JDK-8222129 : Shenandoah: Missing CompareAndSwapP/N case in get_barrier_strength()
- Type: Bug
- Component: hotspot
- Sub-Component: gc
- Affected Version: 8-shenandoah,11-shenandoah,13
- Priority: P4
- Status: Resolved
- Resolution: Fixed
- OS: generic
- CPU: generic
- Submitted: 2019-04-08
- Updated: 2019-05-22
- Resolved: 2019-04-08
The Version table provides details related to the release that this issue/RFE will be addressed.
Unresolved : Release in which this issue/RFE will be addressed.
Resolved: Release in which this issue/RFE has been resolved.
Fixed : Release in which this issue/RFE has been fixed. The release containing this fix may be available for download as an Early Access Release or a General Availability Release.
To download the current JDK release, click here.
Unresolved : Release in which this issue/RFE will be addressed.
Resolved: Release in which this issue/RFE has been resolved.
Fixed : Release in which this issue/RFE has been fixed. The release containing this fix may be available for download as an Early Access Release or a General Availability Release.
To download the current JDK release, click here.
| JDK 13 |
|---|
13 b16Fixed  |
Related Reports
|
Blocks :
|
Description
Missing case CompareAndSwapN/P in get_barrier_strength() trips as assert in shenadoahSupport.cpp. This is non-fatal for release builds. Unknown node in get_barrier_strength: 23 ConP === 0 [[ 24 84 92 111 141 456 606 456 175 175 226 233 251 141 449 ]] #NULL 350 CheckCastPP === 801 762 [[ 626 606 456 631 ]] #java/util/concurrent/ConcurrentHashMap:NotNull:exact * Oop:java/util/concurrent/ConcurrentHashMap:NotNull:exact * !jvms: AttributesMap::ensureMap @ bci:11 AttributesMap::setAttribute @ bci:13 593 AddP === _ 461 461 73 [[ 606 ]] Oop:java/util/concurrent/atomic/AtomicReference:NotNull+16 * !jvms: VarHandleReferences$FieldInstanceReadWrite::compareAndSet @ bci:34 VarHandleGuards::guard_LLL_Z @ bci:37 AtomicReference::compareAndSet @ bci:6 AttributesMap::ensureMap @ bci:25 AttributesMap::setAttribute @ bci:13 600 Proj === 598 [[ 606 604 ]] #2 Memory: @BotPTR *+bot, idx=Bot; !jvms: VarHandleReferences$FieldInstanceReadWrite::compareAndSet @ bci:34 VarHandleGuards::guard_LLL_Z @ bci:37 AtomicReference::compareAndSet @ bci:6 AttributesMap::ensureMap @ bci:25 AttributesMap::setAttribute @ bci:13 599 Proj === 598 [[ 608 606 ]] #0 !jvms: VarHandleReferences$FieldInstanceReadWrite::compareAndSet @ bci:34 VarHandleGuards::guard_LLL_Z @ bci:37 AtomicReference::compareAndSet @ bci:6 AttributesMap::ensureMap @ bci:25 AttributesMap::setAttribute @ bci:13 606 CompareAndSwapP === 599 600 593 350 23 [[ 607 612 619 626 ]] !jvms: VarHandleReferences$FieldInstanceReadWrite::compareAndSet @ bci:34 VarHandleGuards::guard_LLL_Z @ bci:37 AtomicReference::compareAndSet @ bci:6 AttributesMap::ensureMap @ bci:25 AttributesMap::setAttribute @ bci:13 # To suppress the following error report, specify this argument # after -XX: or in .hotspotrc: SuppressErrorAt=/shenandoahSupport.cpp:3246 # # A fatal error has been detected by the Java Runtime Environment: # # Internal Error (/home/buildbot/worker/jdkX-linux/build/src/hotspot/share/gc/shenandoah/c2/shenandoahSupport.cpp:3246), pid=25995, tid=26130 # Error: ShouldNotReachHere()