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2855530 - HADR Rep Agent infected with signal 11 after failover - SRS

Symptom

  • HADR failover SITE2 to SITE1 failed with command, sap_host_available SITE2 with the following message in companion SRS log: 

User 'DR_admin' writes: '** HADR operation: sap_host_available SITE2,'
User 'DR_admin' writes: '** Message: failed'

  • Rep Agent stack trace in ASE error log:

<timestamp> kernel Current process (0x2490125) infected with signal 11 (SIGSEGV)
<timestamp> kernel Current Process is running on Engine 0
<timestamp> kernel Address 0x0x00007f4d0158554f (ll_del+0x7), siginfo (code, address) = (1, 0x0x0000000000000008)
<timestamp> kernel **** Saved signal context (0x0x00000001548e0e40): ****
<timestamp> kernel uc_flags: 0x1, uc_link: 0x(nil)
<timestamp> kernel uc_sigmask: 0x7bfbf037 0xb 0x1 0x8
<timestamp> kernel uc_stack: ss_sp: 0x(nil), ss_size: 0x0, ss_flags: 0x2
<timestamp> kernel General Registers (uc_mcontext.gregs):
<timestamp> kernel PC : 0x00007f4d0158554f (ll_del+0x7)
<timestamp> kernel RAX : (nil) RBX : (nil)
<timestamp> kernel RCX : (nil) RDX : (nil)
<timestamp> kernel RBP : 0x0000000268e30090 RSP : 0x00000001548e13d8
<timestamp> kernel R8 : (nil) R9 : 0x000000000000003e
<timestamp> kernel R10 : (nil) R11 : 0x00007f4d0156847c
<timestamp> kernel R12 : 0x0000000268e302b8 R13 : 0x0000000268e0d450
<timestamp> kernel R14 : 0x0000000268e0d8f0 R15 : 0x0000000268e30090
<timestamp> kernel RDI : 0x0000000268e300d0 RSI : 0x00000000ffffffff
<timestamp> kernel RIP : 0x00007f4d0158554f CSGSFS : 0x0000000000000033
<timestamp> kernel TRAPNO : 0x000000000000000e ERR : 0x0000000000000006
<timestamp> kernel EFL : 0x0000000000010246
<timestamp> kernel **** end of signal context ****
<timestamp> kernel ************************************
<timestamp> server SQL Text: [no text]
<timestamp> kernel curdb = 4 tempdb = 2 pstat = 0x10000 p2stat = 0x100000
<timestamp> kernel p3stat = 0x81a p4stat = 0x0 p5stat = 0x0 p6stat = 0x0 p7stat = 0x10000
<timestamp> kernel lasterror = 0 preverror = 0 transtate = 1
<timestamp> kernel curcmd = 0 program = <rep agent>
<timestamp> kernel extended error information: hostname: login:
<timestamp> kernel pc: 0x00000000014a3340 pcstkwalk+0x482()
<timestamp> kernel pc: 0x00000000014a2cff ucstkgentrace+0x20f()
<timestamp> kernel pc: 0x000000000149f522 ucbacktrace+0x54()
<timestamp> kernel pc: 0x0000000001774357 terminate_process+0x1367()
<timestamp> kernel pc: 0x00000000014cf57c kisignal+0x686()
<timestamp> kernel pc: 0x00007f4d0158554f ll_del+0x7()
<timestamp> kernel pcstkwalk: No more space in buffer to hold stack frames
<timestamp> kernel end of stack trace, spid 210, kpid 38338853, suid 0


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Environment

  • SAP Replication Server (SRS) 16.0 SP03 PL04
  • SAP Adaptive Server Enterprise (ASE) 16.0 SP03 PL04 with High Availability Disaster Recovery (HADR) for Business Suite
  • SAP Netweaver 7.5

Product

SAP Adaptive Server Enterprise 16.0 ; SAP NetWeaver 7.5 ; SAP Replication Server 16.0

Keywords

RepServer, RS, repagent, Rep Agent, failover, HADR, fall back, , KBA , BC-SYB-REP-SAP , Replication with SAP Suite / SAP BW , Bug Filed

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