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2781904 - Signal 11 in s_i8Swap() when remotely query monMemoryUsage via proxy table -- SAP ASE

Symptom

  • Local ASE raised error 11216 when ran the following CIS query:
    • select * from monMemoryUsage_proxy
      go
      Msg 11216, Level 16, State 13:
      Server 'local_server_name', Line 1:
      Internal Ct-Lib/Cs-Lib error 84083974: 'ct_fetch(): network packet layer:
      internal net library error: Net-Library operation terminated due to disconnect'.
      (0 rows affected)
  • Remote ASE got signal 11(SIGSEGV) stack trace
    •   [1] s_i8Swap(lp = (nil))                   
        [2] lt_run(e_op = 0x1000622ca80)
        [3] lt_exec_proc(ltcontext = 0x10001a7ddf8, proc = 0x1000622c800, tabid = -2099)
        [4] lt_send_row(ltcontext = 0x10001a7ddf8, tabid = -2099, rowbuf = 0x10001a7d634 "\n")
        [5] mdarpc_sendrow(mda_ctx = 0x10001a81028, cstruct = 0x10008f5b630 "", rowbuf = 0x10001a7d634 "\n", varlenp =0x10008f5b848)
        [6] mda__MemUsg_PoolList(mda_ctx = 0x10001a81028, pooltype = 1, pool_function = 0x10450ad00 = &mda__MemUsg_one_BlockPool(MDA_CTX *mda_ctx, char *pooltypename, void *ppool, MEMPOOLSTATS *memstats), mp = (nil), tr_nrows = 0)
        [7] mda_populate_monMemoryUsage(mda_ctx = 0x10001a81028)
        [8] mda_exec(ctx = 0x10001a81028)
        [9] _ex_cleanup(0x1060b8ef0, 0x10001a81398, 0x10544d138, 0x5, 0x10544d030, 0x39d)
        [10] exec__native_rpc(token = 230, name = 0x1000622b13b "$monMemoryUsage", len = 15)
        [11] execrpc(token = 230)
        [12] _ex_cleanup(0xe6, 0x10003641927, 0x2, 0x1052fb5e0, 0x5, 0x10001a81c10)
        [13] conn_hdlr(socket = 0x3)

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Environment

  • SAP Adaptive Server Enterprise (ASE) 15.7
  • SAP Adaptive Server Enterprise (ASE) 16.0

Product

SAP Adaptive Server Enterprise 15.7

Keywords

monMemoryUsage, s_i8Swap, proxy table, CR 818972818972 , KBA , BC-SYB-ASE , Sybase ASE Database Platform (non Business Suite) , Problem

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