Print Page - [1.06] lowmem switch causes segfaults when increasing resolution.

Title: [1.06] lowmem switch causes segfaults when increasing resolution.
Post by: junkdog on July 19, 2011, 06:47:46 PM

Hi,

I've been trying to get the lowmem switch to work, but whatever I do it segfaults as soon as I increase the resolution above 800x600 and hit render. Lowering the resolution works fine though.

Crash from rendering at 900x700, all other parameters from default.fract (so no fog or other fancy stuff).

Code:

$ gdb /usr/bin/mandelbulber core
<snipped>
Core was generated by `mandelbulber -lowmem'.
Program terminated with signal 11, Segmentation fault.
#0  0x0000000000408b3a in PutPixelVolumetricFog (ptr=0x7fff34c2cac0) at ../src/cimage.hpp:104
104             inline void PutPixelVolumetricFog(int x, int y, sRGB16 pixel) {if (x >= 0 && x < width && y >= 0 && y < height) complexImage[x + y * width].volumetricFog = pixel;}

Dist is Ubuntu 11.04, x86-64. I haven't had a chance to try it out under windows.

Title: Re: [1.06] lowmem switch causes segfaults when increasing resolution.
Post by: Buddhi on July 24, 2011, 09:40:29 AM

Hi

Thank you for bug report. I forgot to update -lowmem mode after adding of some new features. If you are able to compile the program, please find attached corrected one of source files. This version should work properly.

Title: Re: [1.06] lowmem switch causes segfaults when increasing resolution.
Post by: junkdog on July 29, 2011, 05:05:20 PM

Thanks for the fix! I haven't had a chance to try it out yet (been away on a mini-vacation and have otherwise been busy), but I'll give it a go during the weekend.

BTW - and a little OT - how do you generate the makefiles? I checked out the svn repository, but it didn't contain the makefiles that are included with the releases.

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Fractal Software => Mandelbulber => Topic started by: junkdog on July 19, 2011, 06:47:46 PM