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) |