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  • #2281

Closed
Open
Opened Sep 27, 2018 by Eric Karnes@eric

Opening any file causes a crash in cairo_surface_create_similar on OSX 10.14

GNU Image Manipulation Program version 2.10.6
git-describe: GIMP_2_10_4-278-g0a8173ffde
C compiler:
	Configured with: --prefix=/Library/Developer/CommandLineTools/usr --with-gxx-include-dir=/usr/include/c++/4.2.1
	Apple LLVM version 8.0.0 (clang-800.0.42.1)
	Target: x86_64-apple-darwin15.6.0
	Thread model: posix
	InstalledDir: /Library/Developer/CommandLineTools/usr/bin
	
using GEGL version 0.4.8 (compiled against version 0.4.8)
using GLib version 2.56.1 (compiled against version 2.56.1)
using GdkPixbuf version 2.36.6 (compiled against version 2.36.6)
using GTK+ version 2.24.32 (compiled against version 2.24.32)
using Pango version 1.42.1 (compiled against version 1.42.1)
using Fontconfig version 2.13.0 (compiled against version 2.13.0)
using Cairo version 1.14.12 (compiled against version 1.14.12)

fatal error: Segmentation fault: 11

Stack trace:


# Stack traces obtained from PID 1770 - Thread 90902 #

(lldb) process attach --pid 1770
Process 1770 stopped
* thread #1, queue = 'com.apple.main-thread', stop reason = signal SIGSTOP
    frame #0: 0x00007fff69c218a6 libsystem_kernel.dylib`read + 10
libsystem_kernel.dylib`read:
->  0x7fff69c218a6 <+10>: jae    0x7fff69c218b0            ; <+20>
    0x7fff69c218a8 <+12>: movq   %rax, %rdi
    0x7fff69c218ab <+15>: jmp    0x7fff69c1fe31            ; cerror
    0x7fff69c218b0 <+20>: retq   
Target 0: (gimp-bin) stopped.

Executable module set to "/Applications/Gimp-2.10.app/Contents/MacOS/gimp-bin".
Architecture set to: x86_64h-apple-macosx.
(lldb) thread list
Process 1770 stopped
* thread #1: tid = 0x16316, 0x00007fff69c218a6 libsystem_kernel.dylib`read + 10, queue = 'com.apple.main-thread', stop reason = signal SIGSTOP
  thread #2: tid = 0x16318, 0x00007fff69c215be libsystem_kernel.dylib`__workq_kernreturn + 10
  thread #3: tid = 0x1631f, 0x00007fff69c26e82 libsystem_kernel.dylib`__select + 10, name = 'gmain'
  thread #4: tid = 0x16320, 0x00007fff69c231b2 libsystem_kernel.dylib`__psynch_cvwait + 10, name = 'async'
  thread #5: tid = 0x16321, 0x00007fff69c231b2 libsystem_kernel.dylib`__psynch_cvwait + 10, name = 'worker'
  thread #6: tid = 0x16322, 0x00007fff69c231b2 libsystem_kernel.dylib`__psynch_cvwait + 10, name = 'worker'
  thread #7: tid = 0x16323, 0x00007fff69c231b2 libsystem_kernel.dylib`__psynch_cvwait + 10, name = 'worker'
  thread #8: tid = 0x16324, 0x00007fff69c231b2 libsystem_kernel.dylib`__psynch_cvwait + 10, name = 'worker'
  thread #9: tid = 0x16325, 0x00007fff69c231b2 libsystem_kernel.dylib`__psynch_cvwait + 10, name = 'worker'
  thread #10: tid = 0x16326, 0x00007fff69c231b2 libsystem_kernel.dylib`__psynch_cvwait + 10, name = 'worker'
  thread #11: tid = 0x16327, 0x00007fff69c231b2 libsystem_kernel.dylib`__psynch_cvwait + 10, name = 'worker'
  thread #12: tid = 0x1632b, 0x00007fff69c215be libsystem_kernel.dylib`__workq_kernreturn + 10
  thread #13: tid = 0x16343, 0x00007fff69c215be libsystem_kernel.dylib`__workq_kernreturn + 10
  thread #14: tid = 0x16344, 0x00007fff69c215be libsystem_kernel.dylib`__workq_kernreturn + 10
  thread #15: tid = 0x1636e, 0x00007fff69c231b2 libsystem_kernel.dylib`__psynch_cvwait + 10
  thread #16: tid = 0x16395, 0x00007fff69c26052 libsystem_kernel.dylib`kevent + 10
  thread #17: tid = 0x16397, 0x00007fff69c1fc2a libsystem_kernel.dylib`mach_msg_trap + 10, name = 'com.apple.NSEventThread'
  thread #18: tid = 0x163c9, 0x00007fff69c215be libsystem_kernel.dylib`__workq_kernreturn + 10
  thread #19: tid = 0x163ca, 0x0000000000000000
  thread #20: tid = 0x16435, 0x00007fff69c231b2 libsystem_kernel.dylib`__psynch_cvwait + 10, name = 'pool'
  thread #21: tid = 0x16451, 0x00007fff69c231b2 libsystem_kernel.dylib`__psynch_cvwait + 10, name = 'swap writer'
(lldb) thread backtrace all
* thread #1, queue = 'com.apple.main-thread', stop reason = signal SIGSTOP
  * frame #0: 0x00007fff69c218a6 libsystem_kernel.dylib`read + 10
    frame #1: 0x000000010273f1b7 libgimpbase-2.0.0.dylib`gimp_stack_trace_print + 871
    frame #2: 0x000000010159d182 gimp-bin`gimp_eek + 402
    frame #3: 0x000000010159cfe4 gimp-bin`gimp_fatal_error + 36
    frame #4: 0x000000010159e45b gimp-bin`gimp_sigfatal_handler + 155
    frame #5: 0x00007fff69cd0b3d libsystem_platform.dylib`_sigtramp + 29
    frame #6: 0x0000000102b1277d libcairo.2.dylib`cairo_surface_create_similar + 29
    frame #7: 0x00000001026aeb10 libgdk-quartz-2.0.0.dylib`gdk_window_create_similar_surface + 224
    frame #8: 0x0000000101f03d7b libgimpwidgets-2.0.0.dylib`gimp_ruler_make_pixmap + 139
    frame #9: 0x0000000101f039b2 libgimpwidgets-2.0.0.dylib`gimp_ruler_size_allocate + 258
    frame #10: 0x00000001022546c8 libgtk-quartz-2.0.0.dylib`g_cclosure_marshal_VOID__BOXED + 232
    frame #11: 0x00000001030e0485 libgobject-2.0.0.dylib`g_type_class_meta_marshal + 117
    frame #12: 0x00000001030df9c6 libgobject-2.0.0.dylib`g_closure_invoke + 502
    frame #13: 0x0000000103100153 libgobject-2.0.0.dylib`signal_emit_unlocked_R + 675
    frame #14: 0x0000000103102017 libgobject-2.0.0.dylib`g_signal_emit_valist + 5495
    frame #15: 0x0000000103102964 libgobject-2.0.0.dylib`g_signal_emit + 356
    frame #16: 0x0000000102413976 libgtk-quartz-2.0.0.dylib`gtk_widget_size_allocate + 694
    frame #17: 0x000000010232c881 libgtk-quartz-2.0.0.dylib`gtk_table_size_allocate_pass2 + 977
    frame #18: 0x0000000102329bda libgtk-quartz-2.0.0.dylib`gtk_table_size_allocate + 74
    frame #19: 0x00000001022546c8 libgtk-quartz-2.0.0.dylib`g_cclosure_marshal_VOID__BOXED + 232
    frame #20: 0x00000001030e0485 libgobject-2.0.0.dylib`g_type_class_meta_marshal + 117
    frame #21: 0x00000001030df9c6 libgobject-2.0.0.dylib`g_closure_invoke + 502
    frame #22: 0x0000000103100153 libgobject-2.0.0.dylib`signal_emit_unlocked_R + 675
    frame #23: 0x0000000103102017 libgobject-2.0.0.dylib`g_signal_emit_valist + 5495
    frame #24: 0x0000000103102964 libgobject-2.0.0.dylib`g_signal_emit + 356
    frame #25: 0x0000000102413976 libgtk-quartz-2.0.0.dylib`gtk_widget_size_allocate + 694
    frame #26: 0x000000010213db4a libgtk-quartz-2.0.0.dylib`gtk_box_size_allocate + 1626
    frame #27: 0x00000001022546c8 libgtk-quartz-2.0.0.dylib`g_cclosure_marshal_VOID__BOXED + 232
    frame #28: 0x00000001030e0485 libgobject-2.0.0.dylib`g_type_class_meta_marshal + 117
    frame #29: 0x00000001030df9c6 libgobject-2.0.0.dylib`g_closure_invoke + 502
    frame #30: 0x0000000103100153 libgobject-2.0.0.dylib`signal_emit_unlocked_R + 675
    frame #31: 0x0000000103102017 libgobject-2.0.0.dylib`g_signal_emit_valist + 5495
    frame #32: 0x0000000103102964 libgobject-2.0.0.dylib`g_signal_emit + 356
    frame #33: 0x0000000102413976 libgtk-quartz-2.0.0.dylib`gtk_widget_size_allocate + 694
    frame #34: 0x000000010213db4a libgtk-quartz-2.0.0.dylib`gtk_box_size_allocate + 1626
    frame #35: 0x00000001022546c8 libgtk-quartz-2.0.0.dylib`g_cclosure_marshal_VOID__BOXED + 232
    frame #36: 0x00000001030e0485 libgobject-2.0.0.dylib`g_type_class_meta_marshal + 117
    frame #37: 0x00000001030df9c6 libgobject-2.0.0.dylib`g_closure_invoke + 502
    frame #38: 0x0000000103100153 libgobject-2.0.0.dylib`signal_emit_unlocked_R + 675
    frame #39: 0x0000000103102017 libgobject-2.0.0.dylib`g_signal_emit_valist + 5495
    frame #40: 0x0000000103102964 libgobject-2.0.0.dylib`g_signal_emit + 356
    frame #41: 0x0000000102413976 libgtk-quartz-2.0.0.dylib`gtk_widget_size_allocate + 694
    frame #42: 0x00000001021b1741 libgtk-quartz-2.0.0.dylib`gtk_event_box_size_allocate + 513
    frame #43: 0x00000001022546c8 libgtk-quartz-2.0.0.dylib`g_cclosure_marshal_VOID__BOXED + 232
    frame #44: 0x00000001030e0485 libgobject-2.0.0.dylib`g_type_class_meta_marshal + 117
    frame #45: 0x00000001030df9c6 libgobject-2.0.0.dylib`g_closure_invoke + 502
    frame #46: 0x0000000103100153 libgobject-2.0.0.dylib`signal_emit_unlocked_R + 675
    frame #47: 0x0000000103102017 libgobject-2.0.0.dylib`g_signal_emit_valist + 5495
    frame #48: 0x0000000103102964 libgobject-2.0.0.dylib`g_signal_emit + 356
    frame #49: 0x0000000102413976 libgtk-quartz-2.0.0.dylib`gtk_widget_size_allocate + 694
    frame #50: 0x0000000102286050 libgtk-quartz-2.0.0.dylib`gtk_notebook_size_allocate + 1632
    frame #51: 0x00000001022546c8 libgtk-quartz-2.0.0.dylib`g_cclosure_marshal_VOID__BOXED + 232
    frame #52: 0x00000001030e0485 libgobject-2.0.0.dylib`g_type_class_meta_marshal + 117
    frame #53: 0x00000001030df9c6 libgobject-2.0.0.dylib`g_closure_invoke + 502
    frame #54: 0x0000000103100153 libgobject-2.0.0.dylib`signal_emit_unlocked_R + 675
    frame #55: 0x0000000103102017 libgobject-2.0.0.dylib`g_signal_emit_valist + 5495
    frame #56: 0x0000000103102964 libgobject-2.0.0.dylib`g_signal_emit + 356
    frame #57: 0x0000000102413976 libgtk-quartz-2.0.0.dylib`gtk_widget_size_allocate + 694
    frame #58: 0x00000001022982a5 libgtk-quartz-2.0.0.dylib`gtk_paned_size_allocate + 1845
    frame #59: 0x00000001022546c8 libgtk-quartz-2.0.0.dylib`g_cclosure_marshal_VOID__BOXED + 232
    frame #60: 0x00000001030e0485 libgobject-2.0.0.dylib`g_type_class_meta_marshal + 117
    frame #61: 0x00000001030df9c6 libgobject-2.0.0.dylib`g_closure_invoke + 502
    frame #62: 0x0000000103100153 libgobject-2.0.0.dylib`signal_emit_unlocked_R + 675
    frame #63: 0x0000000103102017 libgobject-2.0.0.dylib`g_signal_emit_valist + 5495
    frame #64: 0x0000000103102964 libgobject-2.0.0.dylib`g_signal_emit + 356
    frame #65: 0x0000000102413976 libgtk-quartz-2.0.0.dylib`gtk_widget_size_allocate + 694
    frame #66: 0x00000001022982b6 libgtk-quartz-2.0.0.dylib`gtk_paned_size_allocate + 1862
    frame #67: 0x00000001022546c8 libgtk-quartz-2.0.0.dylib`g_cclosure_marshal_VOID__BOXED + 232
    frame #68: 0x00000001030e0485 libgobject-2.0.0.dylib`g_type_class_meta_marshal + 117
    frame #69: 0x00000001030df9c6 libgobject-2.0.0.dylib`g_closure_invoke + 502
    frame #70: 0x0000000103100153 libgobject-2.0.0.dylib`signal_emit_unlocked_R + 675
    frame #71: 0x0000000103102017 libgobject-2.0.0.dylib`g_signal_emit_valist + 5495
    frame #72: 0x0000000103102964 libgobject-2.0.0.dylib`g_signal_emit + 356
    frame #73: 0x0000000102413976 libgtk-quartz-2.0.0.dylib`gtk_widget_size_allocate + 694
    frame #74: 0x000000010213db4a libgtk-quartz-2.0.0.dylib`gtk_box_size_allocate + 1626
    frame #75: 0x00000001022546c8 libgtk-quartz-2.0.0.dylib`g_cclosure_marshal_VOID__BOXED + 232
    frame #76: 0x00000001030e0485 libgobject-2.0.0.dylib`g_type_class_meta_marshal + 117
    frame #77: 0x00000001030df9c6 libgobject-2.0.0.dylib`g_closure_invoke + 502
    frame #78: 0x0000000103100153 libgobject-2.0.0.dylib`signal_emit_unlocked_R + 675
    frame #79: 0x0000000103102017 libgobject-2.0.0.dylib`g_signal_emit_valist + 5495
    frame #80: 0x0000000103102964 libgobject-2.0.0.dylib`g_signal_emit + 356
    frame #81: 0x0000000102413976 libgtk-quartz-2.0.0.dylib`gtk_widget_size_allocate + 694
    frame #82: 0x000000010213db4a libgtk-quartz-2.0.0.dylib`gtk_box_size_allocate + 1626
    frame #83: 0x00000001022546c8 libgtk-quartz-2.0.0.dylib`g_cclosure_marshal_VOID__BOXED + 232
    frame #84: 0x00000001030e0485 libgobject-2.0.0.dylib`g_type_class_meta_marshal + 117
    frame #85: 0x00000001030df9c6 libgobject-2.0.0.dylib`g_closure_invoke + 502
    frame #86: 0x0000000103100153 libgobject-2.0.0.dylib`signal_emit_unlocked_R + 675
    frame #87: 0x0000000103102017 libgobject-2.0.0.dylib`g_signal_emit_valist + 5495
    frame #88: 0x0000000103102964 libgobject-2.0.0.dylib`g_signal_emit + 356
    frame #89: 0x0000000102413976 libgtk-quartz-2.0.0.dylib`gtk_widget_size_allocate + 694
    frame #90: 0x0000000102433f27 libgtk-quartz-2.0.0.dylib`gtk_window_size_allocate + 263
    frame #91: 0x00000001022546c8 libgtk-quartz-2.0.0.dylib`g_cclosure_marshal_VOID__BOXED + 232
    frame #92: 0x00000001030e0485 libgobject-2.0.0.dylib`g_type_class_meta_marshal + 117
    frame #93: 0x00000001030df9c6 libgobject-2.0.0.dylib`g_closure_invoke + 502
    frame #94: 0x0000000103100153 libgobject-2.0.0.dylib`signal_emit_unlocked_R + 675
    frame #95: 0x0000000103102017 libgobject-2.0.0.dylib`g_signal_emit_valist + 5495
    frame #96: 0x0000000103102964 libgobject-2.0.0.dylib`g_signal_emit + 356
    frame #97: 0x0000000102413976 libgtk-quartz-2.0.0.dylib`gtk_widget_size_allocate + 694
    frame #98: 0x000000010218ab3c libgtk-quartz-2.0.0.dylib`gtk_container_resize_children + 204
    frame #99: 0x0000000102435487 libgtk-quartz-2.0.0.dylib`gtk_window_move_resize + 1527
    frame #100: 0x000000010243454a libgtk-quartz-2.0.0.dylib`gtk_window_check_resize + 42
    frame #101: 0x0000000102257da0 libgtk-quartz-2.0.0.dylib`g_cclosure_marshal_VOID__VOID + 224
    frame #102: 0x00000001030e0485 libgobject-2.0.0.dylib`g_type_class_meta_marshal + 117
    frame #103: 0x00000001030df9c6 libgobject-2.0.0.dylib`g_closure_invoke + 502
    frame #104: 0x000000010310063b libgobject-2.0.0.dylib`signal_emit_unlocked_R + 1931
    frame #105: 0x0000000103102017 libgobject-2.0.0.dylib`g_signal_emit_valist + 5495
    frame #106: 0x0000000103102964 libgobject-2.0.0.dylib`g_signal_emit + 356
    frame #107: 0x000000010218aa66 libgtk-quartz-2.0.0.dylib`gtk_container_check_resize + 198
    frame #108: 0x000000010218a986 libgtk-quartz-2.0.0.dylib`gtk_container_idle_sizer + 102
    frame #109: 0x000000010266f721 libgdk-quartz-2.0.0.dylib`gdk_threads_dispatch + 97
    frame #110: 0x000000010317e3af libglib-2.0.0.dylib`g_idle_dispatch + 79
    frame #111: 0x0000000103182983 libglib-2.0.0.dylib`g_main_dispatch + 419
    frame #112: 0x00000001031827d0 libglib-2.0.0.dylib`g_main_context_dispatch + 48
    frame #113: 0x0000000103182d1e libglib-2.0.0.dylib`g_main_context_iterate + 446
    frame #114: 0x00000001031831de libglib-2.0.0.dylib`g_main_loop_run + 558
    frame #115: 0x000000010159c7f9 gimp-bin`app_run + 2169
    frame #116: 0x000000010159ff9a gimp-bin`main + 1402
    frame #117: 0x00007fff69ae7085 libdyld.dylib`start + 1
    frame #118: 0x00007fff69ae7085 libdyld.dylib`start + 1
  thread #2
    frame #0: 0x00007fff69c215be libsystem_kernel.dylib`__workq_kernreturn + 10
    frame #1: 0x00007fff69cd8641 libsystem_pthread.dylib`_pthread_wqthread + 446
    frame #2: 0x00007fff69cd8415 libsystem_pthread.dylib`start_wqthread + 13
  thread #3, name = 'gmain'
    frame #0: 0x00007fff69c26e82 libsystem_kernel.dylib`__select + 10
    frame #1: 0x0000000103198eb1 libglib-2.0.0.dylib`g_poll + 737
    frame #2: 0x0000000103184e9a libglib-2.0.0.dylib`g_main_context_poll + 106
    frame #3: 0x0000000103182cf5 libglib-2.0.0.dylib`g_main_context_iterate + 405
    frame #4: 0x0000000103182d93 libglib-2.0.0.dylib`g_main_context_iteration + 83
    frame #5: 0x000000010318473d libglib-2.0.0.dylib`glib_worker_main + 29
    frame #6: 0x00000001031bd29d libglib-2.0.0.dylib`g_thread_proxy + 189
    frame #7: 0x00007fff69cd933d libsystem_pthread.dylib`_pthread_body + 126
    frame #8: 0x00007fff69cdc2a7 libsystem_pthread.dylib`_pthread_start + 70
    frame #9: 0x00007fff69cd8425 libsystem_pthread.dylib`thread_start + 13
  thread #4, name = 'async'
    frame #0: 0x00007fff69c231b2 libsystem_kernel.dylib`__psynch_cvwait + 10
    frame #1: 0x00007fff69cdc5cb libsystem_pthread.dylib`_pthread_cond_wait + 724
    frame #2: 0x00000001031ecc22 libglib-2.0.0.dylib`g_cond_wait + 50
    frame #3: 0x00000001019c5dc2 gimp-bin`gimp_parallel_run_async_thread_func(GimpParallelRunAsyncThread*) + 210
    frame #4: 0x00000001031bd29d libglib-2.0.0.dylib`g_thread_proxy + 189
    frame #5: 0x00007fff69cd933d libsystem_pthread.dylib`_pthread_body + 126
    frame #6: 0x00007fff69cdc2a7 libsystem_pthread.dylib`_pthread_start + 70
    frame #7: 0x00007fff69cd8425 libsystem_pthread.dylib`thread_start + 13
  thread #5, name = 'worker'
    frame #0: 0x00007fff69c231b2 libsystem_kernel.dylib`__psynch_cvwait + 10
    frame #1: 0x00007fff69cdc5cb libsystem_pthread.dylib`_pthread_cond_wait + 724
    frame #2: 0x00000001031ecc22 libglib-2.0.0.dylib`g_cond_wait + 50
    frame #3: 0x00000001019c5ebf gimp-bin`gimp_parallel_distribute_thread_func(GimpParallelDistributeThread*) + 223
    frame #4: 0x00000001031bd29d libglib-2.0.0.dylib`g_thread_proxy + 189
    frame #5: 0x00007fff69cd933d libsystem_pthread.dylib`_pthread_body + 126
    frame #6: 0x00007fff69cdc2a7 libsystem_pthread.dylib`_pthread_start + 70
    frame #7: 0x00007fff69cd8425 libsystem_pthread.dylib`thread_start + 13
  thread #6, name = 'worker'
    frame #0: 0x00007fff69c231b2 libsystem_kernel.dylib`__psynch_cvwait + 10
    frame #1: 0x00007fff69cdc5cb libsystem_pthread.dylib`_pthread_cond_wait + 724
    frame #2: 0x00000001031ecc22 libglib-2.0.0.dylib`g_cond_wait + 50
    frame #3: 0x00000001019c5ebf gimp-bin`gimp_parallel_distribute_thread_func(GimpParallelDistributeThread*) + 223
    frame #4: 0x00000001031bd29d libglib-2.0.0.dylib`g_thread_proxy + 189
    frame #5: 0x00007fff69cd933d libsystem_pthread.dylib`_pthread_body + 126
    frame #6: 0x00007fff69cdc2a7 libsystem_pthread.dylib`_pthread_start + 70
    frame #7: 0x00007fff69cd8425 libsystem_pthread.dylib`thread_start + 13
  thread #7, name = 'worker'
    frame #0: 0x00007fff69c231b2 libsystem_kernel.dylib`__psynch_cvwait + 10
    frame #1: 0x00007fff69cdc5cb libsystem_pthread.dylib`_pthread_cond_wait + 724
    frame #2: 0x00000001031ecc22 libglib-2.0.0.dylib`g_cond_wait + 50
    frame #3: 0x00000001019c5ebf gimp-bin`gimp_parallel_distribute_thread_func(GimpParallelDistributeThread*) + 223
    frame #4: 0x00000001031bd29d libglib-2.0.0.dylib`g_thread_proxy + 189
    frame #5: 0x00007fff69cd933d libsystem_pthread.dylib`_pthread_body + 126
    frame #6: 0x00007fff69cdc2a7 libsystem_pthread.dylib`_pthread_start + 70
    frame #7: 0x00007fff69cd8425 libsystem_pthread.dylib`thread_start + 13
  thread #8, name = 'worker'
    frame #0: 0x00007fff69c231b2 libsystem_kernel.dylib`__psynch_cvwait + 10
    frame #1: 0x00007fff69cdc5cb libsystem_pthread.dylib`_pthread_cond_wait + 724
    frame #2: 0x00000001031ecc22 libglib-2.0.0.dylib`g_cond_wait + 50
    frame #3: 0x00000001019c5ebf gimp-bin`gimp_parallel_distribute_thread_func(GimpParallelDistributeThread*) + 223
    frame #4: 0x00000001031bd29d libglib-2.0.0.dylib`g_thread_proxy + 189
    frame #5: 0x00007fff69cd933d libsystem_pthread.dylib`_pthread_body + 126
    frame #6: 0x00007fff69cdc2a7 libsystem_pthread.dylib`_pthread_start + 70
    frame #7: 0x00007fff69cd8425 libsystem_pthread.dylib`thread_start + 13
  thread #9, name = 'worker'
    frame #0: 0x00007fff69c231b2 libsystem_kernel.dylib`__psynch_cvwait + 10
    frame #1: 0x00007fff69cdc5cb libsystem_pthread.dylib`_pthread_cond_wait + 724
    frame #2: 0x00000001031ecc22 libglib-2.0.0.dylib`g_cond_wait + 50
    frame #3: 0x00000001019c5ebf gimp-bin`gimp_parallel_distribute_thread_func(GimpParallelDistributeThread*) + 223
    frame #4: 0x00000001031bd29d libglib-2.0.0.dylib`g_thread_proxy + 189
    frame #5: 0x00007fff69cd933d libsystem_pthread.dylib`_pthread_body + 126
    frame #6: 0x00007fff69cdc2a7 libsystem_pthread.dylib`_pthread_start + 70
    frame #7: 0x00007fff69cd8425 libsystem_pthread.dylib`thread_start + 13
  thread #10, name = 'worker'
    frame #0: 0x00007fff69c231b2 libsystem_kernel.dylib`__psynch_cvwait + 10
    frame #1: 0x00007fff69cdc5cb libsystem_pthread.dylib`_pthread_cond_wait + 724
    frame #2: 0x00000001031ecc22 libglib-2.0.0.dylib`g_cond_wait + 50
    frame #3: 0x00000001019c5ebf gimp-bin`gimp_parallel_distribute_thread_func(GimpParallelDistributeThread*) + 223
    frame #4: 0x00000001031bd29d libglib-2.0.0.dylib`g_thread_proxy + 189
    frame #5: 0x00007fff69cd933d libsystem_pthread.dylib`_pthread_body + 126
    frame #6: 0x00007fff69cdc2a7 libsystem_pthread.dylib`_pthread_start + 70
    frame #7: 0x00007fff69cd8425 libsystem_pthread.dylib`thread_start + 13
  thread #11, name = 'worker'
    frame #0: 0x00007fff69c231b2 libsystem_kernel.dylib`__psynch_cvwait + 10
    frame #1: 0x00007fff69cdc5cb libsystem_pthread.dylib`_pthread_cond_wait + 724
    frame #2: 0x00000001031ecc22 libglib-2.0.0.dylib`g_cond_wait + 50
    frame #3: 0x00000001019c5ebf gimp-bin`gimp_parallel_distribute_thread_func(GimpParallelDistributeThread*) + 223
    frame #4: 0x00000001031bd29d libglib-2.0.0.dylib`g_thread_proxy + 189
    frame #5: 0x00007fff69cd933d libsystem_pthread.dylib`_pthread_body + 126
    frame #6: 0x00007fff69cdc2a7 libsystem_pthread.dylib`_pthread_start + 70
    frame #7: 0x00007fff69cd8425 libsystem_pthread.dylib`thread_start + 13
  thread #12
    frame #0: 0x00007fff69c215be libsystem_kernel.dylib`__workq_kernreturn + 10
    frame #1: 0x00007fff69cd8721 libsystem_pthread.dylib`_pthread_wqthread + 670
    frame #2: 0x00007fff69cd8415 libsystem_pthread.dylib`start_wqthread + 13
  thread #13
    frame #0: 0x00007fff69c215be libsystem_kernel.dylib`__workq_kernreturn + 10
    frame #1: 0x00007fff69cd8721 libsystem_pthread.dylib`_pthread_wqthread + 670
    frame #2: 0x00007fff69cd8415 libsystem_pthread.dylib`start_wqthread + 13
  thread #14
    frame #0: 0x00007fff69c215be libsystem_kernel.dylib`__workq_kernreturn + 10
    frame #1: 0x00007fff69cd8641 libsystem_pthread.dylib`_pthread_wqthread + 446
    frame #2: 0x00007fff69cd8415 libsystem_pthread.dylib`start_wqthread + 13
  thread #15
    frame #0: 0x00007fff69c231b2 libsystem_kernel.dylib`__psynch_cvwait + 10
    frame #1: 0x00007fff69cdc5cb libsystem_pthread.dylib`_pthread_cond_wait + 724
    frame #2: 0x00000001026c365b libgdk-quartz-2.0.0.dylib`select_thread_func + 139
    frame #3: 0x00007fff69cd933d libsystem_pthread.dylib`_pthread_body + 126
    frame #4: 0x00007fff69cdc2a7 libsystem_pthread.dylib`_pthread_start + 70
    frame #5: 0x00007fff69cd8425 libsystem_pthread.dylib`thread_start + 13
  thread #16
    frame #0: 0x00007fff69c26052 libsystem_kernel.dylib`kevent + 10
    frame #1: 0x0000000102e3be7b libgio-2.0.0.dylib`_kqueue_thread_func + 331
    frame #2: 0x00007fff69cd933d libsystem_pthread.dylib`_pthread_body + 126
    frame #3: 0x00007fff69cdc2a7 libsystem_pthread.dylib`_pthread_start + 70
    frame #4: 0x00007fff69cd8425 libsystem_pthread.dylib`thread_start + 13
  thread #17, name = 'com.apple.NSEventThread'
    frame #0: 0x00007fff69c1fc2a libsystem_kernel.dylib`mach_msg_trap + 10
    frame #1: 0x00007fff69c20174 libsystem_kernel.dylib`mach_msg + 60
    frame #2: 0x00007fff3ca5305e CoreFoundation`__CFRunLoopServiceMachPort + 337
    frame #3: 0x00007fff3ca525ad CoreFoundation`__CFRunLoopRun + 1654
    frame #4: 0x00007fff3ca51ce4 CoreFoundation`CFRunLoopRunSpecific + 463
    frame #5: 0x00007fff39fb1581 AppKit`_NSEventThread + 160
    frame #6: 0x00007fff69cd933d libsystem_pthread.dylib`_pthread_body + 126
    frame #7: 0x00007fff69cdc2a7 libsystem_pthread.dylib`_pthread_start + 70
    frame #8: 0x00007fff69cd8425 libsystem_pthread.dylib`thread_start + 13
  thread #18
    frame #0: 0x00007fff69c215be libsystem_kernel.dylib`__workq_kernreturn + 10
    frame #1: 0x00007fff69cd8721 libsystem_pthread.dylib`_pthread_wqthread + 670
    frame #2: 0x00007fff69cd8415 libsystem_pthread.dylib`start_wqthread + 13
  thread #19
    frame #0: 0x0000000000000000
  thread #20, name = 'pool'
    frame #0: 0x00007fff69c231b2 libsystem_kernel.dylib`__psynch_cvwait + 10
    frame #1: 0x00007fff69cdc5fe libsystem_pthread.dylib`_pthread_cond_wait + 775
    frame #2: 0x00000001031ecdf1 libglib-2.0.0.dylib`g_cond_wait_until + 145
    frame #3: 0x000000010313d1d8 libglib-2.0.0.dylib`g_async_queue_pop_intern_unlocked + 168
    frame #4: 0x000000010313d45f libglib-2.0.0.dylib`g_async_queue_timeout_pop_unlocked + 47
    frame #5: 0x00000001031be995 libglib-2.0.0.dylib`g_thread_pool_wait_for_new_task + 165
    frame #6: 0x00000001031be77a libglib-2.0.0.dylib`g_thread_pool_thread_proxy + 42
    frame #7: 0x00000001031bd29d libglib-2.0.0.dylib`g_thread_proxy + 189
    frame #8: 0x00007fff69cd933d libsystem_pthread.dylib`_pthread_body + 126
    frame #9: 0x00007fff69cdc2a7 libsystem_pthread.dylib`_pthread_start + 70
    frame #10: 0x00007fff69cd8425 libsystem_pthread.dylib`thread_start + 13
  thread #21, name = 'swap writer'
    frame #0: 0x00007fff69c231b2 libsystem_kernel.dylib`__psynch_cvwait + 10
    frame #1: 0x00007fff69cdc5cb libsystem_pthread.dylib`_pthread_cond_wait + 724
    frame #2: 0x00000001031ecc22 libglib-2.0.0.dylib`g_cond_wait + 50
    frame #3: 0x0000000102c32fd8 libgegl-0.4.0.dylib`gegl_tile_backend_swap_writer_thread + 120
    frame #4: 0x00000001031bd29d libglib-2.0.0.dylib`g_thread_proxy + 189
    frame #5: 0x00007fff69cd933d libsystem_pthread.dylib`_pthread_body + 126
    frame #6: 0x00007fff69cdc2a7 libsystem_pthread.dylib`_pthread_start + 70
    frame #7: 0x00007fff69cd8425 libsystem_pthread.dylib`thread_start + 13
(lldb) bt all
* thread #1, queue = 'com.apple.main-thread', stop reason = signal SIGSTOP
  * frame #0: 0x00007fff69c218a6 libsystem_kernel.dylib`read + 10
    frame #1: 0x000000010273f1b7 libgimpbase-2.0.0.dylib`gimp_stack_trace_print + 871
    frame #2: 0x000000010159d182 gimp-bin`gimp_eek + 402
    frame #3: 0x000000010159cfe4 gimp-bin`gimp_fatal_error + 36
    frame #4: 0x000000010159e45b gimp-bin`gimp_sigfatal_handler + 155
    frame #5: 0x00007fff69cd0b3d libsystem_platform.dylib`_sigtramp + 29
    frame #6: 0x0000000102b1277d libcairo.2.dylib`cairo_surface_create_similar + 29
    frame #7: 0x00000001026aeb10 libgdk-quartz-2.0.0.dylib`gdk_window_create_similar_surface + 224
    frame #8: 0x0000000101f03d7b libgimpwidgets-2.0.0.dylib`gimp_ruler_make_pixmap + 139
    frame #9: 0x0000000101f039b2 libgimpwidgets-2.0.0.dylib`gimp_ruler_size_allocate + 258
    frame #10: 0x00000001022546c8 libgtk-quartz-2.0.0.dylib`g_cclosure_marshal_VOID__BOXED + 232
    frame #11: 0x00000001030e0485 libgobject-2.0.0.dylib`g_type_class_meta_marshal + 117
    frame #12: 0x00000001030df9c6 libgobject-2.0.0.dylib`g_closure_invoke + 502
    frame #13: 0x0000000103100153 libgobject-2.0.0.dylib`signal_emit_unlocked_R + 675
    frame #14: 0x0000000103102017 libgobject-2.0.0.dylib`g_signal_emit_valist + 5495
    frame #15: 0x0000000103102964 libgobject-2.0.0.dylib`g_signal_emit + 356
    frame #16: 0x0000000102413976 libgtk-quartz-2.0.0.dylib`gtk_widget_size_allocate + 694
    frame #17: 0x000000010232c881 libgtk-quartz-2.0.0.dylib`gtk_table_size_allocate_pass2 + 977
    frame #18: 0x0000000102329bda libgtk-quartz-2.0.0.dylib`gtk_table_size_allocate + 74
    frame #19: 0x00000001022546c8 libgtk-quartz-2.0.0.dylib`g_cclosure_marshal_VOID__BOXED + 232
    frame #20: 0x00000001030e0485 libgobject-2.0.0.dylib`g_type_class_meta_marshal + 117
    frame #21: 0x00000001030df9c6 libgobject-2.0.0.dylib`g_closure_invoke + 502
    frame #22: 0x0000000103100153 libgobject-2.0.0.dylib`signal_emit_unlocked_R + 675
    frame #23: 0x0000000103102017 libgobject-2.0.0.dylib`g_signal_emit_valist + 5495
    frame #24: 0x0000000103102964 libgobject-2.0.0.dylib`g_signal_emit + 356
    frame #25: 0x0000000102413976 libgtk-quartz-2.0.0.dylib`gtk_widget_size_allocate + 694
    frame #26: 0x000000010213db4a libgtk-quartz-2.0.0.dylib`gtk_box_size_allocate + 1626
    frame #27: 0x00000001022546c8 libgtk-quartz-2.0.0.dylib`g_cclosure_marshal_VOID__BOXED + 232
    frame #28: 0x00000001030e0485 libgobject-2.0.0.dylib`g_type_class_meta_marshal + 117
    frame #29: 0x00000001030df9c6 libgobject-2.0.0.dylib`g_closure_invoke + 502
    frame #30: 0x0000000103100153 libgobject-2.0.0.dylib`signal_emit_unlocked_R + 675
    frame #31: 0x0000000103102017 libgobject-2.0.0.dylib`g_signal_emit_valist + 5495
    frame #32: 0x0000000103102964 libgobject-2.0.0.dylib`g_signal_emit + 356
    frame #33: 0x0000000102413976 libgtk-quartz-2.0.0.dylib`gtk_widget_size_allocate + 694
    frame #34: 0x000000010213db4a libgtk-quartz-2.0.0.dylib`gtk_box_size_allocate + 1626
    frame #35: 0x00000001022546c8 libgtk-quartz-2.0.0.dylib`g_cclosure_marshal_VOID__BOXED + 232
    frame #36: 0x00000001030e0485 libgobject-2.0.0.dylib`g_type_class_meta_marshal + 117
    frame #37: 0x00000001030df9c6 libgobject-2.0.0.dylib`g_closure_invoke + 502
    frame #38: 0x0000000103100153 libgobject-2.0.0.dylib`signal_emit_unlocked_R + 675
    frame #39: 0x0000000103102017 libgobject-2.0.0.dylib`g_signal_emit_valist + 5495
    frame #40: 0x0000000103102964 libgobject-2.0.0.dylib`g_signal_emit + 356
    frame #41: 0x0000000102413976 libgtk-quartz-2.0.0.dylib`gtk_widget_size_allocate + 694
    frame #42: 0x00000001021b1741 libgtk-quartz-2.0.0.dylib`gtk_event_box_size_allocate + 513
    frame #43: 0x00000001022546c8 libgtk-quartz-2.0.0.dylib`g_cclosure_marshal_VOID__BOXED + 232
    frame #44: 0x00000001030e0485 libgobject-2.0.0.dylib`g_type_class_meta_marshal + 117
    frame #45: 0x00000001030df9c6 libgobject-2.0.0.dylib`g_closure_invoke + 502
    frame #46: 0x0000000103100153 libgobject-2.0.0.dylib`signal_emit_unlocked_R + 675
    frame #47: 0x0000000103102017 libgobject-2.0.0.dylib`g_signal_emit_valist + 5495
    frame #48: 0x0000000103102964 libgobject-2.0.0.dylib`g_signal_emit + 356
    frame #49: 0x0000000102413976 libgtk-quartz-2.0.0.dylib`gtk_widget_size_allocate + 694
    frame #50: 0x0000000102286050 libgtk-quartz-2.0.0.dylib`gtk_notebook_size_allocate + 1632
    frame #51: 0x00000001022546c8 libgtk-quartz-2.0.0.dylib`g_cclosure_marshal_VOID__BOXED + 232
    frame #52: 0x00000001030e0485 libgobject-2.0.0.dylib`g_type_class_meta_marshal + 117
    frame #53: 0x00000001030df9c6 libgobject-2.0.0.dylib`g_closure_invoke + 502
    frame #54: 0x0000000103100153 libgobject-2.0.0.dylib`signal_emit_unlocked_R + 675
    frame #55: 0x0000000103102017 libgobject-2.0.0.dylib`g_signal_emit_valist + 5495
    frame #56: 0x0000000103102964 libgobject-2.0.0.dylib`g_signal_emit + 356
    frame #57: 0x0000000102413976 libgtk-quartz-2.0.0.dylib`gtk_widget_size_allocate + 694
    frame #58: 0x00000001022982a5 libgtk-quartz-2.0.0.dylib`gtk_paned_size_allocate + 1845
    frame #59: 0x00000001022546c8 libgtk-quartz-2.0.0.dylib`g_cclosure_marshal_VOID__BOXED + 232
    frame #60: 0x00000001030e0485 libgobject-2.0.0.dylib`g_type_class_meta_marshal + 117
    frame #61: 0x00000001030df9c6 libgobject-2.0.0.dylib`g_closure_invoke + 502
    frame #62: 0x0000000103100153 libgobject-2.0.0.dylib`signal_emit_unlocked_R + 675
    frame #63: 0x0000000103102017 libgobject-2.0.0.dylib`g_signal_emit_valist + 5495
    frame #64: 0x0000000103102964 libgobject-2.0.0.dylib`g_signal_emit + 356
    frame #65: 0x0000000102413976 libgtk-quartz-2.0.0.dylib`gtk_widget_size_allocate + 694
    frame #66: 0x00000001022982b6 libgtk-quartz-2.0.0.dylib`gtk_paned_size_allocate + 1862
    frame #67: 0x00000001022546c8 libgtk-quartz-2.0.0.dylib`g_cclosure_marshal_VOID__BOXED + 232
    frame #68: 0x00000001030e0485 libgobject-2.0.0.dylib`g_type_class_meta_marshal + 117
    frame #69: 0x00000001030df9c6 libgobject-2.0.0.dylib`g_closure_invoke + 502
    frame #70: 0x0000000103100153 libgobject-2.0.0.dylib`signal_emit_unlocked_R + 675
    frame #71: 0x0000000103102017 libgobject-2.0.0.dylib`g_signal_emit_valist + 5495
    frame #72: 0x0000000103102964 libgobject-2.0.0.dylib`g_signal_emit + 356
    frame #73: 0x0000000102413976 libgtk-quartz-2.0.0.dylib`gtk_widget_size_allocate + 694
    frame #74: 0x000000010213db4a libgtk-quartz-2.0.0.dylib`gtk_box_size_allocate + 1626
    frame #75: 0x00000001022546c8 libgtk-quartz-2.0.0.dylib`g_cclosure_marshal_VOID__BOXED + 232
    frame #76: 0x00000001030e0485 libgobject-2.0.0.dylib`g_type_class_meta_marshal + 117
    frame #77: 0x00000001030df9c6 libgobject-2.0.0.dylib`g_closure_invoke + 502
    frame #78: 0x0000000103100153 libgobject-2.0.0.dylib`signal_emit_unlocked_R + 675
    frame #79: 0x0000000103102017 libgobject-2.0.0.dylib`g_signal_emit_valist + 5495
    frame #80: 0x0000000103102964 libgobject-2.0.0.dylib`g_signal_emit + 356
    frame #81: 0x0000000102413976 libgtk-quartz-2.0.0.dylib`gtk_widget_size_allocate + 694
    frame #82: 0x000000010213db4a libgtk-quartz-2.0.0.dylib`gtk_box_size_allocate + 1626
    frame #83: 0x00000001022546c8 libgtk-quartz-2.0.0.dylib`g_cclosure_marshal_VOID__BOXED + 232
    frame #84: 0x00000001030e0485 libgobject-2.0.0.dylib`g_type_class_meta_marshal + 117
    frame #85: 0x00000001030df9c6 libgobject-2.0.0.dylib`g_closure_invoke + 502
    frame #86: 0x0000000103100153 libgobject-2.0.0.dylib`signal_emit_unlocked_R + 675
    frame #87: 0x0000000103102017 libgobject-2.0.0.dylib`g_signal_emit_valist + 5495
    frame #88: 0x0000000103102964 libgobject-2.0.0.dylib`g_signal_emit + 356
    frame #89: 0x0000000102413976 libgtk-quartz-2.0.0.dylib`gtk_widget_size_allocate + 694
    frame #90: 0x0000000102433f27 libgtk-quartz-2.0.0.dylib`gtk_window_size_allocate + 263
    frame #91: 0x00000001022546c8 libgtk-quartz-2.0.0.dylib`g_cclosure_marshal_VOID__BOXED + 232
    frame #92: 0x00000001030e0485 libgobject-2.0.0.dylib`g_type_class_meta_marshal + 117
    frame #93: 0x00000001030df9c6 libgobject-2.0.0.dylib`g_closure_invoke + 502
    frame #94: 0x0000000103100153 libgobject-2.0.0.dylib`signal_emit_unlocked_R + 675
    frame #95: 0x0000000103102017 libgobject-2.0.0.dylib`g_signal_emit_valist + 5495
    frame #96: 0x0000000103102964 libgobject-2.0.0.dylib`g_signal_emit + 356
    frame #97: 0x0000000102413976 libgtk-quartz-2.0.0.dylib`gtk_widget_size_allocate + 694
    frame #98: 0x000000010218ab3c libgtk-quartz-2.0.0.dylib`gtk_container_resize_children + 204
    frame #99: 0x0000000102435487 libgtk-quartz-2.0.0.dylib`gtk_window_move_resize + 1527
    frame #100: 0x000000010243454a libgtk-quartz-2.0.0.dylib`gtk_window_check_resize + 42
    frame #101: 0x0000000102257da0 libgtk-quartz-2.0.0.dylib`g_cclosure_marshal_VOID__VOID + 224
    frame #102: 0x00000001030e0485 libgobject-2.0.0.dylib`g_type_class_meta_marshal + 117
    frame #103: 0x00000001030df9c6 libgobject-2.0.0.dylib`g_closure_invoke + 502
    frame #104: 0x000000010310063b libgobject-2.0.0.dylib`signal_emit_unlocked_R + 1931
    frame #105: 0x0000000103102017 libgobject-2.0.0.dylib`g_signal_emit_valist + 5495
    frame #106: 0x0000000103102964 libgobject-2.0.0.dylib`g_signal_emit + 356
    frame #107: 0x000000010218aa66 libgtk-quartz-2.0.0.dylib`gtk_container_check_resize + 198
    frame #108: 0x000000010218a986 libgtk-quartz-2.0.0.dylib`gtk_container_idle_sizer + 102
    frame #109: 0x000000010266f721 libgdk-quartz-2.0.0.dylib`gdk_threads_dispatch + 97
    frame #110: 0x000000010317e3af libglib-2.0.0.dylib`g_idle_dispatch + 79
    frame #111: 0x0000000103182983 libglib-2.0.0.dylib`g_main_dispatch + 419
    frame #112: 0x00000001031827d0 libglib-2.0.0.dylib`g_main_context_dispatch + 48
    frame #113: 0x0000000103182d1e libglib-2.0.0.dylib`g_main_context_iterate + 446
    frame #114: 0x00000001031831de libglib-2.0.0.dylib`g_main_loop_run + 558
    frame #115: 0x000000010159c7f9 gimp-bin`app_run + 2169
    frame #116: 0x000000010159ff9a gimp-bin`main + 1402
    frame #117: 0x00007fff69ae7085 libdyld.dylib`start + 1
    frame #118: 0x00007fff69ae7085 libdyld.dylib`start + 1
  thread #2
    frame #0: 0x00007fff69c215be libsystem_kernel.dylib`__workq_kernreturn + 10
    frame #1: 0x00007fff69cd8641 libsystem_pthread.dylib`_pthread_wqthread + 446
    frame #2: 0x00007fff69cd8415 libsystem_pthread.dylib`start_wqthread + 13
  thread #3, name = 'gmain'
    frame #0: 0x00007fff69c26e82 libsystem_kernel.dylib`__select + 10
    frame #1: 0x0000000103198eb1 libglib-2.0.0.dylib`g_poll + 737
    frame #2: 0x0000000103184e9a libglib-2.0.0.dylib`g_main_context_poll + 106
    frame #3: 0x0000000103182cf5 libglib-2.0.0.dylib`g_main_context_iterate + 405
    frame #4: 0x0000000103182d93 libglib-2.0.0.dylib`g_main_context_iteration + 83
    frame #5: 0x000000010318473d libglib-2.0.0.dylib`glib_worker_main + 29
    frame #6: 0x00000001031bd29d libglib-2.0.0.dylib`g_thread_proxy + 189
    frame #7: 0x00007fff69cd933d libsystem_pthread.dylib`_pthread_body + 126
    frame #8: 0x00007fff69cdc2a7 libsystem_pthread.dylib`_pthread_start + 70
    frame #9: 0x00007fff69cd8425 libsystem_pthread.dylib`thread_start + 13
  thread #4, name = 'async'
    frame #0: 0x00007fff69c231b2 libsystem_kernel.dylib`__psynch_cvwait + 10
    frame #1: 0x00007fff69cdc5cb libsystem_pthread.dylib`_pthread_cond_wait + 724
    frame #2: 0x00000001031ecc22 libglib-2.0.0.dylib`g_cond_wait + 50
    frame #3: 0x00000001019c5dc2 gimp-bin`gimp_parallel_run_async_thread_func(GimpParallelRunAsyncThread*) + 210
    frame #4: 0x00000001031bd29d libglib-2.0.0.dylib`g_thread_proxy + 189
    frame #5: 0x00007fff69cd933d libsystem_pthread.dylib`_pthread_body + 126
    frame #6: 0x00007fff69cdc2a7 libsystem_pthread.dylib`_pthread_start + 70
    frame #7: 0x00007fff69cd8425 libsystem_pthread.dylib`thread_start + 13
  thread #5, name = 'worker'
    frame #0: 0x00007fff69c231b2 libsystem_kernel.dylib`__psynch_cvwait + 10
    frame #1: 0x00007fff69cdc5cb libsystem_pthread.dylib`_pthread_cond_wait + 724
    frame #2: 0x00000001031ecc22 libglib-2.0.0.dylib`g_cond_wait + 50
    frame #3: 0x00000001019c5ebf gimp-bin`gimp_parallel_distribute_thread_func(GimpParallelDistributeThread*) + 223
    frame #4: 0x00000001031bd29d libglib-2.0.0.dylib`g_thread_proxy + 189
    frame #5: 0x00007fff69cd933d libsystem_pthread.dylib`_pthread_body + 126
    frame #6: 0x00007fff69cdc2a7 libsystem_pthread.dylib`_pthread_start + 70
    frame #7: 0x00007fff69cd8425 libsystem_pthread.dylib`thread_start + 13
  thread #6, name = 'worker'
    frame #0: 0x00007fff69c231b2 libsystem_kernel.dylib`__psynch_cvwait + 10
    frame #1: 0x00007fff69cdc5cb libsystem_pthread.dylib`_pthread_cond_wait + 724
    frame #2: 0x00000001031ecc22 libglib-2.0.0.dylib`g_cond_wait + 50
    frame #3: 0x00000001019c5ebf gimp-bin`gimp_parallel_distribute_thread_func(GimpParallelDistributeThread*) + 223
    frame #4: 0x00000001031bd29d libglib-2.0.0.dylib`g_thread_proxy + 189
    frame #5: 0x00007fff69cd933d libsystem_pthread.dylib`_pthread_body + 126
    frame #6: 0x00007fff69cdc2a7 libsystem_pthread.dylib`_pthread_start + 70
    frame #7: 0x00007fff69cd8425 libsystem_pthread.dylib`thread_start + 13
  thread #7, name = 'worker'
    frame #0: 0x00007fff69c231b2 libsystem_kernel.dylib`__psynch_cvwait + 10
    frame #1: 0x00007fff69cdc5cb libsystem_pthread.dylib`_pthread_cond_wait + 724
    frame #2: 0x00000001031ecc22 libglib-2.0.0.dylib`g_cond_wait + 50
    frame #3: 0x00000001019c5ebf gimp-bin`gimp_parallel_distribute_thread_func(GimpParallelDistributeThread*) + 223
    frame #4: 0x00000001031bd29d libglib-2.0.0.dylib`g_thread_proxy + 189
    frame #5: 0x00007fff69cd933d libsystem_pthread.dylib`_pthread_body + 126
    frame #6: 0x00007fff69cdc2a7 libsystem_pthread.dylib`_pthread_start + 70
    frame #7: 0x00007fff69cd8425 libsystem_pthread.dylib`thread_start + 13
  thread #8, name = 'worker'
    frame #0: 0x00007fff69c231b2 libsystem_kernel.dylib`__psynch_cvwait + 10
    frame #1: 0x00007fff69cdc5cb libsystem_pthread.dylib`_pthread_cond_wait + 724
    frame #2: 0x00000001031ecc22 libglib-2.0.0.dylib`g_cond_wait + 50
    frame #3: 0x00000001019c5ebf gimp-bin`gimp_parallel_distribute_thread_func(GimpParallelDistributeThread*) + 223
    frame #4: 0x00000001031bd29d libglib-2.0.0.dylib`g_thread_proxy + 189
    frame #5: 0x00007fff69cd933d libsystem_pthread.dylib`_pthread_body + 126
    frame #6: 0x00007fff69cdc2a7 libsystem_pthread.dylib`_pthread_start + 70
    frame #7: 0x00007fff69cd8425 libsystem_pthread.dylib`thread_start + 13
  thread #9, name = 'worker'
    frame #0: 0x00007fff69c231b2 libsystem_kernel.dylib`__psynch_cvwait + 10
    frame #1: 0x00007fff69cdc5cb libsystem_pthread.dylib`_pthread_cond_wait + 724
    frame #2: 0x00000001031ecc22 libglib-2.0.0.dylib`g_cond_wait + 50
    frame #3: 0x00000001019c5ebf gimp-bin`gimp_parallel_distribute_thread_func(GimpParallelDistributeThread*) + 223
    frame #4: 0x00000001031bd29d libglib-2.0.0.dylib`g_thread_proxy + 189
    frame #5: 0x00007fff69cd933d libsystem_pthread.dylib`_pthread_body + 126
    frame #6: 0x00007fff69cdc2a7 libsystem_pthread.dylib`_pthread_start + 70
    frame #7: 0x00007fff69cd8425 libsystem_pthread.dylib`thread_start + 13
  thread #10, name = 'worker'
    frame #0: 0x00007fff69c231b2 libsystem_kernel.dylib`__psynch_cvwait + 10
    frame #1: 0x00007fff69cdc5cb libsystem_pthread.dylib`_pthread_cond_wait + 724
    frame #2: 0x00000001031ecc22 libglib-2.0.0.dylib`g_cond_wait + 50
    frame #3: 0x00000001019c5ebf gimp-bin`gimp_parallel_distribute_thread_func(GimpParallelDistributeThread*) + 223
    frame #4: 0x00000001031bd29d libglib-2.0.0.dylib`g_thread_proxy + 189
    frame #5: 0x00007fff69cd933d libsystem_pthread.dylib`_pthread_body + 126
    frame #6: 0x00007fff69cdc2a7 libsystem_pthread.dylib`_pthread_start + 70
    frame #7: 0x00007fff69cd8425 libsystem_pthread.dylib`thread_start + 13
  thread #11, name = 'worker'
    frame #0: 0x00007fff69c231b2 libsystem_kernel.dylib`__psynch_cvwait + 10
    frame #1: 0x00007fff69cdc5cb libsystem_pthread.dylib`_pthread_cond_wait + 724
    frame #2: 0x00000001031ecc22 libglib-2.0.0.dylib`g_cond_wait + 50
    frame #3: 0x00000001019c5ebf gimp-bin`gimp_parallel_distribute_thread_func(GimpParallelDistributeThread*) + 223
    frame #4: 0x00000001031bd29d libglib-2.0.0.dylib`g_thread_proxy + 189
    frame #5: 0x00007fff69cd933d libsystem_pthread.dylib`_pthread_body + 126
    frame #6: 0x00007fff69cdc2a7 libsystem_pthread.dylib`_pthread_start + 70
    frame #7: 0x00007fff69cd8425 libsystem_pthread.dylib`thread_start + 13
  thread #12
    frame #0: 0x00007fff69c215be libsystem_kernel.dylib`__workq_kernreturn + 10
    frame #1: 0x00007fff69cd8721 libsystem_pthread.dylib`_pthread_wqthread + 670
    frame #2: 0x00007fff69cd8415 libsystem_pthread.dylib`start_wqthread + 13
  thread #13
    frame #0: 0x00007fff69c215be libsystem_kernel.dylib`__workq_kernreturn + 10
    frame #1: 0x00007fff69cd8721 libsystem_pthread.dylib`_pthread_wqthread + 670
    frame #2: 0x00007fff69cd8415 libsystem_pthread.dylib`start_wqthread + 13
  thread #14
    frame #0: 0x00007fff69c215be libsystem_kernel.dylib`__workq_kernreturn + 10
    frame #1: 0x00007fff69cd8641 libsystem_pthread.dylib`_pthread_wqthread + 446
    frame #2: 0x00007fff69cd8415 libsystem_pthread.dylib`start_wqthread + 13
  thread #15
    frame #0: 0x00007fff69c231b2 libsystem_kernel.dylib`__psynch_cvwait + 10
    frame #1: 0x00007fff69cdc5cb libsystem_pthread.dylib`_pthread_cond_wait + 724
    frame #2: 0x00000001026c365b libgdk-quartz-2.0.0.dylib`select_thread_func + 139
    frame #3: 0x00007fff69cd933d libsystem_pthread.dylib`_pthread_body + 126
    frame #4: 0x00007fff69cdc2a7 libsystem_pthread.dylib`_pthread_start + 70
    frame #5: 0x00007fff69cd8425 libsystem_pthread.dylib`thread_start + 13
  thread #16
    frame #0: 0x00007fff69c26052 libsystem_kernel.dylib`kevent + 10
    frame #1: 0x0000000102e3be7b libgio-2.0.0.dylib`_kqueue_thread_func + 331
    frame #2: 0x00007fff69cd933d libsystem_pthread.dylib`_pthread_body + 126
    frame #3: 0x00007fff69cdc2a7 libsystem_pthread.dylib`_pthread_start + 70
    frame #4: 0x00007fff69cd8425 libsystem_pthread.dylib`thread_start + 13
  thread #17, name = 'com.apple.NSEventThread'
    frame #0: 0x00007fff69c1fc2a libsystem_kernel.dylib`mach_msg_trap + 10
    frame #1: 0x00007fff69c20174 libsystem_kernel.dylib`mach_msg + 60
    frame #2: 0x00007fff3ca5305e CoreFoundation`__CFRunLoopServiceMachPort + 337
    frame #3: 0x00007fff3ca525ad CoreFoundation`__CFRunLoopRun + 1654
    frame #4: 0x00007fff3ca51ce4 CoreFoundation`CFRunLoopRunSpecific + 463
    frame #5: 0x00007fff39fb1581 AppKit`_NSEventThread + 160
    frame #6: 0x00007fff69cd933d libsystem_pthread.dylib`_pthread_body + 126
    frame #7: 0x00007fff69cdc2a7 libsystem_pthread.dylib`_pthread_start + 70
    frame #8: 0x00007fff69cd8425 libsystem_pthread.dylib`thread_start + 13
  thread #18
    frame #0: 0x00007fff69c215be libsystem_kernel.dylib`__workq_kernreturn + 10
    frame #1: 0x00007fff69cd8721 libsystem_pthread.dylib`_pthread_wqthread + 670
    frame #2: 0x00007fff69cd8415 libsystem_pthread.dylib`start_wqthread + 13
  thread #19
    frame #0: 0x0000000000000000
  thread #20, name = 'pool'
    frame #0: 0x00007fff69c231b2 libsystem_kernel.dylib`__psynch_cvwait + 10
    frame #1: 0x00007fff69cdc5fe libsystem_pthread.dylib`_pthread_cond_wait + 775
    frame #2: 0x00000001031ecdf1 libglib-2.0.0.dylib`g_cond_wait_until + 145
    frame #3: 0x000000010313d1d8 libglib-2.0.0.dylib`g_async_queue_pop_intern_unlocked + 168
    frame #4: 0x000000010313d45f libglib-2.0.0.dylib`g_async_queue_timeout_pop_unlocked + 47
    frame #5: 0x00000001031be995 libglib-2.0.0.dylib`g_thread_pool_wait_for_new_task + 165
    frame #6: 0x00000001031be77a libglib-2.0.0.dylib`g_thread_pool_thread_proxy + 42
    frame #7: 0x00000001031bd29d libglib-2.0.0.dylib`g_thread_proxy + 189
    frame #8: 0x00007fff69cd933d libsystem_pthread.dylib`_pthread_body + 126
    frame #9: 0x00007fff69cdc2a7 libsystem_pthread.dylib`_pthread_start + 70
    frame #10: 0x00007fff69cd8425 libsystem_pthread.dylib`thread_start + 13
  thread #21, name = 'swap writer'
    frame #0: 0x00007fff69c231b2 libsystem_kernel.dylib`__psynch_cvwait + 10
    frame #1: 0x00007fff69cdc5cb libsystem_pthread.dylib`_pthread_cond_wait + 724
    frame #2: 0x00000001031ecc22 libglib-2.0.0.dylib`g_cond_wait + 50
    frame #3: 0x0000000102c32fd8 libgegl-0.4.0.dylib`gegl_tile_backend_swap_writer_thread + 120
    frame #4: 0x00000001031bd29d libglib-2.0.0.dylib`g_thread_proxy + 189
    frame #5: 0x00007fff69cd933d libsystem_pthread.dylib`_pthread_body + 126
    frame #6: 0x00007fff69cdc2a7 libsystem_pthread.dylib`_pthread_start + 70
    frame #7: 0x00007fff69cd8425 libsystem_pthread.dylib`thread_start + 13
Edited Oct 18, 2018 by Alex Samorukov
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Reference: GNOME/gimp#2281