J2SE : java full version "1.7.0-internal-fastdebug-phh_15_nov_2006_17_00-b00"
HotSpot: Java HotSpot(TM) Client VM (build 1.7.0-internal-fastdebug-phh_15_nov_2006_17_00-b00-debug, mixed mode)
Machine: Linux vmsqe-v210-05 2.6.15-27-sparc64-smp #1 SMP Sat Sep 16 02:10:04 UTC 2006 sparc64 GNU/Linux

This is the tlog script of gc/gctests/WeakReferenceGC
[2006-11-20T10:53:33.69] ${JAVA} ${JAVA_OPTS} ${EXECUTE_CLASS} ${TEST_ARGS} 1>${test_work_dir}/${test_name}.eout
[2006-11-20T10:53:33.70] # Actual: /net/vmsqe.russia/export1/vmsqe/jdk-builds/JDK7b00/linux-sparc/fastdebug/bin/java -client -Xmixed -DHANGINGJAVA18723 -Xcheck:jni gc.gctests.WeakReferenceGC.WeakReferenceGC -numList 50 -qFactor 0.9 -gcCount 5 -iter 100
[2006-11-20T10:53:33.71] #
[2006-11-20T10:53:44.58] # An unexpected error has been detected by Java Runtime Environment:
[2006-11-20T10:53:44.58] #
[2006-11-20T10:53:44.58] # SIGSEGV (0xb) at pc=0xf7b21eb0, pid=7656, tid=3974986672
[2006-11-20T10:53:44.58] #
[2006-11-20T10:53:44.58] # Java VM: Java HotSpot(TM) Client VM (1.7.0-internal-fastdebug-phh_15_nov_2006_17_00-b00-debug mixed mode)
[2006-11-20T10:53:44.58] # Problematic frame:
[2006-11-20T10:53:44.58] #
[2006-11-20T10:53:44.58] [error occurred during error reporting, step 60, id 0xe0000000]
[2006-11-20T10:53:44.58]
[2006-11-20T10:53:44.58] # An error report file with more information is saved as hs_err_pid7656.log
[2006-11-20T10:53:44.58] #
[2006-11-20T10:53:44.58] # If you would like to submit a bug report, please visit:
[2006-11-20T10:53:44.58] # http://java.sun.com/webapps/bugreport/crash.jsp
[2006-11-20T10:53:44.58] #
[2006-11-20T10:53:44.58] Current thread is 3974986672
[2006-11-20T10:53:44.58] Dumping core ...
[2006-11-20T10:53:44.58] # Test level exit status: 134
[2006-11-20T10:53:44.68]

More info at
http://vmsqe.russia/execution/results/adhoc/testbase_SPB_1.6.0-snapshot/2006-11-20/Main/vm/LINUX-SPARC/client/mixed/vm-vm_testbase_SPB_1.6.0-snapshot_client_mixed_linux-sparc2006-11-20-12-52-01/analysis.html#New_Failures