1954121 - ASE 12.5.4 fails to start with 256 GB or larger memory - SAP ASE | SAP Knowledge Base Article

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1954121 - ASE 12.5.4 fails to start with 256 GB or larger memory - SAP ASE

Symptom

  • unable to start the server with max memory greater than 256 GB
  • kernel os_create_region: can't allocate 289910292480 bytes
  • kernel kbcreate: couldn't create kernel region.
  • kernel kistartup: could not create shared memory
  • Segmentation fault

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Environment

SAP  Adaptive Server Enterprise (ASE)  12.5.4 ESD#11 and below releases on Linuxamd64

Product

Sybase Adaptive Server Enterprise 12.5

Keywords

256G shared memory, shmmax, os_create_region, kbcreate, kistartup, Huge Pages, CR 472272 , KBA , BC-SYB-ASE , Sybase ASE Database Platform (non Business Suite) , Problem

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