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Re: Widget Object graphics code crashes V8.2 [message #80606] Thu, 28 June 2012 13:25
wlandsman is currently offline  wlandsman
Messages: 743
Registered: June 2000
Senior Member
Thanks for the suggestion, but the crash still occurs with garbage collection disable. Cheers, --Wayne
>
>
> Automatic garbage collection creating garbage? :-)
>
> Try to run your session with 'x=heap_refcount, /disable' (automatic garbage collection disabled).
>
> regards,
> Lajos
Re: Widget Object graphics code crashes V8.2 [message #80609 is a reply to message #80606] Thu, 28 June 2012 12:35 Go to previous message
Lajos Foldy is currently offline  Lajos Foldy
Messages: 176
Registered: December 2011
Senior Member
On Thursday, June 28, 2012 8:58:59 PM UTC+2, wlandsman wrote:
> This is a preliminary report of a problem we are having with V8.2 in a widget program (not mine) using object graphics (e.g. IDLgrModel). I will report again when I have narrowed down the cause -- but I suspect it will not be easy to debug.
>
> The plot displays fine in both V8.1 and V8.2. The problem in V8.2 comes when the widget is closed
>
> WIDGET_CONTROL, gui, /DESTROY
>
> and IDL crashes. I reproduce a few lines of the crash report below, in case that gives anyone clues of what might be going on.
>
> Thanks, --Wayne
>
> Exception Type: EXC_BAD_ACCESS (SIGSEGV)
> Exception Codes: KERN_INVALID_ADDRESS at 0x0000000000000000
>
> VM Regions Near 0:
> -->
> __TEXT 0000000100000000-0000000100004000 [ 16K] r-x/rwx SM=COW /Applications/exelis/*/idlde.darwin.x86_64.app/Contents/MacO S/idlde
>
> Application Specific Information:
> objc[55093]: garbage collection is OFF
>
> Java information:
> Exception type: Bus Error (0xa) at pc=117a86117


Automatic garbage collection creating garbage? :-)

Try to run your session with 'x=heap_refcount, /disable' (automatic garbage collection disabled).

regards,
Lajos
Re: Widget Object graphics code crashes V8.2 [message #80610 is a reply to message #80609] Thu, 28 June 2012 12:19 Go to previous message
wlandsman is currently offline  wlandsman
Messages: 743
Registered: June 2000
Senior Member
On Thursday, June 28, 2012 3:09:51 PM UTC-4, David Fanning wrote:

> The problem is the program is running on a Mac. ;-)

Same error on a Linux machine. ;-) Again only in V8.2 not V8.1.

# A fatal error has been detected by the Java Runtime Environment:
#
# SIGSEGV (0xb) at pc=0x00007fe4508b5856, pid=2878, tid=140618595731200
#
# JRE version: 6.0_17-b04
# Java VM: Java HotSpot(TM) 64-Bit Server VM (14.3-b01 mixed mode linux-amd64 )
# Problematic frame:
# C [libidl.so.8.2+0x357856] IDL_RBtreeDestroy+0x2e
#
Re: Widget Object graphics code crashes V8.2 [message #80612 is a reply to message #80610] Thu, 28 June 2012 12:09 Go to previous message
David Fanning is currently offline  David Fanning
Messages: 11724
Registered: August 2001
Senior Member
wlandsman writes:

> I reproduce a few lines of the crash report below,
> in case that gives anyone clues of what might be going on.

The problem is the program is running on a Mac. ;-)

Cheers,

David




--
David Fanning, Ph.D.
Fanning Software Consulting, Inc.
Coyote's Guide to IDL Programming: http://www.idlcoyote.com/
Sepore ma de ni thui. ("Perhaps thou speakest truth.")
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