During gc_baseline nightly testing this assertion failure occurred.

## To suppress the following error report, specify this argument
## after -XX: or in .hotspotrc: SuppressErrorAt=/mutex_linux.cpp:408]
##
## An unexpected error has been detected by Java Runtime Environment:
##
## Internal Error (/PrtBuildDir/workspace/src/os/linux/vm/mutex_linux.cpp, 408), pid=7564, tid=1403169136
##
## Java VM: Java HotSpot(TM) 64-Bit Server VM (20060307095526.jcoomes.gc_bugs-debug mixed mode)
##
## Error: assert(status == 0 || status == 4 || status == 62 || status == 110,"cond_timedwait")
## An error report file with more information is saved as hs_err_pid7564.log
##
## If you would like to submit a bug report, please visit:
## http://java.sun.com/webapps/bugreport/crash.jsp
##
#VM option '-PrintVMOptions'
#Current thread is 1403169136
It would be useful to see what error value was actually returned