| Re: % FINDFILE: Error managing child process. [message #40234 is a reply to message #40226] |
Sun, 25 July 2004 11:23   |
R.Bauer
Messages: 1424
Registered: November 1998
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Senior Member |
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Timm Weitkamp wrote:
> On 24.07.04 at 21:21 -0500, Craig Markwardt wrote:
>
>> Timm Weitkamp <dont.try@this.address> writes:
>>> I am having an annoying problem with FINDFILE on a Sunblade with IDL
>>> 6.0 (version = { sparc sunos unix Solaris 6.0 Jun 27 2003 64 64}). I
>>> run an IDL program that runs fine on other machines (PCs running Linux)
>>> and used to work on this Sunblade too, and now it stops with an error
>>> message at a call to FINDFILE. The call is alright, the problem is that
>>> FINDFILE seems to spawn an "ls" or something, because I get the same
>>> error when I spawn "ls" by hand:
>>>
>>> IDL> $ls
>>> % Error managing child process.
>>> Not enough space
>>>
>>> What is this? Bug? Feature? Memory problem? It actually occurs with
>>> *any* spawned command (I tried "cat" or even non-existent commands with
>>> the same result). Can I circumvent this somehow? Any help appreciated.
>>> Here's the system info:
>>
>> I seem to recall a friend having a problem like this. Somehow, by
>> accident, his "/tmp" scratch area was non-writeable, except by root.
>> Once we made it writeable, then all sorts of things started to work
>> again. We speculated that somehow IDL was attempting to make a
>> temporary file, which it couldn't do when permissions were wrong.
>
> Thank you for this hint, Craig, which I will keep in mind. At first
> glance, though, it doesn't exactly seem to be that (/tmp/ is writable).
> Another thing is that I now tried with different IDL releases (5.4, 5.6,
> and 6.0). The problem occurs with 5.6 and 6.0, but not with 5.4.
> Unfortunately my code relies on some functionality introduced in 5.6.
>
> Also, it only occurs after allocating a considerable bunch of memory for
> an array (something like 4 GB out of the total of 6 GB of RAM available).
> But once the bug strikes, even freeing memory with DELVAR or TEMPORARY
> does not help anymore.
>
> I worked on other Sunblades before (albeit with more memory available) and
> never ran into this. May have to contact RSI.
>
> Cheers,
> Timm
>
Dear Timm
findfile belongs to the obsolete routines. It was replaced by file_search.
Did you see the same problems by this one?
Reimar
--
Forschungszentrum Juelich
email: R.Bauer@fz-juelich.de
http://www.fz-juelich.de/icg/icg-i/
============================================================ ======
a IDL library at ForschungsZentrum Juelich
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