8-6 IBM Informix OnLine Database Server Administrator’s Guide
Alphabetized Messages
Attempt to write pages nn to a nn page buffer.
OnLine detected a page buffer overflow. No action is needed. OnLine
handles the situation internally.
Backup Mode
Thismessage appears during a data restore. OnLine shared memory is in an
internalbackup mode while the blobspaces and dbspaces are being restored,
before OnLine changes to online mode.
bfcheck: bad page: what is invalid,process that encountered it
state = “pg_addr information”
state = “pg_stamp information”
state = “pg_flags information”
state = “pg_nslots information”
state = “pg_frptr information”
state = “slotcheck information”
state = “page->pg_frcnt information”
buffer header: information
page header: information
slot table and stamp: information
page header, slot table, and stamp: information
The firstmessage in this series indicates that OnLine detected a consistency-
check failure. The additional messages identify the structure that is invalid
and provide diagnostic information. These messages have meaning to
Informix technical support personnel. Please contact Informix technical
support for additional assistance resolving this situation.
bfget(After wait) - bf_pagenum nn !=pagenum nn,
pb->_pagenum, pagenum
userp nn pid nn, USERP, USERP->us_pid
bp dump
bp->bf_page dump
This sequence of four messages accompanies a consistency-check failure
indicatingthat an unexpected event changed the contents of a buffer while a
databaseserver process was waiting for the buffer to be unlocked. No action
is needed. OnLine handles the situation internally by attempting to obtain
the buffer again.