IBM Support


KAIO: out of OS resources, errno = 12, pid

Troubleshooting


Problem

You see KAIO: out of OS resources, errno = 12 in the online.log

Cause

In the online.log you will see KAIO is out of OS resources errors

15:27:03 KAIO: out of OS resources, errno = 12, pid = 35521122
15:27:03 KAIO: out of OS resources, errno = 12, pid = 42271136
15:28:05 neterrb.c, line 658, thread 14, proc id 44040614, socdevpoll.c, line 1886, thread 14, errno=12, Unable to add new user to devpoll..
15:28:16 PANIC: Attempting to bring system down


15:26:28 IBM Informix Dynamic Server Version 11.50.FC4 Software Serial
Number AAA#B000000

15:26:28 Assert Failed: socdevpoll.c, line 1886, thread 14, errno=12,
Unable to add new user to devpoll.
15:26:28 Who: Session(9, informix@, 0, 0)
Thread(14, soctcppoll, 0, 17)
File: neterrb.c Line: 658
15:26:28 Stack for thread: 14 soctcppoll

base: 0x07000006c1ce4000
len: 69632
pc: 0x00000001000c178c
tos: 0x07000006c1cf3fa0
state: running
vp: 17

0x00000001000c19c0 (oninit)afstack
0x00000001000c3968 (oninit)afhandler
0x00000001000c1064 (oninit)net_abort
0x0000000100cc0204 (oninit)mail_open
0x0000000100cc1668 (oninit)mail_process
0x0000000100cc29e0 (oninit)soc_devpoll_thread
0x0000000100ce98cc (oninit)startup

Resolving The Problem

You are running out of memory. 


export IFMX_AIXKAIO_NUM_REQ=4096

Error 12 means:                                                   
                                                                   
                                              
#define ENOMEM  12      /* Not enough space*/  

[{"Product":{"code":"SSGU8G","label":"Informix Servers"},"Business Unit":{"code":"BU053","label":"Cloud & Data Platform"},"Component":"--","Platform":[{"code":"PF002","label":"AIX"}],"Version":"11.5;11.7;12.1","Edition":"","Line of Business":{"code":"","label":""}}]

Document Information

Modified date:
16 June 2018

UID

swg21451400