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Informix - Problembeschreibung

Problem IT09280 Status: Geschlossen

SDS SQLEXEC THREAD CAN ASSERT FAIL WITH MESSAGE "THREAD EXITED WITH ##
BUFFERS HELD" AFTER UPDATE STATS RUN ON PRIMARY OF SDS P

Produkt:
IFMX ULT WHSE E / IM0019BOS / C10 - IDS 12.10
Problembeschreibung:
It is possible for a thread running on a SDS secondary to assert 
fail comparable to: 
 
11:34:00  Assert Failed: Thread exited with 43 buffers held. 
 
11:34:00  IBM Informix Dynamic Server Version 12.10.FC4W1XB 
11:34:00   Who: Session(48447, informix@\ufffd.bE, 4870, 
0x44ce6bd8) 
                Thread(48477, sqlexec, 44cb64a8, 8) 
                File: rsshmem.c Line: 2082 
11:34:00   Results: Dynamic Server must abort 
11:34:00  stack trace for pid 12689 written to 
/opt/informix/tmp/af.c1452c77 
11:34:00   See Also: 
/work2/laube/pmrs/43731_082_000/tmp/af.c1452c77 
11:34:01  Thread ID 48477 will NOT be suspended because 
          it is holding a buffer. 
 
Stack for thread: 48477 sqlexec 
 base: 0x0000000050e55000 
  len:   69632 
   pc: 0x0000000001a9a4b1 
  tos: 0x0000000050e64610 
state: running 
   vp: 8 
 
(oninit) mt_system 
(oninit) afhandler 
(oninit) afcrash_interface 
(oninit) rstcb_cleanup 
(oninit) destroy_session 
(oninit) sq_exit 
(oninit) sqmain 
(oninit) listen_verify 
(oninit) spawn_thread 
(oninit) th_init_initgls 
(oninit) startup 
 
The problem seems to be related to running update statistics 
high on the primary of a PRI/SDS pair while accessing pages in 
the buffer pool for the sysdistrib table on the SDS secondary.
Problem-Zusammenfassung:
**************************************************************** 
* USERS AFFECTED:                                              * 
* informix users                                               * 
**************************************************************** 
* PROBLEM DESCRIPTION:                                         * 
* See Error Description                                        * 
**************************************************************** 
* RECOMMENDATION:                                              * 
* Update to IBM Informix Server 12.10.xC6                      * 
****************************************************************
Local-Fix:
Lösung
Problem Fixed In IBM Informix Server 12.10.xC6
Workaround
keiner bekannt / siehe Local-Fix
Weitere Daten
Datum - Problem gemeldet    :
Datum - Problem geschlossen :
Datum - der letzten Änderung:
04.06.2015
30.12.2015
30.12.2015
Problem behoben ab folgender Versionen (IBM BugInfos)
12.10.xC6
Problem behoben lt. FixList in der Version
12.10.xC6 FixList