Loaded 1140 changesets from repos/jdk8u-jdk8u/jaxws Loaded 1491 changesets from repos/aarch64-port-jdk8u-shenandoah/jaxp Loaded 2984 changesets from repos/aarch64-port-jdk8u-shenandoah/langtools Loaded 1491 changesets from repos/shenandoah-jdk8/jaxp Loaded 1961 changesets from repos/aarch64-port-jdk8u-shenandoah/nashorn Loaded 1341 changesets from repos/shenandoah-jdk8/jaxws Loaded 2775 changesets from repos/jdk8u-jdk8u/langtools Loaded 1401 changesets from repos/shenandoah-jdk8/corba Loaded 1266 changesets from repos/jdk8u-jdk8u/jaxp Loaded 1699 changesets from repos/aarch64-port-jdk8u-shenandoah Loaded 1498 changesets from repos/jdk8u-jdk8u Loaded 1762 changesets from repos/jdk8u-jdk8u/nashorn Loaded 6547 changesets from repos/jdk8u-jdk8u/hotspot Loaded 11250 changesets from repos/jdk8u-jdk8u/jdk Loaded 11970 changesets from repos/aarch64-port-jdk8u-shenandoah/jdk Loaded 1401 changesets from repos/aarch64-port-jdk8u-shenandoah/corba Loaded 1341 changesets from repos/aarch64-port-jdk8u-shenandoah/jaxws Loaded 1194 changesets from repos/jdk8u-jdk8u/corba Loaded 1699 changesets from repos/shenandoah-jdk8 Loaded 2984 changesets from repos/shenandoah-jdk8/langtools Loaded 8933 changesets from repos/aarch64-port-jdk8u-shenandoah/hotspot Loaded 39428 changesets from repos/jdk-updates-jdk11u Loaded 40658 changesets from repos/shenandoah-jdk11 Loaded 1961 changesets from repos/shenandoah-jdk8/nashorn Loaded 8933 changesets from repos/shenandoah-jdk8/hotspot Loaded 11970 changesets from repos/shenandoah-jdk8/jdk HG DB has 171078 records. LABEL REPORT: gc-shenandoah ==================================================================================================== This report shows bugs with the given label, along with their backporting status. Report generated: Thu Oct 01 01:28:28 CEST 2020 Minimal actionable level to display: WAITING For actionable issues, search for these strings: "MISSING" "APPROVED" "WARNING" For lingering issues, search for these strings: "WAITING for patch to bake a little" JIRA Query: labels = gc-shenandoah AND (status in (Closed, Resolved)) AND (resolution not in ("Won't Fix", Duplicate, "Cannot Reproduce", "Not an Issue", Withdrawn, Other)) AND type != Backport Acquiring pages (550 total): ........... done Loading issues (550 total): ........... done Resolving issues (550 total): ........... done ---------------------------------------------------------------------------------------------------- JDK-8252366: Shenandoah: revert/cleanup changes in graphKit.cpp Original Bug: URL: https://bugs.openjdk.java.net/browse/JDK-8252366 Reporter: Aleksey Shipilev Assignee: Aleksey Shipilev Priority: P4 Components: hotspot/compiler Original Fix: 8-aarch64: JDK-8252366, N/A, N/A, N/A WARNING: Affected versions is not set. Backports and Forwardports: 15: Not affected 11: Not affected 8: Not affected Shenandoah Backports: 11: Not affected 8: Not affected AArch64 Backports: 8: https://hg.openjdk.java.net/aarch64-port/jdk8u-shenandoah/hotspot/rev/e0a34665279f ---------------------------------------------------------------------------------------------------- JDK-8231366: Shenandoah: Shenandoah String Dedup thread is not properly initialized Original Bug: URL: https://bugs.openjdk.java.net/browse/JDK-8231366 Reporter: Zhengyu Gu Assignee: Zhengyu Gu Priority: P3 Components: hotspot/gc Original Fix: 8-shenandoah: JDK-8231366, N/A, N/A, N/A WARNING: Affected versions is not set. Backports and Forwardports: 15: Not affected 11: Not affected 8: Not affected Shenandoah Backports: 11: Not affected 8: https://hg.openjdk.java.net/shenandoah/jdk8//hotspot/rev/9273f5dfd66a AArch64 Backports: 8: https://hg.openjdk.java.net/aarch64-port/jdk8u-shenandoah/hotspot/rev/9273f5dfd66a ---------------------------------------------------------------------------------------------------- JDK-8252096: Shenandoah: adjust SerialPageShiftCount for x86_32 and JFR Original Bug: URL: https://bugs.openjdk.java.net/browse/JDK-8252096 Reporter: Aleksey Shipilev Assignee: Aleksey Shipilev Priority: P4 Components: hotspot/runtime Original Fix: 8-aarch64: JDK-8252096, N/A, N/A, N/A WARNING: Affected versions is not set. Backports and Forwardports: 15: Not affected 11: Not affected 8: Not affected Shenandoah Backports: 11: Not affected 8: Not affected AArch64 Backports: 8: https://hg.openjdk.java.net/aarch64-port/jdk8u-shenandoah/hotspot/rev/04d10e4240b9 ---------------------------------------------------------------------------------------------------- JDK-8235324: Dying objects are published from users of CollectedHeap::object_iterate Original Bug: URL: https://bugs.openjdk.java.net/browse/JDK-8235324 Reporter: Stefan Karlsson Assignee: Stefan Karlsson Priority: P2 Components: hotspot/gc Original Fix: 14: JDK-8235324, https://hg.openjdk.java.net/jdk/jdk/rev/35d8d9b65744, stefank, 297 day(s) ago Backports and Forwardports: 15: Not affected 11: MISSING 8: MISSING Shenandoah Backports: 11: Not affected 8: Not affected ---------------------------------------------------------------------------------------------------- JDK-8252853: AArch64: gc/shenandoah/TestVerifyJCStress.java fails intermittently with C1 Original Bug: URL: https://bugs.openjdk.java.net/browse/JDK-8252853 Reporter: Nick Gasson Assignee: Nick Gasson Priority: P3 Components: hotspot/gc Original Fix: 16: JDK-8252853, https://git.openjdk.java.net/jdk/commit/4fb1980f, ngasson, 23 day(s) ago Backports and Forwardports: 15: MISSING 11: MISSING 8: Not affected Shenandoah Backports: 11: Not affected 8: MISSING ---------------------------------------------------------------------------------------------------- JDK-8249877: Shenandoah: Report number of dead weak oops during STW weak roots Original Bug: URL: https://bugs.openjdk.java.net/browse/JDK-8249877 Reporter: Roman Kennke Assignee: Roman Kennke Priority: P4 Components: hotspot/gc Original Fix: 16: JDK-8249877, https://hg.openjdk.java.net/jdk/jdk/rev/7f935ebf3a6e, rkennke, 71 day(s) ago Backports and Forwardports: 15: MISSING 11: MISSING 8: Not affected Shenandoah Backports: 11: Not affected 8: MISSING ---------------------------------------------------------------------------------------------------- JDK-8249884: Shenandoah: Call report_num_dead() from ShParallelWeakRootsCleaningTask destructor Original Bug: URL: https://bugs.openjdk.java.net/browse/JDK-8249884 Reporter: Roman Kennke Assignee: Roman Kennke Priority: P4 Components: hotspot/gc Original Fix: 16: JDK-8249884, https://hg.openjdk.java.net/jdk/jdk/rev/8995e9efdee7, rkennke, 71 day(s) ago Backports and Forwardports: 15: MISSING 11: MISSING 8: Not affected Shenandoah Backports: 11: Not affected 8: MISSING ---------------------------------------------------------------------------------------------------- JDK-8251527: CTW: C2 (Shenandoah) compilation fails with SEGV due to unhandled catchproj == NULL Original Bug: URL: https://bugs.openjdk.java.net/browse/JDK-8251527 Reporter: Aleksey Shipilev Assignee: Roland Westrelin Priority: P4 Components: hotspot/gc Original Fix: 16: JDK-8251527, https://hg.openjdk.java.net/jdk/jdk/rev/f42579f3cde4, roland, 41 day(s) ago Backports and Forwardports: 15: MISSING 11: MISSING 8: Not affected Shenandoah Backports: 11: Not affected 8: MISSING ---------------------------------------------------------------------------------------------------- JDK-8252695: Shenandoah: clean up Graal enabled/disabled filter in tests Original Bug: URL: https://bugs.openjdk.java.net/browse/JDK-8252695 Reporter: Aleksey Shipilev Assignee: Aleksey Shipilev Priority: P4 Components: hotspot/gc Original Fix: 16: JDK-8252695, https://git.openjdk.java.net/jdk/commit/91a20ca7, shade, 23 day(s) ago Backports and Forwardports: 15: MISSING 11: MISSING 8: Not affected Shenandoah Backports: 11: Not affected 8: MISSING ---------------------------------------------------------------------------------------------------- JDK-8249543: (bf) Force DirectBufferAllocTest to run with -ExplicitGCInvokesConcurrent Original Bug: URL: https://bugs.openjdk.java.net/browse/JDK-8249543 Reporter: Roman Kennke Assignee: Roman Kennke Priority: P4 Components: core-libs/java.nio Original Fix: 15: JDK-8249543, https://hg.openjdk.java.net/jdk/jdk15/rev/30e38fcb2b83, rkennke, 77 day(s) ago Backports and Forwardports: 11: MISSING 8: Not affected Shenandoah Backports: 11: Not affected 8: MISSING ---------------------------------------------------------------------------------------------------- JDK-8212611: Small collection of simple changes from shenandoah Original Bug: URL: https://bugs.openjdk.java.net/browse/JDK-8212611 Reporter: Roland Westrelin Assignee: Roland Westrelin Priority: P4 Components: hotspot/compiler Original Fix: 12: JDK-8212611, http://hg.openjdk.java.net/jdk/jdk/rev/4f2215a00ed1, roland, 709 day(s) ago Backports and Forwardports: 15: Not affected 11: MISSING 8: Not affected Shenandoah Backports: 11: Not affected 8: MISSING ---------------------------------------------------------------------------------------------------- JDK-8241070: Shenandoah: remove unused local variables in C2 support Original Bug: URL: https://bugs.openjdk.java.net/browse/JDK-8241070 Reporter: Aleksey Shipilev Assignee: Roland Westrelin Priority: P4 Components: hotspot/compiler Original Fix: 15: JDK-8241070, https://hg.openjdk.java.net/jdk/jdk/rev/5747b0588472, roland, 139 day(s) ago Backports and Forwardports: 11: MISSING 8: Not affected Shenandoah Backports: 11: Not affected 8: MISSING ---------------------------------------------------------------------------------------------------- JDK-8235669: G1: Stack walking API can expose AS_NO_KEEPALIVE oops Original Bug: URL: https://bugs.openjdk.java.net/browse/JDK-8235669 Reporter: Erik Österlund Assignee: Erik Österlund Priority: P2 Components: hotspot/gc Original Fix: 14: JDK-8235669, https://hg.openjdk.java.net/jdk/jdk14/rev/fd1fe6f7daab, eosterlund, 265 day(s) ago WARNING: Port to 15 was found. No relevant affected version is set, assuming one. Backports and Forwardports: 15: 15, JDK-8237025, https://hg.openjdk.java.net/jdk/jdk/rev/fd1fe6f7daab, 262 day(s) ago 11: MISSING 8: Not affected Shenandoah Backports: 11: Not affected 8: MISSING ---------------------------------------------------------------------------------------------------- JDK-8237369: Shenandoah: failed vmTestbase/nsk/jvmti/AttachOnDemand/attach021/TestDescription.java test Original Bug: URL: https://bugs.openjdk.java.net/browse/JDK-8237369 Reporter: Zhengyu Gu Assignee: Zhengyu Gu Priority: P2 Components: hotspot/gc Original Fix: 14: JDK-8237369, https://hg.openjdk.java.net/jdk/jdk14/rev/5bc878966264, zgu, 259 day(s) ago Backports and Forwardports: 15: 15, JDK-8237556, https://hg.openjdk.java.net/jdk/jdk/rev/5bc878966264, 255 day(s) ago 11: MISSING 8: Not affected Shenandoah Backports: 11: Not affected 8: MISSING ---------------------------------------------------------------------------------------------------- JDK-8247736: Shenandoah: assert(_nm->is_alive()) failed: only alive nmethods here Original Bug: URL: https://bugs.openjdk.java.net/browse/JDK-8247736 Reporter: Aleksey Shipilev Assignee: Zhengyu Gu Priority: P2 Components: hotspot/gc Original Fix: 16: JDK-8247736, https://hg.openjdk.java.net/jdk/jdk/rev/05558bb80462, zgu, 101 day(s) ago Backports and Forwardports: 15: 15.0.2, JDK-8251335, https://hg.openjdk.java.net/jdk-updates/jdk15u/rev/08c0f2676493, 52 day(s) ago 11: MISSING 8: Not affected Shenandoah Backports: 11: Not affected 8: MISSING ---------------------------------------------------------------------------------------------------- JDK-8248725: Shenandoah: Claim verifier thread roots for parallel processing Original Bug: URL: https://bugs.openjdk.java.net/browse/JDK-8248725 Reporter: Roman Kennke Assignee: Roman Kennke Priority: P2 Components: hotspot/gc Original Fix: 15: JDK-8248725, https://hg.openjdk.java.net/jdk/jdk15/rev/505a6165d85a, rkennke, 90 day(s) ago Backports and Forwardports: 11: MISSING 8: Not affected Shenandoah Backports: 11: Not affected 8: MISSING ---------------------------------------------------------------------------------------------------- JDK-8249230: Shenandoah: assertion failure with -XX:-ResizeTLAB Original Bug: URL: https://bugs.openjdk.java.net/browse/JDK-8249230 Reporter: Aleksey Shipilev Assignee: Aleksey Shipilev Priority: P2 Components: hotspot/gc Original Fix: 16: JDK-8249230, https://hg.openjdk.java.net/jdk/jdk/rev/bd2d67951061, shade, 80 day(s) ago Backports and Forwardports: 15: 15.0.2, JDK-8250949, https://hg.openjdk.java.net/jdk-updates/jdk15u/rev/ed7d01f978c8, 59 day(s) ago 11: MISSING 8: Not affected Shenandoah Backports: 11: Not affected 8: MISSING ---------------------------------------------------------------------------------------------------- JDK-8250588: Shenandoah: LRB needs to save/restore fp registers for runtime call Original Bug: URL: https://bugs.openjdk.java.net/browse/JDK-8250588 Reporter: Zhengyu Gu Assignee: Zhengyu Gu Priority: P2 Components: hotspot/gc Original Fix: 15: JDK-8250588, https://hg.openjdk.java.net/jdk/jdk15/rev/31a8f79a7dfe, zgu, 65 day(s) ago Backports and Forwardports: 11: MISSING 8: Not affected Shenandoah Backports: 11: Not affected 8: MISSING ---------------------------------------------------------------------------------------------------- JDK-8237392: Shenandoah: Remove unreliable assertion Original Bug: URL: https://bugs.openjdk.java.net/browse/JDK-8237392 Reporter: Zhengyu Gu Assignee: Zhengyu Gu Priority: P3 Components: hotspot/gc Original Fix: 14: JDK-8237392, https://hg.openjdk.java.net/jdk/jdk14/rev/5dae0969decc, zgu, 259 day(s) ago Backports and Forwardports: 15: 15, JDK-8237558, https://hg.openjdk.java.net/jdk/jdk/rev/5dae0969decc, 255 day(s) ago 11: MISSING 8: Not affected Shenandoah Backports: 11: Not affected 8: MISSING ---------------------------------------------------------------------------------------------------- JDK-8245240: Shenandoah: support nesting evacuation OOM scope Original Bug: URL: https://bugs.openjdk.java.net/browse/JDK-8245240 Reporter: Zhengyu Gu Assignee: Zhengyu Gu Priority: P3 Components: hotspot/gc Original Fix: 15: JDK-8245240, https://hg.openjdk.java.net/jdk/jdk/rev/8ef08563699c, zgu, 134 day(s) ago Backports and Forwardports: 11: MISSING 8: Not affected Shenandoah Backports: 11: Not affected 8: MISSING ---------------------------------------------------------------------------------------------------- JDK-8235598: Shenandoah: Update copyrights Original Bug: URL: https://bugs.openjdk.java.net/browse/JDK-8235598 Reporter: Roman Kennke Assignee: Roman Kennke Priority: P4 Components: hotspot/gc Original Fix: 14: JDK-8235598, https://hg.openjdk.java.net/jdk/jdk/rev/a88e99d92248, rkennke, 296 day(s) ago Backports and Forwardports: 15: Not affected 11: MISSING 8: Not affected Shenandoah Backports: 11: Not affected 8: MISSING ---------------------------------------------------------------------------------------------------- JDK-8241067: Shenandoah: improve ShenandoahNMethod::has_cset_oops arguments Original Bug: URL: https://bugs.openjdk.java.net/browse/JDK-8241067 Reporter: Aleksey Shipilev Assignee: Aditya Mandaleeka Priority: P4 Components: hotspot/gc Original Fix: 15: JDK-8241067, https://hg.openjdk.java.net/jdk/jdk/rev/cc739b0abc44, shade, 191 day(s) ago Backports and Forwardports: 11: MISSING 8: Not affected Shenandoah Backports: 11: Not affected 8: MISSING ---------------------------------------------------------------------------------------------------- JDK-8242370: Enable JFR TestGCPhaseConcurrent test for Shenandoah Original Bug: URL: https://bugs.openjdk.java.net/browse/JDK-8242370 Reporter: Zhengyu Gu Assignee: Zhengyu Gu Priority: P4 Components: hotspot/gc Original Fix: 15: JDK-8242370, https://hg.openjdk.java.net/jdk/jdk/rev/da01bbe1abc0, zgu, 176 day(s) ago Backports and Forwardports: 11: MISSING 8: Not affected Shenandoah Backports: 11: Not affected 8: MISSING ---------------------------------------------------------------------------------------------------- JDK-8243478: Shenandoah: avoid implicit worker_id = 0 Original Bug: URL: https://bugs.openjdk.java.net/browse/JDK-8243478 Reporter: Aleksey Shipilev Assignee: Zhengyu Gu Priority: P4 Components: hotspot/gc Original Fix: 15: JDK-8243478, https://hg.openjdk.java.net/jdk/jdk/rev/cfc5b66e39c8, zgu, 161 day(s) ago Backports and Forwardports: 11: MISSING 8: Not affected Shenandoah Backports: 11: Not affected 8: MISSING ---------------------------------------------------------------------------------------------------- JDK-8244243: Shenandoah: Cleanup Shenandoah phase timing tracking and JFR event supporting Original Bug: URL: https://bugs.openjdk.java.net/browse/JDK-8244243 Reporter: Zhengyu Gu Assignee: Zhengyu Gu Priority: P4 Components: hotspot/gc Original Fix: 15: JDK-8244243, https://hg.openjdk.java.net/jdk/jdk/rev/ca61965cfcf4, zgu, 147 day(s) ago Backports and Forwardports: 11: MISSING 8: Not affected Shenandoah Backports: 11: Not affected 8: MISSING ---------------------------------------------------------------------------------------------------- JDK-8245083: [REDO] Shenandoah: Remove null-handling in LRB expansion Original Bug: URL: https://bugs.openjdk.java.net/browse/JDK-8245083 Reporter: Roland Westrelin Assignee: Roland Westrelin Priority: P4 Components: hotspot/gc Original Fix: 15: JDK-8245083, https://hg.openjdk.java.net/jdk/jdk/rev/9f3244962bb3, roland, 139 day(s) ago Backports and Forwardports: 11: MISSING 8: Not affected Shenandoah Backports: 11: Not affected 8: MISSING ---------------------------------------------------------------------------------------------------- JDK-8245720: Shenandoah: improve configuration logging Original Bug: URL: https://bugs.openjdk.java.net/browse/JDK-8245720 Reporter: Aleksey Shipilev Assignee: Aleksey Shipilev Priority: P4 Components: hotspot/gc Original Fix: 15: JDK-8245720, https://hg.openjdk.java.net/jdk/jdk/rev/a1e00c5f3e37, shade, 128 day(s) ago Backports and Forwardports: 11: MISSING 8: Not affected Shenandoah Backports: 11: Not affected 8: MISSING ---------------------------------------------------------------------------------------------------- JDK-8245827: Shenandoah: Cleanup Shenandoah code root iterators and root scanner Original Bug: URL: https://bugs.openjdk.java.net/browse/JDK-8245827 Reporter: Zhengyu Gu Assignee: Zhengyu Gu Priority: P4 Components: hotspot/gc Original Fix: 15: JDK-8245827, https://hg.openjdk.java.net/jdk/jdk/rev/ab2f81ba4e03, zgu, 127 day(s) ago Backports and Forwardports: 11: MISSING 8: Not affected Shenandoah Backports: 11: Not affected 8: MISSING ---------------------------------------------------------------------------------------------------- JDK-8245955: Shenandoah: Remove LRB/is_redundant optimization Original Bug: URL: https://bugs.openjdk.java.net/browse/JDK-8245955 Reporter: Roman Kennke Assignee: Roman Kennke Priority: P4 Components: hotspot/gc Original Fix: 15: JDK-8245955, https://hg.openjdk.java.net/jdk/jdk/rev/906d56546867, rkennke, 126 day(s) ago Backports and Forwardports: 11: MISSING 8: Not affected Shenandoah Backports: 11: Not affected 8: MISSING ---------------------------------------------------------------------------------------------------- JDK-8246612: Shenandoah: add timing tracking to ShenandoahStringDedupRoots Original Bug: URL: https://bugs.openjdk.java.net/browse/JDK-8246612 Reporter: Zhengyu Gu Assignee: Zhengyu Gu Priority: P4 Components: hotspot/gc Original Fix: 15: JDK-8246612, https://hg.openjdk.java.net/jdk/jdk/rev/7de1c2fac4ca, zgu, 119 day(s) ago Backports and Forwardports: 11: MISSING 8: Not affected Shenandoah Backports: 11: Not affected 8: MISSING ---------------------------------------------------------------------------------------------------- JDK-8247845: Shenandoah: refactor TLAB/GCLAB retirement code Original Bug: URL: https://bugs.openjdk.java.net/browse/JDK-8247845 Reporter: Aleksey Shipilev Assignee: Aleksey Shipilev Priority: P4 Components: hotspot/gc Original Fix: 16: JDK-8247845, https://hg.openjdk.java.net/jdk/jdk/rev/f2bd7048496f, shade, 94 day(s) ago Backports and Forwardports: 15: 15.0.2, JDK-8250948, https://hg.openjdk.java.net/jdk-updates/jdk15u/rev/91011c8af519, 59 day(s) ago 11: MISSING 8: Not affected Shenandoah Backports: 11: Not affected 8: MISSING ---------------------------------------------------------------------------------------------------- JDK-8248632: Shenandoah: build fails without both JVMTI and JFR Original Bug: URL: https://bugs.openjdk.java.net/browse/JDK-8248632 Reporter: Aleksey Shipilev Assignee: Aleksey Shipilev Priority: P4 Components: hotspot/gc Original Fix: 16: JDK-8248632, https://hg.openjdk.java.net/jdk/jdk/rev/bf37cfcf5f73, shade, 91 day(s) ago Backports and Forwardports: 15: 15.0.2, JDK-8250945, https://hg.openjdk.java.net/jdk-updates/jdk15u/rev/099a1d55576f, 59 day(s) ago 11: MISSING 8: Not affected Shenandoah Backports: 11: Not affected 8: MISSING ---------------------------------------------------------------------------------------------------- JDK-8248634: Shenandoah: incorrect include in shenandoahInitLogger.cpp Original Bug: URL: https://bugs.openjdk.java.net/browse/JDK-8248634 Reporter: Aleksey Shipilev Assignee: Aleksey Shipilev Priority: P4 Components: hotspot/gc Original Fix: 16: JDK-8248634, https://hg.openjdk.java.net/jdk/jdk/rev/ad5c00d4807e, shade, 91 day(s) ago Backports and Forwardports: 15: 15.0.2, JDK-8250944, https://hg.openjdk.java.net/jdk-updates/jdk15u/rev/08352c8ce852, 59 day(s) ago 11: MISSING 8: Not affected Shenandoah Backports: 11: Not affected 8: MISSING ---------------------------------------------------------------------------------------------------- JDK-8248799: Shenandoah: Claim threads token in constructor of ShenandoahRootVerifier Original Bug: URL: https://bugs.openjdk.java.net/browse/JDK-8248799 Reporter: Roman Kennke Assignee: Roman Kennke Priority: P4 Components: hotspot/gc Original Fix: 15: JDK-8248799, https://hg.openjdk.java.net/jdk/jdk15/rev/990a9b5e30b7, rkennke, 90 day(s) ago Backports and Forwardports: 11: MISSING 8: Not affected Shenandoah Backports: 11: Not affected 8: MISSING ---------------------------------------------------------------------------------------------------- JDK-8232782: Shenandoah: streamline post-LRB CAS barrier (aarch64) Original Bug: URL: https://bugs.openjdk.java.net/browse/JDK-8232782 Reporter: Aleksey Shipilev Assignee: Kelvin Nilsen Priority: P4 Components: hotspot/gc Original Fix: 16: JDK-8232782, https://hg.openjdk.java.net/jdk/jdk/rev/a0f6d9504107, rkennke, 86 day(s) ago Backports and Forwardports: 15: Not affected 11: MISSING 8: Not affected Shenandoah Backports: 11: Not affected 8: MISSING ---------------------------------------------------------------------------------------------------- JDK-8249787: Make TestGCLocker more resilient with concurrent GCs Original Bug: URL: https://bugs.openjdk.java.net/browse/JDK-8249787 Reporter: Roman Kennke Assignee: Roman Kennke Priority: P4 Components: hotspot/gc Original Fix: 15: JDK-8249787, https://hg.openjdk.java.net/jdk/jdk15/rev/b324ae69f933, rkennke, 70 day(s) ago Backports and Forwardports: 11: MISSING 8: Not affected Shenandoah Backports: 11: Not affected 8: MISSING ---------------------------------------------------------------------------------------------------- JDK-8251359: Shenandoah: filter null oops before calling enqueue/SATB barrier Original Bug: URL: https://bugs.openjdk.java.net/browse/JDK-8251359 Reporter: Zhengyu Gu Assignee: Zhengyu Gu Priority: P4 Components: hotspot/gc Original Fix: 16: JDK-8251359, https://hg.openjdk.java.net/jdk/jdk/rev/99ce8ecc1e32, zgu, 51 day(s) ago Backports and Forwardports: 15: 15.0.2, JDK-8252134, https://hg.openjdk.java.net/jdk-updates/jdk15u/rev/59e215d40a1d, 41 day(s) ago 11: MISSING 8: Not affected Shenandoah Backports: 11: Not affected 8: MISSING ---------------------------------------------------------------------------------------------------- JDK-8253361: Shenandoah: runtime barrier does not honor ShenandoahSelfFixing flag Original Bug: URL: https://bugs.openjdk.java.net/browse/JDK-8253361 Reporter: Zhengyu Gu Assignee: Zhengyu Gu Priority: P4 Components: hotspot/gc Original Fix: 16: JDK-8253361, https://git.openjdk.java.net/jdk/commit/d35b1179, zgu, 13 day(s) ago Backports and Forwardports: 15: Not affected 11: MISSING 8: Not affected Shenandoah Backports: 11: Not affected 8: MISSING ---------------------------------------------------------------------------------------------------- JDK-8218734: SA: Incorrect and raw loads of OopHandles Original Bug: URL: https://bugs.openjdk.java.net/browse/JDK-8218734 Reporter: Stefan Karlsson Assignee: Stefan Karlsson Priority: P4 Components: hotspot/svc-agent Original Fix: 13: JDK-8218734, http://hg.openjdk.java.net/jdk/jdk/rev/935d31867930, stefank, 590 day(s) ago Backports and Forwardports: 15: Not affected 11: MISSING 8: Not affected Shenandoah Backports: 11: Not affected 8: MISSING ---------------------------------------------------------------------------------------------------- JDK-8252648: Shenandoah: name gang tasks consistently Original Bug: URL: https://bugs.openjdk.java.net/browse/JDK-8252648 Reporter: Aleksey Shipilev Assignee: Aleksey Shipilev Priority: P4 Components: hotspot/gc Original Fix: 16: JDK-8252648, https://hg.openjdk.java.net/jdk/jdk/rev/1a839c572dfd, shade, 30 day(s) ago Backports and Forwardports: 15: MISSING 11: MISSING 8: Not affected Shenandoah Backports: 11: Not affected 8: Not affected ---------------------------------------------------------------------------------------------------- JDK-8240751: Shenandoah: fold ShenandoahTracer definition Original Bug: URL: https://bugs.openjdk.java.net/browse/JDK-8240751 Reporter: Aleksey Shipilev Assignee: Aleksey Shipilev Priority: P4 Components: hotspot/gc Original Fix: 16: JDK-8240751, https://git.openjdk.java.net/jdk/commit/382b8fed, shade, 22 day(s) ago Backports and Forwardports: 15: MISSING 11: Not affected 8: Not affected Shenandoah Backports: 11: MISSING 8: MISSING ---------------------------------------------------------------------------------------------------- JDK-8220714: C2 Compilation failure when accessing off-heap memory using Unsafe Original Bug: URL: https://bugs.openjdk.java.net/browse/JDK-8220714 Reporter: Roman Kennke Assignee: Roman Kennke Priority: P3 Components: hotspot/compiler Original Fix: 13: JDK-8220714, http://hg.openjdk.java.net/jdk/jdk/rev/eed9f74eab87, rkennke, 560 day(s) ago Backports and Forwardports: 15: Not affected 11: 11.0.4, JDK-8221829, http://hg.openjdk.java.net/jdk-updates/jdk11u-dev/rev/4b1ebc747064, 548 day(s) ago 8: MISSING Shenandoah Backports: 11: https://hg.openjdk.java.net/shenandoah/jdk11//rev/4b1ebc747064 8: https://hg.openjdk.java.net/shenandoah/jdk8//hotspot/rev/eb25f2203b39 ---------------------------------------------------------------------------------------------------- JDK-8234508: VM_HeapWalkOperation::iterate_over_object reads non-strong fields with an on-strong load barrier Original Bug: URL: https://bugs.openjdk.java.net/browse/JDK-8234508 Reporter: Stefan Karlsson Assignee: Stefan Karlsson Priority: P2 Components: hotspot/gc Original Fix: 14: JDK-8234508, https://hg.openjdk.java.net/jdk/jdk/rev/2aaa8bcb90a9, stefank, 297 day(s) ago Backports and Forwardports: 15: Not affected 11: MISSING 8: Not affected Shenandoah Backports: 11: Not affected 8: Not affected ---------------------------------------------------------------------------------------------------- JDK-8226695: Shenandoah: Wire C1 and C2 IN_NATIVE barrier Original Bug: URL: https://bugs.openjdk.java.net/browse/JDK-8226695 Reporter: Zhengyu Gu Assignee: Roman Kennke Priority: P4 Components: hotspot/gc Original Fix: 14: JDK-8226695, https://hg.openjdk.java.net/jdk/jdk/rev/92ab031d6540, rkennke, 448 day(s) ago Backports and Forwardports: 15: Not affected 11: MISSING 8: Not affected Shenandoah Backports: 11: Not affected 8: Not affected ---------------------------------------------------------------------------------------------------- JDK-8246342: Shenandoah: remove unused ShenandoahIsMarkedNextClosure Original Bug: URL: https://bugs.openjdk.java.net/browse/JDK-8246342 Reporter: Zhengyu Gu Assignee: Zhengyu Gu Priority: P4 Components: hotspot/gc Original Fix: 15: JDK-8246342, https://hg.openjdk.java.net/jdk/jdk/rev/a2c20ab148ab, zgu, 121 day(s) ago Backports and Forwardports: 11: MISSING 8: Not affected Shenandoah Backports: 11: Not affected 8: Not affected ---------------------------------------------------------------------------------------------------- JDK-8253224: Shenandoah: ShenandoahStrDedupQueue destructor calls virtual num_queues() Original Bug: URL: https://bugs.openjdk.java.net/browse/JDK-8253224 Reporter: Aleksey Shipilev Assignee: Aleksey Shipilev Priority: P4 Components: hotspot/gc Original Fix: 16: JDK-8253224, https://git.openjdk.java.net/jdk/commit/c781594b, shade, 15 day(s) ago Backports and Forwardports: 15: MISSING 11: 11.0.10, JDK-8253709, https://hg.openjdk.java.net/jdk-updates/jdk11u-dev/rev/1fd534864cb0, 3 day(s) ago 8: Not affected Shenandoah Backports: 11: Not affected 8: MISSING ---------------------------------------------------------------------------------------------------- JDK-8253226: Shenandoah: remove unimplemented ShenandoahStrDedupQueue::verify Original Bug: URL: https://bugs.openjdk.java.net/browse/JDK-8253226 Reporter: Aleksey Shipilev Assignee: Aleksey Shipilev Priority: P4 Components: hotspot/gc Original Fix: 16: JDK-8253226, https://git.openjdk.java.net/jdk/commit/300b8517, shade, 15 day(s) ago Backports and Forwardports: 15: MISSING 11: 11.0.10, JDK-8253710, https://hg.openjdk.java.net/jdk-updates/jdk11u-dev/rev/952c12121bfd, 3 day(s) ago 8: Not affected Shenandoah Backports: 11: Not affected 8: MISSING ---------------------------------------------------------------------------------------------------- JDK-8238153: CTW: C2 (Shenandoah) compilation fails with "Unknown node in get_load_addr: CreateEx" Original Bug: URL: https://bugs.openjdk.java.net/browse/JDK-8238153 Reporter: Aleksey Shipilev Assignee: Aleksey Shipilev Priority: P4 Components: hotspot/compiler Original Fix: 15: JDK-8238153, https://hg.openjdk.java.net/jdk/jdk/rev/eec468f180dd, shade, 246 day(s) ago Backports and Forwardports: 11: Not affected 8: Not affected Shenandoah Backports: 11: https://hg.openjdk.java.net/shenandoah/jdk11//rev/44e3dcd3c8db 8: MISSING ---------------------------------------------------------------------------------------------------- JDK-8244721: CTW: C2 (Shenandoah) compilation fails with "unexpected infinite loop graph shape" Original Bug: URL: https://bugs.openjdk.java.net/browse/JDK-8244721 Reporter: Aleksey Shipilev Assignee: Roland Westrelin Priority: P4 Components: hotspot/compiler Original Fix: 15: JDK-8244721, https://hg.openjdk.java.net/jdk/jdk/rev/37ab496acb09, roland, 139 day(s) ago Backports and Forwardports: 11: Not affected 8: Not affected Shenandoah Backports: 11: https://hg.openjdk.java.net/shenandoah/jdk11//rev/c376af2b3e32 8: MISSING ---------------------------------------------------------------------------------------------------- JDK-8224875: Shenandoah: ParallelCleaning code unloading should take lock to protect shared code roots array Original Bug: URL: https://bugs.openjdk.java.net/browse/JDK-8224875 Reporter: Aleksey Shipilev Assignee: Zhengyu Gu Priority: P1 Components: hotspot/gc Original Fix: 13: JDK-8224875, http://hg.openjdk.java.net/jdk/jdk/rev/934d68e9c45d, zgu, 491 day(s) ago Backports and Forwardports: 15: Not affected 11: Not affected 8: Not affected Shenandoah Backports: 11: https://hg.openjdk.java.net/shenandoah/jdk11//rev/84a428aa2919 8: MISSING ---------------------------------------------------------------------------------------------------- JDK-8229176: Shenandoah should acquire CodeCache_lock without safepoint check Original Bug: URL: https://bugs.openjdk.java.net/browse/JDK-8229176 Reporter: Aleksey Shipilev Assignee: Aleksey Shipilev Priority: P1 Components: hotspot/gc Original Fix: 14: JDK-8229176, https://hg.openjdk.java.net/jdk/jdk/rev/758da77e4cd2, shade, 422 day(s) ago Backports and Forwardports: 15: Not affected 11: Not affected 8: Not affected Shenandoah Backports: 11: Not affected 8: MISSING ---------------------------------------------------------------------------------------------------- JDK-8229709: x86_32 build and test failures after JDK-8228369 (Shenandoah: Refactor LRB C1 stubs) Original Bug: URL: https://bugs.openjdk.java.net/browse/JDK-8229709 Reporter: Aleksey Shipilev Assignee: Aleksey Shipilev Priority: P1 Components: hotspot/gc Original Fix: 14: JDK-8229709, https://hg.openjdk.java.net/jdk/jdk/rev/9bddbd69351c, shade, 414 day(s) ago Backports and Forwardports: 15: Not affected 11: Not affected 8: Not affected Shenandoah Backports: 11: https://hg.openjdk.java.net/shenandoah/jdk11//rev/599a5aade8ce 8: MISSING ---------------------------------------------------------------------------------------------------- JDK-8237776: Shenandoah: Wrong result with Lucene test Original Bug: URL: https://bugs.openjdk.java.net/browse/JDK-8237776 Reporter: Roman Kennke Assignee: Roland Westrelin Priority: P1 Components: hotspot/gc Original Fix: 14: JDK-8237776, https://hg.openjdk.java.net/jdk/jdk14/rev/4a87bb7ebfd7, roland, 239 day(s) ago Backports and Forwardports: 15: 15, JDK-8238604, https://hg.openjdk.java.net/jdk/jdk/rev/4a87bb7ebfd7, 238 day(s) ago 11: Not affected 8: Not affected Shenandoah Backports: 11: https://hg.openjdk.java.net/shenandoah/jdk11//rev/591d74ae9c10 8: MISSING ---------------------------------------------------------------------------------------------------- JDK-8224573: Fix windows build after JDK-8221507 Original Bug: URL: https://bugs.openjdk.java.net/browse/JDK-8224573 Reporter: Christoph Langer Assignee: Leonid Mesnik Priority: P2 Components: hotspot/gc Original Fix: 13: JDK-8224573, http://hg.openjdk.java.net/jdk/jdk/rev/6b976a59ee87, clanger, 498 day(s) ago Backports and Forwardports: 15: Not affected 11: Not affected 8: Not affected Shenandoah Backports: 11: https://hg.openjdk.java.net/shenandoah/jdk11//rev/11dd9239891b 8: MISSING ---------------------------------------------------------------------------------------------------- JDK-8237837: Shenandoah: assert(mem == __null) failed: only one safepoint Original Bug: URL: https://bugs.openjdk.java.net/browse/JDK-8237837 Reporter: Aleksey Shipilev Assignee: Roland Westrelin Priority: P2 Components: hotspot/gc Original Fix: 15: JDK-8237837, https://hg.openjdk.java.net/jdk/jdk/rev/a42cdcd11ca4, roland, 234 day(s) ago Backports and Forwardports: 11: Not affected 8: Not affected Shenandoah Backports: 11: https://hg.openjdk.java.net/shenandoah/jdk11//rev/532123164bd6 8: MISSING ---------------------------------------------------------------------------------------------------- JDK-8238851: Shenandoah: C1: Resolve into registers of correct type Original Bug: URL: https://bugs.openjdk.java.net/browse/JDK-8238851 Reporter: Aleksey Shipilev Assignee: Roman Kennke Priority: P2 Components: hotspot/gc Original Fix: 15: JDK-8238851, https://hg.openjdk.java.net/jdk/jdk/rev/732ab9ad5958, rkennke, 232 day(s) ago Backports and Forwardports: 11: Not affected 8: Not affected Shenandoah Backports: 11: https://hg.openjdk.java.net/shenandoah/jdk11//rev/ce04d0dfc368 8: MISSING ---------------------------------------------------------------------------------------------------- JDK-8242216: ObjectSampler::weak_oops_do() should not trigger barrier Original Bug: URL: https://bugs.openjdk.java.net/browse/JDK-8242216 Reporter: Zhengyu Gu Assignee: Zhengyu Gu Priority: P2 Components: hotspot/gc Original Fix: 15: JDK-8242216, https://hg.openjdk.java.net/jdk/jdk/rev/e1f0f9e80d16, zgu, 177 day(s) ago Backports and Forwardports: 11: Not affected 8: Not affected Shenandoah Backports: 11: MISSING 8: Not affected ---------------------------------------------------------------------------------------------------- JDK-8244663: Shenandoah: C2 assertion fails in Matcher::collect_null_checks Original Bug: URL: https://bugs.openjdk.java.net/browse/JDK-8244663 Reporter: Zhengyu Gu Assignee: Roland Westrelin Priority: P2 Components: hotspot/gc Original Fix: 15: JDK-8244663, https://hg.openjdk.java.net/jdk/jdk/rev/1688221b62ab, roland, 139 day(s) ago Backports and Forwardports: 11: Not affected 8: Not affected Shenandoah Backports: 11: https://hg.openjdk.java.net/shenandoah/jdk11//rev/74999de52b8a 8: MISSING ---------------------------------------------------------------------------------------------------- JDK-8251451: Shenandoah: Remark ObjectSynchronizer roots with I-U Original Bug: URL: https://bugs.openjdk.java.net/browse/JDK-8251451 Reporter: Roman Kennke Assignee: Roman Kennke Priority: P2 Components: hotspot/gc Original Fix: 16: JDK-8251451, https://hg.openjdk.java.net/jdk/jdk/rev/299d4c38c8b5, rkennke, 50 day(s) ago Backports and Forwardports: 15: 15.0.2, JDK-8251900, https://hg.openjdk.java.net/jdk-updates/jdk15u/rev/0fe1b590631d, 45 day(s) ago 11: 11.0.9, JDK-8252419, https://hg.openjdk.java.net/jdk-updates/jdk11u-dev/rev/1dec81724993, 35 day(s) ago 8: Not affected Shenandoah Backports: 11: Not affected 8: MISSING ---------------------------------------------------------------------------------------------------- JDK-8230350: Shenandoah: Assertion failed when GC is cancelled by a worker thread Original Bug: URL: https://bugs.openjdk.java.net/browse/JDK-8230350 Reporter: Zhengyu Gu Assignee: Zhengyu Gu Priority: P3 Components: hotspot/gc Original Fix: 14: JDK-8230350, https://hg.openjdk.java.net/jdk/jdk/rev/9adf95692a3d, zgu, 380 day(s) ago Backports and Forwardports: 15: Not affected 11: Not affected 8: Not affected Shenandoah Backports: 11: https://hg.openjdk.java.net/shenandoah/jdk11//rev/db45a48ee996 8: MISSING ---------------------------------------------------------------------------------------------------- JDK-8233165: Shenandoah:SBSA::gen_load_reference_barrier_stub() should use pointer register for address on aarch64 Original Bug: URL: https://bugs.openjdk.java.net/browse/JDK-8233165 Reporter: Zhengyu Gu Assignee: Zhengyu Gu Priority: P3 Components: hotspot/gc Original Fix: 14: JDK-8233165, https://hg.openjdk.java.net/jdk/jdk/rev/75099fcf7962, zgu, 337 day(s) ago Backports and Forwardports: 15: Not affected 11: Not affected 8: Not affected Shenandoah Backports: 11: https://hg.openjdk.java.net/shenandoah/jdk11//rev/46da94895435 8: MISSING ---------------------------------------------------------------------------------------------------- JDK-8241765: Shenandoah: AARCH64 need to save/restore call clobbered registers before calling keepalive barrier Original Bug: URL: https://bugs.openjdk.java.net/browse/JDK-8241765 Reporter: Zhengyu Gu Assignee: Zhengyu Gu Priority: P3 Components: hotspot/gc Original Fix: 15: JDK-8241765, https://hg.openjdk.java.net/jdk/jdk/rev/c5d90e8d4a46, zgu, 187 day(s) ago Backports and Forwardports: 11: Not affected 8: Not affected Shenandoah Backports: 11: https://hg.openjdk.java.net/shenandoah/jdk11//rev/6b15a1250350 8: MISSING ---------------------------------------------------------------------------------------------------- JDK-8247824: CTW: C2 (Shenandoah) compilation fails with SEGV in SBC2Support::pin_and_expand Original Bug: URL: https://bugs.openjdk.java.net/browse/JDK-8247824 Reporter: Aleksey Shipilev Assignee: Roland Westrelin Priority: P3 Components: hotspot/gc Original Fix: 15: JDK-8247824, https://hg.openjdk.java.net/jdk/jdk15/rev/95946afeaad1, roland, 93 day(s) ago Backports and Forwardports: 11: 11.0.9, JDK-8252443, https://hg.openjdk.java.net/jdk-updates/jdk11u-dev/rev/f907e76c1164, 35 day(s) ago 8: Not affected Shenandoah Backports: 11: Not affected 8: MISSING ---------------------------------------------------------------------------------------------------- JDK-8221507: Implement JFR events for Shenandoah Original Bug: URL: https://bugs.openjdk.java.net/browse/JDK-8221507 Reporter: Ken Dobson Assignee: Ken Dobson Priority: P4 Components: hotspot/gc Original Fix: 13: JDK-8221507, http://hg.openjdk.java.net/jdk/jdk/rev/43340a79840d, shade, 499 day(s) ago Backports and Forwardports: 15: Not affected 11: Not affected 8: Not affected Shenandoah Backports: 11: https://hg.openjdk.java.net/shenandoah/jdk11//rev/0d620095e049 8: MISSING Release Notes: JDK-8226478: JFR events for Shenandoah This release implements two JFR events ShenandoahHeapRegionStateChange and ShenandoahHeapRegionInformation which provide internal GC diagnostic data that can be used to visualize the shenandoah heap regions. ---------------------------------------------------------------------------------------------------- JDK-8224978: Shenandoah: Allows root verifier to verify some roots outside safepoints with proper locks Original Bug: URL: https://bugs.openjdk.java.net/browse/JDK-8224978 Reporter: Zhengyu Gu Assignee: Zhengyu Gu Priority: P4 Components: hotspot/gc Original Fix: 13: JDK-8224978, http://hg.openjdk.java.net/jdk/jdk/rev/04ff1e00635a, zgu, 490 day(s) ago Backports and Forwardports: 15: Not affected 11: Not affected 8: Not affected Shenandoah Backports: 11: https://hg.openjdk.java.net/shenandoah/jdk11//rev/9b167d7c68af 8: MISSING ---------------------------------------------------------------------------------------------------- JDK-8227866: Shenandoah: Split weak root processing and class unloading in parallel cleaning task Original Bug: URL: https://bugs.openjdk.java.net/browse/JDK-8227866 Reporter: Zhengyu Gu Assignee: Zhengyu Gu Priority: P4 Components: hotspot/gc Original Fix: 14: JDK-8227866, https://hg.openjdk.java.net/jdk/jdk/rev/bf8128faace1, zgu, 437 day(s) ago Backports and Forwardports: 15: Not affected 11: Not affected 8: Not affected Shenandoah Backports: 11: https://hg.openjdk.java.net/shenandoah/jdk11//rev/58f27b80b42a 8: MISSING ---------------------------------------------------------------------------------------------------- JDK-8228369: Shenandoah: Refactor LRB C1 stubs Original Bug: URL: https://bugs.openjdk.java.net/browse/JDK-8228369 Reporter: Roman Kennke Assignee: Roman Kennke Priority: P4 Components: hotspot/gc Original Fix: 14: JDK-8228369, https://hg.openjdk.java.net/jdk/jdk/rev/bfcdcd00e4fb, rkennke, 416 day(s) ago Backports and Forwardports: 15: Not affected 11: Not affected 8: Not affected Shenandoah Backports: 11: https://hg.openjdk.java.net/shenandoah/jdk11//rev/20fd74153e61 8: MISSING ---------------------------------------------------------------------------------------------------- JDK-8231087: Shenandoah: Self-fixing load reference barriers for C1/C2 Original Bug: URL: https://bugs.openjdk.java.net/browse/JDK-8231087 Reporter: Roman Kennke Assignee: Roman Kennke Priority: P4 Components: hotspot/gc Original Fix: 14: JDK-8231087, https://hg.openjdk.java.net/jdk/jdk/rev/bc0648405d67, rkennke, 379 day(s) ago Backports and Forwardports: 15: Not affected 11: Not affected 8: Not affected Shenandoah Backports: 11: https://hg.openjdk.java.net/shenandoah/jdk11//rev/b16b63a399f3 8: MISSING Release Notes: JDK-8237013: Shenandoah self-fixing barriers Before this improvement, Shenandoah LRB barrier performance penalty for accessing forwarded objects involved resolving through the forwarding pointer, until the Update References phase fixed the affected references. A more efficient implementation ships now, where LRB self-fixes the forwarded reference on the same code path, eliminating continuous resolves for potentially hot accesses. Self-fixing is implemented for C1 and C2 (JDK-8231087), interpreter (JDK-8232992) and runtime (JDK-8232010) barriers. ---------------------------------------------------------------------------------------------------- JDK-8232747: Shenandoah: Concurrent GC should deactivate SATB before processing weak roots Original Bug: URL: https://bugs.openjdk.java.net/browse/JDK-8232747 Reporter: Zhengyu Gu Assignee: Zhengyu Gu Priority: P4 Components: hotspot/gc Original Fix: 14: JDK-8232747, https://hg.openjdk.java.net/jdk/jdk/rev/ef2b75750838, zgu, 345 day(s) ago Backports and Forwardports: 15: Not affected 11: Not affected 8: Not affected Shenandoah Backports: 11: https://hg.openjdk.java.net/shenandoah/jdk11//rev/58e0ebe33a02 8: MISSING ---------------------------------------------------------------------------------------------------- JDK-8233021: Shenandoah: SBSC2::is_shenandoah_lrb_call should match all LRB shapes Original Bug: URL: https://bugs.openjdk.java.net/browse/JDK-8233021 Reporter: Aleksey Shipilev Assignee: Aleksey Shipilev Priority: P4 Components: hotspot/gc Original Fix: 14: JDK-8233021, https://hg.openjdk.java.net/jdk/jdk/rev/808bbdb79916, shade, 342 day(s) ago Backports and Forwardports: 15: Not affected 11: Not affected 8: Not affected Shenandoah Backports: 11: https://hg.openjdk.java.net/shenandoah/jdk11//rev/3f256a1dfee1 8: MISSING ---------------------------------------------------------------------------------------------------- JDK-8232992: Shenandoah: Implement self-fixing interpreter LRB Original Bug: URL: https://bugs.openjdk.java.net/browse/JDK-8232992 Reporter: Zhengyu Gu Assignee: Zhengyu Gu Priority: P4 Components: hotspot/gc Original Fix: 14: JDK-8232992, https://hg.openjdk.java.net/jdk/jdk/rev/ef8be51fff48, zgu, 339 day(s) ago Backports and Forwardports: 15: Not affected 11: Not affected 8: Not affected Shenandoah Backports: 11: https://hg.openjdk.java.net/shenandoah/jdk11//rev/714798cb4b9a 8: MISSING ---------------------------------------------------------------------------------------------------- JDK-8233574: Shenandoah: build is broken without jfr Original Bug: URL: https://bugs.openjdk.java.net/browse/JDK-8233574 Reporter: Jie Fu Assignee: Jie Fu Priority: P4 Components: hotspot/gc Original Fix: 14: JDK-8233574, https://hg.openjdk.java.net/jdk/jdk/rev/03f182a0f62c, shade, 331 day(s) ago Backports and Forwardports: 15: Not affected 11: Not affected 8: Not affected Shenandoah Backports: 11: https://hg.openjdk.java.net/shenandoah/jdk11//rev/d0949066979e 8: MISSING ---------------------------------------------------------------------------------------------------- JDK-8233401: Shenandoah: Refactor/cleanup Shenandoah load barrier code Original Bug: URL: https://bugs.openjdk.java.net/browse/JDK-8233401 Reporter: Zhengyu Gu Assignee: Zhengyu Gu Priority: P4 Components: hotspot/gc Original Fix: 14: JDK-8233401, https://hg.openjdk.java.net/jdk/jdk/rev/83810b7d12e7, zgu, 330 day(s) ago Backports and Forwardports: 15: Not affected 11: Not affected 8: Not affected Shenandoah Backports: 11: https://hg.openjdk.java.net/shenandoah/jdk11//rev/10cfeb1dd808 8: MISSING ---------------------------------------------------------------------------------------------------- JDK-8233337: Shenandoah: Cleanup AArch64 SBSA::load_reference_barrier_not_null() Original Bug: URL: https://bugs.openjdk.java.net/browse/JDK-8233337 Reporter: Zhengyu Gu Assignee: Zhengyu Gu Priority: P4 Components: hotspot/gc Original Fix: 14: JDK-8233337, https://hg.openjdk.java.net/jdk/jdk/rev/66b1db608c12, zgu, 328 day(s) ago Backports and Forwardports: 15: Not affected 11: Not affected 8: Not affected Shenandoah Backports: 11: Not affected 8: MISSING ---------------------------------------------------------------------------------------------------- JDK-8233339: Shenandoah: Centralize load barrier decisions into ShenandoahBarrierSet Original Bug: URL: https://bugs.openjdk.java.net/browse/JDK-8233339 Reporter: Zhengyu Gu Assignee: Zhengyu Gu Priority: P4 Components: hotspot/gc Original Fix: 14: JDK-8233339, https://hg.openjdk.java.net/jdk/jdk/rev/5606867a5e6e, zgu, 328 day(s) ago Backports and Forwardports: 15: Not affected 11: Not affected 8: Not affected Shenandoah Backports: 11: https://hg.openjdk.java.net/shenandoah/jdk11//rev/23a302a0ae60 8: MISSING ---------------------------------------------------------------------------------------------------- JDK-8237182: Update copyright header for shenandoah and epsilon files Original Bug: URL: https://bugs.openjdk.java.net/browse/JDK-8237182 Reporter: Mikael Vidstedt Assignee: Mikael Vidstedt Priority: P4 Components: hotspot/gc Original Fix: 15: JDK-8237182, https://hg.openjdk.java.net/jdk/jdk/rev/14c78683c9f0, mikael, 260 day(s) ago Backports and Forwardports: 11: 11.0.9, JDK-8250771, https://hg.openjdk.java.net/jdk-updates/jdk11u-dev/rev/958423127de9, 64 day(s) ago 8: Not affected Shenandoah Backports: 11: Not affected 8: MISSING ---------------------------------------------------------------------------------------------------- JDK-8237543: Shenandoah: More asserts around code roots Original Bug: URL: https://bugs.openjdk.java.net/browse/JDK-8237543 Reporter: Roman Kennke Assignee: Roman Kennke Priority: P4 Components: hotspot/gc Original Fix: 15: JDK-8237543, https://hg.openjdk.java.net/jdk/jdk/rev/5e65bea99d1f, rkennke, 255 day(s) ago Backports and Forwardports: 11: Not affected 8: Not affected Shenandoah Backports: 11: https://hg.openjdk.java.net/shenandoah/jdk11//rev/3f09915ecda9 8: MISSING ---------------------------------------------------------------------------------------------------- JDK-8238574: Shenandoah: Assertion failure due to missing null check Original Bug: URL: https://bugs.openjdk.java.net/browse/JDK-8238574 Reporter: Zhengyu Gu Assignee: Zhengyu Gu Priority: P4 Components: hotspot/gc Original Fix: 15: JDK-8238574, https://hg.openjdk.java.net/jdk/jdk/rev/8d8916159b62, zgu, 238 day(s) ago Backports and Forwardports: 11: Not affected 8: Not affected Shenandoah Backports: 11: https://hg.openjdk.java.net/shenandoah/jdk11//rev/9b4cd3e98903 8: MISSING ---------------------------------------------------------------------------------------------------- JDK-8240315: Shenandoah: Rename ShLBN::get_barrier_strength() Original Bug: URL: https://bugs.openjdk.java.net/browse/JDK-8240315 Reporter: Roman Kennke Assignee: Roman Kennke Priority: P4 Components: hotspot/gc Original Fix: 15: JDK-8240315, https://hg.openjdk.java.net/jdk/jdk/rev/22e4f0169cab, rkennke, 209 day(s) ago Backports and Forwardports: 11: Not affected 8: Not affected Shenandoah Backports: 11: https://hg.openjdk.java.net/shenandoah/jdk11//rev/10ada2bd6441 8: MISSING ---------------------------------------------------------------------------------------------------- JDK-8241984: Shenandoah: enhance GCTimer and JFR support Original Bug: URL: https://bugs.openjdk.java.net/browse/JDK-8241984 Reporter: Aleksey Shipilev Assignee: Zhengyu Gu Priority: P4 Components: hotspot/gc Original Fix: 15: JDK-8241984, https://hg.openjdk.java.net/jdk/jdk/rev/13e20575efe1, zgu, 176 day(s) ago Backports and Forwardports: 11: Not affected 8: Not affected Shenandoah Backports: 11: https://hg.openjdk.java.net/shenandoah/jdk11//rev/4700496b82c4 8: MISSING ---------------------------------------------------------------------------------------------------- JDK-8242625: Shenandoah: restore heap logging for Degenerated/Full cycles Original Bug: URL: https://bugs.openjdk.java.net/browse/JDK-8242625 Reporter: Aleksey Shipilev Assignee: Aleksey Shipilev Priority: P4 Components: hotspot/gc Original Fix: 15: JDK-8242625, https://hg.openjdk.java.net/jdk/jdk/rev/f9bd8ef1ae99, shade, 170 day(s) ago Backports and Forwardports: 11: Not affected 8: Not affected Shenandoah Backports: 11: https://hg.openjdk.java.net/shenandoah/jdk11//rev/45f49568ab2a 8: MISSING ---------------------------------------------------------------------------------------------------- JDK-8242638: Shenandoah: restore heap logging for uncommit Original Bug: URL: https://bugs.openjdk.java.net/browse/JDK-8242638 Reporter: Aleksey Shipilev Assignee: Aleksey Shipilev Priority: P4 Components: hotspot/gc Original Fix: 15: JDK-8242638, https://hg.openjdk.java.net/jdk/jdk/rev/52ce7215a38d, shade, 170 day(s) ago Backports and Forwardports: 11: Not affected 8: Not affected Shenandoah Backports: 11: https://hg.openjdk.java.net/shenandoah/jdk11//rev/14814aea097f 8: MISSING ---------------------------------------------------------------------------------------------------- JDK-8243291: Shenandoah: no need to retire TLABs at Init Update Refs Original Bug: URL: https://bugs.openjdk.java.net/browse/JDK-8243291 Reporter: Aleksey Shipilev Assignee: Aleksey Shipilev Priority: P4 Components: hotspot/gc Original Fix: 15: JDK-8243291, https://hg.openjdk.java.net/jdk/jdk/rev/5fab4c43545b, shade, 162 day(s) ago Backports and Forwardports: 11: Not affected 8: Not affected Shenandoah Backports: 11: https://hg.openjdk.java.net/shenandoah/jdk11//rev/36e7bfeebf7d 8: MISSING ---------------------------------------------------------------------------------------------------- JDK-8243460: Shenandoah: purge init_update_refs_prepare counter Original Bug: URL: https://bugs.openjdk.java.net/browse/JDK-8243460 Reporter: Aleksey Shipilev Assignee: Aleksey Shipilev Priority: P4 Components: hotspot/gc Original Fix: 15: JDK-8243460, https://hg.openjdk.java.net/jdk/jdk/rev/288798de1e73, shade, 161 day(s) ago Backports and Forwardports: 11: Not affected 8: Not affected Shenandoah Backports: 11: https://hg.openjdk.java.net/shenandoah/jdk11//rev/2675e45a580c 8: MISSING ---------------------------------------------------------------------------------------------------- JDK-8243578: Shenandoah: Cleanup ShenandoahStringDedup::parallel_oops_do() Original Bug: URL: https://bugs.openjdk.java.net/browse/JDK-8243578 Reporter: Zhengyu Gu Assignee: Zhengyu Gu Priority: P4 Components: hotspot/gc Original Fix: 15: JDK-8243578, https://hg.openjdk.java.net/jdk/jdk/rev/e08d48541ea9, zgu, 160 day(s) ago Backports and Forwardports: 11: Not affected 8: Not affected Shenandoah Backports: 11: https://hg.openjdk.java.net/shenandoah/jdk11//rev/5e642d205807 8: MISSING ---------------------------------------------------------------------------------------------------- JDK-8244510: Shenandoah: invert SHC2Support::is_in_cset condition Original Bug: URL: https://bugs.openjdk.java.net/browse/JDK-8244510 Reporter: Aleksey Shipilev Assignee: Aleksey Shipilev Priority: P4 Components: hotspot/gc Original Fix: 15: JDK-8244510, https://hg.openjdk.java.net/jdk/jdk/rev/6b0fed2fd535, shade, 147 day(s) ago Backports and Forwardports: 11: Not affected 8: Not affected Shenandoah Backports: 11: https://hg.openjdk.java.net/shenandoah/jdk11//rev/91d912b8053f 8: MISSING ---------------------------------------------------------------------------------------------------- JDK-8244729: Shenandoah: remove resolve paths from SBSA::generate_shenandoah_lrb Original Bug: URL: https://bugs.openjdk.java.net/browse/JDK-8244729 Reporter: Aleksey Shipilev Assignee: Aleksey Shipilev Priority: P4 Components: hotspot/gc Original Fix: 15: JDK-8244729, https://hg.openjdk.java.net/jdk/jdk/rev/b0b93374fde6, shade, 129 day(s) ago Backports and Forwardports: 11: 11.0.9, JDK-8252422, https://hg.openjdk.java.net/jdk-updates/jdk11u-dev/rev/29196ae99fe5, 35 day(s) ago 8: Not affected Shenandoah Backports: 11: Not affected 8: MISSING ---------------------------------------------------------------------------------------------------- JDK-8245880: Shenandoah: check class unloading flag early in concurrent code root scan Original Bug: URL: https://bugs.openjdk.java.net/browse/JDK-8245880 Reporter: Zhengyu Gu Assignee: Zhengyu Gu Priority: P4 Components: hotspot/gc Original Fix: 15: JDK-8245880, https://hg.openjdk.java.net/jdk/jdk/rev/3a8634555a01, zgu, 125 day(s) ago Backports and Forwardports: 11: 11.0.9, JDK-8252420, https://hg.openjdk.java.net/jdk-updates/jdk11u-dev/rev/572de1cd7018, 35 day(s) ago 8: Not affected Shenandoah Backports: 11: Not affected 8: MISSING ---------------------------------------------------------------------------------------------------- JDK-8246097: Shenandoah: limit parallelism in CLDG root handling Original Bug: URL: https://bugs.openjdk.java.net/browse/JDK-8246097 Reporter: Aleksey Shipilev Assignee: Aleksey Shipilev Priority: P4 Components: hotspot/gc Original Fix: 15: JDK-8246097, https://hg.openjdk.java.net/jdk/jdk/rev/c60f06714a9e, shade, 121 day(s) ago Backports and Forwardports: 11: Not affected 8: Not affected Shenandoah Backports: 11: https://hg.openjdk.java.net/shenandoah/jdk11//rev/a16082712efa 8: MISSING ---------------------------------------------------------------------------------------------------- JDK-8246100: Shenandoah: walk roots in more efficient order Original Bug: URL: https://bugs.openjdk.java.net/browse/JDK-8246100 Reporter: Aleksey Shipilev Assignee: Aleksey Shipilev Priority: P4 Components: hotspot/gc Original Fix: 15: JDK-8246100, https://hg.openjdk.java.net/jdk/jdk/rev/4959fc05ddcd, shade, 121 day(s) ago Backports and Forwardports: 11: Not affected 8: Not affected Shenandoah Backports: 11: https://hg.openjdk.java.net/shenandoah/jdk11//rev/f8be31b13a66 8: MISSING ---------------------------------------------------------------------------------------------------- JDK-8246433: Shenandoah: walk roots in more efficient order in ShenandoahRootUpdater Original Bug: URL: https://bugs.openjdk.java.net/browse/JDK-8246433 Reporter: Aleksey Shipilev Assignee: Aleksey Shipilev Priority: P4 Components: hotspot/gc Original Fix: 15: JDK-8246433, https://hg.openjdk.java.net/jdk/jdk/rev/72ce8547d663, shade, 120 day(s) ago Backports and Forwardports: 11: Not affected 8: Not affected Shenandoah Backports: 11: Not affected 8: MISSING ---------------------------------------------------------------------------------------------------- JDK-8241065: Shenandoah: remove leftover code after JDK-8231086 Original Bug: URL: https://bugs.openjdk.java.net/browse/JDK-8241065 Reporter: Aleksey Shipilev Assignee: Roman Kennke Priority: P4 Components: hotspot/gc Original Fix: 16: JDK-8241065, https://hg.openjdk.java.net/jdk/jdk/rev/0246e1be4d35, rkennke, 48 day(s) ago Backports and Forwardports: 15: 15.0.2, JDK-8251899, https://hg.openjdk.java.net/jdk-updates/jdk15u/rev/2360af5e0ccc, 45 day(s) ago 11: 11.0.9, JDK-8252418, https://hg.openjdk.java.net/jdk-updates/jdk11u-dev/rev/d6566d51bf24, 35 day(s) ago 8: Not affected Shenandoah Backports: 11: Not affected 8: MISSING ---------------------------------------------------------------------------------------------------- JDK-8252660: Shenandoah: support manageable SoftMaxHeapSize option Original Bug: URL: https://bugs.openjdk.java.net/browse/JDK-8252660 Reporter: Aleksey Shipilev Assignee: Aleksey Shipilev Priority: P4 Components: hotspot/gc Original Fix: 16: JDK-8252660, https://hg.openjdk.java.net/jdk/jdk/rev/6ab9279c0e99, shade, 29 day(s) ago Backports and Forwardports: 15: 15.0.2, JDK-8252891, https://hg.openjdk.java.net/jdk-updates/jdk15u/rev/e015585e2b68, 23 day(s) ago 11: 11.0.10, JDK-8253463, https://hg.openjdk.java.net/jdk-updates/jdk11u-dev/rev/95159ec04ac7, 9 day(s) ago 8: Not affected Shenandoah Backports: 11: Not affected 8: MISSING ---------------------------------------------------------------------------------------------------- JDK-8224529: [TESTBUG] JFR TestShenandoahHeapRegion* tests fail on build w/o Shenandoah Original Bug: URL: https://bugs.openjdk.java.net/browse/JDK-8224529 Reporter: Mikhailo Seledtsov Assignee: Mikhailo Seledtsov Priority: P3 Components: hotspot/jfr Original Fix: 13: JDK-8224529, http://hg.openjdk.java.net/jdk/jdk/rev/4cc9109caffd, mseledtsov, 498 day(s) ago Backports and Forwardports: 15: Not affected 11: Not affected 8: Not affected Shenandoah Backports: 11: https://hg.openjdk.java.net/shenandoah/jdk11//rev/cf893d85273b 8: MISSING ---------------------------------------------------------------------------------------------------- JDK-8245721: Refactor the TaskTerminator Original Bug: URL: https://bugs.openjdk.java.net/browse/JDK-8245721 Reporter: Thomas Schatzl Assignee: Thomas Schatzl Priority: P4 Components: hotspot/gc Original Fix: 16: JDK-8245721, https://hg.openjdk.java.net/jdk/jdk/rev/9283c1deb4e0, tschatzl, 45 day(s) ago Backports and Forwardports: 15: MISSING 11: Not affected 8: Not affected Shenandoah Backports: 11: Not affected 8: Not affected ---------------------------------------------------------------------------------------------------- JDK-8253222: Shenandoah: unused AlwaysTrueClosure after JDK-8246591 Original Bug: URL: https://bugs.openjdk.java.net/browse/JDK-8253222 Reporter: Aleksey Shipilev Assignee: Aleksey Shipilev Priority: P4 Components: hotspot/gc Original Fix: 16: JDK-8253222, https://git.openjdk.java.net/jdk/commit/dd435331, shade, 15 day(s) ago Backports and Forwardports: 15: MISSING 11: Not affected 8: Not affected Shenandoah Backports: 11: Not affected 8: Not affected ---------------------------------------------------------------------------------------------------- JDK-8252857: AArch64: Shenandoah C1 CAS is not sequentially consistent Original Bug: URL: https://bugs.openjdk.java.net/browse/JDK-8252857 Reporter: Nick Gasson Assignee: Nick Gasson Priority: P4 Components: hotspot/gc Original Fix: 16: JDK-8252857, https://git.openjdk.java.net/jdk/commit/8e87d46f, ngasson, 3 day(s) ago Backports and Forwardports: 15: WAITING for patch to bake a little: 7 days more 11: WAITING for patch to bake a little: 7 days more 8: Not affected Shenandoah Backports: 11: Not affected 8: WAITING for patch to bake a little: 7 days more ---------------------------------------------------------------------------------------------------- JDK-8253778: ShenandoahSafepoint::is_at_shenandoah_safepoint should not access VMThread state from other threads Original Bug: URL: https://bugs.openjdk.java.net/browse/JDK-8253778 Reporter: Jie Fu Assignee: Aleksey Shipilev Priority: P2 Components: hotspot/runtime Original Fix: 16: JDK-8253778, https://git.openjdk.java.net/jdk/commit/8331e63f, shade, 1 day(s) ago Backports and Forwardports: 15: WAITING for patch to bake a little: 9 days more 11: WAITING for patch to bake a little: 9 days more 8: Not affected Shenandoah Backports: 11: Not affected 8: WAITING for patch to bake a little: 9 days more ---------------------------------------------------------------------------------------------------- 98 issues shown.