2111564 - Frequent Signal 11 in des__worktab_desget - SAP ASE | SAP Knowledge Base Article

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2111564 - Frequent Signal 11 in des__worktab_desget - SAP ASE

Symptom

  • Randomly the ASE errorlog reports an "Infected with signal 10 (SIGBUS)/ 11 (SIGSEGV)" error with a stacktrace:

Current process (0x3998086c) infected with signal 10 (SIGBUS)
Address 0x00000000809aba24 (des__worktab_desget+0x4c), siginfo (code, address) = (1, 0xbb79d0053a62a599)

  • The stacktrace includes the function des__worktab_desget:

des__worktab_desget
open__byid
_$o1cexkV0.rvm_register_w_obj_acc
procinstall
...
lwp_create
proccreate
s_crtproc
_$o1cexkU0.sequencer
tdsrecv_dynamic
...

  • This happens when the affected process (spid) is running a complex SQL query requiring worktables during its processing.
     
  • The spid failure is followed by Error 6103:

Error: 6103, Severity: 17, State: 1
Unable to do cleanup for the killed process; received Msg 8203. 


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Environment

  • SAP Sybase Adaptive Server Enterprise (ASE) 15.0.2
  • SAP Sybase Adaptive Server Enterprise (ASE) 15.0.3
  • SAP Sybase Adaptive Server Enterprise (ASE) 15.5

Product

Sybase Adaptive Server Enterprise 15.0 ; Sybase Adaptive Server Enterprise 15.5

Keywords

558700,  CR558700, CR#558700, 606019, CR606019, CR#606019, segmentation, fault, segfault, access, violation, stacktrace, des_wkinstall , KBA , BC-SYB-ASE , Sybase ASE Database Platform (non Business Suite) , Bug Filed

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