Try to run java -jar Java2Demo.jar on SPARC and AMD64. On AMD64 jstack is not able to correctly walk each thread stack.



> AMD64:
>
> sparvu@earth>
> sparvu@earth>isainfo -vb
> 64-bit amd64 applications
> sse3 sse2 sse fxsr amd_3dnowx amd_3dnow amd_mmx mmx cmov amd_sysc cx8
> tsc fpu
> sparvu@earth>
> sparvu@earth>jstack 3517
> Attaching to process ID 3517, please wait...
> Debugger attached successfully.
> Server compiler detected.
> JVM version is 1.5.0_11-b03
> Thread t@26: (state = BLOCKED)
>
>
> Thread t@25: (state = BLOCKED)
>
>
> Thread t@1: (state = BLOCKED)
>
>
> Thread t@16: (state = BLOCKED)
>
>
> Thread t@15: (state = IN_NATIVE)
>
>
> Thread t@14: (state = BLOCKED)
>
>
> Thread t@13: (state = BLOCKED)
>
>
> Thread t@7: (state = BLOCKED)
>
>
> Thread t@6: (state = BLOCKED)
>
>
> Thread t@5: (state = BLOCKED)
>
>
> sparvu@earth>which jstack
> /opt/java/jdk1.5.0_11/bin/jstack
> sparvu@earth>
>
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>
> SPARC64, U10:
>
> sparvu@sun>uname -a
> SunOS sun 5.10 Generic_118833-33 sun4u sparc SUNW,Ultra-5_10
> sparvu@sun>isainfo -vb
> 64-bit sparcv9 applications
> vis
> sparvu@sun>
> sparvu@sun>which jstack
> /usr/java/bin/jstack
> sparvu@sun>
> sparvu@sun>jstack 4838
> Attaching to process ID 4838, please wait...
> Debugger attached successfully.
> Client compiler detected.
> JVM version is 1.5.0_07-b03
> Thread t@1: (state = BLOCKED)
>
>
> Thread t@21: (state = BLOCKED)
> - java.lang.Object.wait(long) @bci=0 (Interpreted frame)
> - java.lang.Object.wait(long) @bci=0 (Interpreted frame)
> - javax.swing.TimerQueue.run() @bci=14, line=233 (Interpreted frame)
> - java.lang.Thread.run() @bci=11, line=595 (Interpreted frame)
>
>
> Thread t@13: (state = BLOCKED)
> - java.lang.Object.wait(long) @bci=0 (Compiled frame; information may be imprecise)
> - java.lang.Object.wait() @bci=2, line=474 (Compiled frame)
> - java.awt.EventDispatchThread.pumpOneEventForHierarchy(int, java.awt.Component) @bci=9, line=189 (Compiled frame)
> - java.awt.EventDispatchThread.pumpEventsForHierarchy(int, java.awt.Conditional, java.awt.Component) @bci=26, line=163 (Interpreted frame)
> - java.awt.EventDispatchThread.pumpEvents(int, java.awt.Conditional) @bci=4, line=157 (Interpreted frame)
> - java.awt.EventDispatchThread.pumpEvents(java.awt.Conditional) @bci=3, line=149 (Interpreted frame)
> - java.awt.EventDispatchThread.run() @bci=9, line=110 (Interpreted frame)
>
>
> Thread t@11: (state = IN_NATIVE)
> - sun.awt.motif.MToolkit.run() @bci=0 (Interpreted frame)
> - sun.awt.motif.MToolkit.run() @bci=0 (Interpreted frame)
> - java.lang.Thread.run() @bci=11, line=595 (Interpreted frame)
>
>
> Thread t@10: (state = BLOCKED)
> - java.lang.Object.wait(long) @bci=721419625 (Interpreted frame)
> - java.lang.Object.wait(long) @bci=0 (Interpreted frame)
> - java.lang.Object.wait() @bci=2, line=474 (Interpreted frame)
> - sun.awt.AWTAutoShutdown.run() @bci=32, line=259 (Interpreted frame)
> - java.lang.Thread.run() @bci=11, line=595 (Interpreted frame)
>
>
> Thread t@9: (state = BLOCKED)
> - java.lang.Object.wait(long) @bci=721419625 (Interpreted frame)
> - java.lang.Object.wait(long) @bci=0 (Interpreted frame)
> - java.lang.ref.ReferenceQueue.remove(long) @bci=44, line=116 (Interpreted frame)
> - java.lang.ref.ReferenceQueue.remove() @bci=2, line=132 (Interpreted frame)
> - sun.java2d.Disposer.run() @bci=3, line=107 (Interpreted frame)
> - java.lang.Thread.run() @bci=11, line=595 (Interpreted frame)
>
>
> Thread t@5: (state = BLOCKED)
>
>
> Thread t@4: (state = BLOCKED)
> - java.lang.Object.wait(long) @bci=721419625 (Interpreted frame)
> - java.lang.Object.wait(long) @bci=0 (Interpreted frame)
> - java.lang.ref.ReferenceQueue.remove(long) @bci=44, line=116 (Interpreted frame)
> - java.lang.ref.ReferenceQueue.remove() @bci=2, line=132 (Interpreted frame)
> - java.lang.ref.Finalizer$FinalizerThread.run() @bci=3, line=159 (Interpreted frame)
>
>
> Thread t@3: (state = BLOCKED)
> - java.lang.Object.wait(long) @bci=706274828 (Interpreted frame)
> - java.lang.Object.wait(long) @bci=0 (Interpreted frame)
> - java.lang.Object.wait() @bci=2, line=474 (Interpreted frame)
> - java.lang.ref.Reference$ReferenceHandler.run() @bci=46, line=116 (Interpreted frame)