2403410 - sp_downgrade from ASE 15.7 to ASE 15.5 hit signal 11 and stack trace - SAP ASE

• Executing sp_downgrade from ASE 15.7 to ASE 15.5
• sp_downgrade does not remove all the new introduced config options
• cfg_locate_bynumbers() does not handle unknown options, it results to signal 11
• version: 15.7
  Downgrade step 3: rerun 'sp_downgrade prepare'
  Downgrade step 4: run 'sp_downgrade downgrade'
  Downgrade step 5: checkpoint & shutdown
  Downgrade step 6: reboot using 15.0.1/15.0 binary  stack trace occurs when do ServerBoot svr_low svr_low
  Will issue: /remote/aseqa_archive1/release/ase1503_esd42_lnx64/ASE-15_0/bin/dataserver -d/gunn_perf1/quasr/pd18093672/d12.dbs -sgunn3_20780 -i/gunn_perf1/quasr/s18093672/sql_se4 -e/gunn_perf1/quasr/s18093672/sql_se4/gunn3_20780.err -M/gunn_perf1/quasr/s18093672/sql_se4 -c/gunn_perf1/quasr/s18093672/sql_se4/gunn3_20780.cfg -N/gunn_perf1/quasr/s18093672/sql_se4/gunn3_20780.properties &
  00:00000:00001:2012/11/02 17:56:50.99 kernel  Initializing virtual device 2, '/gunn_perf1/quasr/pd18093672/d15.dbs' with dsync 'off'.
  00:00000:00001:2012/11/02 17:56:50.99 kernel  Virtual device 2 started using asynchronous (with DIRECTIO) i/o.
  00:00000:00001:2012/11/02 17:56:50.99 server  Activating disk 'ldev25' of size 5120 KB.
  00:00000:00001:2012/11/02 17:56:50.99 kernel  Initializing virtual device 3, '/gunn_perf1/quasr/pd18093672/d37.dbs' with dsync 'off'.
  00:00000:00001:2012/11/02 17:56:50.99 kernel  Virtual device 3 started using asynchronous (with DIRECTIO) i/o.
  00:00000:00001:2012/11/02 17:56:50.99 server  Activating disk 'ldev26' of size 3072 KB.
  00:00000:00001:2012/11/02 17:56:50.99 kernel  Initializing virtual device 4, '/gunn_perf1/quasr/pd18093672/d38.dbs' with dsync 'off'.
  00:00000:00001:2012/11/02 17:56:50.99 kernel  Virtual device 4 started using asynchronous (with DIRECTIO) i/o.
  00:00000:00001:2012/11/02 17:56:50.99 server  Activating disk 'ldev27' of size 22528 KB.
  00:00000:00001:2012/11/02 17:56:50.99 kernel  Initializing virtual device 5, '/gunn_perf1/quasr/pd18093672/d32.dbs' with dsync 'off'.
  00:00000:00001:2012/11/02 17:56:50.99 kernel  Virtual device 5 started using asynchronous (with DIRECTIO) i/o.
  00:00000:00001:2012/11/02 17:56:50.99 server  Activating disk 'ldev28' of size 11264 KB.
  00:00000:00001:2012/11/02 17:56:50.99 kernel  Initializing virtual device 6, '/gunn_perf1/quasr/pd18093672/d35.dbs' with dsync 'off'.
  00:00000:00001:2012/11/02 17:56:50.99 kernel  Virtual device 6 started using asynchronous (with DIRECTIO) i/o.
  00:00000:00001:2012/11/02 17:56:50.99 kernel  Current process (0x30003) infected with signal 11 (SIGSEGV)
  00:00000:00001:2012/11/02 17:56:50.99 kernel  Address 0x0x0000000000cb26a4 (cfg__locate_bynumber+0x34), siginfo (code, address) = (1, 0x0x000000304f4db308)
  00:00000:00001:2012/11/02 17:56:50.99 kernel  ************************************
  00:00000:00001:2012/11/02 17:56:50.99 kernel  SQL causing error : use master

• SAP Adaptive Server Enterprise (ASE)

sp_downgrade, ASE 15.7, ASE 15.5 GA, downgrade, signal 11, CR723244, CR#723244, 723244 , KBA , BC-SYB-ASE , Sybase ASE Database Platform (non Business Suite) , Problem