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Bug
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Resolution: Duplicate
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P3
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None
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14
Following assertion failed on 2019-08-07 nightly kitchensink-jcstress test. The cause is actually due to the bad assertion itself, as _index == _size is possible when array is full. Ironically, the same assertions are handled correctly elsewhere.
# Internal Error (/home/jenkins/workspace/nightly/shenandoah-jdk/src/hotspot/share/gc/shenandoah/shenandoahNMethod.cpp:354), pid=123793, tid=123808
# assert(_index >= 0 && _index < _size) failed: Sanity
#
# JRE version: OpenJDK Runtime Environment (14.0) (fastdebug build 14-internal+0-adhoc.jenkins.shenandoah-jdk)
# Java VM: OpenJDK 64-Bit Server VM (fastdebug 14-internal+0-adhoc.jenkins.shenandoah-jdk, mixed mode, sharing, tiered, compressed oops, shenandoah gc, linux-amd64)
# Problematic frame:
# V [libjvm.so+0x16565e4] ShenandoahNMethodTable::remove(int)+0x164
#
# No core dump will be written. Core dumps have been disabled. To enable core dumping, try "ulimit -c unlimited" before starting Java again
#
# Internal Error (/home/jenkins/workspace/nightly/shenandoah-jdk/src/hotspot/share/gc/shenandoah/shenandoahNMethod.cpp:354), pid=123793, tid=123808
# assert(_index >= 0 && _index < _size) failed: Sanity
#
# JRE version: OpenJDK Runtime Environment (14.0) (fastdebug build 14-internal+0-adhoc.jenkins.shenandoah-jdk)
# Java VM: OpenJDK 64-Bit Server VM (fastdebug 14-internal+0-adhoc.jenkins.shenandoah-jdk, mixed mode, sharing, tiered, compressed oops, shenandoah gc, linux-amd64)
# Problematic frame:
# V [libjvm.so+0x16565e4] ShenandoahNMethodTable::remove(int)+0x164
#
# No core dump will be written. Core dumps have been disabled. To enable core dumping, try "ulimit -c unlimited" before starting Java again
#
- duplicates
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JDK-8227103 Shenandoah: Refactor ShenandoahNMethod in preparation of concurrent nmethod iteration
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- Closed
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