Assert failure in Bevel code #49296

New Issue

Sergey Sharybin · 2016-09-08T15:20:43+02:00

Sergey Sharybin commented

2016-09-08 15:20:43 +02:00

System Information

Linux Debian stable, GTX1080.

Blender Version

Broken: Current master, compiled in debug
Worked: Don't feel compiling debug versions of all previous Blenders, in release build the isue does not happen

Short description of error

Blender asserts from with bevel code when opening the attached file:

P392: Bevel stacktrace

#0  0x00007ffff460e067 in __GI_raise (sig=sig@entry=6) at ../nptl/sysdeps/unix/sysv/linux/raise.c:56
#1  0x00007ffff460f448 in __GI_abort () at abort.c:89
#2  0x000000000141b574 in mesh_vert_canon (vm=0x7fffc373e1d0, i=2, j=1, k=5) at /home/sergey/src/blender/blender/source/blender/bmesh/tools/bmesh_bevel.c:2079
#3  0x000000000141c290 in interp_vmesh (bp=0x7fffe43f92c0, vm0=0x7fffc373e1d0, nseg=3) at /home/sergey/src/blender/blender/source/blender/bmesh/tools/bmesh_bevel.c:2299
#4  0x000000000141ddd1 in adj_vmesh (bp=0x7fffe43f92c0, bv=0x7fffc371afa8) at /home/sergey/src/blender/blender/source/blender/bmesh/tools/bmesh_bevel.c:2719
#5  0x000000000141fe6d in bevel_build_rings (bp=0x7fffe43f92c0, bm=0x7fffc52e8f08, bv=0x7fffc371afa8) at /home/sergey/src/blender/blender/source/blender/bmesh/tools/bmesh_bevel.c:2883
#6  0x000000000142291a in build_vmesh (bp=0x7fffe43f92c0, bm=0x7fffc52e8f08, bv=0x7fffc371afa8) at /home/sergey/src/blender/blender/source/blender/bmesh/tools/bmesh_bevel.c:3357
#7  0x00000000014331a3 in BM_mesh_bevel (bm=0x7fffc52e8f08, offset=0.00849999767, offset_type=0, segments=3, profile=0.5, vertex_only=false, use_weights=false, limit_offset=true, dvert=0x0, vertex_group=-1, mat=-1, loop_slide=true)
    at /home/sergey/src/blender/blender/source/blender/bmesh/tools/bmesh_bevel.c:4530
#8  0x00000000012dac8d in applyModifier (md=0x7fffd2ceba48, ob=0x7fffd2cf1008, dm=0x7fffc53e3008, UNUSED_flag=(MOD_APPLY_USECACHE | MOD_APPLY_ALLOW_GPU)) at /home/sergey/src/blender/blender/source/blender/modifiers/intern/MOD_bevel.c:175
#9  0x0000000001767b1f in modwrap_applyModifier (md=0x7fffd2ceba48, ob=0x7fffd2cf1008, dm=0x7fffc53e3008, flag=(MOD_APPLY_USECACHE | MOD_APPLY_ALLOW_GPU)) at /home/sergey/src/blender/blender/source/blender/blenkernel/intern/modifier.c:744
#10 0x000000000160c1dc in mesh_calc_modifiers (scene=0x7fffe816e008, ob=0x7fffd2cf1008, inputVertexCos=0x0, useRenderParams=false, useDeform=1, need_mapping=false, dataMask=637534217, index=-1, useCache=true, build_shapekey_layers=false, allow_gpu=true, 
    r_deform=0x7fffd2cf1518, r_final=0x7fffd2cf1520) at /home/sergey/src/blender/blender/source/blender/blenkernel/intern/DerivedMesh.c:2058
#11 0x000000000160e337 in mesh_build_data (scene=0x7fffe816e008, ob=0x7fffd2cf1008, dataMask=637534217, build_shapekey_layers=false, need_mapping=false) at /home/sergey/src/blender/blender/source/blender/blenkernel/intern/DerivedMesh.c:2611
#12 0x000000000160e730 in makeDerivedMesh (scene=0x7fffe816e008, ob=0x7fffd2cf1008, em=0x0, dataMask=637534217, build_shapekey_layers=false) at /home/sergey/src/blender/blender/source/blender/blenkernel/intern/DerivedMesh.c:2708
#13 0x000000000179d66e in BKE_object_handle_data_update (eval_ctx=0x7fffe6cbcd48, scene=0x7fffe816e008, ob=0x7fffd2cf1008) at /home/sergey/src/blender/blender/source/blender/blenkernel/intern/object_update.c:201
#14 0x0000000001793cda in BKE_object_handle_update_ex (eval_ctx=0x7fffe6cbcd48, scene=0x7fffe816e008, ob=0x7fffd2cf1008, rbw=0x0, do_proxy_update=false) at /home/sergey/src/blender/blender/source/blender/blenkernel/intern/object.c:2692
#15 0x00000000017e873f in scene_update_object_func (pool=0x7fffecaf3208, taskdata=0x7fffc6137c08, threadid=6) at /home/sergey/src/blender/blender/source/blender/blenkernel/intern/scene.c:1497
#16 0x0000000001b0c831 in task_scheduler_thread_run (thread_p=0x7ffff17f96d8) at /home/sergey/src/blender/blender/source/blender/blenlib/intern/task.c:326
#17 0x00007ffff5ec90a4 in start_thread (arg=0x7fffe43fa700) at pthread_create.c:309
#18 0x00007ffff46c187d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:111

Exact steps for others to reproduce the error

Just open this file: test.blend

**System Information** Linux Debian stable, GTX1080. **Blender Version** Broken: Current master, compiled in debug Worked: Don't feel compiling debug versions of all previous Blenders, in release build the isue does not happen **Short description of error** Blender asserts from with bevel code when opening the attached file: [P392: Bevel stacktrace](https://archive.blender.org/developer/P392.txt) ``` #0 0x00007ffff460e067 in __GI_raise (sig=sig@entry=6) at ../nptl/sysdeps/unix/sysv/linux/raise.c:56 #1 0x00007ffff460f448 in __GI_abort () at abort.c:89 #2 0x000000000141b574 in mesh_vert_canon (vm=0x7fffc373e1d0, i=2, j=1, k=5) at /home/sergey/src/blender/blender/source/blender/bmesh/tools/bmesh_bevel.c:2079 #3 0x000000000141c290 in interp_vmesh (bp=0x7fffe43f92c0, vm0=0x7fffc373e1d0, nseg=3) at /home/sergey/src/blender/blender/source/blender/bmesh/tools/bmesh_bevel.c:2299 #4 0x000000000141ddd1 in adj_vmesh (bp=0x7fffe43f92c0, bv=0x7fffc371afa8) at /home/sergey/src/blender/blender/source/blender/bmesh/tools/bmesh_bevel.c:2719 #5 0x000000000141fe6d in bevel_build_rings (bp=0x7fffe43f92c0, bm=0x7fffc52e8f08, bv=0x7fffc371afa8) at /home/sergey/src/blender/blender/source/blender/bmesh/tools/bmesh_bevel.c:2883 #6 0x000000000142291a in build_vmesh (bp=0x7fffe43f92c0, bm=0x7fffc52e8f08, bv=0x7fffc371afa8) at /home/sergey/src/blender/blender/source/blender/bmesh/tools/bmesh_bevel.c:3357 #7 0x00000000014331a3 in BM_mesh_bevel (bm=0x7fffc52e8f08, offset=0.00849999767, offset_type=0, segments=3, profile=0.5, vertex_only=false, use_weights=false, limit_offset=true, dvert=0x0, vertex_group=-1, mat=-1, loop_slide=true) at /home/sergey/src/blender/blender/source/blender/bmesh/tools/bmesh_bevel.c:4530 #8 0x00000000012dac8d in applyModifier (md=0x7fffd2ceba48, ob=0x7fffd2cf1008, dm=0x7fffc53e3008, UNUSED_flag=(MOD_APPLY_USECACHE | MOD_APPLY_ALLOW_GPU)) at /home/sergey/src/blender/blender/source/blender/modifiers/intern/MOD_bevel.c:175 #9 0x0000000001767b1f in modwrap_applyModifier (md=0x7fffd2ceba48, ob=0x7fffd2cf1008, dm=0x7fffc53e3008, flag=(MOD_APPLY_USECACHE | MOD_APPLY_ALLOW_GPU)) at /home/sergey/src/blender/blender/source/blender/blenkernel/intern/modifier.c:744 #10 0x000000000160c1dc in mesh_calc_modifiers (scene=0x7fffe816e008, ob=0x7fffd2cf1008, inputVertexCos=0x0, useRenderParams=false, useDeform=1, need_mapping=false, dataMask=637534217, index=-1, useCache=true, build_shapekey_layers=false, allow_gpu=true, r_deform=0x7fffd2cf1518, r_final=0x7fffd2cf1520) at /home/sergey/src/blender/blender/source/blender/blenkernel/intern/DerivedMesh.c:2058 #11 0x000000000160e337 in mesh_build_data (scene=0x7fffe816e008, ob=0x7fffd2cf1008, dataMask=637534217, build_shapekey_layers=false, need_mapping=false) at /home/sergey/src/blender/blender/source/blender/blenkernel/intern/DerivedMesh.c:2611 #12 0x000000000160e730 in makeDerivedMesh (scene=0x7fffe816e008, ob=0x7fffd2cf1008, em=0x0, dataMask=637534217, build_shapekey_layers=false) at /home/sergey/src/blender/blender/source/blender/blenkernel/intern/DerivedMesh.c:2708 #13 0x000000000179d66e in BKE_object_handle_data_update (eval_ctx=0x7fffe6cbcd48, scene=0x7fffe816e008, ob=0x7fffd2cf1008) at /home/sergey/src/blender/blender/source/blender/blenkernel/intern/object_update.c:201 #14 0x0000000001793cda in BKE_object_handle_update_ex (eval_ctx=0x7fffe6cbcd48, scene=0x7fffe816e008, ob=0x7fffd2cf1008, rbw=0x0, do_proxy_update=false) at /home/sergey/src/blender/blender/source/blender/blenkernel/intern/object.c:2692 #15 0x00000000017e873f in scene_update_object_func (pool=0x7fffecaf3208, taskdata=0x7fffc6137c08, threadid=6) at /home/sergey/src/blender/blender/source/blender/blenkernel/intern/scene.c:1497 #16 0x0000000001b0c831 in task_scheduler_thread_run (thread_p=0x7ffff17f96d8) at /home/sergey/src/blender/blender/source/blender/blenlib/intern/task.c:326 #17 0x00007ffff5ec90a4 in start_thread (arg=0x7fffe43fa700) at pthread_create.c:309 #18 0x00007ffff46c187d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:111 ``` **Exact steps for others to reproduce the error** Just open this file: [test.blend](https://archive.blender.org/developer/F356116/test.blend)

Howard Trickey was assigned by Sergey Sharybin

2016-09-08 15:20:43 +02:00

Sergey Sharybin commented

2016-09-08 15:20:43 +02:00

Changed status to: 'Open'