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2292796 - Current process infected with 11 in the module mda_populate_RepScannersTable - SAP ASE

Symptom

  • A user is executing sp_help_rep_agent is infected with the message "current process infected with 11"
  • Pararell replication agent is executing a shutdown (triggered via sp_stop_rep_agent)
  • 00:0006:00000:02579:2015/08/22 23:37:04.74 kernel  Current process (0x3a8f162d) infected with signal 11 (SIGSEGV)
    00:0006:00000:02579:2015/08/22 23:37:04.75 kernel  Address 0x0x00000000017f82ec (mda__populate_RepScannersTable+0x877), siginfo (code, address) = (1, 0x0x00000000000001e0)
    00:0006:00000:02579:2015/08/22 23:37:04.75 kernel  **** Saved signal context (0x0x000000019a222b10): ****
    00:0006:00000:02579:2015/08/22 23:37:04.75 kernel  uc_flags: 0x0, uc_link: 0x(nil)
    00:0006:00000:02579:2015/08/22 23:37:04.75 kernel  uc_sigmask: 0x416000 0xb 0x1 0x1e0
    00:0006:00000:02579:2015/08/22 23:37:04.75 kernel  uc_stack: ss_sp: 0x(nil), ss_size: 0x0, ss_flags: 0x2
    00:0006:00000:02579:2015/08/22 23:37:04.75 kernel  General Registers (uc_mcontext.gregs):
    00:0006:00000:02579:2015/08/22 23:37:04.75 kernel  PC : 0x00000000017f82ec (mda__populate_RepScannersTable+0x877)
    00:0006:00000:02579:2015/08/22 23:37:04.75 kernel          RAX : (nil)  RBX : 0x000000000000001e
    00:0006:00000:02579:2015/08/22 23:37:04.75 kernel          RCX : 0x000000000000000a  RDX : (nil)
    00:0006:00000:02579:2015/08/22 23:37:04.75 kernel  RBP : 0x000000019a223240  RSP : 0x000000019a222f50
    00:0006:00000:02579:2015/08/22 23:37:04.75 kernel  R8  : 0x000000000000000e  R9  : 0x0000000000180000
    00:0006:00000:02579:2015/08/22 23:37:04.75 kernel  R10 : (nil)  R11 : 0x00002aaaacde04e9
    00:0006:00000:02579:2015/08/22 23:37:04.75 kernel  R12 : 0x000000019a2230f6  R13 : (nil)
    00:0006:00000:02579:2015/08/22 23:37:04.75 kernel  R14 : 0x000000019a2230d0  R15 : 0x0000000278bb08f0
    00:0006:00000:02579:2015/08/22 23:37:04.75 kernel  RDI : 0x0000000278baf7c0  RSI : (nil)
    00:0006:00000:02579:2015/08/22 23:37:04.75 kernel  RIP : 0x00000000017f82ec  CSGSFS : 0x0000000000000033
    00:0006:00000:02579:2015/08/22 23:37:04.75 kernel  TRAPNO : 0x000000000000000e  ERR : 0x0000000000000004
    00:0006:00000:02579:2015/08/22 23:37:04.75 kernel  EFL : 0x0000000000010206
    00:0006:00000:02579:2015/08/22 23:37:04.75 kernel  **** end of signal context ****
    00:0006:00000:02579:2015/08/22 23:37:04.75 server  Initiating shared memory dump for signal 11.
    00:0006:00000:02579:2015/08/22 23:37:04.84 kernel  Dumping shared memory to dump file: /export/PDSTRD_EDGLN1/sybase/157SP132.1/MEMDUMP/PDSTRD_EDGLN1.dmp.2015082223370400
    ...
    00:0006:00000:02579:2015/08/22 23:37:21.95 kernel  Dump complete in 18 seconds.
    00:0006:00000:02579:2015/08/22 23:37:21.95 kernel  11 segments of total size 44494979072 bytes written to dump file.
    00:0006:00000:02579:2015/08/22 23:37:21.95 kernel  Merging parallel dump files.
    00:0026:00000:01952:2015/08/22 23:37:21.96 server  Started Rep Agent on database, 'CERD_CORPORATE' (dbid = 10).
    00:0025:00000:02579:2015/08/22 23:39:29.06 kernel  Merge completed.
    00:0025:00000:02579:2015/08/22 23:39:29.06 server  Shared memory dump completed successfully.
    00:0025:00000:02579:2015/08/22 23:39:29.07 kernel  ************************************
    00:0025:00000:02579:2015/08/22 23:39:29.08 kernel  SQL causing error : sp_help_rep_agent CERD_CORPORATE

    00:0025:00000:02579:2015/08/22 23:39:29.08 kernel  Current statement number: 71 Current line number: 262

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Environment

  • SAP Adaptive Server Enterprise (ASE)
  • Dataserver

Product

SAP Adaptive Server Enterprise 15.7 ; SAP Adaptive Server Enterprise 16.0

Keywords

message 11, error 11, monRepScanners, RAT, sp_help_rep_agent, sp_stop_rep_agent, mda_populate_RepScannersTable, mda_exec, mda_populate_monRepScanners, CR#788769, CR788769, 788769 , KBA , BC-SYB-ASE , Sybase ASE Database Platform (non Business Suite) , Problem

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