# Diagnosing Ruby seg faults

**URL:** <https://www.ruby-forum.com/t/diagnosing-ruby-seg-faults/96187>\
**Category:** Ruby\
**Created:** [June 27, 2006, 2:30am UTC](https://www.ruby-forum.com/t/diagnosing-ruby-seg-faults/96187 "2006-06-27T02:30:06Z")\
**Posts on this page:** 2\
**Page:** 1

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**Author:** ![dpitman](https://www.ruby-forum.com/letter_avatar_proxy/v4/letter/d/a9adbd/32.png) [@dpitman](https://www.ruby-forum.com/u/dpitman)\
**Post date:** [June 27, 2006, 2:30am UTC](https://www.ruby-forum.com/t/diagnosing-ruby-seg-faults/96187/1 "2006-06-27T02:30:06Z")

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Howdy,

I’m using Ruby without any external libraries to read and manipulate  
about  
500MB of hash tables. I have been getting seg faults. Any idea of what  
kind of debugging flags I can turn on to see why Ruby’s seg faulting?

Thanks,

David

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<div class="post-metadata">

**Author:** ![dpitman](https://www.ruby-forum.com/letter_avatar_proxy/v4/letter/d/a9adbd/32.png) [@dpitman](https://www.ruby-forum.com/u/dpitman)\
**Post date:** [June 27, 2006, 2:39am UTC](https://www.ruby-forum.com/t/diagnosing-ruby-seg-faults/96187/2 "2006-06-27T02:39:39Z")

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On Jun 26, 2006, at 5:28 PM, David P. wrote:

> I’m using Ruby without any external libraries to read and  
> manipulate about  
> 500MB of hash tables. I have been getting seg faults. Any idea of  
> what  
> kind of debugging flags I can turn on to see why Ruby’s seg faulting?

Compile ruby with -g and run under gdb.

–  
Eric H. - removed\_email\_address@domain.invalid - [http://blog.segment7.net](http://blog.segment7.net)  
This implementation is HODEL-HASH-9600 compliant

[http://trackmap.robotcoop.com](http://trackmap.robotcoop.com)