From owner-freebsd-java@FreeBSD.ORG Wed Nov 3 00:22:18 2010 Return-Path: Delivered-To: java@freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:4f8:fff6::34]) by hub.freebsd.org (Postfix) with ESMTP id 047E51065670 for ; Wed, 3 Nov 2010 00:22:18 +0000 (UTC) (envelope-from ibooker.llnw@gmail.com) Received: from mail-pv0-f182.google.com (mail-pv0-f182.google.com [74.125.83.182]) by mx1.freebsd.org (Postfix) with ESMTP id C51B08FC1A for ; Wed, 3 Nov 2010 00:22:17 +0000 (UTC) Received: by pvc22 with SMTP id 22so16110pvc.13 for ; Tue, 02 Nov 2010 17:22:17 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=gamma; h=domainkey-signature:received:received:user-agent:date:subject:from :to:message-id:thread-topic:thread-index:mime-version:content-type; bh=fXmj4cqO5sJk8HeBSaQ3GcG4SXJTRAl7U2or4CBT/gI=; b=a+2uL8KcMis5t/XPWK/P8KO20z6Bn8+dm1MESn3b02zu1/1tnU8KkXAKySfRKgLPKZ Wrd3TABZeeTQe3VoEOlizYjiQk2aiPEtx84o6+3v7TmMXg0fSeHAlmGRYqYq73tkVpWE gm9dvJ3+GeA6mdODwMdjDwf2Qeq+insFa5lHw= DomainKey-Signature: a=rsa-sha1; c=nofws; d=gmail.com; s=gamma; h=user-agent:date:subject:from:to:message-id:thread-topic :thread-index:mime-version:content-type; b=JjybLlzyJB832TTlqnP0+394ozJaobRwj8i41TLUqjL+6LQowXxRMNOVackvJstKv/ x80T7JBmBt6LC9b5BQZoklDrB8u+FOamsMxEaZ4S1orB1mu4loYNLtBIbM1fbtGlpAkx wa30eWu3Bo4QFnkyquEWpvXxUgeQ9L0ldmQJ8= Received: by 10.142.131.17 with SMTP id e17mr6572175wfd.320.1288742292543; Tue, 02 Nov 2010 16:58:12 -0700 (PDT) Received: from [68.142.115.63] ([68.142.115.63]) by mx.google.com with ESMTPS id w14sm11972458wfd.6.2010.11.02.16.58.10 (version=TLSv1/SSLv3 cipher=RC4-MD5); Tue, 02 Nov 2010 16:58:11 -0700 (PDT) User-Agent: Microsoft-Entourage/12.25.0.100505 Date: Tue, 02 Nov 2010 17:00:17 -0700 From: I Booker To: Message-ID: Thread-Topic: OpenJDK Build Issue -- SIGSEGV at OperatingSystemMXBean getTotalPhysicalMemorySize Thread-Index: Act66hj37eieh0bH40aJPXTCp3YXqA== Mime-version: 1.0 Content-Type: text/plain; charset="ISO-8859-1" Content-Transfer-Encoding: quoted-printable X-Content-Filtered-By: Mailman/MimeDel 2.1.5 Cc: Subject: OpenJDK Build Issue -- SIGSEGV at OperatingSystemMXBean getTotalPhysicalMemorySize X-BeenThere: freebsd-java@freebsd.org X-Mailman-Version: 2.1.5 Precedence: list List-Id: Porting Java to FreeBSD List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Wed, 03 Nov 2010 00:22:18 -0000 I=B9m looking for some guidance on configuring OpenJDK correctly for some platform. We recently noticed a problem where connecting to a java application (running using OpenJDK 6-b20_4) on a remote machine (running FreeBSD 7.2) using JConsole kills the remote application. The remote JVM crashes due to a segmentation fault almost immediately after a JConsole instance connects to it. =20 I traced the problem to the getTotalPhysicalMemorySize() function in the OperatingSystemMXBean. I can reproduce the segmentation fault using the unit test for this method that comes with OpenJDK ( jdk6/jdk/.../test/com/sun/management/OperatingSystemMXBean/GetTotalPhysical= M emorySize.java). This problem seems limited to OpenJDK. The same unit test, compiled and executed using an older Diablo build (1.6.0_07-b02), runs without error. Direct calls to the sysctl method (see libc, sys/sysctl.h) are successful, as are calls to the sysctl utility (e.g. sysctl hw.physmem). We were able t= o reproduce this issue on different machines, using Jconsole executables from OpenJDK & SUN JVM distros (v6). Does anyone have any suggestions as to build settings or any other configuration items we should look at to resolve this problem? Regards, I Booker LLNW BTW, I included the segmentation fault details generated by the GetTotalPhysicalMemorySize unit test # # A fatal error has been detected by the Java Runtime Environment: # # SIGSEGV (0xb) at pc=3D0x000000080205dd34, pid=3D75359, tid=3D34371281472 # # JRE version: 6.0-b20 # Java VM: OpenJDK 64-Bit Server VM (17.0-b16 mixed mode bsd-amd64 ) # Problematic frame: #=20 [error occurred during error reporting (printing problematic frame), id 0xb= ] # If you would like to submit a bug report, please visit: # http://java.sun.com/webapps/bugreport/crash.jsp # --------------- T H R E A D --------------- Current thread (0x0000000801b2e000): JavaThread "main" [_thread_in_Java, id=3D11543104, stack(0x00007fffffaff000,0x00007fffffbff000)] siginfo:si_signo=3DSIGSEGV: si_errno=3D0, si_code=3D1 (SEGV_MAPERR), si_addr=3D0x00007fff00000018 Registers: RAX=3D0x00000001ff4ad000, RBX=3D0x00000008052bfdb0, RCX=3D0x000000080094c30c, RDX=3D0x0000000000000001 RSP=3D0x00007fffffbfe910, RBP=3D0x00007fff00000000, RSI=3D0x0000000000000002, RDI=3D0x00007fffffbfe900 R8 =3D0x0000000000000001, R9 =3D0x00007fffffbfe8f8, R10=3D0x0000000000000000, R11=3D0x000000080205af1b R12=3D0x0000000801b2e000, R13=3D0x00000008052bfdb0, R14=3D0x00007fffffbfe9a0, R15=3D0x0000000801b2e000 RIP=3D0x000000080205dd34, EFL=3D0x0000000000000000, ERR=3D0x0000000000000004 TRAPNO=3D0x000000000000000c Top of Stack: (sp=3D0x00007fffffbfe910) 0x00007fffffbfe910: 00000001ff4ad000 000000080205db26 0x00007fffffbfe920: 0000000041400000 000000080205dc88 0x00007fffffbfe930: 0000000801b11880 0000000801b11898 0x00007fffffbfe940: 00007fffffbfe940 00000008052bfdb0 0x00007fffffbfe950: 00007fffffbfe9a0 00000008052c14b0 0x00007fffffbfe960: 0000000000000000 00000008052bfdb0 0x00007fffffbfe970: 0000000000000000 00007fffffbfe9a0 0x00007fffffbfe980: 00007fffffbfe9e8 0000000802052dc3 0x00007fffffbfe990: 0000000000000000 000000080205af17 0x00007fffffbfe9a0: 000000085b082ce0 00007fffffbfe9a8 0x00007fffffbfe9b0: 00000008052aac5a 00007fffffbfea18 0x00007fffffbfe9c0: 00000008052ab1b0 0000000000000000 0x00007fffffbfe9d0: 00000008052aacf0 00007fffffbfe9a0 0x00007fffffbfe9e0: 00007fffffbfea18 00007fffffbfea80 0x00007fffffbfe9f0: 000000080204d3eb 0000000000000000 0x00007fffffbfea00: 0000000000000000 0000000008000000 0x00007fffffbfea10: 0000000000000000 000000085b0831d8 0x00007fffffbfea20: 0000000800001fa0 000000080204d369 0x00007fffffbfea30: 00007fffffbfebd0 0000000000000001 0x00007fffffbfea40: 0000000801b2e000 0000000801b11818 0x00007fffffbfea50: 00007fffffbfead0 00007fffffbfee08 0x00007fffffbfea60: 000000080000000a 00000008052aacf0 0x00007fffffbfea70: 000000080205c560 00007fffffbfebd8 0x00007fffffbfea80: 00007fffffbfeb70 0000000801014d88 0x00007fffffbfea90: 00007fff00000001 0000000801b2e000 0x00007fffffbfeaa0: 000000080205cf40 00007fffffbfead0 0x00007fffffbfeab0: 00007fffffbfeb10 00007fffffbfee08 0x00007fffffbfeac0: 000000080205c560 000000080000000a 0x00007fffffbfead0: 0000000801b2e000 0000000801b3f110 0x00007fffffbfeae0: 00000008052aacf0 0000000000000000 0x00007fffffbfeaf0: 0000000000000000 0000000000000000 0x00007fffffbfeb00: 0000000000000000 00007fffffbfee00 Instructions: (pc=3D0x000000080205dd34) 0x000000080205dd24: 00 00 00 00 00 00 49 bb 1b af 05 02 08 00 00 00 0x000000080205dd34: 4c 3b 5d 18 0f 85 20 00 00 00 48 8b 04 24 48 83 Stack: [0x00007fffffaff000,0x00007fffffbff000], sp=3D0x00007fffffbfe910, free space=3D3fe000000080094c0bck Native frames: (J=3Dcompiled Java code, j=3Dinterpreted, Vv=3DVM code, C=3Dnative code) [error occurred during error reporting (printing native stack), id 0xb] --------------- P R O C E S S --------------- Java Threads: ( =3D> current thread ) 0x0000000884044000 JavaThread "Low Memory Detector" daemon [_thread_blocked, id=3D28418928, stack(0x00007ffffeff4000,0x00007fffff0f4000)= ] 0x0000000884041000 JavaThread "CompilerThread1" daemon [_thread_blocked, id=3D28418528, stack(0x00007fffff0f5000,0x00007fffff1f5000)] 0x000000088403f000 JavaThread "CompilerThread0" daemon [_thread_blocked, id=3D28418128, stack(0x00007fffff1f6000,0x00007fffff2f6000)] 0x000000088403e000 JavaThread "Signal Dispatcher" daemon [_thread_blocked= , id=3D28417728, stack(0x00007fffff2f7000,0x00007fffff3f7000)] 0x0000000884016000 JavaThread "Finalizer" daemon [_thread_blocked, id=3D28417328, stack(0x00007fffff3f800 0,0x00007fffff4f8000)] 0x0000000884015000 JavaThread "Reference Handler" daemon [_thread_blocked= , id=3D28416928, stack(0x00007fffff4f9000,0x00007fffff5f9000)] =3D>0x0000000801b2e000 JavaThread "main" [_thread_in_Java, id=3D11543104, stack(0x00007fffffaff000,0x00007fffffbff000)] Other Threads: 0x0000000884011000 VMThread [stack: 0x00007fffff5fa000,0x00007fffff6fa000= ] [id=3D28416528] 0x000000088404d000 WatcherThread [stack: 0x00007ffffeef3000,0x00007ffffeff3000] [id=3D28414528] VM state:not at safepoint (normal execution) VM Mutex/Monitor currently owned by a thread: None Heap PSYoungGen total 36224K, used 622K [0x000000085b050000, 0x000000085d8b0000, 0x0000000883650000) eden space 31104K, 2% used [0x000000085b050000,0x000000085b0eb868,0x000000085ceb0000) from space 5120K, 0% used [0x000000085d3b0000,0x000000085d3b0000,0x000000085d8b0000) to space 5120K, 0% used [0x000000085ceb0000,0x000000085ceb0000,0x000000085d3b0000) PSOldGen total 82688K, used 0K [0x000000080a450000, 0x000000080f510000, 0x000000085b050000) object space 82688K, 0% used [0x000000080a450000,0x000000080a450000,0x000000080f510000) PSPermGen total 21248K, used 2501K [0x0000000805050000, 0x0000000806510000, 0x000000080a450000) object space 21248K, 11% used [0x0000000805050000,0x00000008052c1560,0x0000000806510000) Dynamic libraries: 0x0000000000400000 /usr/local/openjdk6/bin/java 0x000000080063c000 /lib/libz.so.4 0x0000000800750000 /lib/libthr.so.3 0x0000000800868000 /lib/libc.so.7 0x0000000800c00000 /usr/local/openjdk6/jre/lib/amd64/server/libjvm.so 0x0000000801613000 /usr/lib/libstdc++.so.6 0x000000080181f000 /lib/libm.so.5 0x0000000801939000 /lib/libgcc_s.so.1 0x0000000801c00000 /usr/local/openjdk6/jre/lib/amd64/libverify.so 0x0000000801d0f000 /usr/local/openjdk6/jre/lib/amd64/libjava.so 0x0000000801e3a000=20 /usr/local/openjdk6/jre/lib/amd64/native_threads/libhpi.so 0x0000000801f46000 /usr/local/openjdk6/jre/lib/amd64/libzip.so 0x0000000884600000 /usr/local/openjdk6/jre/lib/amd64/libmanagement.so 0x000000080050a000 /libexec/ld-elf.so.1 vM Arguments: java_command: GetTotalPhysicalMemorySize Launcher Type: SUN_STANDARD Environment Variables: PATH=3D/sbin:/bin:/usr/sbin:/usr/bin:/usr/games:/usr/local/sbin:/usr/local/bi= n :/home/user/bin LD_LIBRARY_PATH=3D/usr/local/openjdk6/jre/lib/amd64/server:/usr/local/openjdk= 6 /jre/lib/amd64:/usr/local/openjdk6/jre/../lib/amd64 SHELL=3D/usr/local/bin/bash Signal Handlers: SIGSEGV: [libjvm.so+0x740970], sa_mask[0]=3D0xfffefeff, sa_flags=3D0x00000042 SIGBUS: [libjvm.so+0x740970], sa_mask[0]=3D0xfffefeff, sa_flags=3D0x00000042 SIGFPE: [libjvm.so+0x5f8fb0], sa_mask[0]=3D0xfffefeff, sa_flags=3D0x00000042 SIGPIPE: [libjvm.so+0x5f8fb0], sa_mask[0]=3D0xfffefeff, sa_flags=3D0x00000042 SIGXFSZ: [libjvm.so+0x5f8fb0], sa_mask[0]=3D0xfffefeff, sa_flags=3D0x00000042 SIGILL: [libjvm.so+0x5f8fb0], sa_mask[0]=3D0xfffefeff, sa_flags=3D0x00000042 SIGUSR1: SIG_DFL, sa_mask[0]=3D0x63807efb, sa_flags=3D0x00000000 SIGUSR2: [libjvm.so+0x5fbaa0], sa_mask[0]=3D0x00000000, sa_flags=3D0x00000042 SIGHUP: [libjvm.so+0x5fa480], sa_mask[0]=3D0xfffefeff, sa_flags=3D0x00000042 SIGINT: [libjvm.so+0x5fa480], sa_mask[0]=3D0xfffefeff, sa_flags=3D0x00000042 SIGTERM: [libjvm.so+0x5fa480], sa_mask[0]=3D0xfffefeff, sa_flags=3D0x00000042 SIGQUIT: [libjvm.so+0x5fa480], sa_mask[0]=3D0xfffefeff, sa_flags=3D0x00000042 --------------- S Y S T E M --------------- OS:Bsd uname:FreeBSD 7.2-RELEASE FreeBSD 7.2-RELEASE #0: Mon Oct 12 14:56:23 MST 2009 user@host.domain.net:/usr/obj/usr/src/sys/SIXFOUR amd64 rlimit: STACK 524288k, CORE infinity, NPROC 5547, NOFILE 32768 CPU:total 4 (2 cores per cpu, 1 threads per core) family 6 model 15 steppin= g 6, cmov, cx8, fxsr, mmx, sse, sse2, sse3, ssse3 Memory: 4k page, physical 7935044k(1983761k free) vm_info: OpenJDK 64-Bit Server VM (17.0-b16) for bsd-amd64 JRE (1.6.0-b20), built on Oct 14 2010 10:36:36 by "root" with gcc 4.2.1 20070719 [FreeBSD] time: Tue Nov 2 13:39:23 2010 elapsed time: 0 seconds