SAP Knowledge Base Article - Preview

2309907 - Error 1122 "Attempt to read allocation page before openning SYSALLOCPGS." raised when database fills

Symptom

  • User session terminates unexpectedly
  • Database (usually a tempdb) is full or nearly full and will usually be seen shortly before getting an 1105 error on the same database.
  • ASE errorlog contains an error 1122 "Attempt to read allocation page before openning SYSALLOCPGS." followed by a stacktrace.
  • Stacktrace contains the following functions: pg_get_alloc_page pg__allocate_near_target pg_allocate_from_gam

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Environment

This issue has only been seen in SAP Adaptive Server Enterprise (ASE) 16.0 and subsequent releases

Product

SAP Adaptive Server Enterprise 15.7 ; SAP Adaptive Server Enterprise 16.0 ; SAP Adaptive Server Enterprise 16.0 Cluster Edition

Keywords

KBA , BC-SYB-ASE , Sybase ASE Database Platform (non Business Suite) , Bug Filed

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