VM crash when running JTreg in agentvm mode

Sun Apr 7 01:58:50 PDT 2013

Hi Volker,

Thank you for the patch,  the reported issue and many java.lang.invoke 
testing failures have disappeared in my latest testing.

Regards
Jonathan

On 04/03/2013 01:12 AM, Volker Simonis wrote:
> Hi Jonathan,
>
> thank you for reporting this problem. I've fixed it today with changeset:
>
> changeset:   4397:f79ca2cc6b04
> summary:     Fix -Xcheck:jni on AIX
>
> I've finally also pushed the new JSR292 implementation for PPC:
>
> changeset:   4396:61615792f0fe
> summary:     New HS24 JSR292 implementation for PPC64
>
> With this change the 'java/lang/invokedynamic' test should pass. 
> Notice that on AIX you may still get a problem for 
> 'java/lang/invoke/ThrowExceptionTest' (I only saw it in in the 
> 'fastdebug' version) but that's not JSR292-related, I think it's a 
> general problem with the detection of stack overflows. I'm currently 
> working on the problem and hope to fix it soon.
>
> Regards,
> Volker
>
>
> On Thu, Mar 28, 2013 at 10:08 AM, Jonathan Lu 
> <luchsh at linux.vnet.ibm.com <mailto:luchsh at linux.vnet.ibm.com>> wrote:
>
>     Here's more details about the version, which was missing from the
>     first mail.
>
>     bash-3.00$ jtreg -version
>     jtreg, version 4.1 fcs b05
>     Installed in /opt/jtreg/lib/jtreg.jar
>     Running on platform version 1.7.0 from /opt/sdk70sr4/jre.
>     Built with Java(TM) 2 SDK, Version 1.5.0-b64 on November 29, 2012.
>     Copyright (c) 1999, 2012, Oracle and/or its affiliates. All rights
>     reserved.
>     Use is subject to license terms.
>     TestNG: version 6.7-201209281340
>
>     bash-3.00$ uname -a
>     AIX **** 1 7 00F7C0554C00
>
>
>     BTW from the source code of (os_aix.cpp:3514), it sounds like a
>     unchecked signal, maybe some special ones for AIX, but I'm not
>     sure, maybe VM experts can give more comments.
>
>
>     Thanks and best regards!
>     - Jonathan
>
>
>     On 03/28/2013 04:40 PM, Jonathan Lu wrote:
>>     Hello ppc-aix-port-dev,
>>
>>     As you may noticed from the commit notifications, recently I
>>     started to go through the JDK JTreg testing failures and trying
>>     to fix them. Here I met a VM crash problem when running JTreg in 
>>     agentvm mode, anybody have an idea about it?
>>
>>     Here comes the detail:
>>
>>     The problem was found when running JTreg test
>>     java/net/InetAddress/CheckJNI.java on AIX 64bit platform with
>>     OpenJDK Java7 build, if I pick the test case, compile it with
>>     javac and run it like
>>
>>     JDK_DIR/jre/bin/java -cp java/net/InetAddress/ CheckJNI
>>
>>     It will pass, but if using JTreg and specify '-agentvm' option,
>>     which means JTreg will create another VM to run the test case
>>     according to [1], it will just crash with following error,
>>
>>         --------------------------------------------------------------------------------
>>         command: main -Xcheck:jni CheckJNI
>>         reason: User specified action: run main/othervm -Xcheck:jni
>>         CheckJNI
>>         elapsed time (seconds): 4.489
>>         STDOUT:
>>         #
>>         # A fatal error has been detected by the Java Runtime
>>         Environment:
>>         #
>>         #  Internal Error (os_aix.cpp:3514), pid=9765042, tid=6940
>>         #  Error: Unimplemented()
>>         #
>>         # JRE version: OpenJDK Runtime Environment (7.0) (build
>>         1.7.0-internal-debug-luchsh_2013_03_15_11_32-b00)
>>         # Java VM: OpenJDK 64-Bit Server VM (24.0-b34 mixed mode
>>         -ppc64 compressed oops)
>>         # Core dump written. Default location:
>>         /home/luchsh/ppc7u/jdk/test/build/jtreg/work/scratch/core or
>>         core.9765042 (max size 1048575 kB). To ensure a full core
>>         dump, try "ulimit -c unlimited" before starting Java again
>>         #
>>         # An error report file with more information is saved as:
>>         #
>>         /home/luchsh/ppc7u/jdk/test/build/jtreg/work/scratch/hs_err_pid9765042.log
>>         #
>>         # If you would like to submit a bug report, please visit:
>>         # http://bugreport.sun.com/bugreport/crash.jsp
>>         #
>>         STDERR:
>>
>>         TEST RESULT: Failed. Unexpected exit from test [exit code: 134]
>>         --------------------------------------------------------------------------------
>>
>>     I've upload hs_err_pid9765042.log to [2], but the core dump is
>>     too big, if you cannot reproduce it I may try to find a place to
>>     upload the core dump file.
>>
>>     I noticed that pieces of the error messages from
>>     hs_err_pid9765042 says,
>>     #  Internal Error (os_aix.cpp:3514), pid=9765042, tid=6940
>>     #  Error: Unimplemented()
>>     So is it related to some unimplemented functions from HotSpot?
>>     is there a workaround besides removing "-agentvm" option?
>>
>>     Thanks and best regards!
>>     - Jonathan
>>
>>     ------
>>
>>     [1] https://blogs.oracle.com/jjg/entry/jtreg_old_and_new
>>     [2] http://cr.openjdk.java.net/~luchsh/hs_err_pid9765042.log
>>     <http://cr.openjdk.java.net/%7Eluchsh/hs_err_pid9765042.log>
>
>

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