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Informix - Problem description

Problem IT30715 Status: Closed

LOCKING TEMPORARY TABLE CAUSES HDR PRIMARY TO CRASH

product:
INFORMIX SERVER / 5725A3900 / B70 - IDS 11.70
Problem description:
Customer upgraded to 12.10.xC5 and also started seeing the
crash.

Steps to duplicate the issue. I was not able to duplicate the
issue on aix64 but I can on linux64. Customer is on windows.

setup an HDR pair and a logged stores7. Then do

begin work;
create temp table temp_tab1(c1 int);
lock table temp_tab1 in exclusive mode;

12:02:16  Assert Failed: No Exception Handler
12:02:16  IBM Informix Dynamic Server Version 12.10.FC5
12:02:16   Who: Session(69, informix@keelut, 12053, 0x44c36d78)
        Thread(98, sqlexec, 44bf80a8, 1)
        File: mtex.c Line: 508
12:02:16   Results: Exception Caught. Type: MT_EX_OS, Context:
mem
12:02:16   Action: Please notify IBM Informix Techical Support.
12:02:16   See Also: /usr2/as_support/...../tmp/af.44a3118
12:02:17  Thread ID 98 will now be suspended.


Snippet from af file
12:02:16  Context ptr = 0x000000004d837030
12:02:16  Siginfo ptr = 0x000000004d837160
12:02:16  Reg  0(R8)      0xfefefefefefefeff Reg  1(R9)
0xfefefefefefeff30
12:02:16  Reg  2(R10)     0x0000000000000042 Reg  3(R11)
0x0000003e25a7a057
12:02:16  Reg  4(R12)     0x000000004625f5f0 Reg  5(R13)
0x0000000000000002
12:02:16  Reg  6(R14)     0x0000000045f8a028 Reg  7(R15)
0x000000000000000a
12:02:16  Reg  8(RDI)     0x000000004d8374a2 Reg  9(RSI)
0x0000000000000000
12:02:16  Reg 10(RBP)     0x000000004601f930 Reg 11(RBX)
0x000000004d8374a0
12:02:16  Reg 12(RDX)     0x000000004d8374a2 Reg 13(RAX)
0x0000000000000002
12:02:16  Reg 14(RCX)     0x0000000000000000 Reg 15(RSP)
0x000000004d837478
12:02:16  Reg 16(RIP)     0x0000003e25a78840 Reg 17(EFL)
0x0000000000010246
12:02:16  Reg 18(CSGSFS)  0x0000000000000033 Reg 19(ERR)
0x0000000000000004
12:02:16  Reg 20(TRAPNO)  0x000000000000000e Reg 21(OLDMASK)
0x0000000000000000
12:02:16  Reg 22(CR2)     0x0000000000000000
12:02:16  SHM Globals and Master Pool/Master Block Adresses:

12:02:16  shmcb =           0x000000004400e658
12:02:16  rhead =           0x000000004407b800
12:02:16  pool list =       0x000000004400e730
12:02:16  block pool list = 0x0000000044075338
12:02:16  TRANSP =          0x0000000044c36d78
12:02:16  PARTP =           0x00000000462e4028
12:02:16  PARTNP =          0x00000000462e4138
12:02:16  OPENP =           0x000000004601f028
12:02:16  FILEP =           0x000000004601f460
12:02:16  Raw hex dump of stack located in /usr2/
/tmp/af.44a3118.rawstk
12:02:16  Stack for thread: 98 sqlexec

 base: 0x000000004d828000
  len:   69632
   pc: 0x00000000013f47d7
  tos: 0x000000004d836780
state: running
   vp: 1

0x00000000013f47d7 (oninit) afstack
0x00000000013fbbec (oninit) mt_ex_throw_sig
0x0000000001397fe3 (oninit) afsig_handler
0x0000003e2660e4c0 (Linux) 
0x0000003e25a78840 (/lib64/libc-2.5.so) __GI_strcpy
0x000000000119431d (oninit) cloneLogTableLock
0x0000000000748453 (oninit) dolock_int
0x00000000006b7d3e (oninit) aud_dolock
0x00000000005c9d05 (oninit) excommand
0x0000000000a0de3c (oninit) sq_execute
0x0000000000acfd2e (oninit) sqmain
0x00000000014e5175 (oninit) spawn_thread
0x00000000013f1920 (oninit) th_init_initgls
0x00000000013b93a8 (oninit) startup
Problem Summary:
****************************************************************
* USERS AFFECTED:                                              *
* Users of IDS 11.70.xC9 and previous versions.                *
****************************************************************
* PROBLEM DESCRIPTION:                                         *
* Locking temporary table causes HDR Primary to crash.         *
****************************************************************
* RECOMMENDATION:                                              *
****************************************************************
Local Fix:
Solution
Workaround
not known / see Local fix
Timestamps
Date  - problem reported    :
Date  - problem closed      :
Date  - last modified       :
25.10.2019
04.11.2019
31.08.2020
Problem solved at the following versions (IBM BugInfos)
11.70.xC10
Problem solved according to the fixlist(s) of the following version(s)
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