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2213388 - Signal 11 in j_searchspace(). The process is not terminated. - SAP ASE

Symptom

  • When a very long and complex query joins 7 or more tables
  • ASE may report an "Infected with signal 11" error in the module j_searchspace():

Current process (0x270014) infected with signal 11 (SIGSEGV)                              
Address 0x0x000000000101888c (j_searchspace+0xd6), siginfo (code, address) = (128, 0x(nil))

  • It is followed by the signal context messages with no stack trace:

**** Saved signal context (0x0x00000001447d37c0): ****   
uc_flags: 0x0, uc_link: 0x(nil)                          
uc_sigmask: 0x416000 0xb 0x80 0x0                        
uc_stack: ss_sp: 0x(nil), ss_size: 0x0, ss_flags: 0x2    
General Registers (uc_mcontext.gregs):                   
     PC : 0x000000000101888c (j_searchspace+0xd6)        
        RAX : 0x4f594b0500000000  RBX : 0x000000000000001a
        RCX : 0x000000000000001a  RDX : (nil)            
     RBP : 0x00000001447d3c80  RSP : 0x00000001447d3c00  
     R8  : 0x0000000149f60650  R9  : 0x000000014a4b9508  
     R10 : 0x0000000000004d5a  R11 : (nil)               
     R12 : 0x00000001447d3cb0  R13 : 0x000000014d5a0ce8  
     R14 : 0x0000000149f64800  R15 : (nil)               
     RDI : 0x000000014d5a0ce8  RSI : 0x0000000000004d5a  
     RIP : 0x000000000101888c  CSGSFS : 0x0000000000000033
     TRAPNO : 0x000000000000000d  ERR : (nil)            
     EFL : 0x0000000000010202                            
**** end of signal context ****                          

  • The process is not terminated.


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Environment

SAP Adaptive Server Enterprise (ASE) 15.x 

Product

SAP Adaptive Server Enterprise 15.7 ; Sybase Adaptive Server Enterprise 15.0 ; Sybase Adaptive Server Enterprise 15.5

Keywords

CR789204, CR#789204, 789204, alternative_greedy_search, alternative_, greedy. traceflag, trace, flag, 15363, SEGV, segmentation, storage, access, violation, fault, segfault , KBA , BC-SYB-ASE , Sybase ASE Database Platform (non Business Suite) , Bug Filed

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