IDS Forum

XPS Crashing

Posted By: Schleicher, Keith
Date: Wednesday, 7 March 2012, at 3:13 p.m.

We currently are running an AIX 4.3.3.0 box running Informix XPS
8.21.UD2X2. For a while it was running without issue, but recently we
have been getting several panic shutdowns. It appears to happen while
the same job is running, but there haven't been any changes to the
server or the job. Sometimes we get errors like this:

[01] 00:48:45 mt_ex_throw: No handler: ex = MT_EX_OS, context =
"unknown"

[01] 00:48:45 xmf_garbage_flist - Buffer 0x74c390bc owner 49665 != free

[01] 00:48:45 xmf_supt.c, line 597, thread 5, proc id 42326,
XMF_FATAL_ERROR

.

[01] 00:48:45 PANIC: Attempting to bring system down

[01] 05:32:18 VP pid=41338 priority fixed at 65, former = 120

Other times we get errors like this:

[01] 08:50:00 Assert Failed: Internal Error - Segmentation Violation

[01] 08:50:00 Who:Session(318, informix@, 31574, 1879666664)

Thread(61403, x_xuwrite_2, 70082600, 5)

[01] 08:50:00 Results: IDS AD must abort

[01] 08:50:00 Action: Reinitialize shared memory

[01] 08:50:00 See Also: /informixbkup/dump/af.efdb6787

[01] 08:50:00 mt_ex_throw: No handler: ex = MT_EX_OS, context =
"unknown"

[01] 08:50:00 Assert Failed: Internal Error - Bus Error

[01] 08:50:00 Who:Session(318, informix@, 31574, 0)

Thread(61400, x_scan_3, 0, 4)

[01] 08:50:00 Results: IDS AD must abort

[01] 08:50:00 Action: Reinitialize shared memory

[01] 08:50:00 See Also: /informixbkup/dump/af.efd86787

[01] 08:50:00 mt_ex_throw: No handler: ex = MT_EX_OS, context =
"unknown"

[01] 08:50:00 Assert Failed: Internal Error - Bus Error

[01] 08:50:00 Who:Session(318, informix@, 31574, 0)

Thread(61398, x_scan_1, 0, 1)

[01] 08:50:00 Results: IDS AD must abort

[01] 08:50:00 Action: Reinitialize shared memory

[01] 08:50:00 See Also: /informixbkup/dump/af.efd66788

[01] 08:50:07 Internal Error - Bus Error

[01] 08:50:07 mt.c, line 10342, thread 61400, proc id 41798, unknown.

[01] 08:50:07 PANIC: Attempting to bring system down

[01] 09:48:35 VP pid=38588 priority fixed at 65, former = 117

I've tried to look up Informix-related issues on these error, but
haven't come up with much. If upgrading to a higher version of Informix
was an option, I wouldn't be submitting anything here. If anyone has
any insight, it would be appreciated.

Keith Schleicher

IT Database Administrator

B2-253B-A

Office: 847-286-4027

Cell: 224-210-8358

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