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

• "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

SAP Adaptive Server Enterprise (ASE) 15.7

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