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2786903 - Server hung after signal 11 at kstcpnetctlrCancelRequests and undo_blockingcall_nowait - SAP ASE

Symptom

  • ASE server completely hung
  • Configured memory dump on signal 11 could not complete
  • Relevant error log snippets include: 

Current process (0x0) infected with signal 11 (SIGSEGV)
Current Process is running on a Non-Engine Thread
Address 0x0x00000000014f3a62 (kstcpnetctlrCancelRequests+0x31f)
...
Initiating shared memory dump for signal 11.
Writing segment 0:

Current process (0x0) infected with signal 11 (SIGSEGV)
Current Process is running on a Non-Engine Thread
Address 0x0x00000000014c3ffc (undo_blockingcall_nowait+0x68)

Run to completion task iocRunController(ac0a0470) exception 11
nthrd_backtrace
krtctskException
undo_blockingcall_nowait
shm__write_memsegment
...
Warning: The internal timer is not progressing. If this message is generated multiple times, report to SAP Technical Support and restart the server (alarminterval=-887).

  • The dataserver process needs to be killed on OS level

Read more...

Environment

SAP Adaptive Server Enterprise (ASE) 16.0 SP03

Product

SAP Adaptive Server Enterprise 16.0

Keywords

KBA , BC-SYB-ASE , Sybase ASE Database Platform (non Business Suite) , Bug Filed

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