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ARM弱内存一致性环境下，并发锁内部持有者更新异常，导致GC HANGE住的问题 #647

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wuqian0808 opened this issue Jun 14, 2024 · 5 comments
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ARM弱内存一致性环境下，并发锁内部持有者更新异常，导致GC HANGE住的问题 #647

wuqian0808 opened this issue Jun 14, 2024 · 5 comments

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@wuqian0808
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相关OPENJDK BUG: https://bugs.openjdk.org/browse/JDK-8323913
相关修改之一 openjdk/jdk9@7e084fd
该问题OPENJDK9 及 毕昇JDK8已经修复
希望龙井JDK也尽快修复
谢谢！
@lingjun-cg
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好的,我们这边会尽快修复。

lingjun-cg added a commit to lingjun-cg/dragonwell8 that referenced this issue Jun 17, 2024
@lingjun-cg
[Backport] 8166197: assert(RelaxAssert || w != Thread::current()->_Mu…
1f5ff6d 
…texEvent) failed: invariant

Summary: Add load-acquire and store-release on share variable _OnDeck to ensure Mutex work on AArch64.

Testing: No testcase becuase the frequency is occasionally when run G1 gc with high cpu usage.

Reviewers: kuaiwei, yuleil

Issue: dragonwell-project#647
@lingjun-cg lingjun-cg mentioned this issue Jun 17, 2024
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lingjun-cg added a commit that referenced this issue Jun 21, 2024
@lingjun-cg
[Backport] 8166197: assert(RelaxAssert || w != Thread::current()->_Mu…
cf827ca 
…texEvent) failed: invariant (#648)

Summary: Add load-acquire and store-release on share variable _OnDeck to ensure Mutex work on AArch64.

Testing: No testcase becuase the frequency is occasionally when run G1 gc with high cpu usage.

Reviewers: kuaiwei, yuleil

Issue: #647
@wuqian0808
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@lingjun-cg 请问这个修复计划的发版时间是？或者龙井这边的发版节奏是?

@lingjun-cg
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每3个月

@yangjuanying
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yangjuanying commented Aug 29, 2024 •
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@lingjun-cg 请问下这个issue发版了吗，预计啥时候发版哈

@lingjun-cg
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@lingjun-cg 请问下这个issue发版了吗，预计啥时候发版哈

已经发布了，在https://dragonwell-jdk.io/#/index，8.20.21

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@yangjuanying @wuqian0808 @lingjun-cg