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Segmentation Fault when rendering instances

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Pedro Gomez
Segmentation Fault when rendering instances
on Oct 26, 2010 at 12:40:03 am

Hi,

I am working on a scene which contains lot of instances. To create the instances I use the following command:

#Previusly I have selected the mesh which I want to instance
cmds.instance()

The problem occurs when I try to render the scene using the Maya software renderer. It happens during the rendering. I attach the output of the gdb debugger:


Rendering current frame.

Program received signal SIGSEGV, Segmentation fault.
[Switching to Thread 0x46810950 (LWP 18461)]
0x00002aaad50833b8 in TtileNode::buildTriangleWrapperList () from /usr/autodesk/maya/lib/libRenderSlice.so
(gdb) bt
#0 0x00002aaad50833b8 in TtileNode::buildTriangleWrapperList () from /usr/autodesk/maya/lib/libRenderSlice.so
#1 0x00002aaad4fa7edf in TrenderTesselation::buildEasScanConvertables () from /usr/autodesk/maya/lib/libRenderSlice.so
#2 0x00002aaad4f7cb8f in TperTileBboxWrapper::scanConvertForTile () from /usr/autodesk/maya/lib/libRenderSlice.so
#3 0x00002aaad4f72f7a in ThiderWrapperList::nextNode () from /usr/autodesk/maya/lib/libRenderSlice.so
#4 0x00002aaad4f4be16 in TeasSampler::sampleWrapperList () from /usr/autodesk/maya/lib/libRenderSlice.so
#5 0x00002aaad50a0e7e in TtileRenderData::sampleWrappersInSpace () from /usr/autodesk/maya/lib/libRenderSlice.so
#6 0x00002aaad50a298e in TtileRenderData::EASSampleVector () from /usr/autodesk/maya/lib/libRenderSlice.so
#7 0x00002aaad509bb07 in TtileNode::sampleNextScanline () from /usr/autodesk/maya/lib/libRenderSlice.so
#8 0x00002aaad5098922 in TtileNode::renderTileScanlines () from /usr/autodesk/maya/lib/libRenderSlice.so
#9 0x00002aaad5045c92 in destr_detour156.0.329 () from /usr/autodesk/maya/lib/libRenderSlice.so
#10 0x00002aaad5045ad9 in sMpRenderTilesProc () from /usr/autodesk/maya/lib/libRenderSlice.so
#11 0x00002aaaceba8cb4 in TmtThreadSubPool::sThreadStagingProc () from /usr/autodesk/maya/lib/libFoundation.so
#12 0x00002aaaceba999f in TmtThread::fork () from /usr/autodesk/maya/lib/libFoundation.so
#13 0x00002b5916115020 in start_thread () from /lib64/libpthread.so.0
#14 0x00002b5915e8df8d in clone () from /lib64/libc.so.6
#15 0x0000000000000000 in ?? ()
(gdb) info threads
* 48 Thread 0x46810950 (LWP 18461) 0x00002aaad50833b8 in TtileNode::buildTriangleWrapperList () from /usr/autodesk/maya/lib/libRenderSlice.so
47 Thread 0x4600f950 (LWP 18460) 0x00002aaad5083ab9 in TtileNode::buildTriangleWrapperList () from /usr/autodesk/maya/lib/libRenderSlice.so
46 Thread 0x4580e950 (LWP 18459) 0x00002aaad5083adb in TtileNode::buildTriangleWrapperList () from /usr/autodesk/maya/lib/libRenderSlice.so
45 Thread 0x42003950 (LWP 18458) 0x00002aaad50838bf in TtileNode::buildTriangleWrapperList () from /usr/autodesk/maya/lib/libRenderSlice.so
44 Thread 0x4500d950 (LWP 18457) 0x00002aaad50833b8 in TtileNode::buildTriangleWrapperList () from /usr/autodesk/maya/lib/libRenderSlice.so
43 Thread 0x4480c950 (LWP 18456) 0x00002aaad508661e in TtileNode::buildTriangleWrapperList () from /usr/autodesk/maya/lib/libRenderSlice.so
42 Thread 0x4400b950 (LWP 18455) 0x00002aaad5085680 in TtileNode::buildTriangleWrapperList () from /usr/autodesk/maya/lib/libRenderSlice.so
41 Thread 0x42804950 (LWP 18454) 0x00002aaad508b524 in TfltBox::isNull () from /usr/autodesk/maya/lib/libRenderSlice.so
8 Thread 0x4380a950 (LWP 17941) 0x00002b5915e5f6a1 in nanosleep () from /lib64/libc.so.6
7 Thread 0x43005950 (LWP 17940) 0x00002b5916119656 in pthread_cond_wait@@GLIBC_2.3.2 () from /lib64/libpthread.so.0
4 Thread 0x41802950 (LWP 17930) 0x00002b591611b1cd in sem_wait () from /lib64/libpthread.so.0
3 Thread 0x41001950 (LWP 17927) 0x00002b5916119847 in pthread_cond_timedwait@@GLIBC_2.3.2 () from /lib64/libpthread.so.0
2 Thread 0x40800950 (LWP 17926) 0x00002b5915e859e6 in poll () from /lib64/libc.so.6
1 Thread 0x2b59185be470 (LWP 17923) 0x00002b5916119656 in pthread_cond_wait@@GLIBC_2.3.2 () from /lib64/libpthread.so.0

The problem seems to be in the libRenderSlice library.

I have been reading the documentation and I have not found anything related with this problem.

Have you ever had this problem? How did you solve it?

Thank you in advance,

Peter.


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