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IDS Forum

Assert Warning: I/O read chunk

Posted By: FRANK
Date: Wednesday, 4 February 2015, at 4:02 p.m.

HI, Folks,
Is this a disk chunk corruption warning or something else?
[informix@ivan tmp]$ more /tmp/af.68a726c
19:26:37 mt_aio_wait(0x4cfe0028)
19:26:37 chunkio(28, 0x9f91f800, 1365319, 1, 0x4d5d6028, 33, 1) errno 9
AIOREQ *a
000000005047fc80: 00000000 00000000 00000000 00000000 ........ ........
000000005047fc90: 00000000 00000000 00000000 00000000 ........ ........
000000005047fca0: 00000000 00000000 00000000 00000000 ........ ........
000000005047fcb0: 2003fe4c 00000000 08fcfd4c 00000000 ..L.... ...L....
000000005047fcc0: 00000000 00000000 00000000 00000000 ........ ........
000000005047fcd0: 98110000 41494f72 65710000 00000000 ....AIOr eq......
000000005047fce0: 00000000 00000000 d1070000 00000000 ........ ........
000000005047fcf0: 00000000 00000000 00000000 00000000 ........ ........
000000005047fd00: 04000000 01050000 0b000000 02000000 ........ ........
000000005047fd10: 01000000 00000000 01000000 00000000 ........ ........
000000005047fd20: 0801fe4c 00000000 00000000 00000000 ...L.... ........
000000005047fd30: 01000000 09000000 01000000 00000000 ........ ........
000000005047fd40: 30076c8e 00000000 00000000 00000000 0.l..... ........
000000005047fd50: 00000000 00000000 00000000 00000000 ........ ........
19:26:37
19:26:37 IBM Informix Dynamic Server Version 12.10.FC4W1X1 Software Serial
Number AAA#B000000
19:26:37 Assert Warning: I/O read chunk 25, pagenum 1365319, pagecnt 1 -->
errno = 2
19:26:37 Who: Session(149, informix@, 0, 0x4c490fa8)
Thread(674, StorageMGR, 4c452228, 10)
File: rsbuff.c Line: 5724
19:26:37 Action: Please notify IBM Informix Techical Support.
19:26:37 SHM Globals and Master Pool/Master Block Adresses:
19:26:37 shmcb = 0x000000004414d768
19:26:37 rhead = 0x00000000441b8800
19:26:37 pool list = 0x000000004414d840
19:26:37 block pool list = 0x00000000441b3048
19:26:37 TRANSP = 0x000000004c490fa8
19:26:37 PARTP = 0x000000004e3bc7f0
19:26:37 PARTNP = 0x000000004e3bc900
19:26:37 OPENP = 0x00000000504348b0
19:26:37 FILEP = 0x0000000050434ce8
19:26:37 Raw hex dump of stack located in /tmp/af.68a726c.rawstk
19:26:37 Stack for thread: 674 StorageMGR
.................
19:26:37 IBM Informix Dynamic Server Version 12.10.FC4W1X1 Software Serial
Number AAA#B000000
19:26:37 Assert Warning: I/O read chunk 25, pagenum 2834541, pagecnt 1 -->
errno = 9
19:26:37 Who: Session(149, informix@, 0, 0x4c490fa8)
Thread(674, StorageMGR, 4c452228, 10)
File: rsbuff.c Line: 5724
19:26:37 Action: Please notify IBM Informix Techical Support.
19:26:37 SHM Globals and Master Pool/Master Block Adresses:
19:26:37 shmcb = 0x000000004414d768
19:26:37 rhead = 0x00000000441b8800
19:26:37 pool list = 0x000000004414d840
19:26:37 block pool list = 0x00000000441b3048
19:26:37 TRANSP = 0x000000004c490fa8
19:26:37 PARTP = 0x000000004e3bc7f0
19:26:37 PARTNP = 0x000000004e3bc900
19:26:37 OPENP = 0x00000000504348b0
19:26:37 FILEP = 0x0000000050434ce8
19:26:37 Raw hex dump of stack located in /tmp/af.68a726c.rawstk
19:26:37 Stack for thread: 674 StorageMGR
base: 0x0000000050461000
len: 135168
pc: 0x00000000013d6d26
tos: 0x000000005047f080
state: running
vp: 10
0x00000000013d6d26 (oninit) afstack
0x00000000013d9e0d (oninit) afhandler
0x00000000013da14d (oninit) afwarn_interface
0x0000000000d770b3 (oninit) physio
0x0000000000d7e6d0 (oninit) buffget
0x0000000000e48e10 (oninit) rssample_index_for_index_compression
0x00000000014a748c (oninit) fmreorg_idx
0x0000000000ac37a5 (oninit) docompress_idx_op
0x00000000013d3e70 (oninit) th_init_initgls
0x000000000139d268 (oninit) startup
siginfo: <NULL>
19:26:38 See Also: /tmp/af.68a726c
---------------------------------
Begin System Alarm Program Output
---------------------------------
Assertion Failure Type: Warning
Host Name: ivan
Database Server Name: nsofintdwref_tcp
Time of failure: Wed Feb 4 19:26:38 UTC 2015
AF file: /tmp/af.68a726c
Shared memory file: None
System Blocking: OFF
-------------------------------
End System Alarm Program Output
-------------------------------
19:26:38 sh /usr/informix/etc/evidence.sh 1 0 /tmp/af.68a726c 149
0x4c452228 674 0x4ef7a028 1025 0 0 0 0
19:26:38
------------------ End of assertion failure 2 -----------------
19:26:38 mt_aio_wait(0x4cfe0028)
19:26:38 chunkio(28, 0x9f9ed800, 2849591, 1, 0x4d5d6028, 33, 1) errno 9
AIOREQ *a
000000005047fc80: 00000000 00000000 00000000 00000000 ........ ........
000000005047fc90: 00000000 00000000 00000000 00000000 ........ ........
000000005047fca0: 00000000 00000000 00000000 00000000 ........ ........
000000005047fcb0: 2003fe4c 00000000 08fcfd4c 00000000 ..L.... ...L....
000000005047fcc0: 00000000 00000000 00000000 00000000 ........ ........
000000005047fcd0: 98110000 41494f72 65710000 00000000 ....AIOr eq......
000000005047fce0: 00000000 00000000 d1070000 00000000 ........ ........
000000005047fcf0: 00000000 00000000 00000000 00000000 ........ ........
000000005047fd00: 04000000 01050000 0b000000 02000000 ........ ........
000000005047fd10: 01000000 00000000 01000000 00000000 ........ ........
000000005047fd20: 0801fe4c 00000000 00000000 00000000 ...L.... ........
000000005047fd30: 00000000 09000000 01000000 00000000 ........ ........
000000005047fd40: b0086d8e 00000000 00000000 00000000 ..m..... ........
000000005047fd50: 00000000 00000000 00000000 00000000 ........ ........
19:26:38
19:26:38 IBM Informix Dynamic Server Version 12.10.FC4W1X1 Software Serial
Number AAA#B000000
19:26:38 Assert Warning: I/O read chunk 25, pagenum 2849591, pagecnt 1 -->
errno = 9
19:26:38 Who: Session(149, informix@, 0, 0x4c490fa8)
Thread(674, StorageMGR, 4c452228, 10)
File: rsbuff.c Line: 5724
19:26:38 Action: Please notify IBM Informix Techical Support.
19:26:38 SHM Globals and Master Pool/Master Block Adresses:
19:26:38 shmcb = 0x000000004414d768
19:26:38 rhead = 0x00000000441b8800
19:26:38 pool list = 0x000000004414d840
19:26:38 block pool list = 0x00000000441b3048
19:26:38 TRANSP = 0x000000004c490fa8
19:26:38 PARTP = 0x000000004e3bc7f0
19:26:38 PARTNP = 0x000000004e3bc900
19:26:38 OPENP = 0x00000000504348b0
19:26:38 FILEP = 0x0000000050434ce8
19:26:38 Raw hex dump of stack located in /tmp/af.68a726c.rawstk
19:26:38 Stack for thread: 674 StorageMGR
But, chunk 25 looks fine from output of onstat -d ,
Chunks
address chunk/dbs offset size free bpages
flags pathname
4d5d6028 25 8 0 5000000 385
PO-B-- /usr/informix/dev-links/nsofopsdw/dwdata00a_ops
puzzling ....
Thanks
Frank
--001a11351944bf29bb050e4981dd

Messages In This Thread

Assert Warning: I/O read chunk
FRANK -- Wednesday, 4 February 2015, at 4:02 p.m.
- Re: Assert Warning: I/O read chunk
  Fernando Nunes -- Wednesday, 4 February 2015, at 4:22 p.m.
  - Re: Assert Warning: I/O read chunk
    MARK JALKIEWICZ -- Wednesday, 4 February 2015, at 4:34 p.m.
  - Re: Assert Warning: I/O read chunk
    FRANK -- Wednesday, 4 February 2015, at 4:55 p.m.
    - Re: Assert Warning: I/O read chunk
      MARK JALKIEWICZ -- Wednesday, 4 February 2015, at 5:49 p.m.
      - Re: Assert Warning: I/O read chunk
        FRANK -- Wednesday, 4 February 2015, at 6:19 p.m.

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