JDK-6758633 : G1: SEGV with GCOld on Linux
  • Type: Bug
  • Component: hotspot
  • Sub-Component: gc
  • Affected Version: hs14
  • Priority: P3
  • Status: Closed
  • Resolution: Fixed
  • OS: linux
  • CPU: generic
  • Submitted: 2008-10-13
  • Updated: 2013-09-18
  • Resolved: 2011-03-08
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JDK 6 JDK 7 Other
6u14Fixed 7Fixed hs14Fixed
Description
G1 crashes during young and full GCs on Linux.

Comments
EVALUATION http://hg.openjdk.java.net/jdk7/hotspot-gc/hotspot/rev/078b8a0d8d7c
14-10-2008

EVALUATION The apparent reason of the crash is concurrent resizing of a GrowableArray that is used as a storage for HeapRegionSeq, and reading from it. During the resize procedure multiple kinds of races are possible which all cause HeapRegionSeq corruption from reader's point of view.
13-10-2008