LABEL REPORT: gc-shenandoah

This report shows bugs with the given label, along with their backporting status.

Report generated: Wed May 07 10:49:27 CEST 2025

Minimal actionable level to display: WAITING

hotspot/compiler

Fix Versions Bug Synopsis
17 18 19 20 21 22 23 24 25
✔ ✖ ✖ ✖ ✔ ✖ ✖ ✖ ✔ JDK-8252366 Shenandoah: revert/cleanup changes in graphKit.cpp
✖ ✖ ✖ ✖ ✖ ✖ ✖ ❉ ✔ JDK-8340186 Shenandoah: Missing load_reference_barrier_phantom_narrow match in is_shenandoah_lrb_call
✖ ✖ ✖ ✖ ✔ ✖ ✖ ❉ ✔ JDK-8328107 Shenandoah/C2: TestVerifyLoopOptimizations test failure
✖ ✖ ✖ ✖ ✔ ❉ ✖ ✖ ✔ JDK-8316959 Improve InlineCacheBuffer pending queue management

hotspot/gc

Fix Versions Bug Synopsis
17 18 19 20 21 22 23 24 25
✖ ✖ ✖ ✖ ✖ ✖ ✖ ✖ ❉ JDK-8342444 Shenandoah: Uncommit regions from a separate, STS aware thread
✔ ✖ ✖ ✖ ✔ ✖ ✖ ✖ ✔ JDK-8311843 GenShen: assertion failed "Old generation affiliated regions must be less than capacity"
✔ ✖ ✖ ✖ ✔ ✖ ✖ ✖ ✔ JDK-8231366 Shenandoah: Shenandoah String Dedup thread is not properly initialized
✔ ✖ ✖ ✖ ✔ ✖ ✖ ✖ ✔ JDK-8297796 GenShen: instrument the remembered set scan
✔ ✖ ✖ ✖ ✔ ✖ ✖ ✖ ✔ JDK-8298597 HdrSeq: support for a merge() method
✔ ✖ ✖ ✖ ✔ ✖ ✖ ✖ ✔ JDK-8311883 [Genshen] Adaptive tenuring threshold
✔ ✖ ✖ ✖ ✔ ✖ ✖ ✖ ✔ JDK-8313574 GenShen: Completing a global mark should also complete an old mark
✔ ✖ ✖ ✖ ✔ ✖ ✖ ✖ ✔ JDK-8315247 GenShen: Condition calls to post-write barrier code generation by a flag
✔ ✖ ✖ ✖ ✔ ✖ ✖ ✖ ✔ JDK-8315872 GenShen: ShenandoahGenerationalHeap as a subclass of ShenandoahHeap
✔ ✖ ✖ ✖ ✔ ✖ ✖ ✖ ✔ JDK-8323901 GenShen: separate generational marking code
✔ ✖ ✖ ✖ ✔ ✖ ✖ ✖ ✔ JDK-8324325 [Genshen] Normalize wrt AgeTable changes from JDK-8314329
✔ ✖ ✖ ✖ ✔ ✖ ✖ ✖ ✔ JDK-8325886 GenShen: separate generational evacuation code
✔ ✖ ✖ ✖ ✔ ✖ ✖ ✖ ✔ JDK-8329790 GenShen: Old regions that are pinned during final mark are not made parsable
✔ ✖ ✖ ✖ ✔ ✖ ✖ ✖ ✔ JDK-8335930 GenShen: Reserve regions within each generation's freeset until available is sufficient
✔ ✖ ✖ ✖ ✔ ✖ ✖ ✖ ✔ JDK-8346044 GenShen: ShenandoahGenerationalHeap entry missing from Universe.java
✖ ❉ ✖ ✖ ✔ ✖ ✖ ✖ ✔ JDK-8274546 Shenandoah: Remove unused ShenandoahUpdateRootsTask copy
✖ ✖ ✖ ✖ ❉ ✖ ✖ ✖ ✔ JDK-8300644 Remove gc/shenandoah/jni/TestStringCriticalWithDedup.java
✔ ✖ ✖ ✔ ❉ ✖ ✖ ✖ ✔ JDK-8307378 Allow collectors to provide specific values for GC notifications' actions
✖ ✖ ✖ ✖ ✖ ✖ ❉ ✖ ✔ JDK-8325671 Shenandoah: Introduce a ShenandoahGenerationType and templatize certain marking closures with it
✖ ✖ ✖ ✖ ✖ ✖ ✖ ❉ ✔ JDK-8334315 Shenandoah: reduce GC logging noise
✖ ✖ ✖ ✖ ✖ ✖ ✖ ❉ ✔ JDK-8293650 Shenandoah: Support archived heap objects
✖ ✖ ✖ ✖ ✖ ✖ ✖ ❉ ✔ JDK-8336915 Shenandoah: Remove unused ShenandoahVerifier::verify_after_evacuation
✖ ✖ ✖ ✖ ✖ ✖ ✖ ❉ ✔ JDK-8340490 Shenandoah: Optimize ShenandoahPacer
✖ ✖ ✖ ✖ ✖ ✖ ✖ ❉ ✔ JDK-8342588 Shenandoah: Pull shared closures together in one header
✖ ✖ ✖ ✖ ✖ ✖ ✖ ❉ ✔ JDK-8344798 Shenandoah: Use more descriptive variable names in shPhaseTimings.cpp
✖ ✖ ✖ ✖ ✖ ✖ ✖ ✖ ❉ JDK-8345423 Shenandoah: Parallelize concurrent cleanup
✖ ✖ ✖ ✖ ✖ ✖ ✖ ✖ ❉ JDK-8345647 Fix recent NULL usage backsliding in Shenandoah
✖ ✖ ✖ ✖ ✖ ✖ ✖ ✖ ❉ JDK-8346008 Fix recent NULL usage backsliding in Shenandoah
✖ ✖ ✖ ✖ ✖ ✖ ✖ ✖ ❉ JDK-8346051 MemoryTest fails when Shenandoah's generational mode is enabled
✖ ✖ ✖ ✖ ✖ ✖ ✖ ✖ ❉ JDK-8344049 Shenandoah: Eliminate init-update-refs safepoint
✖ ✖ ✖ ✖ ✖ ✖ ✖ ✖ ❉ JDK-8344050 Shenandoah: Retire GC LABs concurrently
✖ ✖ ✖ ✖ ✖ ✖ ✖ ✖ ❉ JDK-8344055 Shenandoah: Make all threads use local gc state
✖ ✖ ✖ ✖ ✖ ✖ ✖ ✖ ❉ JDK-8347732 Replace SIZE_FORMAT in shenandoah
✖ ✖ ✖ ✖ ✖ ✖ ✖ ✖ ❉ JDK-8348594 Shenandoah: Do not penalize for degeneration when not the fault of triggering heuristic
✖ ✖ ✖ ✖ ✖ ✖ ✖ ✖ ❉ JDK-8349652 Rewire nmethod oop load barriers
✖ ✖ ✖ ✖ ✖ ✖ ✖ ✖ ❉ JDK-8348171 Refactor GenerationCounters and its subclasses
✖ ✖ ✖ ✖ ✖ ✖ ✖ ✖ ❉ JDK-8338737 Shenandoah: Reset marking bitmaps after the cycle
✖ ✖ ✖ ✖ ✖ ✖ ✖ ✖ ❉ JDK-8352091 GenShen: assert(!(request.generation->is_old() && _heap->old_generation()->is_doing_mixed_evacuations())) failed: Old heuristic should not request cycles while it waits for mixed evacuation
✔ ✖ ✖ ✖ ✔ ✖ ✖ ✖ ✔ JDK-8252114 Windows-AArch64: Enable and test ZGC and ShenandoahGC
✔ ✖ ✖ ✖ ✔ ✖ ✖ ✖ ✔ JDK-8282809 Shenandoah Generational: JBB 2015 crash on PPC64 product build
✔ ✖ ✖ ✖ ✔ ✖ ✖ ✖ ✔ JDK-8282810 Shenandoah Generational: Improve load balancing of remembered set scanning
✔ ✖ ✖ ✖ ✔ ✖ ✖ ✖ ✔ JDK-8282840 Shenandoah Generational: Relax enforcement of evacuation budgets
✔ ✖ ✖ ✖ ✔ ✖ ✖ ✖ ✔ JDK-8282844 Shenandoah Generational: Investigate assertion failure during verification before mark
✔ ✖ ✖ ✖ ✔ ✖ ✖ ✖ ✔ JDK-8282997 Shenandoah Generational: Mutator threads may fail to evacuate
✔ ✖ ✖ ✖ ✔ ✖ ✖ ✖ ✔ JDK-8298647 GenShen require heap size 2MB granularity
✔ ✖ ✖ ✖ ✔ ✖ ✖ ✖ ✔ JDK-8306024 GenShen: Disable failing Shenandoah tests and assertions while corrections are made
✔ ✖ ✖ ✖ ✔ ✖ ✖ ✖ ✔ JDK-8306333 GenShen: Investigate gc/shenandoah/TestDynamicSoftMaxHeapSize.java#generational
✔ ✖ ✖ ✖ ✔ ✖ ✖ ✖ ✔ JDK-8306334 Handle preemption of old cycle between filling and bootstrap phases
✔ ✖ ✖ ✖ ✔ ✖ ✖ ✖ ✔ JDK-8306335 GenShen: Investigate gc/shenandoah/oom/TestThreadFailure.java
✔ ✖ ✖ ✖ ✔ ✖ ✖ ✖ ✔ JDK-8306336 GenShen: Investigate gc/shenandoah/oom/TestClassLoaderLeak.java
✔ ✖ ✖ ✖ ✔ ✖ ✖ ✖ ✔ JDK-8306337 GenShen: Investigate gc/shenandoah/mxbeans/TestChurnNotifications.java#generational
✔ ✖ ✖ ✖ ✔ ✖ ✖ ✖ ✔ JDK-8306339 GenShen: Investigate gc/stress/gcold/TestGCOldWithShenandoah.java#generational
✔ ✖ ✖ ✖ ✔ ✖ ✖ ✖ ✔ JDK-8309317 [Shenandoah] TestRetainObjects#no-tlab and TestSieveObjects#no-tlab time out on some machines
✔ ✖ ✖ ✖ ✔ ✖ ✖ ✖ ✔ JDK-8309319 [GenShen] Assertion "used cannot exceed regions" with TestAllocObjects & TestDynamicSoftMaxHeapSize
✔ ✖ ✖ ✖ ✔ ✖ ✖ ✖ ✔ JDK-8309320 [GenShen] Assertion "size must be multiple of card table size"" with TestElasticTLAB
✔ ✖ ✖ ✖ ✔ ✖ ✖ ✖ ✔ JDK-8309321 [GenShen] Assertion "Cannot budget more than is available"" with TestGCOldWithShenandoah
✔ ✖ ✖ ✖ ✔ ✖ ✖ ✖ ✔ JDK-8309322 [GenShen] TestAllocOutOfMemory#large failed
✔ ✖ ✖ ✖ ✔ ✖ ✖ ✖ ✔ JDK-8309392 [GenShen] Review and correct copyright headers that may have been incorrectly updated
✔ ✖ ✖ ✖ ✔ ✖ ✖ ✖ ✔ JDK-8309639 GenShen: Regression in LRU cache benchmark
✔ ✖ ✖ ✖ ✔ ✖ ✖ ✖ ✔ JDK-8309693 Synchronize openjdk/shenandoah:master with changes made for PR
✔ ✖ ✖ ✖ ✔ ✖ ✖ ✖ ✔ JDK-8309874 NMethod barriers may remain armed when regions are promoted in place
✔ ✖ ✖ ✖ ✔ ✖ ✖ ✖ ✔ JDK-8310062 [Shenandoah] Incomplete SATB buffers may not be processed during degenerated young collection
✔ ✖ ✖ ✖ ✔ ✖ ✖ ✖ ✔ JDK-8310574 GenShen: Should not update-references for in-place-promotions
✔ ✖ ✖ ✖ ✔ ✖ ✖ ✖ ✔ JDK-8310680 GenShen: In-place region promotions may fail
✔ ✖ ✖ ✖ ✔ ✖ ✖ ✖ ✔ JDK-8311599 GenShen: Missing card mark barrier when processing references
✔ ✖ ✖ ✖ ✔ ✖ ✖ ✖ ✔ JDK-8311602 GenShen: Decouple generational mode heuristics
✔ ✖ ✖ ✖ ✔ ✖ ✖ ✖ ✔ JDK-8312321 GenShen: Remembered set scan may encounter garbage objects
✔ ✖ ✖ ✖ ✔ ✖ ✖ ✖ ✔ JDK-8312322 GenShen: Cancelled GCs may become stuck in self-cancellation loop
✔ ✖ ✖ ✖ ✔ ✖ ✖ ✖ ✔ JDK-8312422 GenShen: In-place region promotion state may carry over when evacuation fails
✔ ✖ ✖ ✖ ✔ ✖ ✖ ✖ ✔ JDK-8312610 GenShen: Old generation available is unintentionally restricted by mutator's available memory
✔ ✖ ✖ ✖ ✔ ✖ ✖ ✖ ✔ JDK-8315875 GenShen: Remove heap mode check from ShenandoahInitLogger
✔ ✖ ✖ ✖ ✔ ✖ ✖ ✖ ✔ JDK-8315950 Shenandoah: Improvements to ShenandoahInitLogger
✔ ✖ ✖ ✖ ✔ ✖ ✖ ✖ ✔ JDK-8316755 GenShen: Serviceability needs to know about ShenandoahGenerationalHeap
✔ ✖ ✖ ✖ ✔ ✖ ✖ ✖ ✔ JDK-8317534 GenShen: Remove unused code
✔ ✖ ✖ ✖ ✔ ✖ ✖ ✖ ✔ JDK-8318570 GenShen: Only start old cycles if a young cycle is ready to run
✔ ✖ ✖ ✖ ✔ ✖ ✖ ✖ ✔ JDK-8318619 GenShen: Add configurable threshold for young triggers to expedite old evacuations
✔ ✖ ✖ ✖ ✔ ✖ ✖ ✖ ✔ JDK-8319671 GenShen: Old marking may encounter invalid pointers in SATB buffers
✔ ✖ ✖ ✖ ✔ ✖ ✖ ✖ ✔ JDK-8319867 GenShen: Make old regions parsable at end of concurrent cycles
✔ ✖ ✖ ✖ ✔ ✖ ✖ ✖ ✔ JDK-8319931 GenShen: Increase no progress threshold for TestThreadFailure
✔ ✖ ✖ ✖ ✔ ✖ ✖ ✖ ✔ JDK-8320112 GenShen: Improve end of process report
✔ ✖ ✖ ✖ ✔ ✖ ✖ ✖ ✔ JDK-8320119 GenShen: Correct misspellings of parsable
✔ ✖ ✖ ✖ ✔ ✖ ✖ ✖ ✔ JDK-8320913 GenShen: Bootstrap 21u backports repo
✔ ✖ ✖ ✖ ✔ ✖ ✖ ✖ ✔ JDK-8321605 GenShen: Old generation reference process is never reset
✔ ✖ ✖ ✖ ✔ ✖ ✖ ✖ ✔ JDK-8321816 GenShen: Provide a minimum amount of time for an old collection to run
✔ ✖ ✖ ✖ ✔ ✖ ✖ ✖ ✔ JDK-8321937 GenShen: Sync up 21u based repo
✔ ✖ ✖ ✖ ✔ ✖ ✖ ✖ ✔ JDK-8321939 [GenShen] ShenandoahOldEvacRatioPercent=100 fails with divide-by-zero
✔ ✖ ✖ ✖ ✔ ✖ ✖ ✖ ✔ JDK-8322219 GenShen: GHA for shenandoah repo should run all shenandoah jtreg tests
✔ ✖ ✖ ✖ ✔ ✖ ✖ ✖ ✔ JDK-8322347 GenShen: Run shenandoah tier2 and tier3 tests separately in GHA
✔ ✖ ✖ ✖ ✔ ✖ ✖ ✖ ✔ JDK-8322875 [GenShen] Unused/obsolete method parameter consumed_by_advance_promotion
✔ ✖ ✖ ✖ ✔ ✖ ✖ ✖ ✔ JDK-8323023 GenShen: Region logging test fails intermittently
✔ ✖ ✖ ✖ ✔ ✖ ✖ ✖ ✔ JDK-8323630 GenShen: Control thread may (still) ignore requests to start concurrent GC
✔ ✖ ✖ ✖ ✔ ✖ ✖ ✖ ✔ JDK-8324067 GenShen: Isolate regulator thread to generational mode
✔ ✖ ✖ ✖ ✔ ✖ ✖ ✖ ✔ JDK-8324173 GenShen: Fix error that could cause young gcs to fail when old marking is running
✔ ✖ ✖ ✖ ✔ ✖ ✖ ✖ ✔ JDK-8325808 GenShen: Move generational mode code out of shFullGC.cpp
✔ ✖ ✖ ✖ ✔ ✖ ✖ ✖ ✔ JDK-8328220 GenShen: Move generational mode operational parameters out of ShenandoahHeap
✔ ✖ ✖ ✖ ✔ ✖ ✖ ✖ ✔ JDK-8328626 GenShen: Combine old generation surplus/deficit fields into a single balance field
✔ ✖ ✖ ✖ ✔ ✖ ✖ ✖ ✔ JDK-8329342 GenShen: Synchronize shenandoah-jdk21u:master with shenandoah:master
✔ ✖ ✖ ✖ ✔ ✖ ✖ ✖ ✔ JDK-8329350 GenShen: Do not reset mark bitmaps on a safepoint
✔ ✖ ✖ ✖ ✔ ✖ ✖ ✖ ✔ JDK-8329699 GenShen: Move promotion logic out of shHeap and shHeapRegion
✔ ✖ ✖ ✖ ✔ ✖ ✖ ✖ ✔ JDK-8329789 GenShen: Over assertive assert when scanning remembered set
✔ ✖ ✖ ✖ ✔ ✖ ✖ ✖ ✔ JDK-8329807 Shenandoah: Temporarily revert JDK-8324655
✔ ✖ ✖ ✖ ✔ ✖ ✖ ✖ ✔ JDK-8330414 GenShen: Class unloading requires old regions be made parseable
✔ ✖ ✖ ✖ ✔ ✖ ✖ ✖ ✔ JDK-8331609 GenShen: Refactor generational mode allocations
✔ ✖ ✖ ✖ ✔ ✖ ✖ ✖ ✔ JDK-8332081 GenShen: Disentangle generational mode update references
✔ ✖ ✖ ✖ ✔ ✖ ✖ ✖ ✔ JDK-8332094 GenShen: Reuse existing code to verify usage before rebuilding free set
✔ ✖ ✖ ✖ ✔ ✖ ✖ ✖ ✔ JDK-8332095 GenShen: Move more generational mode members out of shHeap
✔ ✖ ✖ ✖ ✔ ✖ ✖ ✖ ✔ JDK-8332254 GenShen: Remove obsolete comments and revert unnecessary formatting changes
✔ ✖ ✖ ✖ ✔ ✖ ✖ ✖ ✔ JDK-8332330 Shenandoah: Change jcheck configuration for fix version to match project repo
✔ ✖ ✖ ✖ ✔ ✖ ✖ ✖ ✔ JDK-8332331 Shenandoah: Change jcheck configuration for fix version to match project repo
✔ ✖ ✖ ✖ ✔ ✖ ✖ ✖ ✔ JDK-8332548 GenShen: Factor generational mode out of gc helpers
✔ ✖ ✖ ✖ ✔ ✖ ✖ ✖ ✔ JDK-8332824 GenShen: Temporarily revert recent changes to GC helpers
✔ ✖ ✖ ✖ ✔ ✖ ✖ ✖ ✔ JDK-8332913 GenShen: Restore shared update refs iterator
✔ ✖ ✖ ✖ ✔ ✖ ✖ ✖ ✔ JDK-8333109 GenShen: Factor generational mode out of gc helpers (redo)
✔ ✖ ✖ ✖ ✔ ✖ ✖ ✖ ✔ JDK-8333457 GenShen: Move remembered set into new generational code
✔ ✖ ✖ ✖ ✔ ✖ ✖ ✖ ✔ JDK-8333750 GenShen: Only instantiate young/old generations in generational mode
✔ ✖ ✖ ✖ ✔ ✖ ✖ ✖ ✔ JDK-8333825 GenShen: Revert/Remove ShenandoahMaxEvacLABRatio
✔ ✖ ✖ ✖ ✔ ✖ ✖ ✖ ✔ JDK-8333930 GenShen: Check for cancellation of old mark after final mark
✔ ✖ ✖ ✖ ✔ ✖ ✖ ✖ ✔ JDK-8334491 GenShen: Revert changes to Shenandoah defaults
✔ ✖ ✖ ✖ ✔ ✖ ✖ ✖ ✔ JDK-8334681 GenShen: Do not use gtest skip test feature
✔ ✖ ✖ ✖ ✔ ✖ ✖ ✖ ✔ JDK-8335289 GenShen: Whitebox breakpoint GC requests may cause assertions
✔ ✖ ✖ ✖ ✔ ✖ ✖ ✖ ✔ JDK-8335347 GenShen: Revert change that has adaptive heuristic ignore abbreviated cycles
✔ ✖ ✖ ✖ ✔ ✖ ✖ ✖ ✔ JDK-8335932 GenShen: Fix old heuristic unit test
✔ ✖ ✖ ✖ ✔ ✖ ✖ ✖ ✔ JDK-8336106 Genshen: Fix use of missing API in Shenandoah Old Heuristic test
✔ ✖ ✖ ✖ ✔ ✖ ✖ ✖ ✔ JDK-8337242 GenShen: Remove unnecessary copyright changes
✔ ✖ ✖ ✖ ✔ ✖ ✖ ✖ ✔ JDK-8338336 GenShen: Cleanup stale TODOs
✔ ✖ ✖ ✖ ✔ ✖ ✖ ✖ ✔ JDK-8338341 GenShen: Cleanup headers, unreachable code and unintentional changes
✔ ✖ ✖ ✖ ✔ ✖ ✖ ✖ ✔ JDK-8338420 GenShen: Forward declare card table for Shenandoah barrier set
✔ ✖ ✖ ✖ ✔ ✖ ✖ ✖ ✔ JDK-8338473 GenShen: Cleanup access levels, whitespace, typos and unused code
✔ ✖ ✖ ✖ ✔ ✖ ✖ ✖ ✔ JDK-8338477 GenShen: Cleanup generational heap
✔ ✖ ✖ ✖ ✔ ✖ ✖ ✖ ✔ JDK-8338479 GenShen: Detemplatize ShenandoahScanRemembered
✔ ✖ ✖ ✖ ✔ ✖ ✖ ✖ ✔ JDK-8338528 GenShen: Cleanup shenandoahHeapRegion
✔ ✖ ✖ ✖ ✔ ✖ ✖ ✖ ✔ JDK-8338695 GenShen: Clean up jtreg tests
✔ ✖ ✖ ✖ ✔ ✖ ✖ ✖ ✔ JDK-8338717 GenShen: Fix up some assertions
✔ ✖ ✖ ✖ ✔ ✖ ✖ ✖ ✔ JDK-8338763 GenShen: Global GC should not swap remembered sets for the verifier
✔ ✖ ✖ ✖ ✔ ✖ ✖ ✖ ✔ JDK-8338779 GenShen: Prefer log_develop_debug in performance critical code
✔ ✖ ✖ ✖ ✔ ✖ ✖ ✖ ✔ JDK-8338780 GenShen: Fix up some comments
✔ ✖ ✖ ✖ ✔ ✖ ✖ ✖ ✔ JDK-8338881 GenShen: Use explicit third temp register for post barrier
✔ ✖ ✖ ✖ ✔ ✖ ✖ ✖ ✔ JDK-8339094 Shenandoah: Fix up test output from ShenandoahNumberSeqTest
✔ ✖ ✖ ✖ ✔ ✖ ✖ ✖ ✔ JDK-8339127 GenShen: Restore completed mark context assertion during class unloading
✔ ✖ ✖ ✖ ✔ ✖ ✖ ✖ ✔ JDK-8339197 GenShen: Adding Generation and Evacuation Information JFR Logging
✔ ✖ ✖ ✖ ✔ ✖ ✖ ✖ ✔ JDK-8339346 GenShen: Remove even more stale TODOs
✔ ✖ ✖ ✖ ✔ ✖ ✖ ✖ ✔ JDK-8339643 Port JEP 404 to RISC-V
✔ ✖ ✖ ✖ ✔ ✖ ✖ ✖ ✔ JDK-8339695 GenShen: Concurrent reset performance has regressed
✔ ✖ ✖ ✖ ✔ ✖ ✖ ✖ ✔ JDK-8339870 Remove yet more stale TODOs
✔ ✖ ✖ ✖ ✔ ✖ ✖ ✖ ✔ JDK-8340395 GenShen: Remove unnecessary check on card barrier flag
✔ ✖ ✖ ✖ ✔ ✖ ✖ ✖ ✔ JDK-8341042 GenShen: Reset mark bitmaps for unaffiliated regions when preparing for a cycle
✔ ✖ ✖ ✖ ✔ ✖ ✖ ✖ ✔ JDK-8341099 GenShen: assert(HAS_FWD == _heap->has_forwarded_objects()) failed: Forwarded object status is sane
✔ ✖ ✖ ✖ ✔ ✖ ✖ ✖ ✔ JDK-8341485 GenShen: Make evac tracker a non-product feature and confine it to generational mode
✔ ✖ ✖ ✖ ✔ ✖ ✖ ✖ ✔ JDK-8341992 GenShen: Fix formatting, remove unreachable code, unused imports and unnecessary comments
✔ ✖ ✖ ✖ ✔ ✖ ✖ ✖ ✔ JDK-8342001 GenShen: Factor cases for allocation type into separate methods
✔ ✖ ✖ ✖ ✔ ✖ ✖ ✖ ✔ JDK-8342214 GenShen: Reduce code duplication in shFreeSet with iterator abstraction
✔ ✖ ✖ ✖ ✔ ✖ ✖ ✖ ✔ JDK-8342239 GenShen: Revert changes in adaptive heuristic to avoid overflow on 32 bit
✔ ✖ ✖ ✖ ✔ ✖ ✖ ✖ ✔ JDK-8342255 GenShen: Remove unnecessary enum initial values
✔ ✖ ✖ ✖ ✔ ✖ ✖ ✖ ✔ JDK-8342278 GenShen: Move non-generational mode test out of generational test configuration
✔ ✖ ✖ ✖ ✔ ✖ ✖ ✖ ✔ JDK-8342560 GenShen: Fix confusing method name
✔ ✖ ✖ ✖ ✔ ✖ ✖ ✖ ✔ JDK-8342564 GenShen: Only reference young/old generation names in generational mode
✔ ✖ ✖ ✖ ✔ ✖ ✖ ✖ ✔ JDK-8342734 GenShen: Test failure gc/shenandoah/TestReferenceRefersToShenandoah.java#generational
✔ ✖ ✖ ✖ ✔ ✖ ✖ ✖ ✔ JDK-8342861 GenShen: Old generation in unexpected state when abandoning mixed gc candidates
✔ ✖ ✖ ✖ ✔ ✖ ✖ ✖ ✔ JDK-8342919 GenShen: Fix whitespace
✔ ✖ ✖ ✖ ✔ ✖ ✖ ✖ ✔ JDK-8342924 GenShen: Problem list gc/shenandoah/TestReferenceRefersToShenandoah.java
✔ ✖ ✖ ✖ ✔ ✖ ✖ ✖ ✔ JDK-8342927 GenShen: Guarantee slices of time for coalesce and filling
✔ ✖ ✖ ✖ ✔ ✖ ✖ ✖ ✔ JDK-8343227 GenShen: Fold resource mark into management of preselected regions
✔ ✖ ✖ ✖ ✔ ✖ ✖ ✖ ✔ JDK-8343649 Shenandoah: ShenandoahEvacInfo event does not follow JFR guidelines
✔ ✖ ✖ ✖ ✔ ✖ ✖ ✖ ✔ JDK-8344151 GenShen: Improve comments, clean up unnecessary changes
✔ ✖ ✖ ✖ ✔ ✖ ✖ ✖ ✔ JDK-8344152 GenShen: Initialize RegionData in product builds
✔ ✖ ✖ ✖ ✔ ✖ ✖ ✖ ✔ JDK-8344260 GenShen: Excess unaffiliated regions reserved for old will not be transferred to young
✔ ✖ ✖ ✖ ✔ ✖ ✖ ✖ ✔ JDK-8344263 GenShen: Reduce extraneous log messages at INFO level
✔ ✖ ✖ ✖ ✔ ✖ ✖ ✖ ✔ JDK-8344264 GenShen: Improve comments and method names
✔ ✖ ✖ ✖ ✔ ✖ ✖ ✖ ✔ JDK-8344320 GenShen: Possible null pointer usage in shGenerationalHeap
✔ ✖ ✖ ✖ ✔ ✖ ✖ ✖ ✔ JDK-8344321 GenShen: Fix various sonar scan warnings
✔ ✖ ✖ ✖ ✔ ✖ ✖ ✖ ✔ JDK-8344339 GenShen: Avoid using namespaces
✔ ✖ ✖ ✖ ✔ ✖ ✖ ✖ ✔ JDK-8344592 GenShen: Remove unnecessary comments and changes
✔ ✖ ✖ ✖ ✔ ✖ ✖ ✖ ✔ JDK-8344638 GenShen: Verifier should not touch claim token
✔ ✖ ✖ ✖ ✔ ✖ ✖ ✖ ✔ JDK-8344640 GenShen: Reuse existing card mark barrier function when dropping references
✔ ✖ ✖ ✖ ✔ ✖ ✖ ✖ ✔ JDK-8344670 GenShen: Use concurrent worker session for concurrent mark phase
✔ ✖ ✖ ✖ ✔ ✖ ✖ ✖ ✔ JDK-8344779 GenShen: Consolidate shared heap region closures into one header
✔ ✖ ✖ ✖ ✔ ✖ ✖ ✖ ✔ JDK-8344797 GenShen: Update and rename confusing method
✔ ✖ ✖ ✖ ✔ ✖ ✖ ✖ ✔ JDK-8344985 GenShen: Refactor arraycopy barrier for generational mode
✔ ✖ ✖ ✖ ✔ ✖ ✖ ✖ ✔ JDK-8346681 Shenandoah: Does not throw OOME when EATests expects it
✖ ✖ ✖ ✖ ✖ ✖ ✖ ❉ ✔ JDK-8335126 Shenandoah: Improve OOM handling
✖ ✖ ✖ ✖ ✖ ❉ ✖ ✖ ✔ JDK-8309953 Strengthen and optimize oopDesc age methods
✖ ✖ ✖ ✖ ✖ ❉ ✖ ✖ ✔ JDK-8310110 Shenandoah: Trace page sizes
✖ ✖ ✖ ✖ ✖ ❉ ✖ ✖ ✔ JDK-8311978 Shenandoah: Create abstraction over heap metrics for heuristics
✖ ✖ ✖ ✖ ✖ ❉ ✖ ✖ ✔ JDK-8310388 Shenandoah: Auxiliary bitmap is not madvised for THP
✖ ✖ ✖ ✖ ✖ ❉ ✖ ✖ ✔ JDK-8316632 Shenandoah: Raise OOME when gc threshold is exceeded
✖ ✖ ✖ ✖ ✖ ❉ ✖ ✖ ✔ JDK-8320969 Shenandoah: Enforce stable number of GC workers
✖ ✖ ✖ ✖ ✖ ✖ ❉ ✖ ✔ JDK-8322954 Shenandoah: Convert evac-update closures asserts to rich asserts
✖ ✖ ✖ ✖ ✖ ✖ ❉ ✖ ✔ JDK-8322815 Eliminate -Wparentheses warnings in shenandoah code
✖ ✖ ✖ ✖ ✖ ✖ ❉ ✖ ✔ JDK-8323627 Shenandoah: Refactor init logger
✖ ✖ ✖ ✖ ✖ ✖ ❉ ✖ ✔ JDK-8323629 Shenandoah: Fix missing include and declaration
✖ ✖ ✖ ✖ ✖ ✖ ❉ ✖ ✔ JDK-8324334 Shenandoah: Improve end of process report
✖ ✖ ✖ ✖ ✖ ✖ ❉ ✖ ✔ JDK-8324553 Shenandoah: Move periodic tasks closer to their collaborators
✖ ✖ ✖ ✖ ✖ ✖ ❉ ✖ ✔ JDK-8324981 Shenandoah: Move commit and soft max heap changed methods into heap
✖ ✖ ✖ ✖ ✖ ✖ ❉ ✖ ✔ JDK-8325516 Shenandoah: Move heap change tracking into ShenandoahHeap
✖ ✖ ✖ ✖ ✖ ✖ ❉ ✖ ✔ JDK-8325517 Shenandoah: Reduce unnecessary includes from shenandoahControlThread.cpp
✖ ✖ ✖ ✖ ✖ ✖ ❉ ✖ ✔ JDK-8325574 Shenandoah: Simplify and enhance reporting of requested GCs
✖ ✖ ✖ ✖ ✖ ✖ ❉ ✖ ✔ JDK-8332255 Shenandoah: Remove duplicate definition of init mark closure
✖ ✖ ✖ ✖ ✖ ✖ ❉ ✖ ✔ JDK-8332082 Shenandoah: Use consistent tests to determine when pre-write barrier is active
✖ ✖ ✖ ✖ ✖ ✖ ❉ ✖ ✔ JDK-8333105 Shenandoah: Results of concurrent mark may be lost for degenerated cycle
✖ ✖ ✖ ✖ ✖ ✖ ✖ ❉ ✔ JDK-8333926 Shenandoah: Lower default immediate garbage threshold
✖ ✖ ✖ ✖ ✖ ✖ ✔ ❉ ✔ JDK-8334147 Shenandoah: Avoid taking lock for disabled free set logging
✖ ✖ ✖ ✖ ✖ ✖ ✖ ❉ ✔ JDK-8335356 Shenandoah: Improve concurrent cleanup locking
✖ ✖ ✖ ✖ ✖ ✖ ✖ ❉ ✔ JDK-8337213 Shenandoah: Add verification for class mirrors
✖ ✖ ✖ ✖ ✖ ✖ ✖ ❉ ✔ JDK-8336742 Shenandoah: Add more verbose logging/stats for mark termination attempts
✖ ✖ ✖ ✖ ✖ ✖ ✔ ❉ ✔ JDK-8336914 Shenandoah: Missing verification steps after JDK-8255765
✖ ✖ ✖ ✖ ✖ ✖ ✖ ❉ ✔ JDK-8338444 Shenandoah: Remove ShenandoahHumongousThreshold tunable
✖ ✖ ✖ ✖ ✖ ✖ ✖ ❉ ✔ JDK-8338662 Shenandoah: Remove excessive ShenandoahVerifier::verify_during_evacuation
✖ ✖ ✖ ✖ ✖ ✖ ✖ ❉ ✔ JDK-8340181 Shenandoah: Cleanup ShenandoahRuntime stubs
✖ ✖ ✖ ✖ ✖ ✖ ✖ ❉ ✔ JDK-8342081 Shenandoah: Remove extra ShenandoahMarkUpdateRefsSuperClosure
✖ ✖ ✖ ✖ ✖ ✖ ✖ ❉ ✔ JDK-8342079 Shenandoah: Remove extra ShenandoahInitMarkRootsClosure
✖ ✖ ✖ ✖ ✖ ✖ ✖ ❉ ✔ JDK-8342119 Shenandoah: Remove extra ShenandoahUpdateRefsClosure
✖ ✖ ✖ ✖ ✖ ✖ ✖ ✖ ❉ JDK-8350314 Shenandoah: Capture thread state sync times in GC timings
✖ ✖ ✖ ✖ ✖ ✖ ❉ ✖ ✔ JDK-8314329 AgeTable: add is_clear() & allocation spec, and relax assert to allow use of 0-index slot
✖ ❉ ✖ ✖ ✔ ✖ ✖ ✖ ✔ JDK-8273559 Shenandoah: Shenandoah should support multi-threaded heap dump
✖ ✖ ✖ ✖ ✔ ✖ ✔ ❉ ✔ JDK-8333088 ubsan: shenandoahAdaptiveHeuristics.cpp:245:44: runtime error: division by zero
✖ ✖ ✖ ✖ ✔ ❉ ✖ ✖ ✔ JDK-8314935 Shenandoah: Unable to throw OOME on back-to-back Full GCs
✖ ✖ ✖ ✖ ✔ ❉ ✖ ✖ ✔ JDK-8317535 Shenandoah: Remove unused code
✖ ✖ ✖ ✖ ✔ ❉ ✖ ✖ ✔ JDK-8320877 Shenandoah: Remove ShenandoahUnloadClassesFrequency support
✖ ✖ ✖ ✖ ✔ ❉ ✖ ✖ ✔ JDK-8320888 Shenandoah: Enable ShenandoahVerifyOptoBarriers in debug builds
✖ ✖ ✖ ✖ ✔ ❉ ✖ ✖ ✔ JDK-8320907 Shenandoah: Remove ShenandoahSelfFixing flag
✖ ✖ ✖ ✖ ✔ ❉ ✖ ✖ ✔ JDK-8321120 Shenandoah: Remove ShenandoahElasticTLAB flag
✖ ✖ ✖ ✖ ✔ ❉ ✖ ✖ ✔ JDK-8321122 Shenandoah: Remove ShenandoahLoopOptsAfterExpansion flag
✖ ✖ ✖ ✖ ✔ ❉ ✖ ✖ ✔ JDK-8321410 Shenandoah: Remove ShenandoahSuspendibleWorkers flag
✖ ✖ ✖ ✖ ✖ ✖ ❉ ✖ ✔ JDK-8325807 Shenandoah: Refactor full gc in preparation for generational mode changes
✖ ✖ ✖ ✖ ✖ ✖ ❉ ✖ ✔ JDK-8332256 Shenandoah: Do not visit heap threads during shutdown
✖ ✖ ✖ ✖ ✖ ✖ ❉ ✖ ✔ JDK-8332257 Shenandoah: Move evacuation methods to implementation file
✖ ✖ ✖ ✖ ✔ ✖ ❉ ✖ ✔ JDK-8331572 Allow using OopMapCache outside of STW GC phases
✖ ✖ ✖ ✖ ✔ ✖ ✔ ❉ ✔ JDK-8333728 ubsan: shenandoahFreeSet.cpp:1347:24: runtime error: division by zero
✖ ✖ ✖ ✖ ✖ ✖ ✖ ❉ ✔ JDK-8336944 Shenandoah: Should only relativize stack chunks for successful evacuations
✖ ✖ ✖ ✖ ✔ ✖ ✔ ❉ ✔ JDK-8336640 Shenandoah: Parallel worker use in parallel_heap_region_iterate
✖ ✖ ✖ ✖ ✖ ✖ ✖ ❉ ✔ JDK-8336685 Shenandoah: Remove experimental incremental update mode
✖ ✖ ✖ ✖ ✔ ✖ ✖ ❉ ✔ JDK-8338202 Shenandoah: Improve handshake closure labels
✖ ✖ ✖ ✖ ✖ ✖ ✖ ❉ ✔ JDK-8335865 Shenandoah: Improve THP pretouch after JDK-8315923
✖ ✖ ✖ ✖ ✔ ✖ ✖ ❉ ✔ JDK-8337981 ShenandoahHeap::is_in should check for alive regions
✖ ✖ ✖ ✖ ✖ ✖ ✖ ✖ ❉ JDK-8350905 Shenandoah: Releasing a WeakHandle's referent may extend its lifetime
✖ ✖ ✖ ✖ ✖ ✖ ✖ ✖ ❉ JDK-8354452 Shenandoah: Enforce range checks on parameters controlling heuristic sleep times
✖ ✖ ✖ ✖ ✖ ✖ ✖ ✖ ❉ JDK-8354541 Remove Shenandoah post barrier expand loop opts
✖ ✖ ✖ ✖ ✔ ✖ ✖ ✖ ✔ JDK-8258251 Move PtrQueue behaviors to PtrQueueSet subclasses

hotspot/jfr

Fix Versions Bug Synopsis
17 18 19 20 21 22 23 24 25
✖ ✖ ✖ ✖ ✔ ✖ ✖ ❉ ✔ JDK-8279016 JFR Leak Profiler is broken with Shenandoah

hotspot/other

Fix Versions Bug Synopsis
17 18 19 20 21 22 23 24 25
✔ ✖ ✖ ✖ ✔ ✖ ✖ ✖ ✔ JDK-8310075 Revert accidental change to jcheck configuration for shenandoah project

hotspot/runtime

Fix Versions Bug Synopsis
17 18 19 20 21 22 23 24 25
✔ ✖ ✖ ✖ ✔ ✖ ✖ ✖ ✔ JDK-8252096 Shenandoah: adjust SerialPageShiftCount for x86_32 and JFR

infrastructure/build

Fix Versions Bug Synopsis
17 18 19 20 21 22 23 24 25
✔ ✖ ✖ ✖ ✔ ✖ ✖ ✖ ✔ JDK-8321123 [Shenandoah/JDK21] Fix repo permissions