|
Problem IT09280
|
Status: Closed |
SDS SQLEXEC THREAD CAN ASSERT FAIL WITH MESSAGE "THREAD EXITED WITH ## BUFFERS HELD" AFTER UPDATE STATS RUN ON PRIMARY OF SDS P |
| product: |
IFMX ULT WHSE E / IM0019BOS / C10 - IDS 12.10 |
| Problem description: |
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 Summary: |
****************************************************************
* USERS AFFECTED: *
* informix users *
****************************************************************
* PROBLEM DESCRIPTION: *
* See Error Description *
****************************************************************
* RECOMMENDATION: *
* Update to IBM Informix Server 12.10.xC6 *
**************************************************************** |
| Local Fix: |
|
| Solution |
Problem Fixed In IBM Informix Server 12.10.xC6 |
| Workaround |
not known / see Local fix |
| Timestamps |
Date - problem reported :
Date - problem closed :
Date - last modified :
| 04.06.2015
30.12.2015
30.12.2015 |
| Problem solved at the following versions (IBM BugInfos) |
12.10.xC6
|
| Problem solved according to the fixlist(s) of the following version(s) |
| 12.10.xC6
|
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