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From Charles Lee <littlee1...@gmail.com>
Subject Re: java -version crash on Ubuntu 9.10 with IBM VME
Date Tue, 05 Jan 2010 07:58:40 GMT
Hi Regis. I met the same problem. -O2 solve the problem on my site.
Seems ok to me.

On Tue, Jan 5, 2010 at 2:49 PM, Regis <xu.regis@gmail.com> wrote:
> On 2010-01-04 10:59, Regis wrote:
>>
>> Hi,
>>
>> I upgraded my workstation from Ubuntu 8.04 to 9.10, and I got crash when
>> running java -version with IBM VME, drlvm works well, [1] is stack trace.
>>
>> It crashed in zlib, and if I changed zlib optimization level from -O3 to
>> -O2, the crash never happened, so it seems some gcc aggressive
>> optimizations can't work with VME and cause the crash. So shall we
>> change the default zlib optimization level to -O2 to make it work with
>> this popular distrubition?
>>
>> $ gcc --version
>> gcc (Ubuntu 4.4.1-4ubuntu8) 4.4.1
>> Copyright (C) 2009 Free Software Foundation, Inc.
>> This is free software; see the source for copying conditions. There is NO
>> warranty; not even for MERCHANTABILITY or FITNESS FOR A PARTICULAR
>> PURPOSE.
>>
>> [1]
>>
>> Thread: main (priority 5) (LOCATION OF ERROR)
>> 000000a7 java/util/zip/Inflater.inflateImpl([BIIJ)I (@003D723B)
>> 00000053 java/util/zip/Inflater.inflate([BII)I
>> 0000007a java/util/zip/InflaterInputStream.read([BII)I
>> 00000004 java/util/zip/ZipFile$ZipInflaterInputStream.read([BII)I
>> 00000005 java/io/FilterInputStream.read([B)I
>> 0000004b
>>
>> org/apache/harmony/luni/util/InputStreamHelper.readFullyAndClose(Ljava/io/InputStream;)[B
>>
>> 0000007a java/util/jar/JarFile.readMetaEntries()V
>> 0000001f java/util/jar/JarFile.<init>(Ljava/io/File;ZI)V
>> 0000002b
>>
>> org/apache/harmony/luni/internal/net/www/protocol/jar/JarURLConnectionImpl.openJarFile()Ljava/util/jar/JarFile;
>>
>> 00000030
>>
>> org/apache/harmony/luni/internal/net/www/protocol/jar/JarURLConnectionImpl.findJarFile()V
>>
>> 00000008
>>
>> org/apache/harmony/luni/internal/net/www/protocol/jar/JarURLConnectionImpl.connect()V
>>
>> 00000001
>>
>> org/apache/harmony/luni/internal/net/www/protocol/jar/JarURLConnectionImpl.getJarFile()Ljava/util/jar/JarFile;
>>
>> 0000006e
>>
>> java/net/URLClassLoader.createURLJarHandler(Ljava/net/URL;)Ljava/net/URLClassLoader$URLHandler;
>>
>> 00000040 java/net/URLClassLoader.makeNewHandler()V
>> 00000018
>> java/net/URLClassLoader.getHandler(I)Ljava/net/URLClassLoader$URLHandler;
>> 00000045
>> java/net/URLClassLoader.findClassImpl(Ljava/lang/String;)Ljava/lang/Class;
>> 00000008 java/net/URLClassLoader$4.run()Ljava/lang/Class;
>> 00000001 java/net/URLClassLoader$4.run()Ljava/lang/Object;
>> 00000003
>>
>> java/security/AccessController.doPrivileged(Ljava/security/PrivilegedAction;Ljava/security/AccessControlContext;)Ljava/lang/Object;
>>
>> 0000000d
>> java/net/URLClassLoader.findClass(Ljava/lang/String;)Ljava/lang/Class;
>> 00000002
>>
>> com/ibm/oti/vm/URLSystemClassLoader.findClass(Ljava/lang/String;)Ljava/lang/Class;
>>
>> 0000006a
>> java/lang/ClassLoader.loadClass(Ljava/lang/String;Z)Ljava/lang/Class;
>> 00000041
>>
>> com/ibm/oti/vm/URLSystemClassLoader.loadClass(Ljava/lang/String;Z)Ljava/lang/Class;
>>
>> 00000022
>> java/lang/ClassLoader.loadClass(Ljava/lang/String;Z)Ljava/lang/Class;
>> 00000041
>>
>> com/ibm/oti/vm/URLSystemClassLoader.loadClass(Ljava/lang/String;Z)Ljava/lang/Class;
>>
>> 00000003
>> java/lang/ClassLoader.loadClass(Ljava/lang/String;)Ljava/lang/Class;
>>
>>
>
> Does anyone have the same problem? Or just I'm not lucky?
>
> --
> Best Regards,
> Regis.
>



-- 
Yours sincerely,
Charles Lee

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