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2314821 - Incorrect value for the parameter 'max online Q engines' - SAP ASE

Symptom

  • ASE allows configuration parameter 'max online engines' to be set to a value lower than 'number of engines at startup'
  • incorrect value for the parameter 'max online Q engines'
  • ASE is hitting a SIGSEGV followed by a stack trace involving the module ueisonline
  • kernel Current process (0x2f0018) infected with signal 11 (SIGSEGV)
    kernel Address 0x00000000804f8ac8 (ueisonline+0x28), siginfo (code, address) = (1, 0x000000d700000010)
    kernel **** Saved signal context (0x0000010001fe3f40): ****
    kernel uc_flags: 0x2f, uc_link: 0x0
    kernel uc_sigmask: 0xefbe7877 0xfff7 0x0 0x0
    kernel uc_stack: ss_sp: 0xffffffff7ad00000, ss_size: 0x2080768, ss_flags: 0x0
    kernel General Registers (uc_mcontext.gregs):
    kernel PC : 00000000804f8ac8 (ueisonline+0x28)
    kernel Next PC : 00000000804f8acc (ueisonline+0x2c)
    kernel CCR : 0000000000000004 Y : 0000000000000000
    kernel ASI : 0000000000000082 FPRS : 0000000000000007
    kernel g0 : 0000000000000000 g1 : 00000000806cd0a0 g2 : 0000000000000000
    kernel g3 : 0000000000000000 g4 : 0000000000010408 g5 : 000000d700000000
    kernel g6 : 0000000000000000 g7 : ffffffff7ef06240
    kernel o0 : 0000000000000400 o1 : 00000100000f62c0 o2 : 0000000000002000
    kernel o3 : 0000000000000400 o4 : 0000010000000000 o5 : 0400000000000000
    kernel o6 : 0000010001fe3b21 o7 : 0000000080607800
    kernel Windowed Registers (from stack frame 0000010001fe4320):
    kernel l0 : 0000000080000000 l1 : 0000000000000001 l2 : 000001000003e218
    kernel l3 : 0000000000000400 l4 : 0400000000000000 l5 : 0000000000000400
    kernel l6 : 0000000000000400 l7 : 0000000000000400
    kernel i0 : 0000000000000000 i1 : 0000000000000400 i2 : 0000000000000000
    kernel i3 : 0000000000000005 i4 : 0000000000000401 i5 : 0000000000000000
    kernel i6 : 0000010001fe3bf1 i7 : 000000008116fc68
    kernel previous stack frame : 0000010001fe43f0
    kernel **** end of signal context ****


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Environment

Adaptive Server Enterprise (ASE):

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

Platforms:

  • AIX 64bit
  • HP-UX on IA64 64bit
  • Linux on Power 64bit
  • Linux on x86 64 64bit
  • Solaris on Sparc 64bit
  • Solaris on x86 64 64bit
  • Windows on x64 64bit

Product

SAP Adaptive Server Enterprise 15.7 ; SAP Adaptive Server Enterprise 16.0

Keywords

ueisonline+0x28, ueisonline (), SIGSEGV, max online engines, max online Q engines, number of engines at startup, CR#733623, CR733623, 733623 , KBA , BC-SYB-ASE , Sybase ASE Database Platform (non Business Suite) , Bug Filed

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