Hard Crash on OS X and Linux (but somewhat environment dependent)

[Stefan Marr]

Hi Gilles:

Here the log file.

Best regards
Stefan

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> On 10 Dec 2014, at 00:04, Gilles Duboscq <duboscq at ssw.jku.at> wrote:
> 
> Hello Stefan,
> 
> Thanks for the report.
> Could you send us the hs_err file as well (hs_err_pid68949.log)?
> 
> -Gilles
> 
> On Tue, Dec 9, 2014 at 11:35 PM, Stefan Marr <java at stefan-marr.de> wrote:
>> Hi:
>> 
>> In one of my experiments, I got a hard crash of the Graal VM.
>> Error below.
>> 
>> The error is somewhat dependent on either environment or for instance whether -ea and/or -esa are passed to the VM.
>> Though, I haven?t managed to find a way to avoid crashes reliably.
>> 
>> To reproduced, you?ll need with a little API change (see patch below) or my version of GraalVM.
>> 
>> git clone https://github.com/smarr/GraalVM.git
>> cd GraalVM
>> ./mx.sh --vm server build -p
>> cd ../
>> git clone -b mt-vs-pe/without-control-specialization https://github.com/smarr/TruffleSOM.git
>> cd TruffleSOM
>> ant
>> ../GraalVM/mxtool/mx --vm server vm -Xbootclasspath/a:build/classes som.vm.Universe -cp Smalltalk:Examples/Benchmarks/DeltaBlue Examples/Benchmarks/BenchmarkHarness.som  DeltaBlue  1500 0 6000
>> 
>> Best regards
>> Stefan
>> 
>> 
>> #
>> # A fatal error has been detected by the Java Runtime Environment:
>> #
>> #  SIGSEGV (0xb) at pc=0x000000010d601e5b, pid=68949, tid=4867
>> #
>> # JRE version: Java(TM) SE Runtime Environment (8.0_20-b26) (build 1.8.0_20-b26)
>> # Java VM: OpenJDK 64-Bit Server VM (25.25-b02-internal-graal-unknown-venus-2-2014-12-09_22-44-20_CET mixed mode bsd-amd64 compressed oops)
>> # Problematic frame:
>> # J 7192 Graal com.oracle.graal.truffle.OptimizedCallTarget.callRoot([Ljava/lang/Object;)Ljava/lang/Object; (191 bytes) @ 0x000000010d601e5b [0x000000010d601e20+0x3b]
>> #
>> # 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:
>> # /Users/smarr/Projects/PostDoc/Truffle/som/hs_err_pid68949.log
>> Loaded disassembler from /Users/smarr/Projects/PostDoc/Truffle/graal/jdk1.8.0_20/product/jre/lib/hsdis-amd64.dylib
>> Compiled method (Graal)   12445 7192       4       com.oracle.graal.truffle.OptimizedCallTarget::callRoot (191 bytes)
>> total in heap  [0x000000010d601cd0,0x000000010d601f50] = 640
>> relocation     [0x000000010d601e08,0x000000010d601e20] = 24
>> main code      [0x000000010d601e20,0x000000010d601edd] = 189
>> stub code      [0x000000010d601edd,0x000000010d601ee0] = 3
>> oops           [0x000000010d601ee0,0x000000010d601ef8] = 24
>> metadata       [0x000000010d601ef8,0x000000010d601f00] = 8
>> scopes data    [0x000000010d601f00,0x000000010d601f18] = 24
>> scopes pcs     [0x000000010d601f18,0x000000010d601f48] = 48
>> dependencies   [0x000000010d601f48,0x000000010d601f50] = 8
>> Compiled method (c2)   12445 2114       4       com.oracle.graal.truffle.OptimizedCallTarget::doInvoke (6 bytes)
>> total in heap  [0x000000010c77b910,0x000000010c77bb58] = 584
>> relocation     [0x000000010c77ba48,0x000000010c77ba60] = 24
>> main code      [0x000000010c77ba60,0x000000010c77bac0] = 96
>> stub code      [0x000000010c77bac0,0x000000010c77bae8] = 40
>> oops           [0x000000010c77bae8,0x000000010c77baf0] = 8
>> metadata       [0x000000010c77baf0,0x000000010c77baf8] = 8
>> scopes data    [0x000000010c77baf8,0x000000010c77bb08] = 16
>> scopes pcs     [0x000000010c77bb08,0x000000010c77bb38] = 48
>> dependencies   [0x000000010c77bb38,0x000000010c77bb40] = 8
>> handler table  [0x000000010c77bb40,0x000000010c77bb58] = 24
>> 
>> 
>> diff --git a/graal/com.oracle.graal.truffle/src/com/oracle/graal/truffle/OptimizedCallTarget.java b/graal/com.oracle.graal.truffle/src/com/oracle/graal/truffle/OptimizedCallTarget.java
>> index 8d00194..0670fad 100644
>> --- a/graal/com.oracle.graal.truffle/src/com/oracle/graal/truffle/OptimizedCallTarget.java
>> +++ b/graal/com.oracle.graal.truffle/src/com/oracle/graal/truffle/OptimizedCallTarget.java
>> @@ -104,7 +104,7 @@ public class OptimizedCallTarget extends InstalledCode implements RootCallTarget
>>         if (root == null || !root.isCloningAllowed()) {
>>             return null;
>>         }
>> -        return NodeUtil.cloneNode(root);
>> +        return root.cloneRootNode();
>>     }
>> 
>>     public Assumption getNodeRewritingAssumption() {
>> diff --git a/graal/com.oracle.truffle.api/src/com/oracle/truffle/api/nodes/RootNode.java b/graal/com.oracle.truffle.api/src/com/oracle/truffle/api/nodes/RootNode.java
>> index aebf748..2552eea 100644
>> --- a/graal/com.oracle.truffle.api/src/com/oracle/truffle/api/nodes/RootNode.java
>> +++ b/graal/com.oracle.truffle.api/src/com/oracle/truffle/api/nodes/RootNode.java
>> @@ -79,6 +79,10 @@ public abstract class RootNode extends Node {
>>         return false;
>>     }
>> 
>> +    public RootNode cloneRootNode() {
>> +        return NodeUtil.cloneNode(this);
>> +    }
>> +
>>     /**
>>      * Reports the execution count of a loop that is a child of this node. The optimization
>>      * heuristics can use the loop count to guide compilation and inlining.
>> 
>> 
>> 
>> --
>> Stefan Marr
>> INRIA Lille - Nord Europe
>> http://stefan-marr.de/research/
>> 
>> 
>> 

-- 
Stefan Marr
INRIA Lille - Nord Europe
http://stefan-marr.de/research/