hadoop-common-issues mailing list archives

Site index · List index
Message view « Date » · « Thread »
Top « Date » · « Thread »
From "Alan Burlison (JIRA)" <j...@apache.org>
Subject [jira] [Updated] (HADOOP-12630) Misuse of sun.misc.Unsafe causes misaligned memory access coredumps
Date Thu, 31 Dec 2015 06:20:49 GMT

     [ https://issues.apache.org/jira/browse/HADOOP-12630?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Alan Burlison updated HADOOP-12630:
-----------------------------------
    Summary: Misuse of sun.misc.Unsafe causes misaligned memory access coredumps  (was: Mususe
of sun.misc.Unsafe causes midaligned memory access coredumps)

> Misuse of sun.misc.Unsafe causes misaligned memory access coredumps
> -------------------------------------------------------------------
>
>                 Key: HADOOP-12630
>                 URL: https://issues.apache.org/jira/browse/HADOOP-12630
>             Project: Hadoop Common
>          Issue Type: Sub-task
>          Components: native
>    Affects Versions: 2.6.0, 2.7.0, 3.0.0
>         Environment: Solaris SPARC
>            Reporter: Alan Burlison
>            Assignee: Alan Burlison
>
> Misuse of sun.misc.unsafe by {{org.apache.hadoop.io.FastByteComparisons}} causes misaligned
memory accesses and results in coredumps. Stack traces below:
> {code}
> hadoop-tools/hadoop-gridmix/core
>  --- called from signal handler with signal 10 (SIGBUS) ---
>  ffffffff7717fa40 Unsafe_GetLong (18c000, ffffffff7e2fd6d8, 0, 19, ffffffff775d4be0,
10018c000) + 158
>  ffffffff70810dcc * sun/misc/Unsafe.getLong(Ljava/lang/Object;J)J+-30004
>  ffffffff70810d70 * sun/misc/Unsafe.getLong(Ljava/lang/Object;J)J+0
>  ffffffff70806d58 * org/apache/hadoop/io/FastByteComparisons$LexicographicalComparerHolder$UnsafeComparer.compareTo([BII[BII)I+91
(line 405)
>  ffffffff70806cb4 * org/apache/hadoop/io/FastByteComparisons$LexicographicalComparerHolder$UnsafeComparer.compareTo(Ljava/lang/Object;IILjava/lang/Object;II)I+16
(line 264)
>  ffffffff7080783c * org/apache/hadoop/io/FastByteComparisons.compareTo([BII[BII)I+11
(line 92)
>  ffffffff70806cb4 * org/apache/hadoop/io/WritableComparator.compareBytes([BII[BII)I+8
(line 376)
>  ffffffff70806cb4 * org/apache/hadoop/mapred/gridmix/GridmixRecord$Comparator.compare([BII[BII)I+61
(line 522)
>  ffffffff70806cb4 * org/apache/hadoop/mapred/gridmix/TestGridmixRecord.binSortTest(Lorg/apache/hadoop/mapred/gridmix/GridmixRecord;Lorg/apache/hadoop/mapred/gridmix/GridmixRecord;IILorg/apache/hadoop/io/WritableComparator;)V+280
(line 268)
>  ffffffff70806f44 * org/apache/hadoop/mapred/gridmix/TestGridmixRecord.testBaseRecord()V+57
(line 482)
> {code}
> This also causes {{hadoop-mapreduce-project/hadoop-mapreduce-examples/core}}



--
This message was sent by Atlassian JIRA
(v6.3.4#6332)

Mime
View raw message