2936447 - Signal 11 in ubffreef() when RepAgent is scanning syslogs during SUM upgrade - SAP ASE

• The SUM upgrade failed due to an "Infected with signal 11" error in the module ubffreef() with a stack trace hit by RepAgent:

Current process (0x51d0024) infected with signal 11 (SIGSEGV)
Address 0x0x00000000016e05d2 (ubffreef+0xe2), siginfo (code, address) = (128, 0x(nil))

• The stack trace shows the following functions:

ubffreef 
ra_free_mempool 
ra__schema_dealloc_obj 
ra_schema_dealloc 
ra_invalidate_schema 
ra__process_xobjinfo 
ra_process_lr
ra__ci_scanner_scan
ra__ci_scanner_scan_and_distribute
ra__ci_scanner_execute
ra_ci_scanner_thread

  Note: A complete stack trace is available under Attachments.

• The ASE server crashed as a result of the RAMEM_SPIN spinlock unreleased by a terminated RepAgent process (spid):

Spinlocks held by kpid 85786660
Spinlock RAMEM_SPIN at address 0x000000014399ba00 owned by 85786660

• SAP Adaptive Server Enterprise (ASE) 15.7 and 16.0
• SAP Replication Server (SRS) 15.7

SEGV, segmentation, storage, access, violation, fault, segfault, kisignal, stack, registers, CR807722, CR#807722, 807722, rs_marker, CR763637, CR#763637, 763637 , KBA , BC-SYB-ASE , Sybase ASE Database Platform (non Business Suite) , BC-DB-SYB , Business Suite on Adaptive Server Enterprise , BC-SYB-REP , Sybase Replication Server (standalone) , Bug Filed