocked::~TransitionVMToBlocked (this=0x7f0b24d7bcb0) at ../../runtime/vm/heap/safepoint.h:371
#14 dart::SafepointRwLock::EnterRead (this=0x5589183313a0) at out/ReleaseX64/../../runtime/vm/lockers.cc:129
#15 0x00005588f5e0f936 in dart::SafepointReadRwLocker::SafepointReadRwLocker (this=0x7f0b24d7bd08, thread_state=0x7f0ae00012a0, rw_lock=0x5589183313a0) at ../../runtime/vm/lockers.h:446
#16 dart::IsolateGroup::ForEachIsolate (this=0x55891833c990, function=..., at_safepoint=<optimized out>) at out/ReleaseX64/../../runtime/vm/isolate.cc:2905
#17 0x00005588f5e183d6 in dart::Isolate::LookupIsolateNameByPort(long)::$_0::operator()(dart::IsolateGroup*) const (this=<optimized out>, group=0xfffffffffffffe00) at out/ReleaseX64/../../runtime/vm/isolate.cc:3668
#18 std::__2::__invoke[abi:nn220000]<dart::Isolate::LookupIsolateNameByPort(long)::$_0&, dart::IsolateGroup*>(dart::Isolate::LookupIsolateNameByPort(long)::$_0&, dart::IsolateGroup*&&) (__args=<optimized out>, __args=<optimized out>) at ../../buildtools/linux-x64/clang/bin/../include/c++/v1/__type_traits/invoke.h:90
#19 std::__2::__invoke_void_return_wrapper<void, true>::__call[abi:nn220000]<dart::Isolate::LookupIsolateNameByPort(long)::$_0&, dart::IsolateGroup*>(dart::Isolate::LookupIsolateNameByPort(long)::$_0&, dart::IsolateGroup*&&) (__args=<optimized out>, __args=<optimized out>) at ../../buildtools/linux-x64/clang/bin/../include/c++/v1/__type_traits/invoke.h:350
#20 std::__2::__invoke_r[abi:nn220000]<void, dart::Isolate::LookupIsolateNameByPort(long)::$_0&, dart::IsolateGroup*>(dart::Isolate::LookupIsolateNameByPort(long)::$_0&, dart::IsolateGroup*&&) (__args=<optimized out>, __args=<optimized out>) at ../../buildtools/linux-x64/clang/bin/../include/c++/v1/__type_traits/invoke.h:356
#21 std::__2::__function::__policy_func<void (dart::IsolateGroup*)>::__call_func[abi:nn220000]<dart::Isolate::LookupIsolateNameByPort(long)::$_0>(std::__2::__function::__policy_storage const*, dart::IsolateGroup*) (__buf=<optimized out>, __args=0xfffffffffffffe00) at ../../buildtools/linux-x64/clang/bin/../include/c++/v1/__functional/function.h:443
#22 0x00005588f5e0ee19 in std::__2::__function::__policy_func<void (dart::IsolateGroup*)>::operator()[abi:nn220000](dart::IsolateGroup*&&) const (this=0x7f0b24d7bde8, __args=<optimized out>) at ../../buildtools/linux-x64/clang/bin/../include/c++/v1/__functional/function.h:502
#23 std::__2::function<void(dart::IsolateGroup*)>::operator() (this=0x7f0b24d7bde8, __arg=0x55891833c990) at ../../buildtools/linux-x64/clang/bin/../include/c++/v1/__functional/function.h:754
#24 dart::IsolateGroup::ForEach (action=...) at out/ReleaseX64/../../runtime/vm/isolate.cc:735
#25 0x00005588f5e16d73 in dart::Isolate::LookupIsolateNameByPort (port=5232745057473911) at out/ReleaseX64/../../runtime/vm/isolate.cc:3667
#26 0x00005588f5dae639 in dart::DN_HelperIsolate_getDebugName (zone=<optimized out>, zone@entry=0x7f0b24d7b950, arguments=<optimized out>, arguments@entry=0x7f0b24d7beb8, isolate=<optimized out>, thread=<optimized out>) at out/ReleaseX64/../../runtime/lib/isolate.cc:1233
#27 dart::BootstrapNatives::DN_Isolate_getDebugName (thread=thread@entry=0x7f0ae00012a0, zone=zone@entry=0x7f0b24d7be70, arguments=arguments@entry=0x7f0b24d7c370) at out/ReleaseX64/../../runtime/lib/isolate.cc:1231
#28 0x00005588f5e447b4 in dart::NativeEntry::BootstrapNativeCallWrapper (args=0x7f0b24d7c370, func=0x5588f5dae5e0 <dart::BootstrapNatives::DN_Isolate_getDebugName(dart::Thread*, dart::Zone*, dart::NativeArguments*)>) at out/ReleaseX64/../../runtime/vm/native_entry.cc:150
#29 0x00007f0b40203114 in ?? ()
#30 0x00007f0ae00012a0 in ?? ()
#31 0x0000000000000001 in ?? ()
#32 0x00007f0b24d7c3b8 in ?? ()
#33 0x00007f0b24d7c3b0 in ?? ()
#34 0x00007f0b25ebe5a1 in ?? ()
#35 0x00007f0b4028e791 in ?? ()
#36 0x00007f0b24d7c3d8 in ?? ()
#37 0x00007f0b3b135607 in ?? ()
#38 0x00007f0b40288081 in ?? ()
#39 0x00007f0b24f89449 in ?? ()
#40 0x00007f0b40288081 in ?? ()
#41 0x00007f0b25ebbe71 in ?? ()
#42 0x00007f0b25ebe5f1 in ?? ()
#43 0x00007f0b24d7c410 in ?? ()
#44 0x00007f0b3b134e3c in ?? ()
#45 0x00007f0b24f89449 in ?? ()
#46 0x00007f0b40288081 in ?? ()
#47 0x00007f0b40288081 in ?? ()
#48 0x00007f0b25eb2091 in ?? ()
#49 0x00007f0b25ebbed1 in ?? ()
#50 0x00007f0b24d7c468 in ?? ()
#51 0x00007f0b3b133100 in ?? ()
#52 0x00007f0b24f89489 in ?? ()
#53 0x0000000000000006 in ?? ()
#54 0x00007f0b24f893d9 in ?? ()
#55 0x00007f0b24f893d9 in ?? ()
#56 0x00007f0b24f811c9 in ?? ()
#57 0x000000000000001a in ?? ()
#58 0x00007f0b40288081 in ?? ()
#59 0x00007f0b25eb0551 in ?? ()
#60 0x00007f0b25eb21b1 in ?? ()
#61 0x00007f0b24d7c498 in ?? ()
#62 0x00007f0b3b132929 in ?? ()
#63 0x00007f0b25004829 in ?? ()
#64 0x00007f0b40288081 in ?? ()
#65 0x00007f0b25f95aa1 in ?? ()
#66 0x00007f0b25eb0591 in ?? ()
#67 0x00007f0b24d7c500 in ?? ()
#68 0x00007f0b3b12196a in ?? ()
#69 0x00007f0b25004829 in ?? ()
#70 0x00007f0b25ffa8c1 in ?? ()
#71 0x00007f0b40288081 in ?? ()
#72 0x00007f0b40288081 in ?? ()
#73 0x00007f0b40288081 in ?? ()
#74 0x00007f0b40288081 in ?? ()
#75 0x00007f0b40288081 in ?? ()
#76 0x00007f0b40288081 in ?? ()
#77 0x00007f0b40288081 in ?? ()
#78 0x00007f0b25f96431 in ?? ()
#79 0x00007f0b25f95b11 in ?? ()
#80 0x00007f0b24d7c548 in ?? ()
#81 0x00007f0b3b121d26 in ?? ()
#82 0x00007f0b25004829 in ?? ()
#83 0x00007f0b25ffa8c1 in ?? ()
#84 0x00007f0b25ffa8c1 in ?? ()
#85 0x00007f0b40288081 in ?? ()
#86 0x00007f0b24201a69 in ?? ()
#87 0x00007f0b25f95aa1 in ?? ()
#88 0x00007f0b25f96531 in ?? ()
#89 0x00007f0b24d7c5b0 in ?? ()
#90 0x00007f0b3b12196a in ?? ()
#91 0x00007f0b40288081 in ?? ()
#92 0x00007f0b24201ce9 in ?? ()
#93 0x00007f0b40288081 in ?? ()
#94 0x00007f0b40288081 in ?? ()
#95 0x00007f0b40288081 in ?? ()
#96 0x00007f0b40288081 in ?? ()
#97 0x00007f0b40288081 in ?? ()
#98 0x00007f0b40288081 in ?? ()
#99 0x00007f0b40288081 in ?? ()
#100 0x00007f0b25f92a21 in ?? ()
#101 0x00007f0b25f95b11 in ?? ()
#102 0x00007f0b24d7c608 in ?? ()
#103 0x00007f0b3b1207b2 in ?? ()
#104 0x00007f0b40288081 in ?? ()
#105 0x00007f0b24201ce9 in ?? ()
#106 0x00007f0b24201ce9 in ?? ()
#107 0x00007f0b24201bd9 in ?? ()
#108 0x00007f0b24201ce9 in ?? ()
#109 0x00007f0b24201ce9 in ?? ()
#110 0x00007f0b40288081 in ?? ()
#111 0x0000000000000000 in ?? ()
Thread 7 (Thread 0x7f0b24c7c6c0 (LWP 946236) "DartWorker"):
#0 futex_wait (futex_word=0x55891831fc50, expected=2, private=0) at ../sysdeps/nptl/futex-internal.h:146
#1 __GI___lll_lock_wait (futex=futex@entry=0x55891831fc50, private=0) at ./nptl/lowlevellock.c:49
#2 0x00007f0b405c6f72 in lll_mutex_lock_optimized (mutex=0x55891831fc50) at ./nptl/pthread_mutex_lock.c:48
#3 ___pthread_mutex_lock (mutex=0x55891831fc50) at ./nptl/pthread_mutex_lock.c:93
#4 0x00005588f5e149c0 in dart::Monitor::Enter (this=0x55891831fc50) at ../../runtime/platform/synchronization.h:109
#5 dart::MonitorLocker::MonitorLocker (monitor=0x55891831fc50, no_safepoint_scope=true, this=<optimized out>) at ../../runtime/vm/lockers.h:159
#6 dart::Isolate::UnMarkIsolateReady (isolate=0x7f0b10000d90) at out/ReleaseX64/../../runtime/vm/isolate.cc:3689
#7 dart::Isolate::Shutdown (this=0x7f0b10000d90) at out/ReleaseX64/../../runtime/vm/isolate.cc:2636
#8 0x00005588f60e9fd4 in Dart_ShutdownIsolate () at ../../runtime/vm/dart_api_impl.cc:1453
#9 0x00005588f5f16477 in dart::ThreadPool::WorkerLoop (this=this@entry=0x558918336320, worker=worker@entry=0x7f0b180053f0) at out/ReleaseX64/../../runtime/vm/thread_pool.cc:207
#10 0x00005588f5f166d2 in dart::ThreadPool::Worker::Main (args=args@entry=139685624042480) at out/ReleaseX64/../../runtime/vm/thread_pool.cc:367
#11 0x00005588f5ec2ff9 in dart::ThreadStart (data_ptr=<optimized out>) at out/ReleaseX64/../../runtime/vm/os_thread_linux.cc:97
#12 0x00007f0b405c3b7b in start_thread (arg=<optimized out>) at ./nptl/pthread_create.c:448
#13 0x00007f0b406417b8 in __GI___clone3 () at ../sysdeps/unix/sysv/linux/x86_64/clone3.S:78
Thread 6 (Thread 0x7f0b24b7b6c0 (LWP 946237) "DartWorker"):
#0 __syscall_cancel_arch () at ../sysdeps/unix/sysv/linux/x86_64/syscall_cancel.S:56
#1 0x00007f0b405c0668 in __internal_syscall_cancel (a1=<optimized out>, a2=<optimized out>, a3=<optimized out>, a4=<optimized out>, a5=a5@entry=0, a6=a6@entry=4294967295, nr=202) at ./nptl/cancellation.c:49
#2 0x00007f0b405c0c9c in __futex_abstimed_wait_common64 (private=0, futex_word=0x7f0ae4001ba8, expected=<optimized out>, op=<optimized out>, abstime=0x0, cancel=true) at ./nptl/futex-internal.c:57
#3 __futex_abstimed_wait_common (futex_word=futex_word@entry=0x7f0ae4001ba8, expected=<optimized out>, clockid=clockid@entry=0, abstime=abstime@entry=0x0, private=private@entry=0, cancel=cancel@entry=true) at ./nptl/futex-internal.c:87
#4 0x00007f0b405c0cfb in __GI___futex_abstimed_wait_cancelable64 (futex_word=futex_word@entry=0x7f0ae4001ba8, expected=<optimized out>, clockid=clockid@entry=0, abstime=abstime@entry=0x0, private=private@entry=0) at ./nptl/futex-internal.c:139
#5 0x00007f0b405c3158 in __pthread_cond_wait_common (cond=0x7f0ae4001b88, mutex=0x7f0ae4001b58, clockid=0, abstime=0x0) at ./nptl/pthread_cond_wait.c:426
#6 ___pthread_cond_wait (cond=0x7f0ae4001b88, mutex=0x7f0ae4001b58) at ./nptl/pthread_cond_wait.c:458
#7 0x00005588f5c318f2 in dart::ConditionVariable::WaitMicros (this=0x7f0ae4001ba8, mutex=0x189, timeout_micros=48) at out/ReleaseX64/../../runtime/platform/synchronization_posix.cc:144
#8 0x00005588f5f4364f in dart::Monitor::Wait (this=0x189, this@entry=0x7f0ae40012a0, timeout_millis=0) at ../../runtime/platform/synchronization.h:114
#9 dart::MonitorLocker::Wait (this=0x7f0b24b79de8, millis=0) at ../../runtime/vm/lockers.h:189
#10 dart::SafepointHandler::ExitSafepointLocked (this=this@entry=0x558918331420, T=T@entry=0x7f0ae40012a0, tl=tl@entry=0x7f0b24b79de8, level=level@entry=dart::kGCAndDeopt) at out/ReleaseX64/../../runtime/vm/heap/safepoint.cc:367
#11 0x00005588f5f43a58 in dart::SafepointHandler::BlockForSafepoint (this=0x558918331420, T=0x7f0ae40012a0) at out/ReleaseX64/../../runtime/vm/heap/safepoint.cc:333
#12 0x00005588f5e44795 in dart::NativeEntry::BootstrapNativeCallWrapper (args=0x7f0b24b7a360, func=0x5588f5dacc20 <dart::BootstrapNatives::DN_SendPort_sendInternal_(dart::Thread*, dart::Zone*, dart::NativeArguments*)>) at out/ReleaseX64/../../runtime/vm/native_entry.cc:145
#13 0x00007f0b40203114 in ?? ()
#14 0x00007f0ae40012a0 in ?? ()
#15 0x0000000000000002 in ?? ()
#16 0x00007f0b24b7a3b8 in ?? ()
#17 0x00007f0b24b7a3a8 in ?? ()
#18 0x00007f0b3b126f19 in ?? ()
#19 0x00007f0b25f92441 in ?? ()
#20 0x00007f0b4028e791 in ?? ()
#21 0x00007f0b24b7a3e0 in ?? ()
#22 0x00007f0b3b1205e8 in ?? ()
#23 0x00007f0b40288081 in ?? ()
#24 0x000000000000001c in ?? ()
#25 0x00007f0b24f811c9 in ?? ()
#26 0x00007f0b40288081 in ?? ()
#27 0x00007f0b40288081 in ?? ()
#28 0x00007f0b25f920f1 in ?? ()
#29 0x00007f0b25f92471 in ?? ()
#30 0x00007f0b24b7a420 in ?? ()
#31 0x00007f0b3b120523 in ?? ()
#32 0x000000000000001c in ?? ()
#33 0x00007f0b24f811c9 in ?? ()
#34 0x00007f0b40288081 in ?? ()
#35 0x00007f0b40288081 in ?? ()
#36 0x00007f0b25eb2091 in ?? ()
#37 0x00007f0b25f92141 in ?? ()
#38 0x00007f0b24b7a468 in ?? ()
#39 0x00007f0b3b13319a in ?? ()
#40 0x000000000000001c in ?? ()
#41 0x00007f0b24f811c9 in ?? ()
#42 0x00007f0b24f811c9 in ?? ()
#43 0x000000000000001c in ?? ()
#44 0x00007f0b40288081 in ?? ()
#45 0x00007f0b25eb0551 in ?? ()
#46 0x00007f0b25eb21b1 in ?? ()
#47 0x00007f0b24b7a498 in ?? ()
#48 0x00007f0b3b132929 in ?? ()
#49 0x00007f0b25005169 in ?? ()
#50 0x00007f0b40288081 in ?? ()
#51 0x00007f0b25f95aa1 in ?? ()
#52 0x00007f0b25eb0591 in ?? ()
#53 0x00007f0b24b7a500 in ?? ()
#54 0x00007f0b3b12196a in ?? ()
#55 0x00007f0b25005169 in ?? ()
#56 0x00007f0b25ffa8c1 in ?? ()
#57 0x00007f0b40288081 in ?? ()
#58 0x00007f0b40288081 in ?? ()
#59 0x00007f0b40288081 in ?? ()
#60 0x00007f0b40288081 in ?? ()
#61 0x00007f0b40288081 in ?? ()
#62 0x00007f0b40288081 in ?? ()
#63 0x00007f0b40288081 in ?? ()
#64 0x00007f0b25f96431 in ?? ()
#65 0x00007f0b25f95b11 in ?? ()
#66 0x00007f0b24b7a548 in ?? ()
#67 0x00007f0b3b121d26 in ?? ()
#68 0x00007f0b25005169 in ?? ()
#69 0x00007f0b25ffa8c1 in ?? ()
#70 0x00007f0b25ffa8c1 in ?? ()
#71 0x00007f0b40288081 in ?? ()
#72 0x00007f0adff01a69 in ?? ()
#73 0x00007f0b25f95aa1 in ?? ()
#74 0x00007f0b25f96531 in ?? ()
#75 0x00007f0b24b7a5b0 in ?? ()
#76 0x00007f0b3b12196a in ?? ()
#77 0x00007f0b40288081 in ?? ()
#78 0x00007f0adff01ce9 in ?? ()
#79 0x00007f0b40288081 in ?? ()
#80 0x00007f0b40288081 in ?? ()
#81 0x00007f0b40288081 in ?? ()
#82 0x00007f0b40288081 in ?? ()
#83 0x00007f0b40288081 in ?? ()
#84 0x00007f0b40288081 in ?? ()
#85 0x00007f0b40288081 in ?? ()
#86 0x00007f0b25f92a21 in ?? ()
#87 0x00007f0b25f95b11 in ?? ()
#88 0x00007f0b24b7a608 in ?? ()
#89 0x00007f0b3b1207b2 in ?? ()
#90 0x00007f0b40288081 in ?? ()
#91 0x00007f0adff01ce9 in ?? ()
#92 0x00007f0adff01ce9 in ?? ()
#93 0x00007f0adff01bd9 in ?? ()
#94 0x00007f0adff01ce9 in ?? ()
#95 0x00007f0adff01ce9 in ?? ()
#96 0x00007f0b40288081 in ?? ()
#97 0x0000000000000000 in ?? ()
Thread 5 (Thread 0x7f0b2497f6c0 (LWP 946238) "DartWorker"):
#0 __syscall_cancel_arch () at ../sysdeps/unix/sysv/linux/x86_64/syscall_cancel.S:56
#1 0x00007f0b405c0668 in __internal_syscall_cancel (a1=<optimized out>, a2=<optimized out>, a3=<optimized out>, a4=<optimized out>, a5=a5@entry=0, a6=a6@entry=4294967295, nr=202) at ./nptl/cancellation.c:49
#2 0x00007f0b405c0c9c in __futex_abstimed_wait_common64 (private=0, futex_word=0x7f0b0c001ebc, expected=<optimized out>, op=<optimized out>, abstime=0x0, cancel=true) at ./nptl/futex-internal.c:57
#3 __futex_abstimed_wait_common (futex_word=futex_word@entry=0x7f0b0c001ebc, expected=<optimized out>, clockid=clockid@entry=0, abstime=abstime@entry=0x0, private=private@entry=0, cancel=cancel@entry=true) at ./nptl/futex-internal.c:87
#4 0x00007f0b405c0cfb in __GI___futex_abstimed_wait_cancelable64 (futex_word=futex_word@entry=0x7f0b0c001ebc, expected=<optimized out>, clockid=clockid@entry=0, abstime=abstime@entry=0x0, private=private@entry=0) at ./nptl/futex-internal.c:139
#5 0x00007f0b405c3158 in __pthread_cond_wait_common (cond=0x7f0b0c001e98, mutex=0x7f0b0c001e68, clockid=0, abstime=0x0) at ./nptl/pthread_cond_wait.c:426
#6 ___pthread_cond_wait (cond=0x7f0b0c001e98, mutex=0x7f0b0c001e68) at ./nptl/pthread_cond_wait.c:458
#7 0x00005588f5c318f2 in dart::ConditionVariable::WaitMicros (this=0x7f0b0c001ebc, mutex=0x189, timeout_micros=43) at out/ReleaseX64/../../runtime/platform/synchronization_posix.cc:144
#8 0x00005588f5f4364f in dart::Monitor::Wait (this=0x189, this@entry=0x7f0b0c0015b0, timeout_millis=0) at ../../runtime/platform/synchronization.h:114
#9 dart::MonitorLocker::Wait (this=0x7f0b2497dbf8, millis=0) at ../../runtime/vm/lockers.h:189
#10 dart::SafepointHandler::ExitSafepointLocked (this=this@entry=0x558918331420, T=T@entry=0x7f0b0c0015b0, tl=tl@entry=0x7f0b2497dbf8, level=level@entry=dart::kGCAndDeopt) at out/ReleaseX64/../../runtime/vm/heap/safepoint.cc:367
#11 0x00005588f5f43a58 in dart::SafepointHandler::BlockForSafepoint (this=0x558918331420, T=0x7f0b0c0015b0) at out/ReleaseX64/../../runtime/vm/heap/safepoint.cc:333
#12 0x00005588f5ee1e90 in DRT_InterruptOrStackOverflow (arguments=...) at out/ReleaseX64/../../runtime/vm/runtime_entry.cc:3946
#13 0x00007f0b40202fc3 in ?? ()
#14 0x00007f0b0c0015b0 in ?? ()
#15 0x0000000000000000 in ?? ()
Thread 4 (Thread 0x7f0b2467f6c0 (LWP 946239) "DartWorker"):
#0 __syscall_cancel_arch () at ../sysdeps/unix/sysv/linux/x86_64/syscall_cancel.S:56
#1 0x00007f0b405c0668 in __internal_syscall_cancel (a1=<optimized out>, a2=<optimized out>, a3=<optimized out>, a4=<optimized out>, a5=a5@entry=0, a6=a6@entry=4294967295, nr=202) at ./nptl/cancellation.c:49
#2 0x00007f0b405c0c9c in __futex_abstimed_wait_common64 (private=0, futex_word=0x7f0af4001ba8, expected=<optimized out>, op=<optimized out>, abstime=0x0, cancel=true) at ./nptl/futex-internal.c:57
#3 __futex_abstimed_wait_common (futex_word=futex_word@entry=0x7f0af4001ba8, expected=<optimized out>, clockid=clockid@entry=0, abstime=abstime@entry=0x0, private=private@entry=0, cancel=cancel@entry=true) at ./nptl/futex-internal.c:87
#4 0x00007f0b405c0cfb in __GI___futex_abstimed_wait_cancelable64 (futex_word=futex_word@entry=0x7f0af4001ba8, expected=<optimized out>, clockid=clockid@entry=0, abstime=abstime@entry=0x0, private=private@entry=0) at ./nptl/futex-internal.c:139
#5 0x00007f0b405c3158 in __pthread_cond_wait_common (cond=0x7f0af4001b88, mutex=0x7f0af4001b58, clockid=0, abstime=0x0) at ./nptl/pthread_cond_wait.c:426
#6 ___pthread_cond_wait (cond=0x7f0af4001b88, mutex=0x7f0af4001b58) at ./nptl/pthread_cond_wait.c:458
#7 0x00005588f5c318f2 in dart::ConditionVariable::WaitMicros (this=0x7f0af4001ba8, mutex=0x189, timeout_micros=46) at out/ReleaseX64/../../runtime/platform/synchronization_posix.cc:144
#8 0x00005588f5f4364f in dart::Monitor::Wait (this=0x189, this@entry=0x7f0af40012a0, timeout_millis=0) at ../../runtime/platform/synchronization.h:114
#9 dart::MonitorLocker::Wait (this=0x7f0b2467dcc8, millis=0) at ../../runtime/vm/lockers.h:189
#10 dart::SafepointHandler::ExitSafepointLocked (this=this@entry=0x558918331420, T=T@entry=0x7f0af40012a0, tl=tl@entry=0x7f0b2467dcc8, level=level@entry=dart::kGCAndDeopt) at out/ReleaseX64/../../runtime/vm/heap/safepoint.cc:367
#11 0x00005588f5f43a58 in dart::SafepointHandler::BlockForSafepoint (this=0x558918331420, T=0x7f0af40012a0) at out/ReleaseX64/../../runtime/vm/heap/safepoint.cc:333
#12 0x00005588f5ee1e90 in DRT_InterruptOrStackOverflow (arguments=...) at out/ReleaseX64/../../runtime/vm/runtime_entry.cc:3946
#13 0x00007f0b40202fc3 in ?? ()
#14 0x00007f0af40012a0 in ?? ()
#15 0x0000000000000000 in ?? ()
Thread 3 (Thread 0x7f0b2447f6c0 (LWP 946240) "DartWorker"):
#0 __syscall_cancel_arch () at ../sysdeps/unix/sysv/linux/x86_64/syscall_cancel.S:56
#1 0x00007f0b405c0668 in __internal_syscall_cancel (a1=<optimized out>, a2=<optimized out>, a3=a3@entry=111, a4=<optimized out>, a5=a5@entry=0, a6=a6@entry=4294967295, nr=202) at ./nptl/cancellation.c:49
#2 0x00007f0b405c0c9c in __futex_abstimed_wait_common64 (private=0, futex_word=0x558918333784, expected=111, op=<optimized out>, abstime=0x7f0b2447c7f0, cancel=true) at ./nptl/futex-internal.c:57
#3 __futex_abstimed_wait_common (futex_word=futex_word@entry=0x558918333784, expected=expected@entry=111, clockid=clockid@entry=1, abstime=abstime@entry=0x7f0b2447c7f0, private=private@entry=0, cancel=cancel@entry=true) at ./nptl/futex-internal.c:87
#4 0x00007f0b405c0cfb in __GI___futex_abstimed_wait_cancelable64 (futex_word=futex_word@entry=0x558918333784, expected=expected@entry=111, clockid=clockid@entry=1, abstime=abstime@entry=0x7f0b2447c7f0, private=private@entry=0) at ./nptl/futex-internal.c:139
#5 0x00007f0b405c331d in __pthread_cond_wait_common (cond=0x558918333760, mutex=0x558918333730, clockid=1, abstime=0x7f0b2447c7f0) at ./nptl/pthread_cond_wait.c:426
#6 ___pthread_cond_timedwait64 (cond=0x558918333760, mutex=0x558918333730, abstime=0x7f0b2447c7f0) at ./nptl/pthread_cond_wait.c:483
#7 0x00005588f5c318e3 in dart::TimedWait (cv=0x558918333760, mutex=0x558918333730, timeout_micros=1000000) at out/ReleaseX64/../../runtime/platform/synchronization_posix.cc:133
#8 dart::ConditionVariable::WaitMicros (this=0x558918333760, mutex=0x558918333730, timeout_micros=1000000) at out/ReleaseX64/../../runtime/platform/synchronization_posix.cc:147
#9 0x00005588f5f434b3 in dart::Monitor::Wait (timeout_millis=1000, this=<optimized out>) at ../../runtime/platform/synchronization.h:114
#10 dart::MonitorLocker::Wait (millis=1000, this=<optimized out>) at ../../runtime/vm/lockers.h:189
#11 dart::SafepointHandler::LevelHandler::WaitUntilThreadsReachedSafepointLevel (this=0x558918333720) at out/ReleaseX64/../../runtime/vm/heap/safepoint.cc:228
#12 0x00005588f5f42b2c in dart::SafepointHandler::SafepointThreads (this=0x558918331420, T=0x7f0aec0012a0, level=dart::kGCAndDeopt) at out/ReleaseX64/../../runtime/vm/heap/safepoint.cc:133
#13 0x00005588f5e150cf in dart::DeoptSafepointOperationScope::DeoptSafepointOperationScope (this=0x7f0b2447cd38, T=0x7f0aec0012a0) at ../../runtime/vm/heap/safepoint.h:48
#14 dart::IsolateGroup::RunWithStoppedMutatorsCallable (this=<optimized out>, callable=0x7f0b2447d3b8) at out/ReleaseX64/../../runtime/vm/isolate.cc:2962
#15 0x00005588f5f27470 in dart::IsolateGroup::RunWithStoppedMutators<dart::CompileParsedFunctionHelper::Compile()::$_0>(dart::CompileParsedFunctionHelper::Compile()::$_0) (function=..., this=<optimized out>) at ../../runtime/vm/isolate.h:668
#16 dart::CompileParsedFunctionHelper::Compile (this=this@entry=0x7f0b2447da28) at out/ReleaseX64/../../runtime/vm/compiler/jit/compiler.cc:600
#17 0x00005588f5f27aad in dart::CompileFunctionHelper (function=..., optimized=<optimized out>, osr_id=osr_id@entry=-1) at out/ReleaseX64/../../runtime/vm/compiler/jit/compiler.cc:679
#18 0x00005588f5f276e0 in dart::Compiler::CompileFunction (thread=<optimized out>, function=...) at out/ReleaseX64/../../runtime/vm/compiler/jit/compiler.cc:808
#19 0x00005588f5e71de1 in dart::Function::EnsureHasCodeNoThrow (this=0x7f0b2447dca0) at out/ReleaseX64/../../runtime/vm/object.cc:11982
#20 0x00005588f5e71d34 in dart::Function::EnsureHasCode (this=0x558918333784) at out/ReleaseX64/../../runtime/vm/object.cc:11957
#21 0x00005588f5ee28d6 in dart::DRT_HelperCompileFunction (thread=<optimized out>, zone=0x7f0b2447dc58, arguments=..., isolate=<optimized out>) at out/ReleaseX64/../../runtime/vm/runtime_entry.cc:4050
#22 DRT_CompileFunction (arguments=...) at out/ReleaseX64/../../runtime/vm/runtime_entry.cc:4034
#23 0x00007f0b40202fc3 in ?? ()
#24 0x00007f0aec0012a0 in ?? ()
#25 0x0000000000000001 in ?? ()
#26 0x00007f0b2447e1e8 in ?? ()
#27 0x00007f0b2447e1f0 in ?? ()
#28 0x00007f0b2447e200 in ?? ()
#29 0x00007f0b402938b1 in ?? ()
#30 0x00007f0b4028e4d1 in ?? ()
#31 0x00007f0b2447e208 in ?? ()
#32 0x00007f0b40203024 in ?? ()
#33 0x00007f0b3b894181 in ?? ()
#34 0x00007f0b4028b911 in ?? ()
#35 0x00007f0b3ad96e61 in ?? ()
#36 0x00007f0b4028e581 in ?? ()
#37 0x00007f0b2447e248 in ?? ()
#38 0x00007f0b3b10bfdc in ?? ()
#39 0x00007f0b24f811c9 in ?? ()
#40 0x00007f0b40288081 in ?? ()
#41 0x00007f0b40288081 in ?? ()
#42 0x00007f0b40288081 in ?? ()
#43 0x00007f0b25faa401 in ?? ()
#44 0x00007f0b3ad96ee1 in ?? ()
#45 0x00007f0b2447e2b8 in ?? ()
#46 0x00007f0b3b1248a4 in ?? ()
#47 0x00007f0b24f811c9 in ?? ()
#48 0x00007f0b25884749 in ?? ()
#49 0x00007f0b25884849 in ?? ()
#50 0x00007f0b40288081 in ?? ()
#51 0x00007f0b40288081 in ?? ()
#52 0x00007f0b40288081 in ?? ()
#53 0x00007f0b4028b991 in ?? ()
#54 0x00007f0b25fa8111 in ?? ()
#55 0x00007f0b25003ee9 in ?? ()
#56 0x00007f0b25884749 in ?? ()
#57 0x00007f0b25fa8781 in ?? ()
#58 0x00007f0b25faa531 in ?? ()
#59 0x00007f0b2447e340 in ?? ()
#60 0x00007f0b3b123f13 in ?? ()
#61 0x00007f0b25fa8111 in ?? ()
#62 0x00007f0b25003ee9 in ?? ()
#63 0x00007f0b25884749 in ?? ()
#64 0x00007f0b25884749 in ?? ()
#65 0x00007f0b40288081 in ?? ()
#66 0x00007f0b40288081 in ?? ()
#67 0x00007f0b40288081 in ?? ()
#68 0x00007f0b40288081 in ?? ()
#69 0x00007f0b40288081 in ?? ()
#70 0x00007f0b4028b991 in ?? ()
#71 0x00007f0b40299271 in ?? ()
#72 0x00007f0b4029cf71 in ?? ()
#73 0x00007f0b25003ee9 in ?? ()
#74 0x00007f0b25fa7d61 in ?? ()
#75 0x00007f0b25fa88e1 in ?? ()
#76 0x00007f0b2447e380 in ?? ()
#77 0x00007f0b3b123b79 in ?? ()
#78 0x00007f0b40299271 in ?? ()
#79 0x00007f0b4029cf71 in ?? ()
#80 0x00007f0b25003ee9 in ?? ()
#81 0x00007f0b40288081 in ?? ()
#82 0x00007f0b25fa7991 in ?? ()
#83 0x00007f0b25fa7dc1 in ?? ()
#84 0x00007f0b2447e3b8 in ?? ()
#85 0x00007f0b3b123abb in ?? ()
#86 0x00007f0b25003ee9 in ?? ()
#87 0x00007f0b40288081 in ?? ()
#88 0x00007f0b40288081 in ?? ()
#89 0x00007f0b25fb11c1 in ?? ()
#90 0x00007f0b25fa79e1 in ?? ()
#91 0x00007f0b2447e428 in ?? ()
#92 0x00007f0b3b126060 in ?? ()
#93 0x00007f0b25003ee9 in ?? ()
#94 0x00007f0b40288081 in ?? ()
#95 0x00007f0b40288081 in ?? ()
#96 0x00007f0b25eb1011 in ?? ()
#97 0x00007f0b25003ee9 in ?? ()
#98 0x0000000000000002 in ?? ()
#99 0x0000000000000028 in ?? ()
#100 0x0000000000000008 in ?? ()
#101 0x00007f0b40288081 in ?? ()
#102 0x00007f0b40288081 in ?? ()
#103 0x00007f0b25eb2091 in ?? ()
#104 0x00007f0b25fb13f1 in ?? ()
#105 0x00007f0b2447e468 in ?? ()
#106 0x00007f0b3b13314a in ?? ()
#107 0x00007f0b25884639 in ?? ()
#108 0x00007f0b24f811c9 in ?? ()
#109 0x0000000000000018 in ?? ()
#110 0x00007f0b40288081 in ?? ()
#111 0x00007f0b25eb0551 in ?? ()
#112 0x00007f0b25eb21b1 in ?? ()
#113 0x00007f0b2447e498 in ?? ()
#114 0x00007f0b3b132929 in ?? ()
#115 0x00007f0b25003ee9 in ?? ()
#116 0x00007f0b40288081 in ?? ()
#117 0x00007f0b25f95aa1 in ?? ()
#118 0x00007f0b25eb0591 in ?? ()
#119 0x00007f0b2447e500 in ?? ()
#120 0x00007f0b3b12196a in ?? ()
#121 0x00007f0b25003ee9 in ?? ()
#122 0x00007f0b25ffa8c1 in ?? ()
#123 0x00007f0b40288081 in ?? ()
#124 0x00007f0b40288081 in ?? ()
#125 0x00007f0b40288081 in ?? ()
#126 0x00007f0b40288081 in ?? ()
#127 0x00007f0b40288081 in ?? ()
#128 0x00007f0b40288081 in ?? ()
#129 0x00007f0b40288081 in ?? ()
#130 0x00007f0b25f96431 in ?? ()
#131 0x00007f0b25f95b11 in ?? ()
#132 0x00007f0b2447e548 in ?? ()
#133 0x00007f0b3b121d26 in ?? ()
#134 0x00007f0b25003ee9 in ?? ()
#135 0x00007f0b25ffa8c1 in ?? ()
#136 0x00007f0b25ffa8c1 in ?? ()
#137 0x00007f0b40288081 in ?? ()
#138 0x00007f0b24001a69 in ?? ()
#139 0x00007f0b25f95aa1 in ?? ()
#140 0x00007f0b25f96531 in ?? ()
#141 0x00007f0b2447e5b0 in ?? ()
#142 0x00007f0b3b12196a in ?? ()
#143 0x00007f0b40288081 in ?? ()
#144 0x00007f0b24001ce9 in ?? ()
#145 0x00007f0b40288081 in ?? ()
#146 0x00007f0b40288081 in ?? ()
#147 0x00007f0b40288081 in ?? ()
#148 0x00007f0b40288081 in ?? ()
#149 0x00007f0b40288081 in ?? ()
#150 0x00007f0b40288081 in ?? ()
#151 0x00007f0b40288081 in ?? ()
#152 0x00007f0b25f92a21 in ?? ()
#153 0x00007f0b25f95b11 in ?? ()
#154 0x00007f0b2447e608 in ?? ()
#155 0x00007f0b3b1207b2 in ?? ()
#156 0x00007f0b40288081 in ?? ()
#157 0x00007f0b24001ce9 in ?? ()
#158 0x00007f0b24001ce9 in ?? ()
#159 0x00007f0b24001bd9 in ?? ()
#160 0x00007f0b24001ce9 in ?? ()
#161 0x00007f0b24001ce9 in ?? ()
#162 0x00007f0b40288081 in ?? ()
#163 0x0000000000000000 in ?? ()
Thread 2 (Thread 0x7f0b241ff6c0 (LWP 946241) "DartWorker"):
#0 __syscall_cancel_arch () at ../sysdeps/unix/sysv/linux/x86_64/syscall_cancel.S:56
#1 0x00007f0b405c0668 in __internal_syscall_cancel (a1=<optimized out>, a2=<optimized out>, a3=<optimized out>, a4=<optimized out>, a5=a5@entry=0, a6=a6@entry=4294967295, nr=202) at ./nptl/cancellation.c:49
#2 0x00007f0b405c0c9c in __futex_abstimed_wait_common64 (private=0, futex_word=0x5589183344d8, expected=<optimized out>, op=<optimized out>, abstime=0x0, cancel=true) at ./nptl/futex-internal.c:57
#3 __futex_abstimed_wait_common (futex_word=futex_word@entry=0x5589183344d8, expected=<optimized out>, clockid=clockid@entry=0, abstime=abstime@entry=0x0, private=private@entry=0, cancel=cancel@entry=true) at ./nptl/futex-internal.c:87
#4 0x00007f0b405c0cfb in __GI___futex_abstimed_wait_cancelable64 (futex_word=futex_word@entry=0x5589183344d8, expected=<optimized out>, clockid=clockid@entry=0, abstime=abstime@entry=0x0, private=private@entry=0) at ./nptl/futex-internal.c:139
#5 0x00007f0b405c3158 in __pthread_cond_wait_common (cond=0x5589183344b8, mutex=0x558918334488, clockid=0, abstime=0x0) at ./nptl/pthread_cond_wait.c:426
#6 ___pthread_cond_wait (cond=0x5589183344b8, mutex=0x558918334488) at ./nptl/pthread_cond_wait.c:458
#7 0x00005588f5c318f2 in dart::ConditionVariable::WaitMicros (this=0x5589183344d8, mutex=0x189, timeout_micros=252) at out/ReleaseX64/../../runtime/platform/synchronization_posix.cc:144
#8 0x00005588f5e338cd in dart::Monitor::Wait (this=0x558918334488, timeout_millis=0) at ../../runtime/platform/synchronization.h:114
#9 dart::MonitorLocker::Wait (millis=0, this=<optimized out>) at ../../runtime/vm/lockers.h:189
#10 dart::SafepointRwLock::TryEnterRead (this=0x558918334480, can_block=true, acquired_read_lock=<optimized out>) at out/ReleaseX64/../../runtime/vm/lockers.cc:141
#11 dart::SafepointRwLock::EnterRead (this=0x558918334480) at out/ReleaseX64/../../runtime/vm/lockers.cc:126
#12 0x00005588f5e580d0 in dart::SafepointReadRwLocker::SafepointReadRwLocker (this=0x7f0b241feb38, thread_state=0x7f0af80012a0, rw_lock=0x558918334480) at ../../runtime/vm/lockers.h:446
#13 dart::Library::LookupLibrary (thread=0x7f0af80012a0, url=...) at out/ReleaseX64/../../runtime/vm/object.cc:15448
#14 0x00005588f6106f44 in Dart_LookupLibrary (url=0x7f0af80021b8) at ../../runtime/vm/dart_api_impl.cc:5942
#15 0x00005588f60d7e15 in dart::bin::DartUtils::SetupCoreLibraries (is_service_isolate=false, trace_loading=false, flag_profile_microtasks=false, dart_io_settings=...) at out/ReleaseX64/../../runtime/bin/dartutils.cc:582
#16 0x00005588f5c2ecc7 in dart::bin::SetupCoreLibraries (isolate=<optimized out>, isolate_data=isolate_data@entry=0x7f0ad4003c40, is_isolate_group_start=false, is_kernel_isolate=<optimized out>, resolved_packages_config=resolved_packages_config@entry=0x0) at out/ReleaseX64/../../runtime/bin/main_impl.cc:170
#17 0x00005588f5c2e126 in dart::bin::OnIsolateInitialize (child_callback_data=child_callback_data@entry=0x7f0b241fed58, error=error@entry=0x7f0b241fed60) at out/ReleaseX64/../../runtime/bin/main_impl.cc:223
#18 0x00005588f5db03f4 in dart::SpawnIsolateTask::RunLightweight (this=0x7f0b18006150, name=<optimized out>) at out/ReleaseX64/../../runtime/lib/isolate.cc:860
#19 0x00005588f5f16477 in dart::ThreadPool::WorkerLoop (this=this@entry=0x558918336320, worker=worker@entry=0x7f0b18006180) at out/ReleaseX64/../../runtime/vm/thread_pool.cc:207
#20 0x00005588f5f166d2 in dart::ThreadPool::Worker::Main (args=args@entry=139685624045952) at out/ReleaseX64/../../runtime/vm/thread_pool.cc:367
#21 0x00005588f5ec2ff9 in dart::ThreadStart (data_ptr=<optimized out>) at out/ReleaseX64/../../runtime/vm/os_thread_linux.cc:97
#22 0x00007f0b405c3b7b in start_thread (arg=<optimized out>) at ./nptl/pthread_create.c:448
#23 0x00007f0b406417b8 in __GI___clone3 () at ../sysdeps/unix/sysv/linux/x86_64/clone3.S:78
Thread 1 (Thread 0x7f0b405300c0 (LWP 946217) "dart:debugname."):
#0 __syscall_cancel_arch () at ../sysdeps/unix/sysv/linux/x86_64/syscall_cancel.S:56
#1 0x00007f0b405c0668 in __internal_syscall_cancel (a1=<optimized out>, a2=<optimized out>, a3=<optimized out>, a4=<optimized out>, a5=a5@entry=0, a6=a6@entry=4294967295, nr=202) at ./nptl/cancellation.c:49
#2 0x00007f0b405c0c9c in __futex_abstimed_wait_common64 (private=0, futex_word=0x7ffc97ef6980, expected=<optimized out>, op=<optimized out>, abstime=0x0, cancel=true) at ./nptl/futex-internal.c:57
#3 __futex_abstimed_wait_common (futex_word=futex_word@entry=0x7ffc97ef6980, expected=<optimized out>, clockid=clockid@entry=0, abstime=abstime@entry=0x0, private=private@entry=0, cancel=cancel@entry=true) at ./nptl/futex-internal.c:87
#4 0x00007f0b405c0cfb in __GI___futex_abstimed_wait_cancelable64 (futex_word=futex_word@entry=0x7ffc97ef6980, expected=<optimized out>, clockid=clockid@entry=0, abstime=abstime@entry=0x0, private=private@entry=0) at ./nptl/futex-internal.c:139
#5 0x00007f0b405c3158 in __pthread_cond_wait_common (cond=0x7ffc97ef6960, mutex=0x7ffc97ef6930, clockid=0, abstime=0x0) at ./nptl/pthread_cond_wait.c:426
#6 ___pthread_cond_wait (cond=0x7ffc97ef6960, mutex=0x7ffc97ef6930) at ./nptl/pthread_cond_wait.c:458
#7 0x00005588f5c318f2 in dart::ConditionVariable::WaitMicros (this=0x7ffc97ef6980, mutex=0x189, timeout_micros=0) at out/ReleaseX64/../../runtime/platform/synchronization_posix.cc:144
#8 0x00005588f60ec08d in dart::Monitor::Wait (this=0x7ffc97ef6930, timeout_millis=0) at ../../runtime/platform/synchronization.h:114
#9 dart::MonitorLocker::Wait (millis=0, this=<optimized out>) at ../../runtime/vm/lockers.h:189
#10 Dart_RunLoop () at ../../runtime/vm/dart_api_impl.cc:2039
#11 0x00005588f5c2cc28 in dart::bin::RunMainIsolate (script_name=<optimized out>, asset_resolution_base=<optimized out>, package_config_override=package_config_override@entry=0x0, dart_options=dart_options@entry=0x7ffc97ef6b08) at out/ReleaseX64/../../runtime/bin/main_impl.cc:1084
#12 0x00005588f5c2d8ad in dart::bin::main (argc=4, argv=0x7ffc97ef6cb8) at out/ReleaseX64/../../runtime/bin/main_impl.cc:1424
#13 0x00005588f5c2c98d in main (argc=-1745917568, argv=0x189) at out/ReleaseX64/../../runtime/bin/main.cc:9
