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3227990 - Crash after timeslice with current process infected at swapcontext - SAP ASE

Symptom

Server crashed due stack overflow after timeslice error with current process infected at "swapcontext":

======

timeslice -1927, current process infected at 0x2aaaacda90ee (swapcontext+0xce)
**** Saved signal context (0x0x0000000002c879c0): ****
uc_flags: 0x0, uc_link: 0x(nil)
uc_sigmask: 0x7bfbf037 0xa 0xfffffffa 0x45e8
uc_stack: ss_sp: 0x(nil), ss_size: 0x0, ss_flags: 0x2
General Registers (uc_mcontext.gregs):
PC : 0x00002aaaacda90ee (swapcontext+0xce)
....
....
**** end of signal context ****
timeslice error: spid 2062 exhausted its 'time slice' of 100 milliseconds and additional 'cpu grace time' of 1500 ticks (150000 milliseconds). It has been marked for termination.
This Adaptive Server process has had 8508 major and 140550 minor page faults since boot.
Stack overflow detected: limit: 0x0x00002aaac0833470, guardpage: 0x0x00002aaac0835470, sp: 0x0x0000000002c85cd4
pcstkwalk
ucstkgentrace
ucbacktrace
ucstackcrash
send_audit
form_and_send_audit
chk_and_send_audit
terminate_process
kitermproc
end of stack trace, spid 1111, kpid 1111111111, suid 111
*** Stack corrupted, server aborting.
....
....
ueshutdown: exiting


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Environment

Adaptive Server Enterprise 15.7 SP134 (LINUX)

Product

SAP Adaptive Server Enterprise 15.7

Keywords

crash timeslice error stack guardword detected corrupted swapcontext memory swap swapping swapped starvation operating system , KBA , BC-SYB-ASE , Sybase ASE Database Platform (non Business Suite) , Problem

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