25842:20121203:183045.671 In DBcheck_version()
25842:20121203:183045.671 In DBconnect() flag:0
25842:20121203:183045.672 query [txnlev:0] [PRAGMA synchronous = 0]
zabbix_server [25842]: php_sysvsem_semop(): failed to acquire semaphore (id 0): [13] Permission denied
25842:20121203:183045.672 ERROR: cannot create lock on SQLite3 database

Or, on other machine:
14200:20121204:132538.801 In DBcheck_version()
14200:20121204:132538.801 In DBconnect() flag:0
14200:20121204:132538.801 query [txnlev:0] [PRAGMA synchronous = 0]
zabbix_server [14200]: php_sysvsem_semop(): failed to acquire semaphore (id 0): [43] Identifier removed
14200:20121204:132538.801 ERROR: cannot create lock on SQLite3 database