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From "Geir Magnusson Jr." <g...@pobox.com>
Subject Re: [drlvm] Need help debugging
Date Tue, 12 Sep 2006 14:40:00 GMT
doh.  Thanks.  I feel dumb for not trying the simplest thing first :)

There's a test...

geir


Anton Luht wrote:
> Hello,
> 
> The 'java -jar' launcher prints dump and exits even on a minimal
> HelloWorld app jar - please see
> http://issues.apache.org/jira/browse/HARMONY-1444
> 
> On 9/12/06, Anton Luht <anton.luht@gmail.com> wrote:
>> No, I used hand-made build from SVN.
>>
>> BTW, sorry for confusion about 'broken data'. The pointer value is
>> changed inside the method - this assignment should be removed.
>>
>> On 9/12/06, Vladimir Gorr <vvgorr@gmail.com> wrote:
>> > Did you run this application for the recent binaries got from the SVN
>> > sources?
>> > As for me my results differ from Geir ones, namely, DRLVM crashes 
>> for both
>> > Windows & Linux as follows:
>> >
>> > =======
>> > Windows
>> > =======
>> >
>> > vgorr@ /cygdrive/c/Tools/incubator-activemq-4.0
>> > $ echo JAVA_HOME
>> > JAVA_HOME
>> >
>> > vgorr@ /cygdrive/c/Tools/incubator-activemq-4.0
>> > $ echo $CLASSPATH
>> > c:/Tools/incubator-activemq-4.0/lib
>> >
>> > vgorr@ /cygdrive/c/Tools/incubator-activemq-4.0
>> > $ which java
>> > 
>> /cygdrive/c/DrlSrc/drlvm/trunk/build/win_ia32_msvc_debug/deploy/jre/bin/java 
>>
>> >
>> > vgorr@ /cygdrive/c/Tools/incubator-activemq-4.0
>> > $ bin/activemq
>> > cygpath: can't convert empty path
>> >
>> > An unhandled error (4) has occurred.
>> > HyGeneric_Signal_Number=00000004
>> > ExceptionCode=c0000005
>> > ExceptionAddress=00F3D648
>> > ContextFlags=0001003f
>> > Handler1=00401010
>> > Handler2=11105D20
>> > InaccessibleAddress=00F3D648
>> > EDI=0013F9D4
>> > ESI=0013F768
>> > EAX=00000000
>> > EBX=0000000B
>> > ECX=00000001
>> > EDX=0000000C
>> > EIP=00F3D648
>> > ESP=0013F764
>> > EBP=0013F770
>> > Module=
>> > Module_base_address=00F30000
>> > Offset_in_DLL=0000d648
>> > ====
>> > Linux
>> > ====
>> >
>> > sh bin/activemq
>> > java:
>> > 
>> /nfs/ins/proj/drl/coreapi/vgorr/drlvm/trunk/vm/vmcore/src/exception/exceptions.cpp:143:

>>
>> > _jobject* create_exception(const char*): Assertion
>> > `hythread_is_suspend_enabled()' failed.
>> > abort_handler()
>> > Aborted
>> >
>> >
>> > Thanks,
>> > Vladimir.
>> >
>> > On 9/12/06, Anton Luht <anton.luht@gmail.com> wrote:
>> > >
>> > > Hello,
>> > >
>> > > I'm observing the same problem - ActiveMQ can't start - on DRLVM +
>> > > Classlibrary build 442240 .
>> > >
>> > > The problem I see first is that in
>> > > <classlib root>\modules\luni\src\main\native\launcher\shared\main.c
>> > >
>> > > in function 'static int invocation' after call 'createVMArgs' 
>> variable
>> > > 'mainClassJar' contains garbale while in the very end of 'static int
>> > > createVMArgs' it contains valid string
>> > > 'org.apache.harmony.kernel.vm.JarRunner' . If we comment out
>> > > 'hymem_allocate_memory' in that function:
>> > >
>> > > if (isStandaloneJar)
>> > >    {
>> > >      if (useDefaultJarRunner == 0)
>> > >        {
>> > >          //:::commented out:::: mainClassJar = 
>> hymem_allocate_memory (50);
>> > >          if (mainClassJar == NULL)
>> > >
>> > > the application will crash a little later. Note: we can comment this
>> > > out because memory for mainClassJar is already allocated in the
>> > > calling method.
>> > >
>> > > I believe that the general problem is that contents of memory 
>> alocated
>> > > with hymem_allocate_memory get somehow broken on exit from a method.
>> > >
>> > > On 9/9/06, Geir Magnusson Jr. <geir@pobox.com> wrote:
>> > > > I applied the GCv4.1 patch and now I pass smoke test.  I suspect 
>> it may
>> > > > be because the patch modifies the LOS test, but I'm not so sure.
>> > > >
>> > > > that patch (HARMONY-1269) is a sole-author patch to our existing
>> > > > codebase, and while I do have a BCC to put in SVN, I think that 
>> this is
>> > > > a patch, and not a "bulk contribution", so I'll go forward and 
>> commit
>> > > it.
>> > > >
>> > > > geir
>> > > >
>> > > >
>> > > > Geir Magnusson Jr. wrote:
>> > > > > More news - I'm not passing the smoke tests. gc.LOC just spins

>> (and
>> > > > > sucks a lot of memory in).
>> > > > >
>> > > > > Clearly what I thought were trivial changes to switch to use
the
>> > > > > launcher had hidden effects.  Any suggestions where to start

>> looking?
>> > > > >
>> > > > > geir
>> > > > >
>> > > > > Geir Magnusson Jr. wrote:
>> > > > >> I was testing the DRLVM-in-Launcher setup and something is

>> seriously
>> > > > >> broken.
>> > > > >>
>> > > > >> On Ubuntu, both debug and release builds, it will run Tomcat

>> ok, but
>> > > > >> when I try something like Eclipse 3.2 or ActiveMQ 4.0.2 the

>> program
>> > > > >> runs and silently exits.  No log output, no console output.
>> > > > >>
>> > > > >> I've been trying to find a hint of what is making it unhappy,

>> but so
>> > > > >> far, no luck.
>> > > > >>
>> > > > >> I've been staring at the output with -Xlog and -Xtrace, and

>> there
>> > > > >> doesn't seem to be any errors, but I don't know what to look

>> for.  (
>> > > > >>
>> > > > >> I've captured the stream and placed it here :
>> > > > >>
>> > > > >>   
>> http://people.apache.org/~geirm/activemq-logstream-20060909.txt
>> > > > >>   
>> http://people.apache.org/~geirm/activemq-tracestream-20060909.txt
>> > > > >>
>> > > > >> If anyone has any hints, I'd be mighty obliged...
>> > > > >>
>> > > > >> geir
> 

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