Re: OnLine 7.2x on Linux
Despite the hacker's delight proposed by Mike, OnLine uses a well known
algorithm for attaching to shared memory that is based on servernum.
This error is generally the result of (a) forgetting to reset the
SERVERNUM parameter in your onconfig file, or (b) having start up
problems with Informix, leading to allocated shared memory segments not
being cleaned up when initialization fails.
David
(Embedded
image moved Mike Jagdis <mike @ roan.co.uk> at WVUS-SMTP
to file: 01/13/97 03:31 PM
PIC001.PCX)
To: informix-list @ rmy.emory.edu at WVUS-SMTP@CCMAIL
cc: (bcc: David Coburn/ISG/WVUS/WorldVision)
Subject: Re: OnLine 7.2x on Linux
Billy Wheeler said to st-ID:
>We're trying to get SCO OnLine 7.2x going on Linux (just for the hell
>of it) and we're getting the following in the log:
>
>09:24:46 invoke_alarm(): mt_exec failed, status -1, errno 0
>09:24:46 PANIC: Attempting to bring system down
>09:31:00 shmget: [EEXIST][17]: key 528d4801: shared memory already>exists 09:31:00 mt_shm_init: can't create resident segment
>
>OnLine 5.x works fine and dandy. SE 5.x works fine. Any ideas?
Check tsx-11 to ensure you are using the current iBCS release. Use the
ibcs/Tools/trace tool to log the system calls that occur and see if
anything obvious leaps out.
My guess is that the threading in 7.2x is getting screwed (it
probably relies on nasties like signal stack frames and assembler
fudging). Without a test program (or even code) I doubt that this
will be easy to fix.
Mike
--
.----------------------------------------------------------------------.
| Mike Jagdis | Internet: mailto:mike@roan.co.uk |
| Roan Technology Ltd. | |
| 54A Peach Street, Wokingham | Telephone: +44 118 989 0403 |
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