Assertion failure during nightly testing on linux-amd64 with test
gc/memory/Churn/Churn2

[2006-10-18T04:43:50.36] # To suppress the following error report, specify this argument
[2006-10-18T04:43:50.36] # after -XX: or in .hotspotrc: SuppressErrorAt=/concurrentMarkSweepGeneration.cpp:5124
[2006-10-18T04:43:50.36] #
[2006-10-18T04:43:50.36] # An unexpected error has been detected by Java Runtime Environment:
[2006-10-18T04:44:53.94] #
[2006-10-18T04:44:53.94] # Internal Error (/PrtBuildDir/workspace/src/share/vm/memory/concurrentMarkSweepGeneration.cpp, 5124), pid=1312, tid=5126
[2006-10-18T04:44:53.94] #
[2006-10-18T04:44:53.94] # Java VM: Java HotSpot(TM) 64-Bit Server VM (20061016062331.jmasa.gc_baseline_merge-debug mixed mode)
[2006-10-18T04:44:53.94] #
[2006-10-18T04:44:53.94] # Error: assert(cur_val < top,"All recorded addresses should be less")
[2006-10-18T04:44:53.94] # An error report file with more information is saved as hs_err_pid1312.log
[2006-10-18T04:44:53.94] #
[2006-10-18T04:44:53.94] # If you would like to submit a bug report, please visit:
[2006-10-18T04:44:53.94] # http://java.sun.com/webapps/bugreport/crash.jsp
[2006-10-18T04:44:53.94] #
[2006-10-18T04:44:53.94] VM option '-PrintVMOptions'
[2006-10-18T04:44:53.94] VM option '+UseConcMarkSweepGC'
[2006-10-18T04:44:53.94] VM option '+CMSPermGenSweepingEnabled'
[2006-10-18T04:44:53.94] VM option '+CMSClassUnloadingEnabled'
[2006-10-18T04:44:53.94] VM option '+ExplicitGCInvokesConcurrent'
Adding -XX:-UseCMSCompactAtFullCollection -XX:+PromotionFailureALot
to the mix is a sure way to expose this problem very reliably.