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Crashes in IDL 7.1 & 8.0, interactive + VM mode, linux and Mac OS X [message #74487]

Wed, 19 January 2011 09:09

Stein Vidar Hagfors H is currently offline

Stein Vidar Hagfors H
Messages: 32
Registered: May 1997

Member

I've found that a RESTORE of SAVE'd system variables often causes a
crash [or failed assertion] inside glibc [on linux] and inside malloc
[on OS X]. The crash doesn't occur immediately, it happens during
subsequent actions at some point. I've been able to put together a
modest tarball with code required to reproduce the error, but I've
given up looking for the instructions on "this is how you report bugs
to us so we can fix them, without going through your local provider or
another few hoops".

So, I'm posting here [where I infrequently visit, nowadays, although I
was 'big' back in the nineties ;-], in the hope that someone'll pick
it up and run with it [maybe someone from VNI/RSI sees it].

The SAVE/RESTORE sequence can be right after one another, so it's not
like the content of the sysvars should change...

Anyhow, here's a link to the tarball: http://folk.uio.no/steinhh/idl/crashing.tar.gz

Download, unzip/tar, make sure the directory ["crashing"] is
writeable, cd into it, start IDL, do "@setup_crash".
After that, calling the procedure "crash" will save+restore system
variables, and call a set of functions that'll provoke the crash. The
setup_crash file also writes a "crash.sav" file that can be used to
provoke the crash in VM mode (idl -vm=crash.sav). Hope this "works"
for everyone else ;-)

I've realized that I'll need to find a workaround rather than wait for
a fix, so I'm not going to take this any further...

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[Message index]

		Crashes in IDL 7.1 & 8.0, interactive + VM mode, linux and Mac OS X By: Stein Vidar Hagfors H on Wed, 19 January 2011 09:09
		Re: Crashes in IDL 7.1 & 8.0, interactive + VM mode, linux and Mac OS X By: svhhaugan on Fri, 21 January 2011 07:51
		Re: Crashes in IDL 7.1 & 8.0, interactive + VM mode, linux and Mac OS X By: chris_torrence@NOSPAM on Wed, 26 January 2011 18:58
		Re: Crashes in IDL 7.1 & 8.0, interactive + VM mode, linux and Mac OS X By: Michael Galloy on Wed, 26 January 2011 19:40

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