Regression: Memory leak during rendering #105148 part 2 and crash guide. #106552
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Reference: blender/blender#106552
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System Information
Operating system: macOS-13.4-x86_64-i386-64bit 64 Bits
Graphics card: Metal API AMD Radeon Pro 575 1.2
Blender Version
Broken: version: 3.5.1 Release Candidate, branch: blender-v3.5-release, commit date: 2023-03-31 13:59, hash:
6fa464d18971Worked: (newest version of Blender that worked as expected)
Short description of error
Render crash 3.5.1 and memory leak 3.6.0
Exact steps for others to reproduce the error
@iss
@brecht
@PratikPB2123
I got download Blender 3.5.1 Candidate and Blender 3.6.0 Alpha April 4, 2023
I did take test Blender 3.5.1 Command + F12 make render for a while until crash guide.
Blender 3.6.0 Command + F12 make render for a while until about 850 frames become black screen cause memory leak.
Why not appear render
1 frame write videocard ram memory go up then write .mov then clean up videocard memory plus ram then
2 frame write videocard ram memory go up then write .mov then clean up videocard memory plus ram then
3 frame write videocard ram memory go up then write .mov then clean up videocard memory plus ram then
4 frame write videocard ram memory go up then write .mov then clean up videocard memory plus ram then
5 frame write videocard ram memory go up then write .mov then clean up videocard memory plus ram then
6 frame write videocard ram memory go up then write .mov then clean up videocard memory plus ram then
UNTIL
60,000 frame write videocard ram memory then write .mov then clean up videocard memory complete.
.Mov and .PNG Sequence after already write .png then clean up ram each frames.
Both motherboard ram and videocard ram
For example "CleanMyMac.app" clean up ram more memory. Why not Blender can do clean up ram each render Command + F12.
You will see crash 3.5.1
You will see become black screen after about 850frames 3.6.0
Blender Version
Broken: version: 3.5.1 Release Candidate, branch: blender-v3.5-release, commit date: 2023-04-04 18:21, hash:
78985426b635Worked: (newest version of Blender that worked as expected)
Broken: version: 3.6.0 Alpha, branch: main, commit date: 2023-04-04 21:22, hash:
dec9c593cbe3Worked: (newest version of Blender that worked as expected)
Render still memory leak there is not resolve.
Render after about 900 cause become black screen and out of memory.
Can't reproduce this issue. 3.5 is also working fine here
@iss
Blender 3.5 already still memory leak but go 3.6 to fix code.
Its time for 3.6 need to fix because of 3.6 memory leak still there is not resolve.
Could you please confirm whether this happens with the Metal backend or OpenGL backend enabled, or both?
And to confirm whether this is an issue within Cycles itself, or the wider Blender app.
Both. I can confirm from my end. I have the same system type as Kent Davis.
Major memory leak when using texture sizes exceeding a 4K resolution.
@Andrew-Herman
Finally yes please.
Everytime I render an animation in Cycles, Blender crashes after like 200 frames, or renders corrupt blank frames to the end. This is whether or not I have the metal viewport on.
System Information
Operating system: macOS-13.3.1-arm64-arm-64bit 64 Bits
Graphics card: Metal API Apple M1 Ultra 1.2
Blender Version
Broken: version: 3.5.1, branch: blender-v3.5-release, commit date: 2023-04-24 18:11, hash:
e1ccd9d4a1d3Worked: (newest version of Blender that worked as expected)
Yes same as mine I told them many times. Now they get know why memory is leak. You message exactly same as mine.
Go ahead very high confirm please
@Andrew-Herman
I am still wait for you.
@Kent-Davis Hay, can you say, what version of blender work without this bug for you?
Hi @mod_moder, I can try to find out which latest version that works, but it will take a few days, I have a project that fails after 100-200 frames every time. Today I tried the latest RC of 3.6 it stopped rendering on frame 153. I will now try 3.5.1.
Hi again @mod_moder , 3.5.1 stopped rendering and became unresponsive on frame 321of 2000.
@Brallan You may need use Blender 3.6.0 Candidate. Blender.app today June 26, 2023. I take test today. I will take test some more.
@Kent-Davis there is no build for apple silicon today 26th.
@Brallan I mean 25.
@Kent-Davis I tried that one yesterday. Stopped rendering at frame 153 of 2000.
@mod_moder Blender 3.3.8 Started to render empty black frames after frame 307 of 2000.
Allright I agree with you yes @Brallan
Todays 3.6 RC rendered correctly up to frame 355, after that black/corrupt frames. Blender was not unresponsive though so I could quit the program properly.
Todays Stable 3.6 release for Apple Silicon stopped rendering on fram 363 of 2000. Not very stable if you ask me.
@Brallan
Yes I 100% agree with you very well. Developers need to fix some more.
I did put Flame fire first before render there is bad black screen.
I got download from above first one
Now you see error.
My youtube: https://youtu.be/bl8IagUscVE