SAP Knowledge Base Article - Preview

2686240 - Signal 11 in module yylex() or errors 718 and 706 - SAP ASE 16.0

Symptom

  • An "infected with signal 11" error with the address in the module yylex() appears in the ASE errorlog:

kernel Current process (0x6de1014e) infected with signal 11 (SIGSEGV)
kernel Address 0x00000000019c9404 (yylex+0xaa34), siginfo (code, address) = (1, 0x0000002000000008)                                  

  • A user process (spid) which caused the signal 11 is reported as a zombie task in the ASE errorlog:

kernel  task 1843462478 is zombie

  • ASE unexpectedly shuts down.
  • The executing SQL contains large amounts of whitespace between SQL keywords in a stored procedure or execute immediate statement.
  • A stack trace following the error may include functions:

yylex
yyparse
sqlpars
internal_sql
s_execute

   Note: A complete stack trace is available under Attachments.

  • This problem can also be seen in the form of multiple errors, followed by a stack trace.
    • Error: 718, Severity: 20, State: 1
      Memory allocation from process private memory is being performed by an incorrect process. Current Spid: 'xxx'. Owning Spid: '0'. Memory: '0xxxxxxxxx'. This is an Adaptive Server internal error. Please contact SAP Tech Support.

    • Error: 706, Severity: 20, State: 3
      Process xxx tried to remove PROC_HDR 0xxxxxxxxx that it does not hold in Pss.

    • A stack trace following the error message may include the following functions:

rm_prochdr
memfree
pars_release_resources
pars_hdl
memalloc
yylex
yyparse
sqlpars
internal_sql
s_readparseProcText


Read more...

Environment

  • SAP Adaptive Server Enterprise (ASE) 16.0 SP03 PL04 and SP03 PL05
  • SAP Adaptive Server Enterprise (ASE) 15.7 SP140

Product

SAP Adaptive Server Enterprise 16.0

Keywords

kisignal, stacktrace, registers, crash, crashes, ueshutdown,  CR816352,  CR#816352,  816352, SEGV, segmentation, storage, access, violation, fault, segfault , KBA , BC-SYB-ASE , Sybase ASE Database Platform (non Business Suite) , BC-SYB-ASE-CE , ASE Cluster Edition (Standalone) , Bug Filed

About this page

This is a preview of a SAP Knowledge Base Article. Click more to access the full version on SAP ONE Support launchpad (Login required).

Search for additional results

Visit SAP Support Portal's SAP Notes and KBA Search.