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"clipka" <nomail@nomail> wrote:
> "clipka" <nomail@nomail> wrote:
> > I experience segfaults when trying to render the balcony.pov sample scene with
> > what would be the beta.30-rad1 for Linux (which unfortunately isn't published
> > yet).
>
> Yet another additional note:
>
> When running on 4 cores, The segfault invariably occurs at about 68% into the
> final trace. That's roughly where the right leg of the table comes into view
> below the tablecloth; it doesn't say much however about the exact location of
> the problematic feature: The segfault could be related to a feature in a
> slow-rendering square.
>
> However, we can expect the problematic feature to be not too far away; what
> catches my eye right away are the items on the table - which use photon
> mapping.
>
> (Running POV in single-thread mode might allow to pinpoint the location of the
> problematic feature to a 32x32 square; unfortunately I haven't been able to get
> it to segfault yet... well, actually I did get it to segfault before, but I
> discarded the logfile before thinking about this, and at the moment I'm running
> slightly different code which doesn't seem to segfault single-threaded.)
Work here (with some patches posted on this forum about missing headers):
~/bin/povray -w600 -h800 +a0.3 balcony.pov
==== [Rendering...] ========================================================
Rendered 480000 of 480000 pixels (100%)1369 pixels (92%)
----------------------------------------------------------------------------
Render Statistics
Image Resolution 600 x 800
----------------------------------------------------------------------------
Pixels: 520438 Samples: 1009638 Smpls/Pxl: 1.94
Rays: 8689094 Saved: 73221 Max Level: 15/15
----------------------------------------------------------------------------
Ray->Shape Intersection Tests Succeeded Percentage
----------------------------------------------------------------------------
Box 38108326 7086401 18.60
Cone/Cylinder 25201563 7811008 30.99
CSG Intersection 26250463 4233964 16.13
CSG Merge 4073047 2148205 52.74
CSG Union 2683481 364287 13.58
Height Field 2361120 377505 15.99
Height Field Box 2361120 2316288 98.10
Height Field Triangle 9949624 401010 4.03
Height Field Block 10484599 3085837 29.43
Height Field Cell 32724633 5274428 16.12
Isosurface 5095537 680201 13.35
Isosurface Container 5113550 5113313 100.00
Isosurface Cache 779879 77790 9.97
Mesh 5243230 746253 14.23
Plane 71584938 16822081 23.50
Sphere 9680750 7800259 80.57
Torus 14372278 1000488 6.96
Torus Bound 14372278 1195715 8.32
Bounding Box 963390087 301050865 31.25
----------------------------------------------------------------------------
Isosurface roots: 5090612
Function VM calls: 58457879
----------------------------------------------------------------------------
Roots tested: 1195715 eliminated: 467417
Shadow Ray Tests: 25295819 Succeeded: 5491122
Shadow Cache Hits: 3400666
Reflected Rays: 1145669 Total Internal: 9270
Refracted Rays: 1008717
----------------------------------------------------------------------------
----------------------------------------------------------------------------
Render Time:
Photon Time: 0 hours 0 minutes 0 seconds (0.251 seconds)
using 11 thread(s) with 0.844 CPU-seconds total
Radiosity Time: 0 hours 0 minutes 6 seconds (6.699 seconds)
using 8 thread(s) with 36.249 CPU-seconds total
Trace Time: 0 hours 1 minutes 29 seconds (89.724 seconds)
using 8 thread(s) with 494.350 CPU-seconds total
POV-Ray finished
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