2129014 - REORG DEFRAG hangs indefinitely and error 1265 "An illegal attempt was made to release an invalid lock..." appears after killing it - SAP ASE

• REORG DEFRAG does not progress after some time.
• Command DBCC stack traces on the spid which is running REORG DEFRAG:

upsleepgeneric+0x52f()
smp_bufpredirty+0x3cc()
util_logpgimage+0x74b()
rdfrag__do_page_endchores+0x103()
rdfrag__copy_row+0xab4()
reorg_handler installed by the following function:-]
reorg__ptn_defrag+0x1106()
reorg_handler installed by the following function:-]
reorg_defrag+0x7ab()
reorg_handler installed by the following function:-]
reorg_main+0x7a9()
s_execute+0x69dd()

• Killing the REORG DEFRAG spid will produce error 1265:

An illegal attempt was made to release an invalid lock or a lock that is not owned by the process family (lr=0x0x1af20fae0, lrmagic=f).

SAP Adaptive Server Enterprise (ASE) 15.7 and 16.0

CR778448, CR#778448, 778448, SQL1265, 1265, upsleepgeneric, smp_bufpredirty, util_logpgimage, rdfrag__do_page_endchores, rdfrag__copy_row, reorg_handler, reorg__ptn_defrag, reorg_defrag, reorg_main , KBA , BC-SYB-ASE , Sybase ASE Database Platform (non Business Suite) , Bug Filed