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Deadlock happens when running 'List Trace Sessions' service and there are many active trace sessions #8151

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Deadlock happens when running 'List Trace Sessions' service and there are many active trace sessions#8151
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hvlad
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affect-version: 5.0.0fix-version: 3.0.12fix-version: 4.0.5fix-version: 5.0.1fix-version: 6.0 Alpha 1rlsnotes60: noIntentionally not added to the Firebird 6.0 release notes.type: bug
@hvlad

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@hvlad
hvlad
opened on Jun 5, 2024

The bug was found when few instances of QA tests was running concurrently.

The stack trace is attached, look at threads 7 and 2

The problem happens when textual representation for list of trace sessions takes more than 1KB (internal size of service output buffer) and service working thread runs faster than service start thread fire EVENT_SERVICE_START.

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affect-version: 5.0.0fix-version: 3.0.12fix-version: 4.0.5fix-version: 5.0.1fix-version: 6.0 Alpha 1rlsnotes60: noIntentionally not added to the Firebird 6.0 release notes.type: bug

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