Unwrap crashes blender #42524

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dd · 2014-11-06T15:45:01+01:00

dd commented

2014-11-06 15:45:01 +01:00

System Information
win7 64 / quadro 4000

Blender Version
Broken: (example: 2.72b 64 bit official)
Worked: (same crash in 2.67)

Short description of error
Created a curatin aranged in a circle. when trying to unwrap, -blender crashes.

Exact steps for others to reproduce the error
Load blend testfile (see pasteall link).
20141106_unwrapBug1.blend
Enter editmode. select all. hit u for unwrap.

blender crashes

Maybe a hint:
deleting one loop, will prevent from crashing.
See this file:
20141106_unwrapBug2.blend

cheers, dave

**System Information** win7 64 / quadro 4000 **Blender Version** Broken: (example: 2.72b 64 bit official) Worked: (same crash in 2.67) **Short description of error** Created a curatin aranged in a circle. when trying to unwrap, -blender crashes. **Exact steps for others to reproduce the error** Load blend testfile (see pasteall link). [20141106_unwrapBug1.blend](https://archive.blender.org/developer/F122324/20141106_unwrapBug1.blend) Enter editmode. select all. hit u for unwrap. - blender crashes Maybe a hint: deleting one loop, will prevent from crashing. See this file: [20141106_unwrapBug2.blend](https://archive.blender.org/developer/F122326/20141106_unwrapBug2.blend) cheers, dave

dd commented

2014-11-06 15:45:01 +01:00

Changed status to: 'Open'

dd commented

2014-11-06 15:45:01 +01:00

Added subscriber: @DavidGellhardt

Antonis Ryakiotakis commented

2014-11-06 16:26:35 +01:00

Added subscriber: @Psy-Fi

Antonis Ryakiotakis commented

2014-11-06 16:26:35 +01:00

I can't reproduce on linux64, will try on windows later.

Jacob Morris commented

2014-11-07 03:31:00 +01:00

Added subscriber: @BlendingJake

Jacob Morris commented

2014-11-07 03:31:00 +01:00

@Psy-Fi I can confirm, Windows 8.1, Blender 2.72b 9e963ae. Smart UV project and cube project work, they just take a little bit. Straight UV Unwrap makes it go unresponsive and then crash.

@Psy-Fi I can confirm, Windows 8.1, Blender 2.72b 9e963ae. Smart UV project and cube project work, they just take a little bit. Straight UV Unwrap makes it go unresponsive and then crash.

Bastien Montagne commented

2014-11-07 08:57:45 +01:00

Added subscribers: @MartijnBerger, @ThomasDinges, @mont29

Bastien Montagne commented

2014-11-07 08:57:45 +01:00

I can confirm that I cannot confirm that bug on linux64… :P

Martijn, Thomas, mind checking that on a win machine? Thanks.

I can confirm that I cannot confirm that bug on linux64… :P Martijn, Thomas, mind checking that on a win machine? Thanks.

Julian Eisel commented

2014-11-11 20:19:10 +01:00

Added subscriber: @JulianEisel

Julian Eisel commented

2014-11-11 20:19:10 +01:00

Can confirm on Windows 7 64 Bit.

Ajlan Altug commented

2014-11-12 18:17:52 +01:00

Added subscriber: @ajlanaltug

Ajlan Altug commented

2014-11-12 18:17:52 +01:00

Tested it and it works on my side (w7 SP1, 2.72b)

Riccardo Giovanetti commented

2014-11-12 20:08:58 +01:00

Added subscriber: @Harvester

Riccardo Giovanetti commented

2014-11-12 20:08:58 +01:00

I can confirm the above described behaviour here on i7 Win7Pro 64bit w/SP1, with Blender 2.72b, 2.71, and 2.72.1 (Hash: 5c6e333) all ZIP builds: Blender crashes when UV unwrapping (all the UV unwrap modes work properly except for Unwrap). No crash if I dissolve the middle horizontal loopcut before unwrapping, but as soon I loopcut in the middle of the mesh and try to unwrap again Blender crashes. Below is the last portion of the console messages starting from the first attached test file opening:

read blend: C:\Users[USERNAME]\Desktop\20141106_unwrapBug1.blend
read file C:\Users[USERNAME]\Desktop\20141106_unwrapBug1.blend

Version 272 sub 2 date 2014-11-06 19:19 hash 0627bc2

ordered
OBCircle
OBCircle.001
OBLamp
OBCamera
ED_screen_refresh: set screen
DAG_id_tag_update_ex: id=OBCircle.001 flag=2
bpy.ops.object.editmode_toggle()
WM_operator_last_properties_store: storing properties for 'OBJECT_OT_editmode_to
ggle'
ED_undo_push: Toggle Editmode
DAG_id_tag_update_ex: id=SCScene flag=7
bpy.ops.wm.open_mainfile(filepath="C:\Users\[USERNAME]\Desktop\2014110
6_unwrapBug1.blend", load_ui=False, use_scripts=False)
WM_operator_last_properties_store: storing properties for 'WM_OT_open_mainfile'
Thread 0: update object OBCircle.001
recalcob Circle.001
recalcdata Circle.001
Thread 2: update object OBCircle
recalcob Circle
recalcdata Circle
Thread 0: total 1 objects in 0.000815 sec.

Circle.001 in 0.000815 sec

Thread 1: total 0 objects in 0.000000 sec.
Thread 2: total 1 objects in 0.000459 sec.

Circle in 0.000459 sec

Thread 3: total 0 objects in 0.000000 sec.
Thread 4: total 0 objects in 0.000000 sec.
Thread 5: total 0 objects in 0.000000 sec.
Thread 6: total 0 objects in 0.000000 sec.
Thread 7: total 0 objects in 0.000000 sec.
Tile size: 32x32 (30x17 tiles)
uiPupMenuInvoke: opening menu "VIEW3D_MT_uv_map"
wm_handlers_do_intern: handled! 'WM_OT_call_menu'
DAG_id_tag_update_ex: id=MECircle.001 flag=0
DAG_id_tag_update_ex: id=MECircle.001 flag=0

D:\Blender_2.72_stable>

Hope it helps.

I can confirm the above described behaviour here on i7 Win7Pro 64bit w/SP1, with Blender 2.72b, 2.71, and 2.72.1 (Hash: 5c6e333) all ZIP builds: Blender crashes when UV unwrapping (all the UV unwrap modes work properly except for Unwrap). No crash if I dissolve the middle horizontal loopcut before unwrapping, but as soon I loopcut in the middle of the mesh and try to unwrap again Blender crashes. Below is the last portion of the console messages starting from the first attached test file opening: read blend: C:\Users\[USERNAME]\Desktop\20141106_unwrapBug1.blend read file C:\Users\[USERNAME]\Desktop\20141106_unwrapBug1.blend ``` Version 272 sub 2 date 2014-11-06 19:19 hash 0627bc2 ``` ordered OBCircle OBCircle.001 OBLamp OBCamera ED_screen_refresh: set screen DAG_id_tag_update_ex: id=OBCircle.001 flag=2 bpy.ops.object.editmode_toggle() WM_operator_last_properties_store: storing properties for 'OBJECT_OT_editmode_to ggle' ED_undo_push: Toggle Editmode DAG_id_tag_update_ex: id=SCScene flag=7 bpy.ops.wm.open_mainfile(filepath="C:\\Users\\[USERNAME]\\Desktop\\2014110 6_unwrapBug1.blend", load_ui=False, use_scripts=False) WM_operator_last_properties_store: storing properties for 'WM_OT_open_mainfile' Thread 0: update object OBCircle.001 recalcob Circle.001 recalcdata Circle.001 Thread 2: update object OBCircle recalcob Circle recalcdata Circle Thread 0: total 1 objects in 0.000815 sec. ``` Circle.001 in 0.000815 sec ``` Thread 1: total 0 objects in 0.000000 sec. Thread 2: total 1 objects in 0.000459 sec. ``` Circle in 0.000459 sec ``` Thread 3: total 0 objects in 0.000000 sec. Thread 4: total 0 objects in 0.000000 sec. Thread 5: total 0 objects in 0.000000 sec. Thread 6: total 0 objects in 0.000000 sec. Thread 7: total 0 objects in 0.000000 sec. Tile size: 32x32 (30x17 tiles) uiPupMenuInvoke: opening menu "VIEW3D_MT_uv_map" wm_handlers_do_intern: handled! 'WM_OT_call_menu' DAG_id_tag_update_ex: id=MECircle.001 flag=0 DAG_id_tag_update_ex: id=MECircle.001 flag=0 D:\Blender_2.72_stable> Hope it helps.

Sergey Sharybin commented

2014-12-09 22:27:54 +01:00

Changed status from 'Open' to: 'Archived'

Sergey Sharybin closed this issue

2014-12-09 22:27:54 +01:00

Sergey Sharybin self-assigned this 2014-12-09 22:27:54 +01:00

Sergey Sharybin commented

2014-12-09 22:27:54 +01:00

The issue is, there's no marked seems in the mesh, which makes the mesh to be rather tricky system of equations to b solved. Current solver uses recursive calls in some places, which makes it to run out of stack space and crash.

it's nothing we can do with current solver really, better to switch to LU solver from Eigen. For now just mark some seams to help the solver.

Thanks for the report, moving to a TODO now http://wiki.blender.org/index.php/Dev:2.5/Source/Development/Todo/Tools#UV_Unwrapping

The issue is, there's no marked seems in the mesh, which makes the mesh to be rather tricky system of equations to b solved. Current solver uses recursive calls in some places, which makes it to run out of stack space and crash. it's nothing we can do with current solver really, better to switch to LU solver from Eigen. For now just mark some seams to help the solver. Thanks for the report, moving to a TODO now http://wiki.blender.org/index.php/Dev:2.5/Source/Development/Todo/Tools#UV_Unwrapping

Campbell Barton commented

2016-07-21 22:21:04 +02:00

Added subscriber: @ideasman42

Campbell Barton commented

2016-07-21 22:21:04 +02:00

Changed status from 'Archived' to: 'Resolved'

Campbell Barton commented

2016-07-21 22:21:04 +02:00

Using Eigen resolves this bug, closing.

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Unwrap crashes blender #42524