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  1. JDK
  2. JDK-6494722

SA: jstack throws get_thread_regs failed for lwp debugger exception.

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    Details

    • Subcomponent:
    • Resolved In Build:
      b01
    • CPU:
      x86
    • OS:
      linux

      Description

      On linux 2.6.9 the latest 5.0 update version of jstack throws debugger exception.

      Thread 26023: (state = BLOCKED)
      Error occurred during stack walking:
      sun.jvm.hotspot.debugger.DebuggerException: sun.jvm.hotspot.debugger.DebuggerExc
      eption: get_thread_regs failed for a lwp
             at sun.jvm.hotspot.debugger.linux.LinuxDebuggerLocal$LinuxDebuggerLocalWo
      rkerThread.execute(LinuxDebuggerLocal.java:134)
             at sun.jvm.hotspot.debugger.linux.LinuxDebuggerLocal.getThreadIntegerRegi
      sterSet(LinuxDebuggerLocal.java:437)
             at sun.jvm.hotspot.debugger.linux.LinuxThread.getContext(LinuxThread.java
      :48)
             at sun.jvm.hotspot.runtime.linux_x86.LinuxX86JavaThreadPDAccess.getCurren
      tFrameGuess(LinuxX86JavaThreadPDAccess.java:75)
             at sun.jvm.hotspot.runtime.JavaThread.getCurrentFrameGuess(JavaThread.jav
      a:252)
             at sun.jvm.hotspot.runtime.JavaThread.getLastJavaVFrameDbg(JavaThread.jav
      a:211)
             at sun.jvm.hotspot.tools.StackTrace.run(StackTrace.java:50)
             at sun.jvm.hotspot.tools.JStack.run(JStack.java:41)
             at sun.jvm.hotspot.tools.Tool.start(Tool.java:204)
             at sun.jvm.hotspot.tools.JStack.main(JStack.java:58)
      Caused by: sun.jvm.hotspot.debugger.DebuggerException: get_thread_regs failed fo
      r a lwp


      One of sun customer is facing this problem and would like this bug
      to be fixed in 5.0 update release.

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            Assignee:
            robm Robert Mckenna
            Reporter:
            swamyv Swamy Venkataramanappa
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              Updated:
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