Stirling Goetz (futurehack)
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Feb 14 2012, 12:24 AM (339 w, 5 d)

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Sep 29 2016

Stirling Goetz (futurehack) added a comment to T49176: Cycles render fail on large scene with Titan X Pascal.

I'm pleased to report that the test file is now rendering correctly on the latest BuildBot Blender builds. Please close this bug report.

Sep 29 2016, 2:20 AM · BF Blender

Sep 10 2016

Stirling Goetz (futurehack) added a comment to T49176: Cycles render fail on large scene with Titan X Pascal.

Thanks for the troubleshooting tips. I've retested with blender-2.78.0-git.1558f5b-windows64 (2016-09-09)

Sep 10 2016, 8:05 AM · BF Blender

Sep 8 2016

Stirling Goetz (futurehack) added a comment to T49176: Cycles render fail on large scene with Titan X Pascal.

The latest BuildBot builds will utilize over 11GB of VRAM when rendering using the new Cycles displacement feature. So, Blender appears capable of accessing most of them VRAM on the card with a different scene.

Sep 8 2016, 4:59 PM · BF Blender

Sep 7 2016

Stirling Goetz (futurehack) added a comment to T49176: Cycles render fail on large scene with Titan X Pascal.

Just re-ran the 256 x 215 tile test with Simplified enabled and received the following errors (duplicate/info lines removed):

Sep 7 2016, 11:40 PM · BF Blender

Sep 5 2016

Stirling Goetz (futurehack) added a comment to T49176: Cycles render fail on large scene with Titan X Pascal.

After a reboot, I ran another render test at 256 x 215 tile size and Blender produces the following error (duplicate lines removed):

Sep 5 2016, 3:42 AM · BF Blender
Stirling Goetz (futurehack) added a comment to T49176: Cycles render fail on large scene with Titan X Pascal.

Testing has always been done after a fresh reboot. I'm not sure how that impacts VRAM fragmentation. Let me know if that would rule it out as the culprit.

Sep 5 2016, 12:53 AM · BF Blender

Aug 27 2016

Stirling Goetz (futurehack) created T49176: Cycles render fail on large scene with Titan X Pascal.
Aug 27 2016, 7:07 PM · BF Blender

Aug 26 2016

Stirling Goetz (futurehack) added a comment to T49059: CUDA error: Launch failed in cuCtxSynchronize().

I can attempt a driver roll back and test again. T49113 describes a Linux driver that causes crash on F12. The behavior here is on Windows 10 and crashes part way through the render.
Let me know if there are instructions for generating more detailed Blender crash details.

Aug 26 2016, 4:21 PM · Cycles, BF Blender
Stirling Goetz (futurehack) added a comment to T49059: CUDA error: Launch failed in cuCtxSynchronize().

Driver Version 372.54 - WHQL
Driver Release Date Mon Aug 15, 2016

Aug 26 2016, 3:55 PM · Cycles, BF Blender

Aug 25 2016

Stirling Goetz (futurehack) added a comment to T49059: CUDA error: Launch failed in cuCtxSynchronize().

I tested again with today's BuildBot build and Blender is now crashing during render instead of throwing CUDA errors.

Aug 25 2016, 11:43 PM · Cycles, BF Blender

Aug 24 2016

Stirling Goetz (futurehack) added a comment to T49059: CUDA error: Launch failed in cuCtxSynchronize().

I'm seeing similar errors on a Titan X Pascal. It's reproducible on the latest BuildBot builds with the "Victor" benchmark file located here: https://code.blender.org/2016/02/new-cycles-benchmark/
The error varies depending on tile size, I've included both below. GPU-Z indicates the card has VRAM to spare during the error. Windows TDRDelay timeout value set to a generous 120 secs.
Please advise if I should create a separate bug report.

Aug 24 2016, 6:18 AM · Cycles, BF Blender

Jun 11 2016

Stirling Goetz (futurehack) updated subscribers of T47899: Blender HMD Support.
Jun 11 2016, 6:00 PM · User Interface, BF Blender

Dec 20 2014

Stirling Goetz (futurehack) awarded T42318: 2.72(a) crash on unwrap of subdivided mesh a Like token.
Dec 20 2014, 1:32 AM · BF Blender
Stirling Goetz (futurehack) added a comment to T42318: 2.72(a) crash on unwrap of subdivided mesh.

Hooray! The commits you have made here have fixed the issue - http://www.miikahweb.com/en/blender/git-logs/commit/7a04c7f6d02a90388e722bf3a600327b52c744ac
Thank you the effort Sergey. This is a win for Blender UV unwrap scalability.

Dec 20 2014, 1:31 AM · BF Blender

Dec 19 2014

Stirling Goetz (futurehack) added a comment to T42318: 2.72(a) crash on unwrap of subdivided mesh.

Sorry if I wasn't clear. From your comments earlier:

Dec 19 2014, 7:31 PM · BF Blender
Stirling Goetz (futurehack) added a comment to T42318: 2.72(a) crash on unwrap of subdivided mesh.

Hi Sergey - Others have confirmed that this is not an OS or hardware issue but indeed appears to be a Blender software crash behavior introduced in 2.72. Confirmation here:
http://blenderartists.org/forum/showthread.php?352183-Unwrap-ability-from-2-71-to-2-72a&p=2782237&viewfull=1#post2782237
Are there troubleshooting steps that could help us find the root cause?
Blender 2.73 Test Build also exhibits this behavior.

Dec 19 2014, 12:54 AM · BF Blender

Nov 16 2014

Stirling Goetz (futurehack) added a comment to T42318: 2.72(a) crash on unwrap of subdivided mesh.

Hi Sergey. Can you explain how your LU solver comment applies when there are GB of free RAM? Any information is appreciated.

Nov 16 2014, 10:30 PM · BF Blender

Nov 5 2014

Stirling Goetz (futurehack) added a comment to T42318: 2.72(a) crash on unwrap of subdivided mesh.

LU solver double precision sounds like a good design call.

Nov 5 2014, 1:14 AM · BF Blender

Oct 30 2014

Stirling Goetz (futurehack) added a comment to T42318: 2.72(a) crash on unwrap of subdivided mesh.

I've run another couple of tests with 2.72b and RAM utilization never reaches above 18% (12/64 GB) during unwrap and when the crash occurs.

Oct 30 2014, 6:15 PM · BF Blender

Oct 21 2014

Stirling Goetz (futurehack) created T42318: 2.72(a) crash on unwrap of subdivided mesh.
Oct 21 2014, 1:02 AM · BF Blender

Jun 20 2014

Stirling Goetz (futurehack) added a comment to T39459: MIS in World settings on 3 GPU system causes Cycles render fail.

Hi Gang - This bug appears to have been fixed via duplicate bug https://developer.blender.org/T40228

Jun 20 2014, 12:35 AM · BF Blender

Mar 29 2014

Stirling Goetz (futurehack) added a comment to T39459: MIS in World settings on 3 GPU system causes Cycles render fail.

@jucyfruit - A test using BuildBot blender-2.70-b64bdb2-win64-vc12.zip (2014-03-29 VS2013) still exhibits the issue. Thanks for the tip though.

Mar 29 2014, 5:40 PM · BF Blender

Mar 27 2014

Stirling Goetz (futurehack) added a comment to T39459: MIS in World settings on 3 GPU system causes Cycles render fail.

Additional Info (thanks to cegaton): Render completes when lowering MIS Map Resolution to 180 or below

Mar 27 2014, 3:13 PM · BF Blender
Stirling Goetz (futurehack) reopened T39459: MIS in World settings on 3 GPU system causes Cycles render fail as "Open".
Mar 27 2014, 3:00 PM · BF Blender
Stirling Goetz (futurehack) updated subscribers of T39355: Experiencing "CUDA error: Launch failed in cuCtxSynchronize()" with current Blender/Windows/CUDA.

Additional information on this issue including repro steps can be found here:
http://blenderartists.org/forum/showthread.php?331667-Multiple-Importance-Sampling-in-World-settings-Cycles-GPU-render-fail
The issue appears with multiple GPUs enabled and Multiple Importance Sampling enabled in World settings.

Mar 27 2014, 3:46 AM · Cycles, BF Blender

Mar 23 2014

Stirling Goetz (futurehack) edited this Maniphest Task.
Mar 23 2014, 1:02 AM · BF Blender, Cycles
Stirling Goetz (futurehack) edited this Maniphest Task.
Mar 23 2014, 1:02 AM · Cycles, BF Blender
Stirling Goetz (futurehack) reopened T39355: Experiencing "CUDA error: Launch failed in cuCtxSynchronize()" with current Blender/Windows/CUDA as "Open".
Mar 23 2014, 1:02 AM · Cycles, BF Blender