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Message-ID: <23951bd90609130030r65055ee5g52716acb19b71297@mail.gmail.com>
Date: Wed, 13 Sep 2006 14:30:45 +0700
From: "Vladimir Gorr" <vvgorr@gmail.com>
To: harmony-dev@incubator.apache.org, geir@pobox.com
Subject: Re: [drlvm] Need help debugging
In-Reply-To: <4507A4AA.5040103@pobox.com>
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Probably, you didn't note I've commented this fragment of code (firts & last
lines).
Sorry I didn't mention about this before. After these changes I could
sucessfully start the ActiveMQ.
Before I have the following error:

Assertion failed: size >= skip
Trying to skip 6 frames but there are only 5 frames in stack
java:
/nfs/ins/proj/drl/coreapi/vgorr/drlvm/trunk/vm/vmcore/src/kernel_classes/native/org_apache_harmony_vm_VMStack.cpp:301:
_jobject* Java_org_apache_harmony_vm_VMStack_getStackTrace(JNIEnv*,
_jobject*, _jobject*): Assertion `size >= skip' failed.
abort_handler()

Thanks,
Vladimir.

On 9/13/06, Geir Magnusson Jr. <geir@pobox.com> wrote:
>
> I'm a little skeptical, as I had that change in before you first tested
> and found a problem, right?
>
> geir
>
>
> Vladimir Gorr wrote:
> > vm\vmcore\src\kernel_classes\native\org_apache_harmony_vm_VMStack.cpp
> > ...
> > * /*
> > *    // skip Thread.runImpl()
> >    size--;
> >
> >    // skip the VMStart$MainThread if one exits from the bottom of the
> stack
> >    // along with 2 reflection frames used to invoke method main
> >    static String* starter_String =
> > genv->string_pool.lookup("java/lang/VMStart$MainThread");
> >    Method_Handle method = frames[size].method;
> >    assert(method);
> >    // skip only for main application thread
> >    if (!strcmp(method_get_name(method), "runImpl")
> >        && method->get_class()->name == starter_String) {
> >        int rem = size - skip-1;
> >        size -= rem < 2 ? rem : 2;
> >    }
> >    ASSERT(size >= skip, "Trying to skip " << skip
> >        << " frames but there are only "
> >        << size << " frames in stack");
> > *    */*
> > ...
> >
> >
> > Thanks,
> > Vladimir.
> >
> > On 9/13/06, Geir Magnusson Jr. <geir@pobox.com> wrote:
> >>
> >>
> >>
> >> Vladimir Gorr wrote:
> >> > I was able to sucessfully run both applications (Eclipse & ActiveMQ)
> >> for
> >> > the
> >> > recent build.
> >>
> >> what changed?
> >>
> >> geir
> >>
> >> >
> >> > Thanks,
> >> > Vladimir.
> >> >
> >> > On 9/12/06, Geir Magnusson Jr. <geir@pobox.com> wrote:
> >> >>
> >> >> 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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> >> >>
> >> >
> >>
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> >
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