Crash entering Edit Mode related to NULL CD_FACEMAP (fixed in 3.6, only relevant for 3.3. LTS) #68629
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Reference: blender/blender#68629
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System Information
Operating system: Windows 10 1903 (18362.239)
Graphics card: Intel HD Graphics 4000
Blender Version
Broken:
Blender 2.80 (sub 75) / 2019-07-29 09:44 AM Windows / Stable
Blender 2.81 (sub 1), branch: master, commit date: 2019-08-13 11:31, hash:
6f9cbbc8ecWorked:
Blender 2.79 (copied mesh over through copybuffer.blend)
Short description of error
When entering edit mode of a specific object Blender crashes with EXCEPTION_ACCESS_VIOLATION. Logs and example .blend provided.
The issue shouldn't be in my GPU, since the same issue persists even with Software Rendering.
Exact steps for others to reproduce the error
Open up example file
window_broken.blend
Select
window_panesand enter Edit ModeGet EXCEPTION_ACCESS_VIOLATION
Logs (2.80
blender_factory_startup)blender_system_info.txt
blender_debug_output.txt
Logs (2.81
blender_factory_startup)blender_system_info.txt
blender_debug_output.txt
Added subscriber: @vignette
#69054 was marked as duplicate of this issue
Added subscriber: @mont29
Changed status from 'Open' to: 'Archived'
You are using a 4 years old GPU driver. Please go to intel site and update it.
I have a few counterpoints to that. Please read them throughly.
Firstly, as I described in the short description of the error:
This was done using the opengl32.dll provided by you guys from here.
For safety sakes, I've appended the logs from the Blender while in Software Rendering mode.
blender_system_info.txt
blender_debug_output.txt
While it is true that didn't have the latest Intel drivers (my mistake), the issue is still present in the latest Intel drivers. Again, logs are below.
blender_system_info.txt
blender_debug_output.txt
And just to make sure that the crash isn't related to my GPU driver or Windows setup I tested it in a Linux environment.
window_broken.crash.txt
Please consider reopening this issue.
Added subscriber: @dark999
i can confirm, i have a crash with test .blend file on linux Blender 2.80-Stable AMD FX8350, 16GB DDR3, GTX690 2+2 GB VRam- Nvidia drivers 430.40
T68629_window_broken.crash.txt
Changed status from 'Archived' to: 'Open'
Indeed you are right, sorry... Will investigate further.
Added subscriber: @ideasman42
@ideasman42 I believe that one would be for you?
Crash happens in
CustomData_to_bmesh_block()while trying to copy aCD_FACEMAPlayer which source'sCustomDataLayerhas a NULLdatapointer... I'd say NULL pointer here should never happen? Code is not expecting such thing in any case.Added subscriber: @jfmatheu
I confirm this is happening. Crashes with just clicking at edit mode
Broken: version: 2.80 (sub 75), branch: master, commit date: 2019-07-29 14:47, hash:
f6cb5f5449Operating system: Windows-10-10.0.18362 64 Bits
Graphics card: Radeon RX 580 Series ATI Technologies Inc. 4.5.13570 Core Profile Context 19.8.1 26.20.13001.29010
Added subscribers: @ardicilliq, @dfelinto, @AbidMaqbool
Added subscriber: @dr.sybren
Still happens on Blender 2.82 alpha @ 756b9acaf5:
which is indeed in
CustomData_to_bmesh_block().Added subscriber: @dmcoder
I would like to work on fixing this bug.
@vignette Can you provide the exact steps you took to make the .blend file you provided?
It's been a long time since I've visited that project, however I do remember that the model was initially created in Blender 2.79 and then opened in 2.80 where it started crashing.
Can still repro a crash going into editmode in 3.3.16 LTS.
3.4 and 3.5 crash on opening the file.
3.6 on the other hand can open the file again (and can also go into editmode).
Will mark as a 3.3. LTS issue only (in csae we still want to backport fix for it if it can be found).
EXCEPTION_ACCESS_VIOLATION when entering Edit Modeto EXCEPTION_ACCESS_VIOLATION when entering Edit Mode (fixed in 3.6, only relevant for 3.3. LTS)EXCEPTION_ACCESS_VIOLATION when entering Edit Mode (fixed in 3.6, only relevant for 3.3. LTS)to Crash entering Edit Mode related to NULL CD_FACEMAP (fixed in 3.6, only relevant for 3.3. LTS)