SAP Knowledge Base Article - Preview

2314743 - Killing CIS spid with i/o causes segv and crashes data server - SAP ASE

Symptom

  • In threaded kernel mode, killing a CIS spid with outstanding i/o can cause a segv
  • the spid doing remote i/o is killed two times.
  • a SIGSEV followed by a stack trace that includes the module np_conn_doconnect ()
  • there is a segv in the native thread
  • the scheduler has recursive bus error
  • there is a message that the scheduler has shut down 

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Environment

Adaptive Server Enterprise (ASE) 15.7

Product

SAP Adaptive Server Enterprise 15.7

Keywords

threaded, kernel mode, retry_delays, CIS, spid, i/o, segv, sp_addserver, SIGBUS, ct_cancel, sp_who, ct_connect, SIGSEGV, np_conn_doconnect (), CR700640, CR#700640, 700640 , KBA , BC-SYB-ASE , Sybase ASE Database Platform (non Business Suite) , Bug Filed

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