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Informix - Problem description

Problem IT45641 Status: Closed

ASSERT FAILURE POSSIBLE DURING INSERT OPERATION INTO A TABLE WITH AN
ACTIVE CREATE INDEX ONLINE OPERATION

product:
INFORMIX SERVER / 5725A3900 / E10 - 
Problem description:
An Assertion Failure may be possible when inserting a row into a
table that meets certain conditions whilst an online index
create operation is active.

An example stack trace:

(oninit) afstack
(oninit) mt_ex_throw_sig
(oninit) afsig_handler
(Linux) 
(oninit) onl_check_pimage
(oninit) onl_idx_send_pimage
(oninit) bfphyslogx
(oninit) buffclear
(oninit) allocvrow
(oninit) wrt_home
(oninit) wrtrecord
(oninit) rswrite
(oninit) fmwrite
(oninit) aud_sqiswrite
(oninit) chkrowcons
(oninit) addone
(oninit) ins1row
(oninit) insone_next
(oninit) doinsert
(oninit) aud_doinsert
(oninit) excommand
(oninit) sq_execute_workhorse
(oninit) sq_execute
(oninit) sqmain

Other stack traces may also be seen but all will have the
function onl_check_pimage close to the top. There may be several
different factors required for the Assert Failure to happen and
these include:

- The page selected for the row insert operation is previously
unused with contents that include junk for the page header.
- Parts of the page header fulfill the criteria for a data or
remainder type of page.
- The address information in the page header is invalid and
references a chunk that does not exist.
- A table has been dropped since the last checkpoint in the same
dbspace where the insert operation takes place, or a backup is
active for the dbspace and it is determined that the
before-image of the page is needed for the backup.
Problem Summary:
****************************************************************
* USERS AFFECTED:                                              *
* Users of Informix Server prior to 14.10.xC11.                *
****************************************************************
* PROBLEM DESCRIPTION:                                         *
* See Error Description                                        *
****************************************************************
* RECOMMENDATION:                                              *
* Upgrade to Informix Server 14.10.xC11.                       *
****************************************************************
Local Fix:
Solution
Workaround
****************************************************************
* USERS AFFECTED:                                              *
* Users of Informix Server prior to 14.10.xC11.                *
****************************************************************
* PROBLEM DESCRIPTION:                                         *
* See Error Description                                        *
****************************************************************
* RECOMMENDATION:                                              *
* Upgrade to Informix Server 14.10.xC11.                       *
****************************************************************
Comment
Fixed in Informix Server 14.10.xC11.
Timestamps
Date  - problem reported    :
Date  - problem closed      :
Date  - last modified       :
05.03.2024
07.06.2024
07.06.2024
Problem solved at the following versions (IBM BugInfos)
Problem solved according to the fixlist(s) of the following version(s)