# Crash in the Surface Engine

**URL:** <https://discuss.avogadro.cc/t/crash-in-the-surface-engine/894>\
**Category:** Development\
**Created:** [March 10, 2008, 3:10pm UTC](https://discuss.avogadro.cc/t/crash-in-the-surface-engine/894 "2008-03-10T15:10:27Z")\
**Posts on this page:** 1\
**Page:** 1

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**Author:** ![SourceForge\_net](https://discuss.avogadro.cc/letter_avatar_proxy/v4/letter/s/71c47a/32.png) [@SourceForge\_net](https://discuss.avogadro.cc/u/SourceForge_net)\
**Post date:** [March 10, 2008, 3:10pm UTC](https://discuss.avogadro.cc/t/crash-in-the-surface-engine/894/1 "2008-03-10T15:10:27Z")

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Bugs item #1911138, was opened at 2008-03-10 16:10  
Message generated for change (Tracker Item Submitted) made by Item Submitter  
You can respond by visiting:  
[https://sourceforge.net/tracker/?func=detail&atid=835077&aid=1911138&group\_id=165310](https://sourceforge.net/tracker/?func=detail&atid=835077&aid=1911138&group_id=165310)

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Category: Commands / Extensions  
Group: None  
Status: Open  
Resolution: None  
Priority: 6  
Private: No  
Submitted By: Carsten Niehaus (cniehaus)  
Assigned to: Marcus D. Hanwell (cryosuk)  
Summary: Crash in the Surface Engine.

Initial Comment:

I created several molecule (all only C and H atom) and tried to crash Avogadro. VDW and Surface engine was active.

Latest OB and Avogadro.

Program received signal SIGSEGV, Segmentation fault.  
[Switching to Thread 0xb41b7b90 (LWP 15493)]  
0xb7d81245 in OpenBabel::OBAtom::GetVector (this=0x8337534) at atom.cpp:336  
336 \_v.Set((_\_c)[\_cidx],(_\_c)[\_cidx+1],(\*\_c)[\_cidx+2]);  
Current language: auto; currently c++  
(gdb) bt  
#0 0xb7d81245 in OpenBabel::OBAtom::GetVector (this=0x8337534) at atom.cpp:336  
#1 0xb6732fb2 in Avogadro::VDWGridThread::run () from /home/kde-devel/kde/build/avo-git/libavogadro/src/engines/libsurfaceengine.so  
#2 0xb716acc7 in QThreadPrivate::start () from /usr/lib/libQtCore.so.4  
#3 0xb70e6192 in start\_thread () from /lib/libpthread.so.0  
#4 0xb6df702e in clone () from /lib/libc.so.6

* * *

You can respond by visiting:  
[https://sourceforge.net/tracker/?func=detail&atid=835077&aid=1911138&group\_id=165310](https://sourceforge.net/tracker/?func=detail&atid=835077&aid=1911138&group_id=165310)
