[caret-users] segmentation fault upon exit

donna at pulvinar.wustl.edu donna at pulvinar.wustl.edu
Thu Sep 18 10:24:18 CDT 2003

And back to Mark's original question:  No, you don't have to worry about
this problem, other than it creating disk-intensive core files.  I have
seen this problem first-hand with a RedHat 9 Linux box in our neuroimaging
lab.  Upon exiting SureFit or after running a command line utility, you
get a seg fault.  I suspect some destructor code in SureFitOps.so is the
culprit, but haven't tracked it down via gdb yet.  It doesn't cause any
problems other than leaving an annoying core file behind.

PS My baby was born Monday 9/15/2003 at 2:11pm (Isabelle Grace, 7 lbs, 14
ounces, 21 inches).  She's named after my husband's grandmother -- not the
hurricane. ;-)

I'll be back half days on 10/13/2003.

> Hello,
> I talked with Donna Hanlon and this problem has been reported by
> another SureFit user running a newer version of linux.  If the
> segmentation fault is creating core files that take time to create, see
> the web page
> http://www.umanitoba.ca/acn/support/faq/unix/files/core-size.html for
> information on how to prevent the core files.
> If the segmentation faults are preventing you from using SureFit let me
> know and I will look into the problem further.
> We have also seen a problem with Caret on some newer linux systems
> including one of our linux computers.  In this case, drawing the
> surface as nodes does not work.  Other drawing modes, links or tiles,
> draw correctly.
> John Harwell
> On Monday, September 15, 2003, at 07:13 PM, Mark A. Pinsk wrote:
>> I just installed SureFit v4.45 on RH 9.0/Dell/Nvidia.  Upon exiting
>> anything in command-line or gui I get messages like this example:
>> /usr/local/SUREfit/bin/SureFit: line 27: 18990 Segmentation fault
>> $SFHOME/bin/python -c "import $command" $* 2>surefit.err
>> should I be worried?
>> thanks- mark
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