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Informix - Problem description

Problem IT16206 Status: Closed

ASSERTION CONDITION FAILED (CACHE_ELM->MT_CACHE_ELEM_LOADER == NULL), IN
(MT_CACHE_DONE)

product:
INFORMIX SERVER / 5725A3900 / C10 - IDS 12.10
Problem description:
A timing problem exists where it may be possible for 2 threads
looking up the same group in the NS_CACHE may cause one to
generate the following assertion failure:

09:16:38  Assert Failed: Condition Failed
(cache_elm->mt_cache_elem_loader == NULL), In (mt_cache_done)
09:16:38   Who: Session(28, user@machine, 5241, 0x44d7bc58)
        Thread(55, listen_authenticate, 44d38368, 1)
        File: mtshpool.c Line: 4820
09:16:38   Action: Please notify IBM Informix Techical Support.

Stack trace:

afstack
afhandler
affail_interface
mem_asfail
mt_cache_done
_osgetgrgid
is_group_member
check_grp
check_sec_attrs
trusted_fe
spawn_thread
th_init_initgls
startup

The assertion under default configuration is non-fatal.

NS_CACHE must be enabled to encounter this issue.
Problem Summary:
****************************************************************
* USERS AFFECTED:                                              *
* Customers who use the NS_CACHE feature can run into this     *
* issue                                                        *
****************************************************************
* PROBLEM DESCRIPTION:                                         *
* See Error Description                                        *
****************************************************************
* RECOMMENDATION:                                              *
* Update to IBM Informix Server 12.10.xC8                      *
****************************************************************
Local Fix:
Solution
Workaround
not known / see Local fix
Timestamps
Date  - problem reported    :
Date  - problem closed      :
Date  - last modified       :
19.07.2016
09.12.2016
09.12.2016
Problem solved at the following versions (IBM BugInfos)
12.10.xC8
Problem solved according to the fixlist(s) of the following version(s)
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