Problem with method Copy::aligned_conjoint_words

[Colin(Du Li)]

When I use Copy::aligned_conjoint_words to copy a object,
I got segment fault as following:

Program received signal SIGSEGV, Segmentation fault.
0x0635cd59 in Copy::pd_aligned_conjoint_words ()
    at
/home/dli/Hotspot/openjdk_b24/jdk7/hotspot/src/os_cpu/linux_x86/vm/copy_linux_x86.inline.hpp:171
171                        : "memory", "flags");
(gdb) bt
#0  0x0635cd59 in Copy::pd_aligned_conjoint_words ()
    at
/home/dli/Hotspot/openjdk_b24/jdk7/hotspot/src/os_cpu/linux_x86/vm/copy_linux_x86.inline.hpp:171
#1  0x0635d752 in Copy::aligned_conjoint_words () at
/home/dli/Hotspot/openjdk_b24/jdk7/hotspot/src/share/vm/utilities/copy.hpp:103
#2  0x064a4b16 in JavaCalls::moveToJniSpace (env=0x9774ed4,
oldObj=0x7e780838, __the_thread__=0x9774da8)


It seems to be thrown by some assebly codes. Would you like to tell me what
the fault means and how to resolve it?
Thanks  a lot!

Colin
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