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Kernel incompatible to already connected instances

Hi Experts,

The Dialog instance of our netweaver server is not starting with the following error:

***LOG Q1K=> MsIAttachEx: StoC check failed, Kernel not compatible with system (rc=29) [msxxi.c      820]

*** ERROR => Kernel incompatible to already connected instances (see dev_ms for details) [dpxxdisp.c   12889]

DpHalt: shutdown server >xxxxxxxxxxxx                        < (normal)

DpHalt: stop work processes

Thu Mar 31 18:52:43 2016

DpHalt: stop gateway

*** ERROR => DpProcKill: kill failed (3: No such process) [dpuxdisp.c   440]

DpHalt: stop icman

*** ERROR => DpProcKill: kill failed (3: No such process) [dpuxdisp.c   440]

DpHalt: terminate gui connections

DpHalt: wait for end of work processes

DpHalt: wait for end of gateway

DpHalt: wait for end of icman

DpHalt: not attached to the message server

DpHalt: cleanup EM

DpHalt: cleanup event management

DpHalt: cleanup shared memory/semaphores

DpCleanupSharedResources: removing request queue

*** INFO  SHM 31 in POOL 10     7042 KB estimated      4760 KB real (   -2282 KB    -33 %)

***LOG Q05=> DpHalt, DpHalt (58523734) [dpxxdisp.c   11876]

DpHalt: *** shutdown completed - server stopped ***

I have already followed the below Wiki steps:

Kernel incompatible to already connected instances - Application Server Infrastructure - SCN Wiki

How to check

To check the 'source id'

1. Logon to central instance and execute

  • sappfpar pf=<CI's profile> DIR_EXECUTABLE
  • <DIR_EXECUTABLE>/msg_server | grep source

2. Logon to application server and execute

  • sappfpar pf=<DI's profile> DIR_EXECUTABLE
  • <DIR_EXECUTABLE>/disp+work | grep source

the source_id matches but still getting the same error. Please suggest.

Thanks

Rahul

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2 Answers

  • Apr 04, 2016 at 06:04 PM

    Hi Rahul,

    Please update the OS for your Central Instance and dialog instance.

    If your CI and DIA are on separate hosts then are you using same kernel including patch?

    Thanks,

    MPS

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  • Apr 04, 2016 at 08:55 PM

    Hello,

    Are the parameters "rdisp/mshost" and "rdisp/msserv_internal" defined at the DEFAULT.PFL profile only?

    At the DI, when you perform a DNS test (e.g., "ping"), is the hostname defined at "rdisp/mshost" pointing to the correct IP address?

    Regards,

    Isaías

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