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https://jira.terracotta.org/jira//browse/CDV-205?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Fiona O'Shea reopened CDV-205:
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Assignee: Issue Review Board (was: Product Management)
> Deadlock occur on lock upgrade
> ------------------------------
>
> Key: CDV-205
> URL: https://jira.terracotta.org/jira//browse/CDV-205
> Project: Community Development
> Issue Type: Bug
> Components: DSO:L1
> Reporter: Antonio Si
> Assignee: Issue Review Board
> Fix For: trunk-nightly
>
>
> The lock upgrade test, LockUpgrade1Reads1UpgradesTest, result in deadlock.
> Deadlock could occur if there is more than one threads within a single JVM,
> one doing a lockupgrade and another one acquiring a readlock as follows:
> Thread 1 doing a thread upgrade as follows:
> T1: DSO MonitorEnter with Read
> T2: JVM MonitorEnter
> T3: DSO MonitorEnter with Write
> T4: JVM MonitorEnter
> Thread 2 doing a read only:
> T1.5 (between T1 and T2): Dso MonitorEnter with Read
> T2.5 (between T2 and T3): JVM MonitorEnter
> The test is currently disabled.
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