JDK-6953058 : G1: A bigapp crashes with SIGSEGV in compiled code
Type:Bug
Component:hotspot
Sub-Component:gc
Affected Version:6u21
Priority:P2
Status:Closed
Resolution:Fixed
OS:generic
CPU:x86
Submitted:2010-05-17
Updated:2013-09-18
Resolved:2011-03-08
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SUGGESTED FIX
Pass a control input to the IR nodes for the loads of _index and _buf. This should limit how far the JIT can move them.
07-06-2010
EVALUATION
The loads of the DirtyCardQueue::_index and DirtyCardQueue::_buf in the G1 post write barrier were moved above a safepoint in which these fields were reset.