On Jun 15, 2011, at 8:08 PM, Charles Oliver Nutter wrote:
> FWIW, I only get the crash on my MLVM build if I pass these flags to JVM:
> 
> -XX:MaxInlineSize=150 -XX:InlineSmallCode=3000
> 
> See README and use jruby.jar from this repo to make it easier:
> 
> https://github.com/headius/indy-crasher
> 
> I'll try that x64 build in a moment.

Indeed I get a crash on Solaris and Linux using JDK7 b145.  But with a bundle 
containing the latest two fixes all looks good:

$ /java/re/jdk/7/promoted/all/b145/binaries/solaris-x64/bin/java -showversion 
-d64 -XX:MaxInlineSize=150 -XX:InlineSmallCode=3000 -Xbootclasspath/a:jruby.jar 
-Djruby.native.enabled=false org.jruby.Main -X+C --1.9 bench_etl.rb
java version "1.7.0-ea"
Java(TM) SE Runtime Environment (build 1.7.0-ea-b145)
Java HotSpot(TM) 64-Bit Server VM (build 21.0-b15, mixed mode)

#
# A fatal error has been detected by the Java Runtime Environment:
#
#  SIGSEGV (0xb) at pc=0xfffffd7ffe9bf980, pid=649, tid=2
#
# JRE version: 7.0-b145
# Java VM: Java HotSpot(TM) 64-Bit Server VM (21.0-b15 mixed mode solaris-amd64 
compressed oops)
# Problematic frame:
# V  [libjvm.so+0xdbf980]  int 
methodOopDesc::validate_bci_from_bcx(long)const+0x24
#
# Failed to write core dump. Core dumps have been disabled. To enable core 
dumping, try "ulimit -c unlimited" before starting Java again
#
# An error report file with more information is saved as:
# /home/ct232829/mlvm/jruby/indy-crasher/hs_err_pid649.log
Phoning home... 
Using server: 10.161.186.18, port 4711
#
# If you would like to submit a bug report, please visit:
#   http://bugreport.sun.com/bugreport/crash.jsp
#
Abort

$ java -showversion -d64 -XX:MaxInlineSize=150 -XX:InlineSmallCode=3000 
-Xbootclasspath/a:jruby.jar -Djruby.native.enabled=false org.jruby.Main -X+C 
--1.9 bench_etl.rb
java version "1.7.0-ea"
Java(TM) SE Runtime Environment (build 1.7.0-ea-b145)
Java HotSpot(TM) 64-Bit Server VM (build 
21.0-b14-internal-201106142151.never.7052219, mixed mode)

Transform time : 101

Can you confirm that?

-- Christian

> 
> On Wed, Jun 15, 2011 at 7:38 AM, Christian Thalinger
> <christian.thalin...@oracle.com> wrote:
>> On Jun 15, 2011, at 6:09 AM, Charles Oliver Nutter wrote:
>>> Still crashing! See previous email for hs dumpfile, command-line, and
>>> script, with link to data in the script.
>> 
>> I can not reproduce this crash on either Linux nor Solaris.  Here is a 
>> recent Linux x64 product build:
>> 
>> http://cr.openjdk.java.net/~twisti/linux_x64_2.6-product.zip
>> 
>> Could you please try that one?
>> 
>> -- Christian
>> 
>>> 
>>> - Charlie
>>> 
>>> On Tue, Jun 14, 2011 at 10:46 PM, Charles Oliver Nutter
>>> <head...@headius.com> wrote:
>>>> On Tue, Jun 14, 2011 at 10:14 PM, John Rose <john.r.r...@oracle.com> wrote:
>>>>> This looks like a failure fixed very recently (6/12) by the final version 
>>>>> of meth-exc-7047697.patch.
>>>>> 
>>>>> Please let me know ASAP if the latest version of that patch *fails* to 
>>>>> fix your crash!
>>>> 
>>>> Doing an updated build from MLVM, where 'hotspot' tip shows:
>>>> 
>>>> ~/projects/mlvm/patches/hotspot ➔ hg log | head -5
>>>> changeset:   353:c04ab8f822b1
>>>> tag:         tip
>>>> user:        jrose
>>>> date:        Tue Jun 14 18:34:58 2011 -0700
>>>> summary:     meth: update to hotspot-comp
>>>> 
>>>> Will report back shortly.
>>>> 
>>>> - Charlie
>>>> 
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