.blend for test : can't render a scene with Cycles/GPU in 2.64.9 (works with 2.64a)

Technical Support Technical Support
1

Hello,

I would like to create an account to report this on Blender Foundation but I have the following message when I want to confirm my email :

Access deniedCredentials you entered do not correspond to valid account.

EDIT : .blend added for test, see 2nd post : http://www.pasteall.org/blend/17913

Well, if someone can confirm and report it for me please ? :

I have a project that I can render with 2.64a with no problem. I have my tiles set to X: 2, Y: 1, full HD render, and can render the scene with a lot or particles activated.

With the same project in the last build (r52731 x64 on Windows x64), even without the particles activated, I can’t render the image. I let you the screenshot of the error message :

bug_blender.jpg1918×1178 167 KB

The tiles size is set automatically to 960 x 1080 which matches the X: 2 - Y: 1 in full HD with 2.64a but even with a small size for tiles, it doesn’t work.

Does anyone encounter this problem ?

2

Well, it comes from the particles. I let you a .blend so you can test : http://www.pasteall.org/blend/17913

Just set the number of particles in the right panel under “Emission” and hit F12.

  • with 2.64a and a GTX 580 3Gb, I can go up to 2000000 (about 2 Gb of vRAM used)
  • with 2.64.9 (r52761 from today), I can’t : 1850000 seems to be the high limit and the mystery is that there is about 1,74 GB used but a peak at 2919 Mb. So I “have lost” 150000 particles with this version that I can’t get back even with tiles rendering.

If you can try the .blend ajusting the number of particles depending of you vRAM ?

And if anyone could report this to Blender Foundation please?