We're hitting a failure in the nightlies after I pushed the slow allocation path changes (6974966). It looks like this:

[2010-12-01T10:24:53.05] # To suppress the following error report, specify this argument
[2010-12-01T10:24:53.05] # after -XX: or in .hotspotrc: SuppressErrorAt=/g1CollectedHeap.cpp:924
[2010-12-01T10:24:53.05] #
[2010-12-01T10:24:53.05] # A fatal error has been detected by the Java Runtime Environment:
[2010-12-01T10:24:53.05] #
[2010-12-01T10:24:53.05] # Internal Error (/tmp/jprt/P1/B/162626.ap31282/source/src/share/vm/gc_implementation/g1/g1CollectedHeap.cpp:924), pid=23081, tid=1096509776
[2010-12-01T10:24:53.05] # assert(_cur_alloc_region == NULL || !expect_null_cur_alloc_region) failed: The current alloc region should only be non-NULL if we're expecting it not to be NULL
[2010-12-01T10:24:53.05] #
[2010-12-01T10:24:53.05] # JRE version: 7.0
[2010-12-01T10:24:53.05] # Java VM: OpenJDK 64-Bit Server VM (20.0-b03-201011301626.ap31282.hotspot-g1-push-fastdebug mixed mode linux-amd64 compressed oops)
[2010-12-01T10:24:53.05] # An error report file with more information is saved as:
[2010-12-01T10:24:53.05] # /export/local/40214.JDK7.NIGHTLY.VM+linux-amd64_vm_server_mixed_nsk.stress.testlist/results/ResultDir/jck122001/hs_err_pid23081.log
[2010-12-01T10:24:53.05] #
[2010-12-01T10:24:53.05] # If you would like to submit a bug report, please visit:
[2010-12-01T10:24:53.05] # http://java.sun.com/webapps/bugreport/crash.jsp
[2010-12-01T10:24:53.05] #