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From Mark Hindess <mark.hind...@googlemail.com>
Subject Re: [general] harmony launch failed on AMD Geode LX
Date Thu, 31 Jan 2008 22:00:00 GMT

On 22 January 2008 at 20:37, Gregory Shimansky <gshimansky@apache.org> wrote:
> SeongCheon, Kang said the following on 22.01.2008 20:29:
> > I Installed Apache-harmony-jre-603435 on AMD Geode LX based system board
> > (PC Engines ALIX.1C) that is installed xubuntu 7.10.
> > 
> > I executed Equinox OSGi service platform and harmony just prints out
> > 'illegal instruction' after 10 seconds. But, 'hello world' works well. :-)
> > 
> > And, I installed Sun JRE 5. Equinox OSGi service platform works well on it.
> > 
> > What's the problem? Anyone has tested on AMD Geode LX or/and xubuntu 7?
> I think it may be because it doesn't support SSE according to wikipedia.
> To make sure that it is the case you can use gdb to print out the
> failing instruction like
> (gdb) x/1i $eip
> and see what it shows and where this instruction appears (whether it is
> in generated code or in Harmony compiled code).

> Also you can try to run the application in interpreter mode using -Xint
> option for VM.

I recompiled classlib with -march=c3 rather than -march=pentium3.  But even
with -Xint HelloWorld still dies with illegal instruction.  gdb says:

(gdb) bt
#0  0xb76e49f3 in MemoryWriteBarrier ()
   from drlvm/bin/default/libharmonyvm.so
#1  0xb76e16f0 in String_Pool::lookup ()
   from drlvm/bin/default/libharmonyvm.so
#2  0xb76e17c4 in String_Pool::lookup ()
   from drlvm/bin/default/libharmonyvm.so
#3  0xb76d6a08 in Global_Env::Global_Env ()
   from drlvm/bin/default/libharmonyvm.so
#4  0xb77528a4 in JNI_CreateJavaVM ()
   from drlvm/bin/default/libharmonyvm.so
#5  0x08049a55 in invocation (portLibrary=0xbffff918, argc=5, argv=0xbffffd54, 
    handle=134654592, version=65540, ignoreUnrecognized=1 '\001', 
    mainClass=0xbffffe6a "HelloWorld", classArg=4, 
    propertiesFileName=0x806aa00 "drlvm/bin/default/harmonyvm.properties", isStandaloneJar=0,
vmdllsubdir=0xbffff842 "default") at ../shared/main.c:672
#6  0x08049160 in gpProtectedMain (args=0xbffff8f8) at ../shared/main.c:393
#7  0x0804b4a1 in main (argc=5, argv=0xbffffd54, envp=0xbffffd6c)
    at ../shared/cmain.c:146
(gdb) x/1i $eip
0xb76e49f3 <_Z18MemoryWriteBarrierv+3>: sfence 

Suggestions welcome.

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