2496908 - Signal 11 in sqt_deallocate with error 701 - SAP ASE | SAP Knowledge Base Article

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2496908 - Signal 11 in sqt_deallocate with error 701 - SAP ASE

Symptom

  • ASE errorlog reports signal 11 at address sqt_deallocate followed by a stacktrace
  • With an explicit or implicit error 701: "There is not enough procedure cache to run this procedure, trigger, or SQL batch."
  • Errorlog entries include:

Current process (..) infected with signal 11 (SIGSEGV) 
Address 0x0000000080c7e864 (sqt_deallocate+0x11c)

  • The stack trace includes the modules:

sqt_deallocate
lwp_create
proccreate
s_crtproc
s_cache_stmt

  • Error 701 may be detected for the same process right before the signal 11 is hit, but does not get printed in the ASE errorlog.
  • The client may receive message 701 before being unexpectedly terminated.
  • The stacktrace will contain a reference to error 701 :

lasterror = 701 


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Environment

  • SAP Adaptive Server Enterprise (ASE) 15.x
  • SAP Adaptive Server Enterprise (ASE) 16.0

Product

SAP Adaptive Server Enterprise 15.7 ; SAP Adaptive Server Enterprise 16.0 ; Sybase Adaptive Server Enterprise 15.0 ; Sybase Adaptive Server Enterprise 15.5

Keywords

CR732011, CR#732011, 732011, CR749157, CR#749157, 749157, 760523, CR760523, CR#760523, SEGV, segmentation, storage, access, violation, fault, segfault, kisignal, registers, statement, procedure, cache, not enough procedure cache, fragment mempool, fragmented, memory, allocate, idle cached query plans, defragment memory pool, corruption, performance, proc cache , KBA , BC-SYB-ASE , Sybase ASE Database Platform (non Business Suite) , Bug Filed

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