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Mode locked and crash if objects become disabled in viewport while not in object mode (fixed in 3.6, 3.3 LTS issue only) #94633

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opened 2022-01-04 13:48:23 +01:00 by Henrik D. · 13 comments
Henrik D. commented 2022-01-04 13:48:23 +01:00
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System Information
Operating system: Linux-5.15.0-2-amd64-x86_64-with-glibc2.33 64 Bits
Graphics card: NVIDIA GeForce GTX 1070/PCIe/SSE2 NVIDIA Corporation 4.5.0 NVIDIA 470.86

Blender Version
Broken: version: 3.1.0 Alpha, branch: master, commit date: 2022-01-03 17:16, hash: b7ad58b945
Worked: didn't crash but showed an error message in 2.91.2, branch: master, commit date: 2021-01-19 16:15, hash: 5be9ef4177

Short description of error
Mode locked and crash if objects become disabled in viewport while not in object mode (fixed in 3.6, 3.3 LTS issue only)

Exact steps for others to reproduce the error

  • add a shapekey to the default cube
  • enter sculptmode
  • disable the cube in the viewport using the outliner as above
  • move mouse cursor to 3D view port, then Blender crashes

Original report

Short description of error
Objects that are in a mode which is not Edit Mode nor Object Mode, will lock the mode setting (so the mode options are greyed out and unusable) if they get disabled in the viewport. Hiding will not cause the this bug, it needs to be disabled in viewport using that display icon in the outliner, not the eye.

The solution for this is probably to make the disable in viewport action switch the mode to object mode if the active objects gets removed (much like delete from outliner). Another solution would be to still allow the mode switch.

Much worse though! Blender crashes sometimes when it gets into this state. I can reliably crash blender as described below.

Exact steps for others to reproduce the error
Go into weightpaint mode of the default cube and disable it in the viewport using the outliner (you need to enable the option first). Now you are stuck and have to enable it in the viewport first to be able to edit anything.

Now restart blender etc. and try this:

  1. Go into Vertex Paint Mode of the default cube
  2. Hit Tab to go into Edit Mode
  3. Disable the cube in the viewport using the outliner as above
  4. Hit Tab to switch out of Edit Mode -> Crash
**System Information** Operating system: Linux-5.15.0-2-amd64-x86_64-with-glibc2.33 64 Bits Graphics card: NVIDIA GeForce GTX 1070/PCIe/SSE2 NVIDIA Corporation 4.5.0 NVIDIA 470.86 **Blender Version** Broken: version: 3.1.0 Alpha, branch: master, commit date: 2022-01-03 17:16, hash: `b7ad58b945` Worked: didn't crash but showed an error message in 2.91.2, branch: master, commit date: 2021-01-19 16:15, hash: `5be9ef4177` **Short description of error** Mode locked and crash if objects become disabled in viewport while not in object mode (fixed in 3.6, 3.3 LTS issue only) **Exact steps for others to reproduce the error** - add a shapekey to the default cube - enter sculptmode - disable the cube in the viewport using the outliner as above - move mouse cursor to 3D view port, then Blender crashes **Original report** **Short description of error** Objects that are in a mode which is not Edit Mode nor Object Mode, will lock the mode setting (so the mode options are greyed out and unusable) if they get disabled in the viewport. Hiding will not cause the this bug, it needs to be disabled in viewport using that display icon in the outliner, not the eye. The solution for this is probably to make the disable in viewport action switch the mode to object mode if the active objects gets removed (much like delete from outliner). Another solution would be to still allow the mode switch. Much worse though! Blender crashes sometimes when it gets into this state. I can reliably crash blender as described below. **Exact steps for others to reproduce the error** Go into weightpaint mode of the default cube and disable it in the viewport using the outliner (you need to enable the option first). Now you are stuck and have to enable it in the viewport first to be able to edit anything. Now restart blender etc. and try this: 1. Go into Vertex Paint Mode of the default cube 2. Hit Tab to go into Edit Mode 3. Disable the cube in the viewport using the outliner as above 4. Hit Tab to switch out of Edit Mode -> Crash
Henrik D. commented 2022-01-04 13:48:23 +01:00
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Added subscriber: @HDMaster84

Added subscriber: @HDMaster84
blender-admin commented 2022-01-04 13:48:23 +01:00
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#95459 was marked as duplicate of this issue

#95459 was marked as duplicate of this issue
Richard Antalik commented 2022-01-05 03:07:40 +01:00
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Added subscriber: @iss

Added subscriber: @iss
Richard Antalik commented 2022-01-05 03:07:40 +01:00
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Changed status from 'Needs Triage' to: 'Confirmed'

Changed status from 'Needs Triage' to: 'Confirmed'
Richard Antalik commented 2022-01-05 03:07:40 +01:00
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Can confirm locked modes and crash on NULL dereference

>	blender.exe!sculpt_update_object(Depsgraph * depsgraph, Object * ob, Mesh * me_eval, bool need_pmap, bool need_mask, bool UNUSED_need_colors) Line 1670	C

 	blender.exe!BKE_sculpt_update_object_for_edit(Depsgraph * depsgraph, Object * ob_orig, bool need_pmap, bool need_mask, bool need_colors) Line 1806	C
 	blender.exe!vertex_paint_init_session(Depsgraph * depsgraph, Scene * scene, Object * ob, eObjectMode object_mode) Line 1117	C
 	blender.exe!ed_vwpaintmode_enter_generic(Main * bmain, Depsgraph * depsgraph, Scene * scene, Object * ob, const eObjectMode mode_flag) Line 1256	C
 	blender.exe!ED_object_vpaintmode_enter_ex(Main * bmain, Depsgraph * depsgraph, Scene * scene, Object * ob) Line 1262	C
 	blender.exe!vpaint_mode_toggle_exec(bContext * C, wmOperator * op) Line 2625	C
 	blender.exe!wm_operator_invoke(bContext * C, wmOperatorType * ot, wmEvent * event, PointerRNA * properties, ReportList * reports, const bool poll_only, bool use_last_properties) Line 1325	C
 	blender.exe!wm_operator_call_internal(bContext * C, wmOperatorType * ot, PointerRNA * properties, ReportList * reports, const wmOperatorCallContext context, const bool poll_only, wmEvent * event) Line 1520	C
 	blender.exe!WM_operator_name_call_ptr(bContext * C, wmOperatorType * ot, wmOperatorCallContext context, PointerRNA * properties) Line 1568	C
 	blender.exe!ED_object_mode_set_ex(bContext * C, eObjectMode mode, bool use_undo, ReportList * reports) Line 219	C
 	blender.exe!object_mode_set_exec(bContext * C, wmOperator * op) Line 1750	C
 	blender.exe!wm_operator_invoke(bContext * C, wmOperatorType * ot, wmEvent * event, PointerRNA * properties, ReportList * reports, const bool poll_only, bool use_last_properties) Line 1325	C
 	blender.exe!wm_handler_operator_call(bContext * C, ListBase * handlers, wmEventHandler * handler_base, wmEvent * event, PointerRNA * properties, const unsigned char * kmi_idname) Line 2314	C
 	blender.exe!wm_handlers_do_keymap_with_keymap_handler(bContext * C, wmEvent * event, ListBase * handlers, wmEventHandler_Keymap * handler, wmKeyMap * keymap, const bool do_debug_handler) Line 2667	C
 	blender.exe!wm_handlers_do_intern(bContext * C, wmWindow * win, wmEvent * event, ListBase * handlers) Line 2994	C
 	blender.exe!wm_handlers_do(bContext * C, wmEvent * event, ListBase * handlers) Line 3129	C
 	blender.exe!wm_event_do_handlers(bContext * C) Line 3690	C
 	blender.exe!WM_main(bContext * C) Line 642	C
 	blender.exe!main(int argc, const unsigned char * * UNUSED_argv_c) Line 565	C
 	[External Code]
Can confirm locked modes and crash on NULL dereference ``` > blender.exe!sculpt_update_object(Depsgraph * depsgraph, Object * ob, Mesh * me_eval, bool need_pmap, bool need_mask, bool UNUSED_need_colors) Line 1670 C blender.exe!BKE_sculpt_update_object_for_edit(Depsgraph * depsgraph, Object * ob_orig, bool need_pmap, bool need_mask, bool need_colors) Line 1806 C blender.exe!vertex_paint_init_session(Depsgraph * depsgraph, Scene * scene, Object * ob, eObjectMode object_mode) Line 1117 C blender.exe!ed_vwpaintmode_enter_generic(Main * bmain, Depsgraph * depsgraph, Scene * scene, Object * ob, const eObjectMode mode_flag) Line 1256 C blender.exe!ED_object_vpaintmode_enter_ex(Main * bmain, Depsgraph * depsgraph, Scene * scene, Object * ob) Line 1262 C blender.exe!vpaint_mode_toggle_exec(bContext * C, wmOperator * op) Line 2625 C blender.exe!wm_operator_invoke(bContext * C, wmOperatorType * ot, wmEvent * event, PointerRNA * properties, ReportList * reports, const bool poll_only, bool use_last_properties) Line 1325 C blender.exe!wm_operator_call_internal(bContext * C, wmOperatorType * ot, PointerRNA * properties, ReportList * reports, const wmOperatorCallContext context, const bool poll_only, wmEvent * event) Line 1520 C blender.exe!WM_operator_name_call_ptr(bContext * C, wmOperatorType * ot, wmOperatorCallContext context, PointerRNA * properties) Line 1568 C blender.exe!ED_object_mode_set_ex(bContext * C, eObjectMode mode, bool use_undo, ReportList * reports) Line 219 C blender.exe!object_mode_set_exec(bContext * C, wmOperator * op) Line 1750 C blender.exe!wm_operator_invoke(bContext * C, wmOperatorType * ot, wmEvent * event, PointerRNA * properties, ReportList * reports, const bool poll_only, bool use_last_properties) Line 1325 C blender.exe!wm_handler_operator_call(bContext * C, ListBase * handlers, wmEventHandler * handler_base, wmEvent * event, PointerRNA * properties, const unsigned char * kmi_idname) Line 2314 C blender.exe!wm_handlers_do_keymap_with_keymap_handler(bContext * C, wmEvent * event, ListBase * handlers, wmEventHandler_Keymap * handler, wmKeyMap * keymap, const bool do_debug_handler) Line 2667 C blender.exe!wm_handlers_do_intern(bContext * C, wmWindow * win, wmEvent * event, ListBase * handlers) Line 2994 C blender.exe!wm_handlers_do(bContext * C, wmEvent * event, ListBase * handlers) Line 3129 C blender.exe!wm_event_do_handlers(bContext * C) Line 3690 C blender.exe!WM_main(bContext * C) Line 642 C blender.exe!main(int argc, const unsigned char * * UNUSED_argv_c) Line 565 C [External Code] ```
Pratik Borhade commented 2022-02-04 02:23:18 +01:00
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Added subscribers: @Zcyber, @PratikPB2123

Added subscribers: @Zcyber, @PratikPB2123
blender-admin commented 2022-07-11 08:39:45 +02:00
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This issue was referenced by 066bf316ce

This issue was referenced by 066bf316ced0ad3f82336090508bc5972b162794
blender-admin commented 2022-07-11 08:39:45 +02:00
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This issue was referenced by cb39058f2f

This issue was referenced by cb39058f2f31815279ac72fce08ead7cbc979517
Joseph Eagar commented 2022-07-11 08:43:17 +02:00
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Changed status from 'Confirmed' to: 'Resolved'

Changed status from 'Confirmed' to: 'Resolved'
Joseph Eagar self-assigned this 2022-07-11 08:43:17 +02:00
Yutaka Fukumoto commented 2022-08-21 10:30:31 +02:00
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I am the person who reported this glitch, it is said that it's solved, but it still happens in latest Blender version 3.2.2. Please check it again.

When object has at least one shape key, same glitch happens.
For example there is a cube, and it has a shape key and I select this cube and activate sculpt mode and hide it using "Disable in Viewports" after that move mouse cursor to 3D view port, then Blender crashes.

I checked crash log and it says

Exception Record:

ExceptionCode : EXCEPTION_ACCESS_VIOLATION
Exception Address : 0x00007FF791F64EAD
Exception Module : blender.exe
Exception Flags : 0x00000000
Exception Parameters : 0x2
Parameters- [x] : 0x0000000000000000
Parameters- [x] : 0x0000000000000720

I am the person who reported this glitch, it is said that it's solved, but it still happens in latest Blender version 3.2.2. Please check it again. When object has at least one shape key, same glitch happens. For example there is a cube, and it has a shape key and I select this cube and activate sculpt mode and hide it using "Disable in Viewports" after that move mouse cursor to 3D view port, then Blender crashes. I checked crash log and it says Exception Record: ExceptionCode : EXCEPTION_ACCESS_VIOLATION Exception Address : 0x00007FF791F64EAD Exception Module : blender.exe Exception Flags : 0x00000000 Exception Parameters : 0x2 Parameters- [x] : 0x0000000000000000 Parameters- [x] : 0x0000000000000720
Pratik Borhade commented 2022-08-21 11:00:16 +02:00
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Changed status from 'Resolved' to: 'Confirmed'

Changed status from 'Resolved' to: 'Confirmed'
Pratik Borhade commented 2022-08-21 11:00:16 +02:00
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Can still repro the crash

Can still repro the crash
Philipp Oeser removed the
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Philipp Oeser commented 2024-03-04 09:20:09 +01:00
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Can still repro in 3.3.16 LTS, but this seems fixed in 3.6.

Will update repro steps and mark as an 3.3 LTS issue only...

Can still repro in 3.3.16 LTS, but this seems fixed in 3.6. Will update repro steps and mark as an 3.3 LTS issue only...
Philipp Oeser added this to the 3.3 LTS milestone 2024-03-04 09:20:24 +01:00
Philipp Oeser changed title from Mode locked and crash if objects become disabled in viewport while not in object mode to Mode locked and crash if objects become disabled in viewport while not in object mode (fixed in 3.6, 3.3 LTS issue only) 2024-03-04 09:20:45 +01:00
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