[Call For Help] Clang + OpenJDK + head + amd64 == cocktail of death (for clusters)

[Ronald Klop]

On Thu, 25 Jul 2013 14:59:31 +0200, Ronald Klop  
<ronald-freebsd8 at klop.yi.org> wrote:

> On Thu, 25 Jul 2013 14:42:38 +0200, Sevan / Venture37  
> <venture37 at gmail.com> wrote:
>
>> On 25/07/2013 16:20, Ronald Klop wrote:
>>>
>>> It ends with this:
>>> gmake[2]: *** [build] Segmentation fault (core dumped)
>>>
>>> So grab the core dump. Feed it to the debugger and see what is wrong.
>>>
>>> Ronald.
>>
>> Not much, unless I'm using gdb wrong?
>
> This might work better.
> gdb /usr/ports/java/openjdk6/work/langtools/make/java.core  
> /usr/local/openjdk6/bin/java

Grrr. The other way around.
     gdb [options] [executable-file [core-file or process-id]]

Regards,

Ronald.




>
> It might be necessary to build java with DEBUG=true. Or at least  
> FASTDEBUG=true. See 'make config' in /usr/ports/java/openjdk6.
>
> BTW: I'm not sure, but I think your existing installation of openjdk6  
> dumps core. This is important to know to debug the right program.
>
> Regards,
> Ronald.
>
>
>
>
>
>
>>
>> Core file is 6GB
>>
>> /usr/ports/java/openjdk6/work/langtools/make/java.core: ELF 64-bit LSB  
>> core file x86-64, version 1 (FreeBSD), FreeBSD-style, from 'java'
>>
>>
>> /usr/ports/java/openjdk6/work/langtools/make> gdb
>> GNU gdb 6.1.1 [FreeBSD]
>> Copyright 2004 Free Software Foundation, Inc.
>> GDB is free software, covered by the GNU General Public License, and  
>> you are
>> welcome to change it and/or distribute copies of it under certain  
>> conditions.
>> Type "show copying" to see the conditions.
>> There is absolutely no warranty for GDB.  Type "show warranty" for  
>> details.
>> This GDB was configured as "amd64-marcel-freebsd".
>> (gdb) core java.core
>> Core was generated by `java'.
>> Program terminated with signal 11, Segmentation fault.
>> #0  0x0000000801e302f5 in ?? ()
>> (gdb) bt
>> #0  0x0000000801e302f5 in ?? ()
>> #1  0x0000000800fbd801 in ?? ()
>> #2  0x000000018efb4700 in ?? ()
>> #3  0x0000000000000078 in ?? ()
>> #4  0x0000000a03006138 in ?? ()
>> #5  0x0000000000000000 in ?? ()
>> (gdb) quit
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