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  1. JDK
  2. JDK-6289836

Java Profiling (-Xprof) crashes analysing thread in SIGLWP.


    • Type: Bug
    • Status: Closed
    • Priority: P4
    • Resolution: Cannot Reproduce
    • Affects Version/s: 1.4.2_08
    • Fix Version/s: None
    • Component/s: hotspot
    • Subcomponent:
    • CPU:
    • OS:


      The JVM running with the -Xprof option can crash while analysing a thread that's handling a SIGLWP.

      Crashing thread - the JVM Profiler:

      t@null (l@13) terminated by signal ABRT (Abort)
      0xff379dd8: __sigprocmask+0x0008: retl
      dbx> where -l
      =>[1] libthread.so.1:__sigprocmask(0x0, 0xb4c00650, 0x0, 0xffffffff, 0xffffffff, 0x0), at 0xff379dd8
        [2] libthread.so.1:_resetsig(0xff38ca6c, 0x0, 0x0, 0x0, 0xb4c01e3c, 0xb4c01e40), at 0xff36f3c4
        [3] libthread.so.1:_sigon(0xff3944f8, 0xff394378, 0xb4c01e38, 0xb4c00724, 0x6, 0xff2ce178), at 0xff36eb80
        [4] libthread.so.1:_thrp_kill(0x0, 0xc, 0x6, 0xff38ca6c, 0xb4c01dc0, 0xff393cf4), at 0xff371954
        [5] libc.so.1:abort(0xff335f84, 0xb4c00818, 0x0, 0xfffffff8, 0x0, 0xb4c00839), at 0xff2b95a0
        [6] libjvm.so:os::abort(0x1, 0xfe5555aa, 0xb4c008c8, 0xfe582000, 0xfe5c9944, 0x3ee894), at 0xfe499d98
        [7] libjvm.so:os::handle_unexpected_exception(0x0, 0xa, 0xfe3890fc, 0xb4c01608, 0xfe1d7398, 0x0), at 0xfe4980ac
        [8] libjvm.so:JVM_handle_solaris_signal(0xfe3890fc, 0xb4c01608, 0xb4c01350, 0x3400, 0x3608, 0x0), at 0xfe1d7c6c
        [9] libthread.so.1:__sighndlr(0xa, 0xb4c01608, 0xb4c01350, 0xfe1d731c, 0xb4c01e48, 0xb4c01e28), at 0xff37be38
        ---- called from signal handler with signal 10 (SIGBUS) ------
        [10] libjvm.so:ThreadProfiler::record_interpreted_tick(0xd0308, 0xb4c01848, 0x0, 0xffca8, 0x481704, 0xfe38a2a8), at 0xfe3890fc
        [11] libjvm.so:ThreadProfiler::record_tick(0xd0308, 0xcf900, 0xfa400, 0x201960, 0x0, 0xa), at 0xfe38a2fc
        [12] libjvm.so:FlatProfiler::record_thread_ticks(0xfb050, 0xa, 0x0, 0x0, 0x0, 0x0), at 0xfe388c84
        [13] libjvm.so:PeriodicTask::real_time_tick(0xa, 0x0, 0xa, 0x0, 0x2, 0xb4c01cd5), at 0xfe4d86f4
        [14] libjvm.so:WatcherThread::run(0x2014d0, 0xd, 0x7f, 0xc, 0xff38ca6c, 0x0), at 0xfe2bfb64
        [15] libjvm.so:_start(0x2014d0, 0x0, 0x1, 0xff38e0d8, 0x1, 0xff38ca6c), at 0xfe2643e0

      The thread it was analysing:

      dbx> where -l l@65
      =>[1] libc.so.1:__lwp_sema_wait(0x4, 0x0, 0x0, 0x0, 0x0, 0x0), at 0xff319f94
        [2] libthread.so.1:_park(0xaf381dc0, 0xaf381e78, 0x0, 0x0, 0x0, 0x0), at 0xff36b2f8
        [3] libthread.so.1:_swtch(0x5, 0xff38ca6c, 0xaf381e54, 0xaf381e50, 0xaf381e4c, 0xaf381e48), at 0xff36ae4c
        [4] libthread.so.1:_dopreempt(0x0, 0xff38ca6c, 0x0, 0x0, 0x0, 0x0), at 0xff36cf30
        [5] libthread.so.1:_sigsuspnd(0xaf381dc0, 0xaf380848, 0xaf380590, 0x0, 0x0, 0x0), at 0xff36f6c4
        [6] libthread.so.1:__sighndlr(0x21, 0xaf380848, 0xaf380590, 0xff36f6e0, 0xaf381e28, 0x0), at 0xff37be38
        ---- called from signal handler with signal 33 (SIGLWP) ------
        [7] 0xf980a0b8(0xd10c96e0, 0xbeda9220, 0xbf18a008, 0x0, 0x1, 0xaf3808c8), at 0xf980a0b7
      ...stacktrace continues...

      ###@###.### 2005-06-23 10:57:53 GMT


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              • Assignee:
                sbohne Steve Bohne (Inactive)
                kevinw Kevin Walls
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