Re: [Gimp-developer] GEGL Crashes GPU

[Victor Oliveira <victormatheus gmail com>]

Hi Partha,

Thanks for the bug report, I'll give a look when I can.

Notice that a 150x150 radius is very big and maybe yout GPU doesn't have enough memory for that, but it was supposed to fallback to the CPU in this case.

Thanks

Victor

On Fri, Feb 15, 2013 at 8:47 AM, Tobias Ellinghaus <houz gmx de> wrote:

Am Freitag, 15. Februar 2013, 04:52:49 schrub Partha Bagchi:

> Hi Victor,
>
> Latest git. I have an NVIDIA GeForce GT 230M card with 1G VRAM. The opengl
> version is 1.1 CUDA 4.2.1 etc. Windows 7 64bit
>
> I think OpenCL is taking down my video every time. Here is a simple
> repeatable test for me.
>
> 1. Open 16 bit tiff.
> 2. Duplicate layer.
> 3. Layer - desaturate -> invert
> 4. GEGL gaussian blur x = y = 150.
>
> Takes the screen down (goes black and recovers) and leaves a dark tile on
> the layer.
>
> Any ideas?

That is normal when running OpenCL (or CUDA) kernels on a GPU that has a
monitor connected. On Windows it will time out quite quickly, on Linux AFAIK
not. However, that can be configured. Google is your friend, just search for
"nvidia watchdog".

[...]

> Thanks,
> Partha

Tobias

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