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Re: Error: Array has a corrupted descriptor [message #51548]

Tue, 28 November 2006 09:49

Karl Schultz
Messages: 341
Registered: October 1999

Senior Member

On Tue, 28 Nov 2006 09:16:48 -0800, Gongqin Shen wrote:

> I agree, that does make sense since IDL must use MALLOC routine
> internally (I assume IDL is written in C) to claim the memory any time
> the size of array changes, and constantly changing it will fragment the
> memory like crazy as you said. However, I have modified my code to get
> rid of the BYTARR line and keep the dynamically modifying array line,
> and the program doesn't crash now.
> I am really confused here and hope someone can be the myth-buster.

This is surprising. My best guess at the moment is that you reduced the
memory fragmentation problem which allows LABEL_REGION to proceed without
encountering storage allocation errors. LABEL_REGION may still have a bug
when recovering from a storage allocation problem that resulted in the
corrupted array descriptor. The code paths (yes, written in C) that
recover from storage allocation problems are a bit hard to exercise under
various storage allocation conditions.

It would be best if you could wrap up your (failing) code and data and
send it to support at ittvis dot com.

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[Message index]

		Re: Error: Array has a corrupted descriptor By: Karl Schultz on Tue, 28 November 2006 09:49
		Re: Error: Array has a corrupted descriptor By: David Fanning on Tue, 28 November 2006 09:24
		Re: Error: Array has a corrupted descriptor By: David Fanning on Tue, 28 November 2006 09:20
		Re: Error: Array has a corrupted descriptor By: gqshen2008@gmail.com on Tue, 28 November 2006 09:20
		Re: Error: Array has a corrupted descriptor By: gqshen2008@gmail.com on Tue, 28 November 2006 09:16
		Re: Error: Array has a corrupted descriptor By: Karl Schultz on Tue, 28 November 2006 09:12
		Re: Error: Array has a corrupted descriptor By: David Fanning on Tue, 28 November 2006 08:06
		Re: Error: Array has a corrupted descriptor By: gqshen2008@gmail.com on Tue, 28 November 2006 07:49
		Re: Error: Array has a corrupted descriptor By: David Fanning on Mon, 27 November 2006 19:24

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