| Latest versions | fixlist |
| 14.10.xC10 |
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| 12.10.xC16.X5 |
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| 11.70.xC9.XB |
|
| 11.50.xC9.X2 |
|
| 11.10.xC3.W5 |
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Informix - Problem description
| Problem IT40738 | Status: Closed |
A LISTEN THREAD CAN ASSERT MT_FREE_MUTEX CALL ON ALREADY FREED MUTEX AND CRASH THE SERVER IF SHMTOTAL STRESSED | |
| product: | |
INFORMIX SERVER / 5725A3900 / E10 - | |
| Problem description: | |
The following failure was observed stressing SHMTOTAL running
14.10.FC8 on linux x86_64
04/19/2022 15:20:35 Size of resident + virtual segments
16260KB + 420124KB > 420000KB
04/19/2022 15:20:35 total allowed by configuration
parameter SHMTOTAL
04/19/2022 15:20:35 mt_create_mutex: cannot allocate memory
04/19/2022 15:20:35 Assert Failed: mt_free_mutex() call on
already freed mutex
04/19/2022 15:20:35 IBM Informix Dynamic Server Version
14.10.FC8
04/19/2022 15:20:35 Who: Session(3, informix@, 0, (nil))
Thread(9, soctcplst, 0, 1)
File: mt_fn.c Line: 8836
04/19/2022 15:20:35 stack trace for pid 4473 written to
/work2/laube/pmrs/CHCLS00155466/tmp/af.3f11993
04/19/2022 15:20:35 See Also:
/work2/laube/pmrs/CHCLS00155466/tmp/af.3f11993
04/19/2022 15:20:42 Thread ID 9 will NOT be suspended because
it is deemed too critical to the server.
04/19/2022 15:20:42 See Also:
/work2/laube/pmrs/CHCLS00155466/tmp/af.3f11993
04/19/2022 15:20:42 Starting crash time check of:
04/19/2022 15:20:42 1. memory block headers
04/19/2022 15:20:42 2. stacks
04/19/2022 15:20:42 Crash time checking found no problems
04/19/2022 15:20:42 mt_fn.c, line 8836, thread 9, proc id
4473, mt_free_mutex() call on already freed mutex.
15:20:42 The Master Daemon Died
15:20:35 Stack for thread: 9 soctcplst
base: 0x0000000046836000
len: 69632
pc: 0x00000000014cfead
tos: 0x0000000046845090
state: running
vp: 1
0x00000000014cfead (oninit) afstack
0x00000000014cd869 (oninit) afhandler
0x00000000014ca6e2 (oninit) afcrash_interface
0x00000000014dffae (oninit) mt_free_mutex
0x000000000152d295 (oninit) scb_free
0x000000000152b1e5 (oninit) create_session
0x00000000016015f2 (oninit) sql_listener
0x00000000015054cf (oninit) startup | |
| Problem Summary: | |
**************************************************************** * USERS AFFECTED: * * Users of Informix Server prior to 14.10.xC9. * **************************************************************** * PROBLEM DESCRIPTION: * * See Error Description * **************************************************************** * RECOMMENDATION: * * Upgrade to Informix Server 14.10.xC9. * **************************************************************** | |
| Local Fix: | |
| Solution | |
| Workaround | |
**************************************************************** * USERS AFFECTED: * * Users of Informix Server prior to 14.10.xC9. * **************************************************************** * PROBLEM DESCRIPTION: * * See Error Description * **************************************************************** * RECOMMENDATION: * * Upgrade to Informix Server 14.10.xC9. * **************************************************************** | |
| Comment | |
Fixed in Informix Server 14.10.xC9. | |
| Timestamps | |
Date - problem reported : Date - problem closed : Date - last modified : | 25.04.2022 29.09.2022 29.09.2022 |
| Problem solved at the following versions (IBM BugInfos) | |
| Problem solved according to the fixlist(s) of the following version(s) | |