Crash related to ui_tooltip #57639
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Reference: blender/blender#57639
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System Information
Operating system
Linux
Blender Version
Broken:
72a23e6564
default settings.
Short description of error
I've seen this several times after clicking on some of the left buttons in the view:
Segmentation fault in ui_tooltip_data_append_from_keymap
at source/blender/editors/interface/interface_region_tooltip.c:333
gdb back trace
Added subscriber: @capnm
Added subscribers: @ideasman42, @lichtwerk
Cant reproduce but reminds me of #57114.
@ideasman42 : ideas?
Unfortunately I don't know any pattern to reproduce.
Happens here randomly 2-3x / day during a quick work on low-poly game assets.
E.g. right now on the current blender2.8 branch tip:
(For useful backtraces I have to run blender in the gdb)
Note that the backtrace for the crash isn't that useful in this case.
Before crashing there should be an error printed in the terminal which is the cause of the problem.
We can make it so it checks for errors and gives a warning instead of crashing,
but I'd like to find the root cause since making tooltips shouldn't be unreliable.
Edit 1: for release builds errors generating the tips shouldn't assert or crash. So not sure why this is crashing.
Edit 2: The tooltip now shows an error if it can't be generated, however it seems likely this isn't the same problem thats reported here -
0bd61227c2
I'm not familiar with the code, but it looks like some timing/concurrency problem.
The only output I get
with the same bt:
Changed status from 'Open' to: 'Resolved'
as @capnm says,
3d0383d259
also fixes this report, lets close this then.