RFR (S): 7167254: Crash on OSX in Enumerator.nextElement() with compressed oops

Roland Westrelin roland.westrelin at oracle.com
Tue May 15 05:38:33 PDT 2012


Crashes were reported for 64 bit VMs on OSX running in "compressed oops with base" mode. The crash is caused by a SIGBUS on a correctly aligned access to the first page of the heap which is used for implicit null checks. With this change hotspot on OSX expects either a SIGBUS or SIGSEGV for implicit null checks.


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