IDS Forum

Re: Informix Memory error on Windows

Posted By: Guy .
Date: Thursday, 17 May 2007, at 4:18 p.m.

In Response To: RE: Informix Memory error on Windows (John Chauvin)

> I have found several discussions of using various addresses for the
instances - even on IBM site they also do not work to fix this (use of
0x20000000L etc)

Are you referring to SHMBASE?

The best value is the default 0xC000000. Any higher value will reduce the total shared memory size you can use. The problem will be caused by a DLL loaded at an address which fragments address space - unless there is something which is preventing /3GB from being used.

1. Start IDS with a small configuration which works.
2. Run an onstat command which will hang around, like "onstat -i" for example.
3. Run Process Explorer and configure it to show you DLL load addresses for the onstat.exe process ordered by address. Send the output of this and "onstat -g seg" and your boot.ini contents to the PMR owner (and here if you like).

Regards
Guy

----- Original Message ----
From: John Chauvin <John.Chauvin@mediware.com>
To: ids@iiug.org
Sent: Thursday, May 17, 2007 7:19:08 AM
Subject: RE: Informix Memory error on Windows [9176]

I have found several discussions of using various addresses for the
instances - even on IBM site they also do not work to fix this (use of
0x20000000L etc) the only one I have found was a discussion regarding
setting it up to 0x50000000 which appears to have worked in a test
environment

John A. Chauvin
Manager Technical Implementations
Medication Management Division
MEDIWARE INFORMATION SYSTEMS

www.mediware.com

Office: (913) 307 - 1029
Mobile: (913) 489 - 1054
Fax: (913) 307 - 1111

John.Chauvin@mediware.com

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-----Original Message-----
From: ids-bounces@iiug.org [mailto:ids-bounces@iiug.org] On Behalf Of
Guy .
Sent: Wednesday, May 16, 2007 10:13 AM
To: ids@iiug.org
Subject: Re: Informix Memory error on Windows [9171]

> Thanks for the info we do have the /3G

In that case as Jack said Process Explorer should help. Will take a look
at the PMR.

Guy

----- Original Message ----
From: John Chauvin <John.Chauvin@mediware.com>
To: ids@iiug.org
Sent: Wednesday, May 16, 2007 8:04:18 AM
Subject: RE: Informix Memory error on Windows [9170]

Thanks for the info we do have the /3G and have tried the /PAE as well
no difference

The PMR is 03177,370

SecureLinkTM The future of secure support.
This message (including any attachments) constitutes a confidential
communication and/or contains confidential information intended for a
specific individual and purpose, and is protected by law. If you are not
the intended recipient, please notify the sender by return email and
delete this message and any attachments. Any disclosure, copying, or
distribution of this message, or the taking of any action based on it,
is strictly prohibited.

-----Original Message-----
From: ids-bounces@iiug.org [mailto:ids-bounces@iiug.org] On Behalf Of
Guy .
Sent: Wednesday, May 16, 2007 9:46 AM
To: ids@iiug.org
Subject: Re: Informix Memory error on Windows [9168]

Hi,

1.8GB is about your limit unless you use the /3GB boot.ini switch, in
which case you should be able to get around 2.7GB.

> IBM thinks it's a windows bug

Please let me know the PMR number.

BTW If you need more than 2.7GB you might want to consider signing up
for the IDS 64-bit Windows beta.

Regards
Guy

----- Original Message ----
From: John Chauvin <John.Chauvin@mediware.com>
To: ids@iiug.org
Sent: Wednesday, May 16, 2007 6:30:00 AM
Subject: Informix Memory error on Windows [9165]

We are having an issue with IDS 9.4 on Windows 2000 and 2003 - if the
memory reaches around 1.8G the "on" commands stop working - we see
everything from "shared memory not initialized" to "cannot connect" with
no other information and the instance is running and if you are on the
system before it reaches this level you can still work.

We have duplicated this by setting either the SHMBASE or buffers up till
we get in the range of 1.8G Memory and it all stops.
IBM thinks it's a windows bug but I have nothing to take to MS. It
sounds like a bug that was in IDS 7

Any Help would be appreciated!

Thanks
JohnAC

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Messages In This Thread

• Informix Memory error on Windows
  John Chauvin -- Wednesday, 16 May 2007, at 9:30 a.m.
  • RE: Informix Memory error on Windows
    Jack Parker -- Wednesday, 16 May 2007, at 9:53 a.m.
  • Re: Informix Memory error on Windows
    Guy . -- Wednesday, 16 May 2007, at 10:45 a.m.
    • RE: Informix Memory error on Windows
      John Chauvin -- Wednesday, 16 May 2007, at 11:04 a.m.
      • Re: Informix Memory error on Windows
        Guy . -- Wednesday, 16 May 2007, at 11:12 a.m.
        • RE: Informix Memory error on Windows
          John Chauvin -- Thursday, 17 May 2007, at 10:19 a.m.
          • Re: Informix Memory error on Windows
            Guy . -- Thursday, 17 May 2007, at 4:18 p.m.

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