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Dirty page could be written without releasing (or downgrading) page lock. It results in "lock denied" or "lock conversion denied" bugcheck [CORE3464] #3825

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firebird-issue-importer opened this issue May 5, 2011 · 5 comments

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@firebird-issue-importer firebird-issue-importer commented May 5, 2011

Submitted by: @hvlad

Votes: 1

Race condition occured when CCH_flush(FLUSH_ALL) is writting page buffer and at the same time blocking AST is marked this buffer as BDB_blocking. When buffer is released after write it didn't checked bdb_ast_flag and page lock is not released. Another process received deadlock and is bugged with bugcheck 215 or 216.

Commits: 44975a7 bcff882 dc30e39

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@firebird-issue-importer firebird-issue-importer commented May 5, 2011

Modified by: @hvlad

assignee: Vlad Khorsun [ hvlad ]

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@firebird-issue-importer firebird-issue-importer commented Jun 15, 2011

Modified by: @hvlad

status: Open [ 1 ] => Resolved [ 5 ]

resolution: Fixed [ 1 ]

Fix Version: 2.5.1 [ 10333 ]

Fix Version: 3.0 Alpha 1 [ 10331 ]

Fix Version: 2.1.5 [ 10420 ]

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@firebird-issue-importer firebird-issue-importer commented Apr 23, 2013

Modified by: @pcisar

status: Resolved [ 5 ] => Closed [ 6 ]

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@firebird-issue-importer firebird-issue-importer commented Jan 18, 2016

Modified by: @pavel-zotov

QA Status: No test

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@firebird-issue-importer firebird-issue-importer commented May 25, 2016

Modified by: @pavel-zotov

status: Closed [ 6 ] => Closed [ 6 ]

QA Status: No test => Cannot be tested

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