For running Java (or, in general, any JIT-generated code) on x86_64
and x86, you need to use --smc-check=all  (or =all-non-file, if you
have a new enough valgrind).  Else really wierd things will likely happen.

J

On Thursday, October 20, 2011, Jacob Evans wrote:
> Currently on mobile but I seemed to be able to always reproduce now.
> 
> It seems to be java version dependent, it works with 16_02 but not 16_24 or
> 17 of sun java.
> 
> So with 16_24 in your path execute  valgrind --trace-children=yes java
> -version The jvm has to start as does hotspot so an invalid command line
> option may not trigger it.
> 
> I get a different error on x86 where object heap cannot be allocated.
> 
> Thanks for your time.
> 
> On 20/10/2011, at 2:19 PM, John Reiser <jrei...@bitwagon.com> wrote:
> > On 10/19/2011 06:53 PM, Jacob Evans wrote:
> >> I seem to be experiencing problems running Valgrind and java together.
> >> I've ran the combination across multiple platforms (all x64 on vms and
> >> pure hardware). Attempting to launch Valgrind of version >=3.5 causes
> >> the jvm to exit with SSE2 not supported.
> > 
> > Can you give an explicit literal example?
> > 
> > This works for me: valgrind 3.7.0-SVN on Fedora 14 x86_64.
> > It does not complain about SSE2 not supported:
> > -----
> > $ /usr/local/valgrind-svn/bin/valgrind -v
> > /usr/lib/jvm/java-1.6.0-openjdk-1.6.0.0.x86_64/jre/bin/java ==5148==
> > Memcheck, a memory error detector
> > ==5148== Copyright (C) 2002-2010, and GNU GPL'd, by Julian Seward et al.
> > ==5148== Using Valgrind-3.7.0.SVN and LibVEX; rerun with -h for copyright
> > info ==5148== Command:
> > /usr/lib/jvm/java-1.6.0-openjdk-1.6.0.0.x86_64/jre/bin/java ==5148==
> > --5148-- Valgrind options:
> > --5148--    -v
> > --5148-- Contents of /proc/version:
> > --5148--   Linux version 2.6.35.14-97.fc14.x86_64
> > (mockbu...@x86-15.phx2.fedoraproject.org) (gcc version 4.5.1 20100924
> > (Red Hat 4.5.1-4) (GCC) ) #1 SMP Sat Sep 17 00:15:37 UTC 2011 --5148--
> > Arch and hwcaps: AMD64, amd64-sse3-cx16
> > --5148-- Page sizes: currently 4096, max supported 4096
> > --5148-- Valgrind library directory: /usr/local/valgrind-svn/lib/valgrind
> > --5148-- Reading syms from
> > /usr/lib/jvm/java-1.6.0-openjdk-1.6.0.0.x86_64/jre/bin/java (0x400000)
> > --5148--    object doesn't have a symbol table
> > --5148-- Reading syms from
> > /usr/local/valgrind-svn/lib/valgrind/memcheck-amd64-linux (0x38000000)
> > --5148--    object doesn't have a dynamic symbol table
> > --5148-- Reading syms from /lib64/ld-2.13.so (0x3b4ee00000)
> > --5148--   Considering
> > /usr/lib/debug/.build-id/b2/d31589b26896b2bb8da53229cea66750e13e24.debug
> > .. --5148--   .. build-id is valid
> > --5148-- Reading suppressions file:
> > /usr/local/valgrind-svn/lib/valgrind/default.supp ==5148== embedded
> > gdbserver: reading from
> > /tmp/vgdb-pipe-from-vgdb-to-5148-by-jreiser-on-f14-64.local ==5148==
> > embedded gdbserver: writing to  
> > /tmp/vgdb-pipe-to-vgdb-from-5148-by-jreiser-on-f14-64.local ==5148==
> > embedded gdbserver: shared mem  
> > /tmp/vgdb-pipe-shared-mem-vgdb-5148-by-jreiser-on-f14-64.local ==5148==
> > 
> >  [snip]
> > 
> > exec: /usr/lib/jvm/java-1.6.0-openjdk-1.6.0.0.x86_64/jre/bin/java
> > argv: /usr/lib/jvm/java-1.6.0-openjdk-1.6.0.0.x86_64/jre/bin/java
> > Usage: java [-options] class [args...]
> > 
> >           (to execute a class)
> >   
> >   or  java [-options] -jar jarfile [args...]
> >   
> >           (to execute a jar file)
> > 
> > where options include:
> >    -d32      use a 32-bit data model if available
> >    -d64      use a 64-bit data model if available
> >   
> >   [snip]
> > 
> > -----
> 
> ---------------------------------------------------------------------------
> --- The demand for IT networking professionals continues to grow, and the
> demand for specialized networking skills is growing even more rapidly.
> Take a complimentary Learning@Ciosco Self-Assessment and learn
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