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Quick Lists
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Bug ID:
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6577184
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Votes
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0
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Synopsis
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G1: SIGSEGV in ~BufferBlob::Interpreter after a full GC
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Category
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hotspot:garbage_collector
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Reported Against
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Release Fixed
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hs14(b06),
6u14(b01) (Bug ID:2173879)
, 7(b39) (Bug ID:2177329)
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State
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10-Fix Delivered,
bug
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Priority:
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3-Medium
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Related Bugs
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Submit Date
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05-JUL-2007
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Description
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SIGSEGV in ~BufferBlob::Interpreter after a full GC:
148.629: [Full GC 85M->23M(128M), 1.2100642 secs]
#
# An unexpected error has been detected by Java Runtime Environment:
#
# SIGSEGV (0xb) at pc=0xfb005a54, pid=10543, tid=31
#
# Java VM: Java HotSpot(TM) Server VM (1.7.0-internal-fastdebug mixed mode)
# Problematic frame:
# v ~BufferBlob::Interpreter
#
Posted Date : 2007-07-05 08:41:17.0
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Work Around
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N/A
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Evaluation
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This bug is due to screwed up MinPermHeapExpansion in CollectorPolicy::initialize_flags(). It's initial value is less than min_alignment() so align_size_down(...) returns zero. Then when the a full collection happened, CompactingPermGen::compute_new_size() _shrinks_ the permanent generation and kills live data.
Posted Date : 2007-07-05 11:38:16.0
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Comments
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PLEASE NOTE: JDK6 is formerly known as Project Mustang
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