A few nightly tests still trigger an assertion failure in the parallel old collector; see

http://vmsqe.sfbay/nightly/mantis/DTWS/results/12-15-05/ServerVM/64BITSOLSPARC/mixed/Gc_Baseline-XXParallel/RT_QUICK-NIGHTLY-Gc_Baseline-XXParallel-ServerVM-mixed-64BITSOLSPARC-2005-12-16-02-55-20/analysis.html

[Enter:javasoft.sqe.tests.lang.clss146.clss14601.clss14601]
# To suppress the following error report, specify this argument
# after -XX: or in .hotspotrc: SuppressErrorAt=/psParallelCompact.cpp:2677]
#
# An unexpected error has been detected by Java Runtime Environment:
#
# Internal Error (/net/prt-solsparc-q1-16/tmp/PrtBuildDir/workspace/src/share/vm/gc_implementation/parallelScavenge/psParallelCompact.cpp, 2677 [ Patched ]), pid=15401, tid=7
#
# Java VM: Java HotSpot(TM) 64-Bit Server VM (20051215162257.jcoomes.gc_merge-debug mixed mode)
#
# Error: assert(fillable_chunk_count > 0,"At least 1 chunk should have been added")
# An error report file with more information is saved as hs_err_pid15401.log
#
# If you would like to submit a bug report, please visit:
# http://java.sun.com/webapps/bugreport/crash.jsp


Another example is

http://vmsqe.sfbay/nightly/mantis/DTWS/results/12-15-05/ServerVM/64BITLINUX-AMD64/mixed/Gc_Baseline-XXParallel/RT_QUICK-NIGHTLY-Gc_Baseline-XXParallel-ServerVM-mixed-64BITLINUX-AMD64-2005-12-16-04-01-50/analysis.html

[Enter:gnu.testlet.SimpleTestHarness -testbase /net/vmsqe.sfbay/export/backup/UNIFIED-DTF/DTWS/suites/RT_QUICK/testbase/tests/mauve/classes gnu.testlet.java.io.PipedStream.Test]
# To suppress the following error report, specify this argument
# after -XX: or in .hotspotrc: SuppressErrorAt=/psParallelCompact.cpp:2677]
#
# An unexpected error has been detected by Java Runtime Environment:
#
# Internal Error (/PrtBuildDir/workspace/src/share/vm/gc_implementation/parallelScavenge/psParallelCompact.cpp, 2677), pid=31435, tid=1078294896
#
# Java VM: Java HotSpot(TM) 64-Bit Server VM (20051215162257.jcoomes.gc_merge-debug mixed mode)
#
# Error: assert(fillable_chunk_count > 0,"At least 1 chunk should have been added")
# An error report file with more information is saved as hs_err_pid31435.log
#
# If you would like to submit a bug report, please visit:
# http://java.sun.com/webapps/bugreport/crash.jsp