6.8.7-7 throws “clCreateBuffer failed” when using convert

[dirk123]

convert outputs the following message every time when resizing images.

Code: Select all

convert: clCreateBuffer failed. . @ warning/accelerate.c/ComputeResizeImage/2823.

convert test.jpg test.png works fine, but when resizing like convert -resize 100x test.jpg test-100.jpg the message shown above appears. The action itself (e.g. resizing) works properly: The image gets resized. convert just returns said error message in addition.

Additional info

• imagemagick 6.8.7-7 (named 6.8.7.7-1 in Arch Linux repositories)
• system is up to date according to the repository mirror I use
• see this JPEG file that I used for testing
• bug is new since 6.8.7-7 and did not appear in previous version
• original bug report at Arch Linux bug tracker

Steps to reproduce

• install imagemagick 6.8.7-7
• perform convert -geometry 100x test.jpg test-100.jpg

Version informations

Code: Select all

$ convert --version
Version: ImageMagick 6.8.7-7 Q16 x86_64 2013-11-25 http://www.imagemagick.org
Copyright: Copyright (C) 1999-2014 ImageMagick Studio LLC
Features: DPC HDRI Modules OpenCL OpenMP
Delegates: bzlib cairo fontconfig freetype gslib jng jp2 jpeg lcms lqr ltdl lzma openexr pangocairo png ps rsvg tiff webp wmf x xml zlib

$ uname -rms
Linux 3.12.1-3-ARCH x86_64

[dlemstra]

We can reproduce the problem you posted and have a patch in ImageMagick 6.8.7-9 Beta, available by sometime tomorrow. Thanks.

[dirk123]

Sounds great! Thanks for the quick response!

[pronaldzito]

I downloaded ImageMagick-6.8.7-9.tar.bz2, configured and built the software, but I am still getting the error:
lt-convert: clCreateBuffer failed. . @ warning/accelerate.c/ComputeResizeImage/2816.

[magick]

It means your GPU does not have enough memory so it reverts to the host CPU. You should get correct results despite the warning. We're looking toward making the warning silent if the GPU does not have enough memory.

[pronaldzito]

Is the warning new to version 6.8.7?
We had previously build 6.8.6-9 and see no warning - now I wonder if the GPU is actually being used.

[magick]

Expanded GPU support is a recent contribution, just a few weeks old. It works well but does require a few tweaks.

[dlemstra]

We noticed another bug in detecting the device that will be used. We will have a patch in ImageMagick 6.8.7-9 Beta available by sometime tomorrow.