Failed test test/closed/gc/4950157:

#
# An unexpected error has been detected by Java Runtime Environment:
#
# Internal Error (/net/prt-sol-sparc-2/tmp/PrtBuildDir/workspace/src/share/vm/memory/referenceProcessor.cpp:495), pid=11992, tid=6
# Error: assert(allow_null_referent ? _referent->is_oop_or_null() : _referent->is_oop(),"bad referent")
#
# Java VM: Java HotSpot(TM) Client VM (20070803141919.nips.superword64-fastdebug mixed mode solaris-sparc)
# If you would like to submit a bug report, please visit:
# http://java.sun.com/webapps/bugreport/crash.jsp
#

--------------- T H R E A D ---------------

Current thread (0x00171c00): VMThread [stack: 0xfa900000,0xfa980000] [id=6]

Stack: [0xfa900000,0xfa980000], sp=0xfa97f420, free space=509k
Native frames: (J=compiled Java code, j=interpreted, Vv=VM code, C=native code)
V [libjvm.so+0xef66b0]
V [libjvm.so+0x4b744c]
V [libjvm.so+0xc9cce0]
V [libjvm.so+0xc9c8e8]
V [libjvm.so+0x461370]
V [libjvm.so+0x460dc8]
V [libjvm.so+0x52d500]
V [libjvm.so+0x52f414]
V [libjvm.so+0xef85a0]
V [libjvm.so+0xf23524]
V [libjvm.so+0xf21638]
V [libjvm.so+0xf21e48]
V [libjvm.so+0xf21138]
V [libjvm.so+0xc23a88]

VM_Operation (0xfd07f738): GenCollectFull, mode: safepoint, requested by thread 0x0004b800


--------------- P R O C E S S ---------------

Java Threads: ( => current thread )
  0x0019f000 JavaThread "Low Memory Detector" daemon [_thread_blocked, id=12, stack(0xf3880000,0xf3900000)]
  0x0019cc00 JavaThread "CompilerThread0" daemon [_thread_blocked, id=11, stack(0xf3980000,0xf3a00000)]
  0x0019b400 JavaThread "Signal Dispatcher" daemon [_thread_blocked, id=10, stack(0xf3a80000,0xf3b00000)]
  0x0019a000 JavaThread "Surrogate Locker Thread (CMS)" daemon [_thread_blocked, id=9, stack(0xf3b80000,0xf3c00000)]
  0x0017fc00 JavaThread "Finalizer" daemon [_thread_blocked, id=8, stack(0xf3c80000,0xf3d00000)]
  0x0017e400 JavaThread "Reference Handler" daemon [_thread_blocked, id=7, stack(0xf3d80000,0xf3e00000)]
  0x0004b800 JavaThread "main" [_thread_blocked, id=2, stack(0xfd000000,0xfd080000)]

Other Threads:
=>0x00171c00 VMThread [stack: 0xfa900000,0xfa980000] [id=6]
  0x001a1c00 WatcherThread [stack: 0xf3780000,0xf3800000] [id=13]

VM state:at safepoint (normal execution)

VM Mutex/Monitor currently owned by a thread: ([mutex/lock_event])
[0x00049bb8/0x00049c28] Threads_lock - owner thread: 0x00171c00
[0x0004a678/0x0004a6d8] Heap_lock - owner thread: 0x0004b800

Heap
 par new generation total 14784K, used 14697K [0xf4800000, 0xf5800000, 0xf5800000)
  eden space 13184K, 99% used [0xf4800000, 0xf54d3b60, 0xf54e0000)
  from space 1600K, 97% used [0xf5670000, 0xf57f6b90, 0xf5800000)
  to space 1600K, 0% used [0xf54e0000, 0xf54e0000, 0xf5670000)
 concurrent mark-sweep generation total 16384K, used 16375K [0xf5800000, 0xf6800000, 0xf6800000)
 concurrent-mark-sweep perm gen total 12288K, used 1730K [0xf6800000, 0xf7400000, 0xfa800000)

VM Arguments:
jvm_args: -Xmx32m -XX:-CMSYield -XX:+UseConcMarkSweepGC -XX:CMSInitiatingOccupancyFraction=0
java_command: BubbleUpRef 16000 50 10000
Launcher Type: SUN_STANDARD

Environment Variables:
CLASSPATH=.:/export/local/2519.JDK7.NIGHTLY.VM+64BITSOLSPARC_server_comp_HS_REGRESSION/results/classes/closed/gc/4950157:
PATH=/bin:/usr/bin
LD_LIBRARY_PATH=/export/local/common/jdk/baseline/solaris-sparcv9/jre/lib/sparc/client:/export/local/common/jdk/baseline/solaris-sparcv9/jre/lib/sparc:/export/local/common/jdk/baseline/solaris-sparcv9/jre/../lib/sparc


pstack:

 ff13fe90 _lwp_kill (6, 0, 5, ff18eed0, ffffffff, 6) + 8
 ff0cfde8 abort (fa97f3f0, 1, 6, ff18d5c0, ba90c, 0) + 108
 fe02572c __1cCosFabort6Fb_v_ (433b0, ffd046e1, fec793c9, fefb8098, 1, 2fb800) + 168
 fe2f6c6c __1cHVMErrorOreport_and_die6M_v_ (56c00, 56ec8, 9e000, fefcbbb0, fefb8098, 171c00) + e18
 fd8b7444 __1cYreport_assertion_failure6Fpkci1_v_ (fece9aa6, 1ef, fece9b00, 27800, 16bd908, fef74ce8) + 68
 fe09ccd8 __1cSReferenceProcessorbBclean_up_discovered_reflist6MrnODiscoveredList__v_ (0, 168bd0, 0, fefbdbe8, ffffffff, fa97f630) + 3d0
 fe09c8e0 __1cSReferenceProcessorbEclean_up_discovered_references6M_v_ (fece9496, 168b60, 5, fece894c, ff02002c, fef9c955) + 1b4
 fd861368 __1cMCMSCollectorbBacquire_control_and_collect6Mbb_v_ (acf68, 9, fef9c400, 0, 5, 0) + 4e4
 fd860dc0 __1cMCMSCollectorHcollect6MbbIb_v_ (1, 1, 0, 1, fef9c400, acf68) + 11c
 fd92d4f8 __1cQGenCollectedHeapNdo_collection6MbbIbi_v_ (50c58, 50cb8, 1, 0, 50cb0, 1) + b28
 fd92f40c __1cQGenCollectedHeapSdo_full_collection6Mbi_v_ (50c58, 0, 0, 1, 1, 50c58) + 60
 fe2f8598 __1cRVM_GenCollectFullEdoit6M_v_ (fd07f738, 8, 50c58, 50d20, fa97fa3c, 50db8) + dc
 fe32351c __1cMVM_OperationIevaluate6M_v_ (fd07f738, 6ac00, 0, fef74ce8, fef9c601, fef9c62a) + 174
 fe321630 __1cIVMThreadSevaluate_operation6MpnMVM_Operation__v_ (1, fd07f738, 172c08, fef74ce8, fef8d810, 6c000) + 180
 fe321e40 __1cIVMThreadEloop6M_v_ (5f400, 5f400, fefb6b94, fef7659c, fef8d810, fef74ce8) + 620
 fe321130 __1cIVMThreadDrun6M_v_ (171c00, fefd4354, 4a198, 42d5c, 3ec70, 6c400) + fc
 fe023a80 java_start (171c00, 2ed8, 172cb0, fef74ce8, f51404, 42800) + 1a0
 ff13ecc4 _lwp_start (0, 0, 0, 0, 0, 0)