Re: Odd crashes with Java

[Philip Nienhuis]

Rik-4 wrote
> On 12/16/2012 04:56 AM, 

> octave-maintainers-request@

>  wrote:
>> Message: 9
>> Date: Sun, 16 Dec 2012 04:55:58 -0800 (PST)
>> From: Philip Nienhuis <

> address@hidden

> >
>> To: 

> octave-maintainers@

>> Subject: Re: make check: segmentation fault in triplequad.m (in CLI)
>> Message-ID: <

> address@hidden

>>
>> Content-Type: text/plain; charset=us-ascii
>>
>> Philip Nienhuis wrote
>>> > 15794:cf3bb2f353a5 tip
>>> > Linux Mageia 2
>>> > 
>>> > address@hidden oct370]$ make check
>>> > 
>>> > :
>>> >   libinterp/interpfcn/dirfns.cc .......................... PASS    1/1   
>>> >   libinterp/interpfcn/file-io.cc ......................... PASS    0/1   
>>> > FAIL 1
>>> >   libinterp/interpfcn/graphics.cc ........................ PASS  
>>> 14/14  
>>> > :
>>> > (the usual FAIL for file-io.cc, locale issue. There was a new FAIL for
>>> > logspace, I've fixed that)
>>> > :
>>> >   scripts/general/trapz.m ................................ PASS  
>>> 11/11
>>> >   scripts/general/triplequad.m ...........................make[1]: ***
>>> > [check] Segmentation fault
>>> > make[1]: Leaving directory `/home/philip/devel/oct370/test'
>>> > make: *** [check] Error 2
>>> > address@hidden oct370]$
>>> > 
>>> > Interestingly, in the CLI (./run-octave --no-gui):
>>> > 
>>> > octave:6> test triplequad
>>> > Segmentation fault
>>> > 
>>> > ...while in the GUI:
>>> > 
>>> > octave:1> test triplequad
>>> > PASSES 1 out of 1 tests
>>> > octave:2>
>>> > 
>>> > Octave (GUI) also seems unstable (I got several hangs).
>>> > 
>>> > Could this also be related to bug #37924 ?
>>> > 
>>> > Philip
>> Answering to myself:
>>
>> Apparently so. After having added some tests to ov_java.cc and
>> rebuilding,
>> make check now chooses to crash at:
>>
>> :
>>  scripts/general/curl.m ................................. PASS    1/1
>>   scripts/general/dblquad.m ..............................make[1]: ***
>> [check] Segmentation fault
>> make[1]: Leaving directory `/home/philip/devel/oct370/test'
>> make: *** [check] Error 2
>>
>> Philip
> 12/16/12
> 
> I think we do have some sort of instability that was introduced with Java. 
> I discern this particularly because the crashes move around when the code
> is re-compiled. 

Not only that - it also depends on whether code is run in the CLI or in the
GUI.


>                     Besides bug #37924, there is #37891 about a crash in
> contourc, and #37877 about crashes when using __java_init__ and
> __java_exit__.
> 
> Does 'make check' pass repeatedly if you configure with '--disable-java' ?

I haven't tried that yet.
Building now. Hopefully tonight I can give an answer.

Philip




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