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https://issues.apache.org/jira/browse/HADOOP-11505?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14513857#comment-14513857
]
Ayappan commented on HADOOP-11505:
----------------------------------
There is a JVM crash due to libnativetask.so in PowerPC64LE that may be related
to this jira.
# A fatal error has been detected by the Java Runtime Environment:
#
# SIGSEGV (0xb) at pc=0x00003fff721d8e50, pid=10952, tid=70366359056848
#
# JRE version: OpenJDK Runtime Environment (7.0_79-b14) (build
1.7.0_79-mockbuild_2015_04_10_10_48-b00)
# Java VM: OpenJDK 64-Bit Server VM (24.79-b02 mixed mode linux-ppc64
compressed oops)
# Derivative: IcedTea 2.5.5
# Distribution: Built on Red Hat Enterprise Linux Server release 7.1 (Maipo)
(Fri Apr 10 10:48:01 EDT 2015)
# Problematic frame:
# C [libnativetask.so.1.0.0+0x58e50]
NativeTask::WritableUtils::ReadVLongInner(char const*, unsigned int&)+0x40
#
# 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:
# /tmp/jvm-10952/hs_error.log
#
# If you would like to submit a bug report, please include
# instructions on how to reproduce the bug and visit:
# http://icedtea.classpath.org/bugzilla
# The crash happened outside the Java Virtual Machine in native code.
# See problematic frame for where to report the bug.
> hadoop-mapreduce-client-nativetask fails to use x86 optimizations in some
> cases
> -------------------------------------------------------------------------------
>
> Key: HADOOP-11505
> URL: https://issues.apache.org/jira/browse/HADOOP-11505
> Project: Hadoop Common
> Issue Type: Bug
> Affects Versions: 3.0.0
> Reporter: Colin Patrick McCabe
> Assignee: Colin Patrick McCabe
> Attachments: HADOOP-11505.001.patch
>
>
> hadoop-mapreduce-client-nativetask fails to use x86 optimizations in some
> cases. Also, on some alternate, non-x86, non-ARM architectures the generated
> code is incorrect. Thanks to Steve Loughran and Edward Nevill for finding
> this.
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