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Admin Tools Forum

Dbschema crashes IDS V10

Posted By: khaled.bentebal@consult-ix.fr
Date: Monday, 26 June 2006, at 3:01 p.m.

Hi,

We have a client using INFORMIX IDS V10.00FC4 on HP UX 11i based on itanium .

When we run dbschema -d dbname, the engine crashes with the following message:

18:57:47 stack trace for pid 8502 written to /users/informix/tmp/af.158b2e2a
18:57:47 Assert Failed: No Exception Handler
18:57:47 IBM Informix Dynamic Server Version 10.00.FC4
18:57:47 Who: Session(22, informix@ExpTest2, 8519, c000000076b20dc8)

Thread(4515, sqlexec, c000000076aded90, 4)

File: mtex.c Line: 435
18:57:47 Results: Exception Caught. Type: MT_EX_OS, Context: mem
18:57:47 Action: Please notify IBM Informix Technical Support.
18:57:47 stack trace for pid 8502 written to /users/informix/tmp/af.158b2e2a
18:57:47 See Also: /users/informix/tmp/af.158b2e2a, shmem.158b2e2a.0
18:57:54 Checkpoint Completed: duration was 0 seconds.
18:57:54 Checkpoint loguniq 228, logpos 0x2ff4018, timestamp: 0x71825797

18:57:54 Maximum server connections 1
18:58:37 mtex.c, line 435, thread 4515, proc id 8502, No Exception Handler.
18:58:38 Fatal error in ADM VP at mt.c:12516
18:58:38 Unexpected virtual processor termination, pid = 8502, exit = 0x100

18:58:38 PANIC: Attempting to bring system down

I tried to look at the af. file but nothing clear seems to explains the problem.
Here is the stack trace I found:

18:57:47 Stack for thread: 4515 sqlexec

base: 0xc000000076dae000
len: 69632

pc: 0x0000000000000000
tos: 0xc000000076db9070
state: running

vp: 4

0x400000000035c1a0 (oninit)afstack
0x400000000035b9d0 (oninit)mt_ex_throw_sig
0x40000000019b1a00 (oninit)afsig_handler
0x4000000000aa1f71 (oninit)mkattnode
0x4000000001518720 (oninit)colp2expr
0x4000000001516ea0 (oninit)col2expr
0x4000000001515520 (oninit)dotted2expr
0x40000000005766f0 (oninit)expr2expr
0x4000000001538e60 (oninit)prjlst2expr
0x400000000152e0f0 (oninit)sel2cb
0x400000000060c8a0 (oninit)qblk2cb
0x400000000060c0e0 (oninit)stmt2cb
0x40000000009f3bd0 (oninit)p_sp2cb
0x4000000001021d10 (oninit)parsecmd
0x4000000001020cc0 (oninit)sqcmd
0x4000000000513860 (oninit)sq_cmnd
0x4000000000ef12c0 (oninit)sqmain
0x40000000011c44e0 (oninit)listen_verify
0x40000000011c2590 (oninit)spawn_thread
0x400000000035d150 (oninit)startup
0x4000000001b27200 (oninit)coroutine_start

I tried this with the stores_demo générated as usual with dbaccessdemo7 without
logging. Tha problem comes after few runs of dbschema in a row.

This is rather annoying since dbschema is important.

I run it with and without PDQPRIORITY set, with and without PSORT_NPROCS set.
There are 4 dbspace temps with a lot of space. The rootdbs is big enough

I haven't seen a bug in dbschema for several years around the IDS engine.

Has anyone seen any problem with dbschema?

Thanks in advance

Khaled

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