Crash on playing cached fluid simulation in layout #100220
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Reference: blender/blender#100220
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System Information
Operating system: Ubuntu 20.04.4 LTS
Graphics card: AMD Radeon RX 5700 XT
CPU: AMD Ryzen 9 3900X 12-Core Processor
RAM: 64GB F4-3200C16-16GTZRX
Blender Version
Broken: version: 3.2.2, branch: master, commit date: 2022-08-02 18:15, hash:
bcfdb14560, type: release build date: 2022-08-02, 23:38:01platform: 'Linux-5.18.2-051802-generic-x86_64-with-glibc2.31'
Short description of error
Baking fluid simulation to cache (19GB), play back the animation in layout, crash after playing the first 20-30 frames
Console: Read blend: /home/..../../watertest6.blend
Writing: /tmp/watertest6.crash.txt
Writing: /tmp/watertest6.crash.txt
Writing: /tmp/watertest6.crash.txt
Writing: /tmp/watertest6.crash.txt
Writing: /tmp/watertest6.crash.txt
Writing: /tmp/watertest6.crash.txt
Writing: /tmp/watertest6.crash.txt
Writing: /tmp/watertest6.crash.txt
Writing: /tmp/watertest6.crash.txt
Writing: /tmp/watertest6.crash.txt
Writing: /tmp/watertest6.crash.txt
Writing: /tmp/watertest6.crash.txt
Writing: /tmp/watertest6.crash.txt
Segmentation fault (core dumped)
crash.txt
Blender 3.2.2, Commit date: 2022-08-02 18:15, Hash
bcfdb14560backtrace
/snap/blender/2661/blender(BLI_system_backtrace+0x20) [0xc1619d0]
/snap/blender/2661/blender() [0x11da18d]
/lib/x86_64-linux-gnu/libc.so.6(+0x43090) [0x7f6ffe1c9090]
/snap/blender/2661/blender() [0x1263386]
/snap/blender/2661/blender() [0xc16642e]
/snap/blender/2661/blender() [0x1796a35]
/snap/blender/2661/blender() [0x1796ceb]
/snap/blender/2661/blender() [0x1783d27]
/snap/blender/2661/blender() [0x1790720]
/snap/blender/2661/blender() [0x179275c]
/snap/blender/2661/blender() [0x1792959]
/lib/x86_64-linux-gnu/libpthread.so.0(+0x8609) [0x7f6ffe920609]
/lib/x86_64-linux-gnu/libc.so.6(clone+0x43) [0x7f6ffe2a5133]
Python backtrace
Exact steps for others to reproduce the error
Scene, screenshot and txt attached, but not the baked cache. crashreport.tar.xz
Added subscriber: @DeppDeeh
Added subscriber: @OmarEmaraDev
Changed status from 'Needs Triage' to: 'Needs User Info'
I can't reproduce the crash on 3.4. Can you test the latest daily build and check if it crashes as well? https://builder.blender.org/
Can you also do a factory reset to rule out any addon interference? File > Defaults > Load Factory Settings.
If it still crashes, can you attach the crash log from the daily build, as the one we have now doesn't have symbols.
I just found out that the crash seems to happen only when the cache is baked with precision volumes set to mini, but not every time. I deleted the bake and baked again a few times.
Changed the setting of modifiers["Fluid"].domain_settings.openvdb_data_depth to half instead of min and baked again. Without changing anything else. Playing the simulations runs without crash now. Changed back to mini, still not crashing.
I will test both settings, on latest daily and 3.2.2 after reset to factory settings and add the results here.
I am still testing, cant reproduce it all the time, but occasionally. To make sure its not hardware or os related, i changed some parameters, i.e. disabled X.M.P. in the bios, run memtest to make sure the ram and cpu work fine and I am also installing ubuntu 22.04 and blender 3.4 on a separate hd to see if the chrashes maybe happen there, too.
Changed status from 'Needs User Info' to: 'Needs Triage'
Added subscriber: @lichtwerk
Changed status from 'Needs Triage' to: 'Needs User Info'
Would suggest to keep the status "Needs Information from User" until @DeppDeeh has finished testing and can provide reliable repro steps.
Would then be good to update the report description with these updated steps (e.g. mention there that it only happens with
Precision Volumes>Data Depth>Minietc.)After plenty hours of testing, longtime mem-test, different XMP-profiles and kernel updates, baking on and on, I still cannot produce a more reliable report than the initial one. Maybe it is related to the kernel/os or some hardware issues, or whatever. Sorry!
I guess its okay to close the task? If I discover reliable repro steps, I will report again. Thank you for your feedback and recommendations.
Changed status from 'Needs User Info' to: 'Archived'
OK, will close, please come back if reliable repro steps can be found.