"Fatal lock manager error: invalid lock id (0), errno: 0" when shutting down
database with "gfix -shut full -force nnn"
-----------------------------------------------------------------------------------------------------------------------
Key: CORE-4042
URL: http://tracker.firebirdsql.org/browse/CORE-4042
Project: Firebird Core
Issue Type: Bug
Components: Engine, GFIX, Guardian
Affects Versions: 2.5.2
Environment: SuSE Linux Enterprise Server 11 SP1 (x86_64 kernel
2.6.32), Firebird 2.5.2 SuperClassic
Reporter: John Franck
Priority: Critical
When shutting down several DBs for scheduled server maintenance/backup every
night, sometimes the fb_smp_server crashes and the log reports "Fatal lock
manager error: invalid lock id (0), errno: 0" (it seems similar to CORE-3016).
Then the guardian seems unable to restart the server process for several times,
it attempts to open a wrong named file (see attached firebird.log).
I can't tell if there are open connections to the DBs being shut down, but it
seems the -force timeout (300 in my case) has not been reached, although the
shutdown process takes one or two minutes when the problem occurs, vs just one
or two seconds in normal situations.
This problems never occurred with FB 2.5.1.
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