It's great that you got it running...I will try with the updated
-testing on the compiler patch and see what I can see here.
Attila: Can you show the command line you're using to run fib in
JRuby? And can you try running JRuby with --bytecode and see if it's
actually emitting INVOKEDYNAMIC?
On Tue, Aug 4, 2009 at 7:16 AM, Christian
Thalinger<christian.thalin...@sun.com> wrote:
> Christian Thalinger wrote:
>> Christian Thalinger wrote:
>>> Christian Thalinger wrote:
>>>> Still building the newly checked out version...
>>> Finally I can reproduce the crashes. Either it's related to debug vs.
>>> product build or the additional patches applied. Still investigating...
>>
>> Oh no! It's so obvious :-/ indy.compiler.patch is not enabled for
>> default builds and so the VM crashes when the compiler kicks in.
>>
>> I just pushed a changeset[1] that enables the patch. Please update your
>> mlvm repository and build again.
>
> With a debug build I get this assert:
>
> $ bin/jruby --server -J-Djruby.compile.invokedynamic=true
> -J-XX:+EnableInvokeDynamic bench/bench_fib_recursive.rb 100
> VM option '+EnableInvokeDynamic'
> 5.950000 0.000000 5.950000 ( 5.562000)
> # Found non oop pointer. Dumping state at failure
> ------
> OopMap{ebp=Oop [80]=Oop [84]=Oop [48]=Oop [52]=Oop off=680}bci: 106
> Compiled frame (sp=0xb00fe7e0 unextended sp=0xb00fe810, fp=0xb00fe810,
> pc=0x0289da08)
> 116 nmethod (2)
> bench.bench_fib_recursiveInvokermethod__0$RUBY$fib_rubyFixed1::call (15
> bytes)
> 116 nmethod (2)
> bench.bench_fib_recursiveInvokermethod__0$RUBY$fib_rubyFixed1::call (15
> bytes)
> Register map
> ebp [0xb00fe7d8] = 0xb00fe810
> ------
> ebp=Oop register r
> ebploc = 0xb00fe7d8 *loc = 0xb00fe810
>
> # To suppress the following error report, specify this argument
> # after -XX: or in .hotspotrc: SuppressErrorAt=/oopMap.cpp:408
> #
> # A fatal error has been detected by the Java Runtime Environment:
> #
> # Internal Error
> (/Users/twisti/mlvm/tmp/hotspot/src/share/vm/compiler/oopMap.cpp:408),
> pid=6427, tid=2954375168
> # Error: assert(Universe::heap()->is_in_or_null(*loc),"found non oop
> pointer")
>
> -- Christian
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