0, ntoskrnl.exe!_misaligned_access+0x17e7 1, ntoskrnl.exe!KeAcquireSpinLockAtDpcLevel+0x93d 2, ntoskrnl.exe!KeWaitForSingleObject+0x19f 3, ntoskrnl.exe!_misaligned_access+0xba4 4, ntoskrnl.exe!_misaligned_access+0x1821 5, ntoskrnl.exe!KeAcquireSpinLockAtDpcLevel+0x93d 6, ntoskrnl.exe!KeWaitForMultipleObjects+0x26a 7, ntoskrnl.exe!NtWaitForSingleObject+0x40f 8, ntoskrnl.exe!IoReportTargetDeviceChange+0xe6d 9, ntoskrnl.exe!KeSynchronizeExecution+0x3a23 10, wow64cpu.dll!TurboDispatchJumpAddressEnd+0x6c0 11, wow64cpu.dll!TurboDispatchJumpAddressEnd+0xf5 12, wow64.dll!Wow64SystemServiceEx+0x1ce 13, wow64.dll!Wow64LdrpInitialize+0x429 14, ntdll.dll!RtlUniform+0x6e6 15, ntdll.dll!RtlCreateTagHeap+0xa7 16, ntdll.dll!LdrInitializeThunk+0xe 17, ntdll.dll!ZwWaitForMultipleObjects+0x15 18, kernel32.dll!WaitForMultipleObjectsEx+0x8e 19, kernel32.dll!WaitForMultipleObjects+0x18 20, libwinpthread-1.dll!pthread_cond_init+0x1f8 21, libwinpthread-1.dll!pthread_tls_init+0x503 22, libwinpthread-1.dll!pthread_cond_init+0x510 23, libwinpthread-1.dll!pthread_cond_wait+0x138 24, libgcc_s_sjlj-1.dll!_emutls_get_address+0x52 25, libguile-2.0-22.dll!scm_spawn_thread+0xc6 26, libguile-2.0-22.dll!scm_init_rw+0x8c 27, libwinpthread-1.dll!pthread_once+0xae 28, libguile-2.0-22.dll!scm_sigaction_for_thread+0x7f 29, libguile-2.0-22.dll!scm_primitive_eval+0x34 30, libguile-2.0-22.dll!scm_call_4+0x48 31, libguile-2.0-22.dll!scm_catch_with_pre_unwind_handler+0x4e 32, libguile-2.0-22.dll!scm_i_with_continuation_barrier+0x6f 33, libguile-2.0-22.dll!scm_current_error_port+0x20 34, guile.exe+0x86d90 0, ntoskrnl.exe!_misaligned_access+0x17e7 1, ntoskrnl.exe!KeAcquireSpinLockAtDpcLevel+0x93d 2, ntoskrnl.exe!KeWaitForSingleObject+0x19f 3, ntoskrnl.exe!_misaligned_access+0xba4 4, ntoskrnl.exe!_misaligned_access+0x1821 5, ntoskrnl.exe!KeAcquireSpinLockAtDpcLevel+0x93d 6, ntoskrnl.exe!KeWaitForSingleObject+0x19f 7, ntoskrnl.exe!NtWaitForSingleObject+0xde 8, ntoskrnl.exe!KeSynchronizeExecution+0x3a23 9, wow64cpu.dll!TurboDispatchJumpAddressEnd+0x6c0 10, wow64cpu.dll!TurboDispatchJumpAddressEnd+0x4a8 11, wow64.dll!Wow64SystemServiceEx+0x1ce 12, wow64.dll!Wow64LdrpInitialize+0x429 13, ntdll.dll!RtlIsDosDeviceName_U+0x24c87 14, ntdll.dll!LdrInitializeThunk+0xe 15, ntdll.dll!ZwWaitForSingleObject+0x15 16, kernel32.dll!WaitForSingleObjectEx+0x43 17, kernel32.dll!WaitForSingleObject+0x12 18, libwinpthread-1.dll!pthread_cond_init+0x26f 19, kernel32.dll!WaitForSingleObject+0x12 20, libwinpthread-1.dll!pthread_rel_time_in_ms+0x24a 21, libwinpthread-1.dll!pthread_mutex_init+0x29b 22, libwinpthread-1.dll!pthread_rel_time_in_ms+0x24a 23, libgc-1.dll!GC_call_with_gc_active+0x216 24, libwinpthread-1.dll!pthread_mutex_trylock+0x1f 25, libgc-1.dll!GC_pthread_detach+0x28 26, libwinpthread-1.dll!pthread_self+0x8 27, libguile-2.0-22.dll!scm_all_threads+0x126 28, libwinpthread-1.dll!pthread_getclean+0x8 29, libgc-1.dll!GC_use_threads_discovery+0x26e 30, libgc-1.dll!GC_call_with_stack_base+0x1c 31, msvcrt.dll!itow_s+0x4c 32, msvcrt.dll!endthreadex+0x6c 33, kernel32.dll!BaseThreadInitThunk+0x12 34, ntdll.dll!RtlInitializeExceptionChain+0x63 35, ntdll.dll!RtlInitializeExceptionChain+0x36 if i insert (display "Hello\n") into top-repl, it prints there (at least at the beginning of the function). Nothing is printed in start-repl [12:47]