Signal 11, or officially know as "segmentation fault", means that the program accessed a memory location that was not assigned.

Sorry all, initially missed to repetition the question (that was only on the title).

What can cause an signal 11?

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-1 Seems like an answer not a question... – Scott Lundberg Sep 22 '09 at 1:50
If you want to make an info type post, it is better if you work on writing a good question. meta.stackoverflow.com/questions/17463 meta.stackoverflow.com/questions/12513 – Zoredache Sep 22 '09 at 5:45
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closed as not a real question by splattne Sep 22 '09 at 13:24

It's difficult to tell what is being asked here. This question is ambiguous, vague, incomplete, overly broad, or rhetorical and cannot be reasonably answered in its current form. See the FAQ for guidance on how to improve it.

2 Answers

Please refer to segmentation fault on linux/unix

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That's usually a bug in a program. So if you're writing your own program, that's the most likely cause.

I have also read that it is very common to have something to do with hardware.

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Is this some kind of joke? – Izzy Sep 21 '09 at 22:35
@Izzy: probably an info-type post related to his other question: serverfault.com/questions/67166/… – squillman Sep 21 '09 at 22:49
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