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Maniphest T49881

Segfault on save over current file name - repeatable, not 100%
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Description

System Information
System Info Attached

Blender Version
Broken: 2.77a, 2.78a

Three crash reports attached.

Saving the file without changing the name causes a segfault - this is repeatable on my system with the attached .blend most of the time, however it does not occur with other files (for example I can save over the startup file without issue)
I have older versions of this file which do not seem to cause the issue, however after reverting to one and working for a while the issue seems to reappear.

The mesh and armature are created with ManuelBastioniLab.

Exact steps for others to reproduce the error
Attempt to save the .blend without changing the name.

system-info.txt12 KBDownload

2.78a_crashOnSave_OSX.txt64 KBDownload

2.78a_crashOnSave3.txt64 KBDownload

hero_working_IK_2.blend2 MBDownload

2.78a_crashOnSave2.txt68 KBDownload

Event Timeline

Andrew Musto (Arcevitis) created this task.Oct 29 2016, 6:57 PM
Bastien Montagne (mont29) lowered the priority of this task from 90 to 30.Oct 30 2016, 8:56 AM
Bastien Montagne (mont29) added a subscriber: Bastien Montagne (mont29).

Cannot reproduce, tried to save at least 20 times in a row, changing bone selection, PoV in 3DView… Steady as a rock here for me.

So guess we'll need more info about how to get it crashing (do you do something specific before saving? etc.)

Bastien Montagne (mont29) removed a project: BF Blender: After Release.Oct 30 2016, 8:56 AM
Andrew Musto (Arcevitis) added a comment.Oct 30 2016, 9:18 PM

Can't seem to nail down a specific step to generate the issue - simply continuing editing the mesh for enough time reproduces the issue, also adding/deleting materials, remapping UV projections... all from the same start file. Sorry I can't find more specific detail; it's a very odd problem.

For clarity, the crash never occurs unless I am trying to overwrite the current working file - if I save as some other name it works perfectly.

Vuk Gardašević (lijenstina) added a project: Platform: macOS.Oct 31 2016, 2:11 PM
Bastien Montagne (mont29) raised the priority of this task from 30 to Normal.Nov 14 2016, 9:04 AM
Bastien Montagne (mont29) added a project: BF Blender: Unconfirmed.

The issue reported can't be reproduced so far, and has been moved to the BF Blender: Unconfirmed project.
If 2 other people aren't able to redo the bug after 2 weeks, it will be closed.

Aaron Carlisle (Blendify) changed the task status from Unknown Status to Unknown Status.Feb 2 2017, 3:58 PM
Aaron Carlisle (Blendify) claimed this task.
Aaron Carlisle (Blendify) added a subscriber: Aaron Carlisle (Blendify).

Time to close this...