On 31 January 2008 at 22:00, Mark Hindess <[EMAIL PROTECTED]> wrote: > > On 22 January 2008 at 20:37, Gregory Shimansky <[EMAIL PROTECTED]> 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 i > t. > > > > > > 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", is > StandaloneJar=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.
Answering my own question... I'm going to try: lock; addl $0,0(%%esp) in place of sfence in vm/vmcore/src/thread/linux/atomics.cpp. -Mark.
