gbak intermittantly reports "Fatal lock manager error: invalid lock id
(10963360), errno: 22" in firebird.log and the backup fails
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Key: CORE-4022
URL: http://tracker.firebirdsql.org/browse/CORE-4022
Project: Firebird Core
Issue Type: Bug
Components: Engine, GBAK
Affects Versions: 2.1.5
Environment: CentOS 5.8 x86_64
Firebird Classic Server 2.1.5 from EPEL
Reporter: Fox
The bug occurs intermittently when run a backup script (gbak on cron) every day
at night.
The script of backup contains the following:
cd /var/lib/firebird/data
rm -f res_MAINDBI.log
gbak -g -b -z -v -user "sysdba" -pas "masterkey" -y res_MAINDBI.log MAINDB1.FDB
MAINDBI.FBK
The error does not occur every night, just some, when it occurs, the backup
fails,
the back-end of the log does not say the words "gbak:closing file, committing,
and finishing. 2665691648 bytes written" so that the backup is not successful.
When this bug occurs in "firebird.log" file shows the following:
srvcentos.local Wed Dec 19 01:00:08 2012
ISC_kill: process 25266 couldn't deliver signal 16 to process 10141:
permission denied
srvcentos.local Wed Dec 19 01:00:08 2012
Fatal lock manager error: invalid lock id (10963360), errno: 22
Notes:
OS: Centos 5.8 x86_64 updated to date.
Firebird Classic Server: This is the version 2.1.5 of the EPEL repository.
Installed Packages from EPEL
(http://dl.fedoraproject.org/pub/epel/5/x86_64/repoview/firebird-classic.html):
firebird.x86_64 [2.1.5.18496.0-2.el5]
firebird-classic.x86_64 [2.1.5.18496.0-2.el5]
firebird-filesystem.x86_64 [2.1.5.18496.0-2.el5]
firebird-libfbclient.x86_64 [2.1.5.18496.0-2.el5]
firebird-libfbembed.x86_64 [2.1.5.18496.0-2.el5]
Runing fb_inet_server proccess as user "firebird" and the script as user "root"
using cron:
Process A
USER: firebird
COMMAND: fb_inet_server
Process B
USER: firebird
COMMAND: fb_lock_mgr
Process C
USER: root
COMMAND: cron (script of backup)
The bug only occurs every few weeks, but when it happens, the backup fails.
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