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Josh Luchs (jshgdmn) added a comment to T75319: Crash during cycles GPU rendering in viewport.

Can confirm 20.9.1 not working on RX5700

Sun, Sep 20, 6:27 PM · Cycles, Render & Cycles, BF Blender
Arnold (kingsushi001) added a comment to T75319: Crash during cycles GPU rendering in viewport.

Did anyone try the 20.9.1 driver?

Sun, Sep 20, 5:45 PM · Cycles, Render & Cycles, BF Blender
Diogo Valadares Reis dos Santos (DiogoX2) added a comment to T75319: Crash during cycles GPU rendering in viewport.

Did anyone try the 20.9.1 driver?

Sun, Sep 20, 5:39 PM · Cycles, Render & Cycles, BF Blender
michael campbell (3di) added a comment to D4971: added emission strength to the principled BSDF node..

Would it be a better idea to set the socket ID to 22 (next unused socket id) rather than 18? It's breaking all existing scripts that reference socket 18 otherwise.

Sun, Sep 20, 2:00 PM · EEVEE & Viewport, Nodes, Rendering, Cycles

Sat, Sep 19

Alex Strand (astrand130) added a comment to D4971: added emission strength to the principled BSDF node..

I finished adding it to the following importers/exporters (ready for review):

Sat, Sep 19, 12:47 PM · EEVEE & Viewport, Nodes, Rendering, Cycles

Fri, Sep 18

Charlie Jolly (charlie) updated the task description for T72337: Shader Node Additions.
Fri, Sep 18, 2:27 PM · EEVEE & Viewport, Render & Cycles, Cycles, Nodes
Alex Strand (astrand130) added a comment to T72337: Shader Node Additions.

D4971 has landed.

Fri, Sep 18, 2:06 PM · EEVEE & Viewport, Render & Cycles, Cycles, Nodes
Hendrik Döring (Hendrik.D) added a comment to T75319: Crash during cycles GPU rendering in viewport.

Probably, for me atm Blender 2.9 is working with driver version 20.5.1 .

Fri, Sep 18, 1:25 PM · Cycles, Render & Cycles, BF Blender
Alex Strand (astrand130) added a comment to D4971: added emission strength to the principled BSDF node..

I am going to need to update the Collada importer to handle RGBM encoding similar to how I am doing for OBJ in another patch.

Fri, Sep 18, 12:47 PM · EEVEE & Viewport, Nodes, Rendering, Cycles

Thu, Sep 17

Diogo Valadares Reis dos Santos (DiogoX2) added a comment to T75319: Crash during cycles GPU rendering in viewport.

maybe this "fix" only include AMD video cards from this generation then.

Thu, Sep 17, 11:26 PM · Cycles, Render & Cycles, BF Blender
Hendrik Döring (Hendrik.D) added a comment to T75319: Crash during cycles GPU rendering in viewport.

If anyone is having problems like these the only solution for now is to try to revert the drivers to the last stable ones(20.4.2)

Thu, Sep 17, 10:33 PM · Cycles, Render & Cycles, BF Blender
Diogo Valadares Reis dos Santos (DiogoX2) added a comment to T75319: Crash during cycles GPU rendering in viewport.

If anyone is having problems like these the only solution for now is to try to revert the drivers to the last stable ones(20.4.2)

Thu, Sep 17, 9:53 PM · Cycles, Render & Cycles, BF Blender
Hendrik Döring (Hendrik.D) added a comment to T75319: Crash during cycles GPU rendering in viewport.

Hi Guys,
very similar Problem for me too, I've got some random crashes with cycles seem like, for me the sample count is important with 128s@1080p that's fine, but with 1024s@1080p it's just a matter of time till blender crashes, sometimes the AMD driver only, sometimes the complete system.
It's very annoying and not matter which blender version, it's the same for me...
Somebody can confirm the sample count dependency? Any News or Workaround at least?

Thu, Sep 17, 9:51 PM · Cycles, Render & Cycles, BF Blender
Ed Mackey (emackey) added a comment to D4971: added emission strength to the principled BSDF node..

New issue created for glTF emission strength here: https://github.com/KhronosGroup/glTF-Blender-IO/issues/1216

Thu, Sep 17, 8:38 PM · EEVEE & Viewport, Nodes, Rendering, Cycles
Pawal (BelCGFree) added a comment to T75319: Crash during cycles GPU rendering in viewport.

Is anyone actually looking at this problem? Because this piece of fuck trash AMD calls a GPU is going back. Going back to NVidia

Thu, Sep 17, 8:13 PM · Cycles, Render & Cycles, BF Blender
Brecht Van Lommel (brecht) updated subscribers of D4971: added emission strength to the principled BSDF node..

@Julien DUROURE (julien) this needs updates in glTF import/export. As noted above @Alex Strand (astrand130) is working on updating importers and exporters, but as I understand it there is no glTF code yet, so up to you two to figure out who does it.

Thu, Sep 17, 6:57 PM · EEVEE & Viewport, Nodes, Rendering, Cycles
Brecht Van Lommel (brecht) closed D4971: added emission strength to the principled BSDF node..
Thu, Sep 17, 6:55 PM · EEVEE & Viewport, Nodes, Rendering, Cycles
Richard Antalik (ISS) closed T80707: Texture Coordinate's Generated mapping differs on Intel and NVidia/AMD as Invalid.

Thanks for the report. This GPU is below the minimum requirements for Blender, so there is no longer support for it. https://www.blender.org/download/requirements/

Thu, Sep 17, 1:40 PM · Cycles, BF Blender
Arnold (kingsushi001) added a comment to T75319: Crash during cycles GPU rendering in viewport.

Is anyone actually looking at this problem? Because this piece of fuck trash AMD calls a GPU is going back. Going back to NVidia

Thu, Sep 17, 12:07 AM · Cycles, Render & Cycles, BF Blender

Wed, Sep 16

Richard Antalik (ISS) merged T80781: Blender recognize my gpu but won't use it for render in cycles ( crash ) into T75319: Crash during cycles GPU rendering in viewport.
Wed, Sep 16, 5:37 PM · Cycles, Render & Cycles, BF Blender
Bastien Montagne (mont29) closed D8906: Fix buffer overflow in Cycles' system_cpu_brand_string helper..
Wed, Sep 16, 3:05 PM · Render & Cycles, Cycles, BF Blender
Bastien Montagne (mont29) added a comment to D8906: Fix buffer overflow in Cycles' system_cpu_brand_string helper..

BLI_cpu_brand_string needs to be fixed as well.

Wed, Sep 16, 3:05 PM · Render & Cycles, Cycles, BF Blender
Oleg Sokolov (OSA413) added a comment to T80707: Texture Coordinate's Generated mapping differs on Intel and NVidia/AMD .

renderer: 'Mesa DRI Intel(R) HD Graphics 2000 (SNB GT1)'
vendor: 'Intel Open Source Technology Center'
version: '3.3 (Core Profile) Mesa 20.0.8'

Wed, Sep 16, 2:46 PM · Cycles, BF Blender
Brecht Van Lommel (brecht) added a comment to D8906: Fix buffer overflow in Cycles' system_cpu_brand_string helper..

BLI_cpu_brand_string needs to be fixed as well.

Wed, Sep 16, 2:37 PM · Render & Cycles, Cycles, BF Blender
Bastien Montagne (mont29) retitled D8906: Fix buffer overflow in Cycles' system_cpu_brand_string helper. from Fix buffer overflow in Cycles' cpuid helper. to Fix buffer overflow in Cycles' system_cpu_brand_string helper..
Wed, Sep 16, 2:37 PM · Render & Cycles, Cycles, BF Blender
Brecht Van Lommel (brecht) accepted D8906: Fix buffer overflow in Cycles' system_cpu_brand_string helper..
Wed, Sep 16, 2:35 PM · Render & Cycles, Cycles, BF Blender
Bastien Montagne (mont29) requested review of D8906: Fix buffer overflow in Cycles' system_cpu_brand_string helper..
Wed, Sep 16, 2:34 PM · Render & Cycles, Cycles, BF Blender
Richard Antalik (ISS) changed the status of T80707: Texture Coordinate's Generated mapping differs on Intel and NVidia/AMD from Needs Triage to Needs Information from User.

Unfortunately I don't have intel GPU to confirm. Can you add intel GPU model and driver version to the report? You can use Help > Report a Bug to generate this information.

Wed, Sep 16, 1:30 PM · Cycles, BF Blender
Mindinsomnia (mindinsomnia) added a comment to T80823: Cycles Baking is not available when using Optix.

Maybe information about the limitations of each compute device should appear as an information box somewhere below the choice of compute device in the preferences? That way users could see immediately as they change between compute devices what the pros/cons are for each one.

Wed, Sep 16, 11:30 AM · Cycles, Documentation, BF Blender
Jesse Y (deadpin) added a comment to T80823: Cycles Baking is not available when using Optix.

It's mentioned way over here: https://docs.blender.org/manual/en/dev/render/cycles/gpu_rendering.html#supported-features-and-limitations

Wed, Sep 16, 9:29 AM · Cycles, Documentation, BF Blender
Sybren A. Stüvel (sybren) updated the task description for T80823: Cycles Baking is not available when using Optix.
Wed, Sep 16, 12:10 AM · Cycles, Documentation, BF Blender
Sybren A. Stüvel (sybren) updated the task description for T80823: Cycles Baking is not available when using Optix.
Wed, Sep 16, 12:10 AM · Cycles, Documentation, BF Blender
Sybren A. Stüvel (sybren) added projects to T80823: Cycles Baking is not available when using Optix: Documentation, Cycles.
Wed, Sep 16, 12:09 AM · Cycles, Documentation, BF Blender

Tue, Sep 15

Germano Cavalcante (mano-wii) added a project to T80786: Disabling Hair BVH makes Cycles CUDA GPU hair ribbons flicker between frames: Cycles.
Tue, Sep 15, 9:27 PM · Cycles, BF Blender
Joan Bonet Orantos (LaTerreta) added a revision to T75539: Cycles: switching from Displacement to Bump Only does not update geometry: D8896: Fix T75539: Cycles. Update geometry when switching displacements.
Tue, Sep 15, 11:58 AM · Render & Cycles, Cycles, BF Blender
Chrischan (Chrischan) added a comment to T68915: Light linking.

thats my wish for christmas :)

Tue, Sep 15, 7:37 AM · Render & Cycles, Cycles, BF Blender
Murad (stmalk) added a comment to T68915: Light linking.

Any updates so far? Anything for next iteration of 2.9? That is a must in a lot of archviz production, highly needed feature to exclude objects from light source.

Tue, Sep 15, 4:10 AM · Render & Cycles, Cycles, BF Blender

Mon, Sep 14

Germano Cavalcante (mano-wii) changed the status of T80324: OpenCL error (-52) from Needs Information from User to Needs Triage.
Mon, Sep 14, 9:50 PM · Cycles, BF Blender
Germano Cavalcante (mano-wii) added a project to T80707: Texture Coordinate's Generated mapping differs on Intel and NVidia/AMD : Cycles.
Mon, Sep 14, 9:43 PM · Cycles, BF Blender
Richard Antalik (ISS) merged T80172: Crash AMD video cards, closes \ hangs into T75319: Crash during cycles GPU rendering in viewport.
Mon, Sep 14, 1:05 PM · Cycles, Render & Cycles, BF Blender
Alexei (ahtiandr) added a comment to T72011: Visible wireframe artifacts after baking normal map with bevel shader (2).

Bumping this thread as I am really waiting for this bug fix as it could really speedup my production.

Mon, Sep 14, 11:44 AM · Cycles, Render & Cycles, BF Blender

Sun, Sep 13

milad ed (geralt-of-trivia) added a comment to T75319: Crash during cycles GPU rendering in viewport.

I have a RX580 and I also have this problem. While using Cycles with OpenCL on the GPU, my PC BOSDs.

Sun, Sep 13, 11:55 AM · Cycles, Render & Cycles, BF Blender
Zijun Zhou (Eary) added a comment to T78011: Cycles: blue-noise dithered sampling.
Sun, Sep 13, 9:39 AM · BF Blender (2.91), Cycles, Render & Cycles
Zijun Zhou (Eary) added a comment to T78011: Cycles: blue-noise dithered sampling.

You can test some of the sampling patches in our build, in graphicall.org, the bonemaster build

This is one of the patches, the other one is the scramble distance. Brecht has to test if it’s feasible for the blender production standards, and I’m not sure if there will be more patches around

Sun, Sep 13, 9:39 AM · BF Blender (2.91), Cycles, Render & Cycles
Juan Gea (juang3d) added a comment to T78011: Cycles: blue-noise dithered sampling.

You can test some of the sampling patches in our build, in graphicall.org, the bonemaster build

Sun, Sep 13, 9:16 AM · BF Blender (2.91), Cycles, Render & Cycles
Zijun Zhou (Eary) added a comment to T78011: Cycles: blue-noise dithered sampling.

From the looks of it, plus notes from the "Tuesday talks", it seems blue-noise dithered sampling is planned to be implemented by the end of bcon2. But keep in mind that things may change.

Sun, Sep 13, 8:09 AM · BF Blender (2.91), Cycles, Render & Cycles
Robert Rioux (riouxr) added a comment to T73076: Optix render kernels constantly reloading on Linux.

In my case, it rebuilds every time I change a settings in the shader. I added a brightness contrast node. If I change any of the two parameters, it reloads. It's unusable.

Sun, Sep 13, 3:53 AM · Cycles, BF Blender

Sat, Sep 12

Alaska (Alaska) added a comment to T78011: Cycles: blue-noise dithered sampling.

It says bcon 2 features, does it mean it is possible to see this feature in 2.91 after Sept 16 by next week?

Sat, Sep 12, 10:01 AM · BF Blender (2.91), Cycles, Render & Cycles
Zijun Zhou (Eary) added a comment to T78011: Cycles: blue-noise dithered sampling.

It says bcon 2 features, does it mean it is possible to see this feature in 2.91 after Sept 16 by next week?

Sat, Sep 12, 9:45 AM · BF Blender (2.91), Cycles, Render & Cycles

Fri, Sep 11

Alex Strand (astrand130) added a comment to D4971: added emission strength to the principled BSDF node..

Obj MTL Importer/Exporter has been updated. https://developer.blender.org/D8868

Fri, Sep 11, 7:38 PM · EEVEE & Viewport, Nodes, Rendering, Cycles
bruno (brunocb) added a comment to T67724: Textures on metaballs have different scale in Eevee and Cycles.

Problem still persists when using generated coordinates. Scale and location are a bit off.

Fri, Sep 11, 1:35 PM · Cycles, BF Blender

Thu, Sep 10

Aaron Carlisle (Blendify) closed D7548: UI: Always Display World mist properties.
Thu, Sep 10, 3:15 AM · User Interface, Cycles, BF Blender

Wed, Sep 9

Nick Dorn (Nubnubbud) updated the task description for T56925: Cycles produces banded render artifacts in dense or sharp volume renders..
Wed, Sep 9, 11:40 PM · Render & Cycles, Cycles
Nick Dorn (Nubnubbud) added a comment to T56925: Cycles produces banded render artifacts in dense or sharp volume renders..

renamed for clarity of scope and succinctness- the description should probably be where the supposed cause or influencing variables go, not the title, and it was overly redundant. Apologies for the multiple edits- kept finding out of date information, files, and redundant text, and my current test file was far better as exposing the bug/artifact.

Wed, Sep 9, 11:38 PM · Render & Cycles, Cycles
Nick Dorn (Nubnubbud) renamed T56925: Cycles produces banded render artifacts in dense or sharp volume renders. from Cycles does not appear to treat step boundaries vs between step boundaries homogeneously in volumes, produces render artifacts. to Cycles produces banded render artifacts in dense or sharp volume renders..
Wed, Sep 9, 11:30 PM · Render & Cycles, Cycles
Nick Dorn (Nubnubbud) updated the task description for T56925: Cycles produces banded render artifacts in dense or sharp volume renders..
Wed, Sep 9, 11:25 PM · Render & Cycles, Cycles
Nick Dorn (Nubnubbud) updated the task description for T56925: Cycles produces banded render artifacts in dense or sharp volume renders..
Wed, Sep 9, 11:18 PM · Render & Cycles, Cycles
Igor (Sercher) added projects to T80587: Empty Ambient occlussion and mist pass on transparent,holdout material: Cycles, Rendering.
Wed, Sep 9, 1:47 PM · Render & Cycles, BF Blender
Brecht Van Lommel (brecht) added a comment to D7548: UI: Always Display World mist properties.

I agree with William here. Improving the UI layout is fine, but other than that I think everything should be left in the same place.

Wed, Sep 9, 11:58 AM · User Interface, Cycles, BF Blender
Richard Antalik (ISS) added a comment to T80292: Nishita Sky Demo File crashes when changing current frame.

there is a solution to this problem?

Wed, Sep 9, 1:46 AM · Cycles, BF Blender
Martijn Versteegh (Baardaap) added a comment to T80395: Crash when trying to bake a texture from one model to another..

I found out that if I export 'lier-scan' and 'remeshed' to .obj files and I import them both in a clean .blend the problem goes away. So somehow something got messed up in this specific .blend and it's not the geometry/topology that's causing the crash.

Wed, Sep 9, 12:57 AM · Cycles, Render & Cycles, BF Blender
Martijn Versteegh (Baardaap) added a comment to T80395: Crash when trying to bake a texture from one model to another..

The circular dependency is (imho) a false positive. The image lier-model is attached to the remeshed base color image texture. But the color data is coming from lier-scan, which has a different material. Remeshed is the target object and it's texture is only written to. My guess is that the dependency checker ignores the 'selected to active' setting.

Wed, Sep 9, 12:51 AM · Cycles, Render & Cycles, BF Blender

Tue, Sep 8

Aaron Carlisle (Blendify) edited reviewers for D7548: UI: Always Display World mist properties, added: Julian Eisel (Severin); removed: William Reynish (billreynish).

@Julian Eisel (Severin) do you agree with William here? If so, how about we keep the panel visible but not active with a text label saying to enable the mist pass.

Tue, Sep 8, 9:13 PM · User Interface, Cycles, BF Blender
ibra (ibraz12z) added a comment to T80292: Nishita Sky Demo File crashes when changing current frame.

there is a solution to this problem?

Tue, Sep 8, 2:48 PM · Cycles, BF Blender
Simon Sommer (CreatorSiSo) added a watcher for Cycles: Simon Sommer (CreatorSiSo).
Tue, Sep 8, 2:46 PM
Ankit Meel (ankitm) added a comment to T80395: Crash when trying to bake a texture from one model to another..

A note that there's a circular dependency "Circular dependency for image "lier-model" from object "remeshed"" . It should be removed.

If I continue from this error I immediately end up in the crash from the above stacktrace. With index consistently set to 3974, but width seems to be filled with random data, because it is different on each run and I've even seen negative values for it.

If you use a debugger (on linux VSCode or QtCreator may help [1]), Blender stops right after the assert with the variables and stack preserved, instead of printing the trace and exiting.

"index >= 0 && index < width", file=0xfa660e8 "blender/intern/cycles/kernel/../kernel/kernel_compat_cpu.h", line=77,
Tue, Sep 8, 8:51 AM · Cycles, Render & Cycles, BF Blender
Sebastian Villanueva (vr_sebas) added a comment to T55435: Support for UDIM textures and tiled images.
Tue, Sep 8, 3:11 AM · EEVEE & Viewport, Images & Movies, Cycles

Mon, Sep 7

Ankit Meel (ankitm) added a comment to T80371: Blender 2.90.0 for macOS crashes in Cycles renderer mode when switching to Render Preview or creating a new Material.

Cross linking it with T79707: blender 2.9 macOS 10.15.3 crash cycles rendering with viewport / into image T78793: Mac crash with cycles and any mesh (T 78581 revisited with new video card)

Mon, Sep 7, 10:36 PM · Cycles, Platform: macOS, BF Blender
Ankit Meel (ankitm) added a comment to T80314: Render crashes when linked objects.

Could you make a simple blend file from scratch that could help us test this issue with linked objects ?

Mon, Sep 7, 10:26 PM · Cycles, BF Blender
Ankit Meel (ankitm) changed the status of T80395: Crash when trying to bake a texture from one model to another. from Needs Triage to Confirmed.

Thank you so much for debugging this out!
note to self to try to redo it.

Mon, Sep 7, 10:06 PM · Cycles, Render & Cycles, BF Blender
Ankit Meel (ankitm) updated the task description for T80395: Crash when trying to bake a texture from one model to another..
Mon, Sep 7, 10:00 PM · Cycles, Render & Cycles, BF Blender
Joselu (Xeluaxeman) added a comment to T80314: Render crashes when linked objects.

Yes. Linked objects have some limitations with fluids cache by now.
No problem since i only link unfinished objects as a preview for the whole scene. I would use imported objects for animation purpouses once all final setups are done.

Mon, Sep 7, 9:48 AM · Cycles, BF Blender
Richard Antalik (ISS) added a comment to T80314: Render crashes when linked objects.

Does that mean that you have resolved the problem by clearing caches?

Mon, Sep 7, 6:09 AM · Cycles, BF Blender

Sun, Sep 6

Edgar Wagt (EddoWagt) added a comment to T75319: Crash during cycles GPU rendering in viewport.

I want to add to this topic.
I've tried my RX 480 and RX 5700(XT bios), both are not working.
On Radeon settings 20.7.1 and 20.8.3 neither are working, sometimes it get just white like this{F8846987}
while other times Blender just crashes after a while.
On Radeon settings 20.5.1 HWS from Guru3D the viewport rendering works, but F12 is still broken for me.
I haven't tried, but I'm going to assume older drivers work just fine, also, the Radeon ProRenderer works perfectly on any driver version.

Sun, Sep 6, 11:33 AM · Cycles, Render & Cycles, BF Blender

Sat, Sep 5

jake downs (jakedowns) added a comment to T60462: Blender 2.8 (various versions) crashes in GPU animation rendering (many card types), both eevee and cycles.

note i’ve been running into a similar issue all of a sudden using 2.82. tried upgrading to 2.9 but the issue still persists.

Sat, Sep 5, 8:49 AM · EEVEE & Viewport, Cycles, BF Blender
Augusto Cezar (hilth) added a comment to T38401: Metropolis Sampling.

Is this patch alive?
Would be great if this patch becomes a feature someday.

Sat, Sep 5, 6:06 AM · Cycles, BF Blender

Fri, Sep 4

Stanley Obiagwu (N3TBUG) added a comment to T70137: Cycles Volumetrics bug causes PC Freeze/Crash.

I have this same bug and Blender crashes when using GPU, I use Sapphire Radeon Nitro+ RX 590, but my AMD Ryzen 5 2600 CPU works. They probably won't fix this because mods keep closing it and not getting attention.

Fri, Sep 4, 5:06 PM · Cycles, BF Blender
Joselu (Xeluaxeman) added a comment to T80314: Render crashes when linked objects.

Sorry everybody. Linked file Candle Final that has pre cached fluids for the flame is the problem.
Thanks. I will keep testing 2.9.

Fri, Sep 4, 2:25 AM · Cycles, BF Blender
Richard Antalik (ISS) merged task T80371: Blender 2.90.0 for macOS crashes in Cycles renderer mode when switching to Render Preview or creating a new Material into T80329: render viewport crashes in cylces.
Fri, Sep 4, 12:23 AM · Cycles, Platform: macOS, BF Blender
Martijn Versteegh (Baardaap) added projects to T80395: Crash when trying to bake a texture from one model to another.: Render & Cycles, Cycles.
Fri, Sep 4, 12:19 AM · Cycles, Render & Cycles, BF Blender

Thu, Sep 3

Richard Antalik (ISS) changed the status of T80314: Render crashes when linked objects from Needs Triage to Needs Information from User.

@Joselu (Xeluaxeman) what is your OS? Can you update GPU drivers?
Does this happen, when you click on File > Load Factory Settings, load your file and render?

Thu, Sep 3, 8:24 PM · Cycles, BF Blender
Richard Antalik (ISS) changed the status of T80292: Nishita Sky Demo File crashes when changing current frame from Needs Triage to Confirmed.

I've got this backtrace, tried 3 times just to be sure:

Thu, Sep 3, 7:24 PM · Cycles, BF Blender
Steffen Dünner (SteffenD) added a comment to T80314: Render crashes when linked objects.

What caught my eye when giving this scene a try was that your hair rendering geometry was set to:


which is a major difference to 2.83

Thu, Sep 3, 5:06 PM · Cycles, BF Blender
Joselu (Xeluaxeman) added a comment to T80314: Render crashes when linked objects.

CUDA of course. I guess something went wrong from 2.8 to 2.9. I will make some more tests but 2.9 is unstable in my case and will only keep 2.8 files until the issue is fixed.

Thu, Sep 3, 4:19 PM · Cycles, BF Blender
Germano Cavalcante (mano-wii) added a comment to T80314: Render crashes when linked objects.

@Joselu (Xeluaxeman), rendering with CPU or GPU?
Have you tried Optix, Cuda and OpenCL?

Thu, Sep 3, 2:28 PM · Cycles, BF Blender
Steffen Dünner (SteffenD) added a comment to T80314: Render crashes when linked objects.

Just gave this scene a try and it renders without problems here:

Thu, Sep 3, 1:01 PM · Cycles, BF Blender
Joselu (Xeluaxeman) added a comment to T80314: Render crashes when linked objects.

Confirmed. In 2.83.5 you can even add plenty of geometry and external objects and works fine.

Thu, Sep 3, 12:58 PM · Cycles, BF Blender
Joselu (Xeluaxeman) added a comment to T80314: Render crashes when linked objects.

This scene rendered without problems in 2.8.
It is a project i left unfinished but had no problems until opened in 2.9 for testing pupouses.
All is optimized and i am sure it is not hardware limitation.
I think i could add more objects to the scene in 2.8 and will render.

Thu, Sep 3, 9:52 AM · Cycles, BF Blender
Alex Strand (astrand130) added a comment to D4971: added emission strength to the principled BSDF node..

@Brecht Van Lommel (brecht) I have investigated other exporters and am currently working on updating them. It has come to my attention that material export functionality in some exporters (particularly OBJ and FBX) are in rather poor condition and I would like to fix them. Before I am able to do that it would be very helpful if this patch could get merged and D8777 could get reviewed soon so these addons and exporters can be updated. Thank you.

Thu, Sep 3, 1:26 AM · EEVEE & Viewport, Nodes, Rendering, Cycles

Wed, Sep 2

Germano Cavalcante (mano-wii) added a project to T80314: Render crashes when linked objects: Cycles.

It didn't crash here, but I also can't render with GPU because this OpenCL error:

OpenCL error: CL_INVALID_VALUE in clEnqueueCopyBuffer(device->cqCommandQueue, CL_MEM_PTR(buffer->device_pointer), CL_MEM_PTR(new_buffer->device_pointer), allocation->desc.offset, offset, allocation->mem->memory_size(), 0, NULL, NULL) (C:\Germano\Dev\BlenderDev\blender\intern\cycles\device\opencl\memory_manager.cpp:114)
OpenCL error: CL_INVALID_VALUE in clEnqueueCopyBuffer(device->cqCommandQueue, CL_MEM_PTR(buffer->device_pointer), CL_MEM_PTR(new_buffer->device_pointer), allocation->desc.offset, offset, allocation->mem->memory_size(), 0, NULL, NULL) (C:\Germano\Dev\BlenderDev\blender\intern\cycles\device\opencl\memory_manager.cpp:114)
OpenCL error: CL_INVALID_VALUE in clEnqueueCopyBuffer(device->cqCommandQueue, CL_MEM_PTR(buffer->device_pointer), CL_MEM_PTR(new_buffer->device_pointer), allocation->desc.offset, offset, allocation->mem->memory_size(), 0, NULL, NULL) (C:\Germano\Dev\BlenderDev\blender\intern\cycles\device\opencl\memory_manager.cpp:114)
OpenCL error: CL_INVALID_VALUE in clEnqueueCopyBuffer(device->cqCommandQueue, CL_MEM_PTR(buffer->device_pointer), CL_MEM_PTR(new_buffer->device_pointer), allocation->desc.offset, offset, allocation->mem->memory_size(), 0, NULL, NULL) (C:\Germano\Dev\BlenderDev\blender\intern\cycles\device\opencl\memory_manager.cpp:114)
OpenCL error: CL_INVALID_VALUE in clEnqueueWriteBuffer(device->cqCommandQueue, CL_MEM_PTR(new_buffer->device_pointer), CL_FALSE, offset, allocation->mem->memory_size(), allocation->mem->host_pointer, 0, NULL, NULL) (C:\Germano\Dev\BlenderDev\blender\intern\cycles\device\opencl\memory_manager.cpp:99)
OpenCL error: CL_INVALID_VALUE in clEnqueueWriteBuffer(device->cqCommandQueue, CL_MEM_PTR(new_buffer->device_pointer), CL_FALSE, offset, allocation->mem->memory_size(), allocation->mem->host_pointer, 0, NULL, NULL) (C:\Germano\Dev\BlenderDev\blender\intern\cycles\device\opencl\memory_manager.cpp:99)
Error: OpenCL error: CL_INVALID_VALUE in clEnqueueCopyBuffer(device->cqCommandQueue, CL_MEM_PTR(buffer->device_pointer), CL_MEM_PTR(new_buffer->device_pointer), allocation->desc.offset, offset, allocation->mem->memory_size(), 0, NULL, NULL) (C:\Germano\Dev\BlenderDev\blender\intern\cycles\device\opencl\memory_manager.cpp:114)

I don't know what can lead to this error, but apparently it is a memory problem, which is not surprising since this file is very complex.
For valid bug reports it is recommended that the file be simplified to the maximum. This makes it easy to identify the problem.

Wed, Sep 2, 10:02 PM · Cycles, BF Blender
Richard Antalik (ISS) merged T80264: Cycles crash into T75319: Crash during cycles GPU rendering in viewport.
Wed, Sep 2, 5:15 PM · Cycles, Render & Cycles, BF Blender
Juan Gómez (UseTheFarce) updated the task description for T80371: Blender 2.90.0 for macOS crashes in Cycles renderer mode when switching to Render Preview or creating a new Material.
Wed, Sep 2, 11:29 AM · Cycles, Platform: macOS, BF Blender

Tue, Sep 1

Stefan Werner (swerner) closed D8772: Cycles: Separate Embree device for each CPU Device..
Tue, Sep 1, 9:57 PM · Cycles
Brecht Van Lommel (brecht) closed D8372: Fixing compile errors when disabling certain features.
Tue, Sep 1, 7:15 PM · Cycles
Brecht Van Lommel (brecht) accepted D8372: Fixing compile errors when disabling certain features.
Tue, Sep 1, 6:46 PM · Cycles
Sergey Sharybin (sergey) accepted D8772: Cycles: Separate Embree device for each CPU Device..

From reading code and descriptions seems fine.

Tue, Sep 1, 2:56 PM · Cycles
Stefan Werner (swerner) added a comment to D8772: Cycles: Separate Embree device for each CPU Device..

The addition of Device::bvh_device() could be short lived - I would like to eventually postpone the Embree BVH build until after geometry has been synced to the device (similar to OptiX), that way Embree can share Cycles' vertex and index arrays instead of creating separate copies.

Tue, Sep 1, 2:54 PM · Cycles
Brecht Van Lommel (brecht) accepted D8772: Cycles: Separate Embree device for each CPU Device..
Tue, Sep 1, 2:52 PM · Cycles
Stefan Werner (swerner) added reviewers for D8772: Cycles: Separate Embree device for each CPU Device.: Brecht Van Lommel (brecht), Sergey Sharybin (sergey).
Tue, Sep 1, 2:51 PM · Cycles
Ray molenkamp (LazyDodo) closed D8767: Add missing TBB_ROOT_DIR.
Tue, Sep 1, 1:59 AM · Cycles