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2905657 - Signal 11 in nhnVglo2HqwigS9h() and license becomes graced - SAP ASE

Symptom

  • "Infected with signal 11" error in the module nhnVglo2HqwigS9h() together with a stack trace is reported in the ASE errorlog:

Current process (0x0) infected with signal 11 (SIGSEGV)
Address 0x0x0000000001acf15d (nhnVglo2HqwigS9h+0x3ed), siginfo (code, address) = (1, 0x(nil))

  • The stack trace may include the following functions:

nhnVglo2HqwigS9h
upsleepgeneric
ubcWaitForCompletion
undo_blockingcall_thread
klicense_heartbeat_proc

  Note: A more complete stack trace is available under Attachments.

  • As a result the license becomes graced
  • After Signal 11, a timeslice error may be reported as well, for example:

timeslice -2001, current process infected at 0x3272c0d654 ((null)+0x3272c0d654)

  • The stacktrace may include the following functions:

klicense_report()
mda_exec()
VTABRemoteAccess::getNext()
VTABRemoteAccess::startScan()
LeScanOp::_LeOpNext()

  • In very rare cases, ASE can shutdown immediately with message:

Engine 0 (os pid 12345) has died, server is performing emergency shutdown


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Environment

SAP Adaptive Server Enterprise (ASE) 15.7

Product

SAP Adaptive Server Enterprise 15.7 ; SAP Adaptive Server Enterprise 16.0

Keywords

CR821295, CR#821295, 821295, LICENSE, HEARTBEAT, SEGV, segmentation, storage, access, violation, fault, segfault, kisignal, stacktrace, registers , KBA , BC-SYB-ASE , Sybase ASE Database Platform (non Business Suite) , BC-SYB-ASE-CE , ASE Cluster Edition (Standalone) , Bug Filed

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