Crash when issuing an undo operation immediately after linking a collection when an outliner's display mode is set to "Blender File" #72887
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Reference: blender/blender#72887
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Delete Branch "%!s(<nil>)"
Deleting a branch is permanent. Although the deleted branch may continue to exist for a short time before it actually gets removed, it CANNOT be undone in most cases. Continue?
System Information
Operating system: Linux-5.3.0-26-generic-x86_64-with-Ubuntu-19.10-eoan 64 Bits
Graphics card: AMD Radeon RX 5700 XT (NAVI10, DRM 3.33.0, 5.3.0-26-generic, LLVM 9.0.0) X.Org 4.5 (Core Profile) Mesa 19.2.1
Blender Version
Broken: version: 2.82 (sub 6), branch: master, commit date: 2020-01-03 10:02, hash:
9b74e648c5
Worked: Never
Short description of error
Blender crashes when issuing an undo operation immediately after linking a collection when an Outliner's display mode set to Blender File
It doesn't matter how many Outliners are open, as long as one is set to Blender File.
This only happens when linking, not appending. No other data blocks causes the crash except collections.
Log files:
blender.crash.txt
terminal-output.txt
Exact steps for others to reproduce the error
Apparently the issue occurs only if the linked collection also has linked stuff? In the test case, the collection to be linked has linked materials.
Blender does not crash when linking standalone collections.
Download these files:
TEST.blend
1.blend
2.blend
Undo the operation (Ctrl+Z)
Added subscriber: @RL
Added subscriber: @ronsn
I can not reproduce this issue.
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System Information
Operating system: Linux-5.0.0-37-generic-x86_64-with-debian-buster-sid 64 Bits (Ubuntu 18.04)
Graphics card: GeForce GTX 1660 Ti/PCIe/SSE2 NVIDIA Corporation 4.5.0 NVIDIA 435.21
Blender Version
version: 2.82 (sub 6), branch: master, commit date: 2020-01-03 10:02, hash:
9b74e648c5
Added subscriber: @rjg
Changed status from 'Needs Triage' to: 'Needs User Info'
I cannot reproduce this on Windows with the latest master either. Is there anything special about the collection you're linking?
Changed status from 'Needs User Info' to: 'Needs Triage'
Added more info; the collection to be linked also has linked materials.
Okay, I can confirm that issue, that Blender crashes if you link something from a file where also something is linked in!
Changed status from 'Needs Triage' to: 'Confirmed'
This issue also occurs in version: 2.80 (sub 75), branch: master, commit date: 2019-07-29 14:47, hash:
f6cb5f5449
@rjg: This task might have a
High
priority, isn't it?I can confirm this as well. Since this bug is crashing Blender, I'm setting the priority to high.
The tree elements of the outliner contain invalid pointers.
Added subscriber: @dupoxy
Added subscriber: @mont29
This actually exhibits two issues:
Will try to fix the crash in outliner first, then we'll see about cleaning up again that black dark magic of library handling in undos…
This issue was referenced by
d74f9c4b7b
Changed status from 'Confirmed' to: 'Resolved'