1997385 - Process terminates with error "Current process infected with signal 11" at function proc__findcachedSQLplan() - ASE | SAP Knowledge Base Article

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1997385 - Process terminates with error "Current process infected with signal 11" at function proc__findcachedSQLplan() - ASE

Symptom

  • A process may get infected with signal 11 at proc__findcachedSQLplan()  producing the a stack trace with the following functions in it:

proc__findcachedSQLplan()
procrm()
freeprocs()
mem_getpages()

  • If the process terminated was holding a spinlock, the server will crash
  • ASE error log may contain lines similar to the following:

kernel  Current process (0x34f04ac) infected with signal 11 (SIGSEGV)
kernel  Address 0x0x0000000000e3397b (proc__findcachedSQLplan+0x6c), siginfo (code, address) = (1, 0x0x0000000000000010)
kernel  pc: 0x0000000000e3397b proc__findcachedSQLplan+0x6c()
kernel  pc: 0x0000000000e2cdaf procrm+0x36f()
kernel  pc: 0x0000000000e2d3ad freeprocs+0x33d()
kernel  pc: 0x0000000000dec1a2 mem_getpages+0x5d2()
kernel  end of stack trace, spid 847, kpid 55510188, suid 1


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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 ; SAP Adaptive Server Enterprise 16.0

Keywords

lwp_create
Adaptive Server Enterprise  , KBA , signal 11 , adaptive server enterprise , proc__findcachedsqlplan , BC-SYB-ASE , Sybase ASE Database Platform (non Business Suite) , Bug Filed

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