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From "Geir Magnusson Jr." <g...@pobox.com>
Subject Re: [drlvm] Need help debugging
Date Wed, 13 Sep 2006 06:26:50 GMT
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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