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Type: Bug
Resolution: Fixed
Priority: P4
Fix Version/s: 9
Affects Version/s: 9
Component/s: hotspot
Labels:
- 8u-tier1
- noreg-hard

Subcomponent:
compiler
Resolved In Build:
b31

Issue	Fix Version	Assignee	Priority	Status	Resolution	Resolved In Build
JDK-8083372	emb-9	Roland Westrelin	P4	Resolved	Fixed	b31
JDK-8269422	8u321	Fairoz Matte	P4	Resolved	Fixed	b01

Speculative traps recorded in a MethodData can be removed at a safepoint. During a compilation, as a MethodData is copied and translated by a compiler thread to build a ciMethodData, a safepoint can occur as speculative traps are being copied, and not yet copied speculative traps may be removed. That changes the layout of the traps. The loop doing the copying doesn't handle it currently.

backported by

JDK-8083372 Speculative traps not robust when compilation and class unloading are concurrent

Resolved

JDK-8269422 Speculative traps not robust when compilation and class unloading are concurrent

Resolved

JDK-8258774 Speculative traps not robust when compilation and class unloading are concurrent

Closed

relates to

JDK-8139247 Improper locking of MethodData::_extra_data_lock

Resolved

JDK-8215889 assert(!_unloading) failed: This oop is not available to unloading class loader data with ZGC

Resolved

JDK-8216427 ciMethodData::load_extra_data() does not always unpack the last entry

Resolved

(1 relates to)

Assignee:: Roland Westrelin

Reporter:: Roland Westrelin

Votes:: 0 Vote for this issue

Watchers:: 5 Start watching this issue

Created:: 2014-09-02 05:50

Updated:: 2021-09-20 06:13

Resolved:: 2014-09-03 10:04

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