SAP not coming up after Kernel Upgarde

[Former Member]

Hi Experts,

We have upgraded the kernel from 700/185 to patch level 254, but after upgrade the SAP system is not coming up, here is the dev_disp error, also we have applied 1336333 recommendations but no success

• ERROR => e=13 semget(20038,1,8703) (13: Permission denied) [semux.c 939]

• ERROR => CCMS: SemInit failed [alxxappl.c 610]

• ERROR => CCMS: sAlInit: could not create/attach shared memory key 13 (rtc = 255) [alxx.c 1187]

• ERROR => AlDpAdmInit: sAlInit rtc = 255 [alxx.c 514]

• ERROR => DpLoopInit: AlDpAdmInit [dpxxdisp.c 2026]

• ERROR => DpHdlDeadWp: W0 (pid 19202228) died (severity=0, status=65280) [dpxxdisp.c 15242]

Thanks for your help in advance

Thanks,

Ravi

Edited by: ravi prasad on Sep 27, 2010 12:26 PM

[Former Member · Accepted solution]

Hi Ravi,

Have you checked the following directories;

/usr/sap/SID/sys/exe/run against /usr/sap/SID/DVEBMGSnn/exe/run; Chances are old kernel is still showing in your instance directory exe folder.

please check that and let us know if this is the issue; If yes, please proceed to copy the contents from newly updated kernel directory /...sys/exe/run to .../DVEBMGSnn/exe directory, manually. You will have more details on this scenario and a permanent fix is in the note 1104735.

[Former Member]

First check the trans.log for more info on exact error.

Some of the clues:

1) Run root.sh to adopt the file permissions

2) Restart the server to free-up the shared memory

Regards,

Nick Loy

[Former Member]

Hello Ravi,

At times, some libraries don't get overwritten so make sure that you check the output of your SAPCAR to the exe directory especially library files like dw_.o and libi.a type files. If the extraction the directory is fine, clear the shared memory with ipcrm command or use cleanipc command and this should fix your issue.

Regards,

Arvind.

[Former Member]

>*** ERROR => e=13 semget(20038,1,8703) (13: Permission denied) http://semux.c 939

have you ran the ./saproot.sh from root? which you set the permissions after kernel upgrade.

saproot.sh <SID>

[former_member204746]

increase ztta/diag_area

reference: http://www.sapfans.com/forums/viewtopic.php?f=12&t=344328

[fjhernanz]

Hi Ravi,

Please ensure that the sapccm4x is also on latest patch collection. About note 1336333, did you only set ipc/shm_old_permissions = TRUE ? Many times this problem is solved with cleaning up the shared memory as described in the same note.

Br,

Javier

[Former Member]

Hi Javier,

Thanks for your reply...In our Devlopment box we can succefully upgarde the kernel with the patches mentioned below

We have applied SAPEXEDB_254-20000979.SAR, SAPEXE_254-20000978.SAR files and done all possible recommendations in the possible note, but with out success

Thanks,

Ravi

[Former Member]

Hi,

As you have applied the fix for this and still have a problem have you tried rebooting the box ?

Mark