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2896359 - Signal 11 in des_checkpoint() brings ASE down - SAP ASE 16.0


  • On SAP ASE 16.0 SP03, a client connection is unexpectedly terminated.
  • An "Infected with signal 11" error in the module des_checkpoint() together with a stack trace is reported in the ASE errorlog:

Current process (0x53002a) infected with signal 11 (SIGSEGV)
Address 0x0x0000000001dcde7e (des_checkpoint+0x52e), siginfo (code, address) = (1, 0x0xfffffffffffffdd2)

  • The stack trace includes the following functions:


  Note: A complete stack trace is available under Attachments

  • The terminated process does not release a Dbtable->dbt_defpipebufgpspin spinlock that causes an ASE server shutdown.

Spinlocks held by  kpid 5439530
Spinlock Dbtable->dbt_defpipebufgpspin at address 0x0000000149066b00 owned by 5439530



SAP Adaptive Server Enterprise (ASE)  16.0 SP03 and SP04


SAP Adaptive Server Enterprise 16.0


Sybase, infected, signal, SEGV, SIGSEGV, segment violation, storage access violation, kisignal, CR821031, 821031, CR#821031, DES , KBA , BC-SYB-ASE , Sybase ASE Database Platform (non Business Suite) , BC-SYB-ASE-CE , ASE Cluster Edition (Standalone) , Bug Filed

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