2557680 - INTERNAL ERROR #6027 SQM: Some internal consistency check failed. - SRS with HADR

• SRS reports the following warning messages:
   
  

  WARNING #6047 SQM(935:0 ASE.DB) - /generic/sqm/sqmsp.c(1077)
  SQM_ADD_SEGMENT ('935:0'): Going to wait for a segment to be freed. Administrative action is needed.
   

• SRS SQM thread reports INTERNAL ERROR #6027 with a stack trace:
   
  

  INTERNAL ERROR #6027 SQM(929:0 ASE.DB) - /generic/sqm/sqmsp.c(1196)
  Some internal consistency check failed. Queue (929:0) state=2.
  Dumping memory trace.
  ***************STACK TRACE***************
  *****thread SQM(929:0 ASE.DB)*******
  (linux_dump_all_func_stack+0x32)
  (dbg_dump_stack_noarg+0x31)
  (dbg_dump_stack+0x164)
  (exc__appDumpStack+0x105)
  (exc_terminate_my_thread+0x13e)
  (exc_raise_exception+0x2e8)
  (_sqm_add_segment+0xba9)
  (_sqm_write_logical_block+0x7e1)
  (_sqm_add_message_to_block+0x18b1)
  (_sqm_write+0x2f8)
  (_sqm_write_wrap+0xaac)
  (srv__start_function+0x1eb)
  /lib64/libpthread.so.0()
  /lib64/libc.so.6(clone+0x6d)
  *****End of stack trace.****
  Purging terminated thread.
   

• SRS may recover itself with the following messages:
   
  

  WARNING #6091 dDELSEG( ) - /generic/sqm/sqmsp.c(3305)
  WARNING CANCEL: Stable Storage Use is Below 90 percent
  WARNING #6091 dDELSEG( ) - /generic/sqm/sqmsp.c(3269)
  WARNING CANCEL: Stable Storage Use is Below 75 percent 

• SAP Replication Server (SRS) 16.0 with Always-on Option (HADR)
• SAP Replication Server (SRS) 15.7.1 SP304 with Always-on Option (HADR)

CR#809992, 809992, CR809992, space , KBA , BC-SYB-REP , Sybase Replication Server (standalone) , Bug Filed