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3567088 - Sometimes SIGSEGV from _memcpy%sun4v-hwcap3 during online engine when ASE boot - SAP ASE

Symptom

Sometimes ASE boot failed and the following trace appears while online engine during the database recovery:-

... kernel  Thread 27 (LWP 34) of Threadpool syb_default_pool online as engine 21
...kernel  Current process (0x0) infected with signal 11 (SIGSEGV)
...kernel  Current Process is running on Engine 47
...kernel  Address 0xffffffff7bc0252c (_memcpy%sun4v-hwcap3+0xb8), siginfo (code, address) = (1, 0x0d1864bd2d8fc002)
...kernel  **** Saved signal context (0xffffffff780fb170): ****
...kernel  uc_flags: 0x2f, uc_link: 0x0
...kernel  uc_sigmask: 0xefbe7877 0xfffffff7 0xff 0x0
...kernel  uc_stack: ss_sp: 0xffffffff77f00000, ss_size: 0x2080768, ss_flags: 0x0
...kernel  General Registers (uc_mcontext.gregs):
...kernel       PC : ffffffff7bc0252c (_memcpy%sun4v-hwcap3+0xb8)
...kernel       Next PC : ffffffff7bc02558 (_memcpy%sun4v-hwcap3+0xe4) 
...kernel       CCR : 0000000000000055  Y : 0000000000000000
...kernel       ASI : 0000000000000082  FPRS : 0000000000000007
...kernel       g0 : 0000000000000000  g1 : 0d1864bd2d8fd9dc  g2 : ffffffff2d88efe0
...kernel       g3 : ffffffff2d88f078  g4 : ffffffff7f5ed100  g5 : 00000000843fd800
...kernel       g6 : 0000000000000000  g7 : ffffffff7f47d240
...kernel       o0 : 0d1864bd2d8fd9dc  o1 : ffffffff780fb60c  o2 : 0000000000000000
...kernel       o3 : 000000000d186963  o4 : ffffffff7d8fffdc  o5 : 0000000000000004
...kernel       o6 : ffffffff780fad51  o7 : ffffffff2d327d24
...kernel  uc_montext.gwins: 0x0000000000000000
...kernel  **** end of signal context ****
...kernel  end of stack trace 
...kernel  Scheduler infected: exiting


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Environment

SAP ASE 16.0

Product

SAP Adaptive Server Enterprise 16.0

Keywords

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

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