3246410 - Signal 11 in _dsi_qm_group_cmd() or _dsi_qm_prepare_cmd() after upgrade to v. 16.0 SP04 - SRS 16.0

1. SRS crashed with the following error:

Thread DSI EXEC(xxx(7) xxx.xxx) infected with signal 11.
Dumping memory trace.
***************STACK TRACE***************
*****thread DSI EXEC(xxx(7) xxx.xxx)*******
(linux_dump_all_func_stack+0x35) [0x8bca6b]
(dbg_dump_stack_noarg+0x22) [0x8e14fc]
(dbg_dump_stack+0x10f) [0x8e18bd]
(exc__appDumpStack+0x11b) [0x6ce1eb]
(exc_terminate+0x244) [0x6d1cd4]
(linux_catch_signal+0x248) [0x53fb08]
/lib64/libpthread.so.0(+0x11ce0) [0x7f2f3866dce0]
/lib64/libc.so.6(strlen+0x2a) [0x7f2f36cc518a]
(_dsi_qm_group_cmd+0x351) [0x6710b5]
() [0x698acf]
(dsie_ProcessMsgFromSched+0x296) [0x69bb18]
() [0x69c97b]
(srv__start_function+0x1f3) [0xa34ef3]
/lib64/libpthread.so.0(+0x971a) [0x7f2f3866571a]
/lib64/libc.so.6(clone+0x6d) [0x7f2f36d2f17d]
*****End of stack trace.****
Internal error. Attempting to produce a core file.


Or the stack includes following,

......
/sybase/xxx/DM/REP-16_0/lib64/libsybeconn.so(_ZN5LList4sizeEv+0xa) [0x7f876c411ed4]
(_ZN14CTLibConnector14RCIAllocHandleEiPvPS0_+0x1b2) [0x92294a]
() [0x5931a3]
(_cm_open_connection+0x73) [0x593c4f]
(_cm_get_connection+0xc67) [0x596dbf]
() [0x67916b]
(_dsi_qm_prepare_cmd+0x271) [0x679593]
() [0x69ad58]
(dsie_ProcessMsgFromSched+0x296) [0x69dd08]
() [0x69eb67]

2. SRS may crash in different thread(module DIST, SQM, SQT or DSI, etc) with different stack trace each time.

3. It happens in both HADR and traditional non-HADR replication environments.

SAP Replication Server (SRS) 16.0 SP04

CR826966, CR#826966, 826966, CR827069 , CR#827069 , 827069, CR826872 , CR#826872 , 826872, Signal 6, threads, DSI crash  , KBA , BC-SYB-REP , Sybase Replication Server (standalone) , BC-SYB-REP-HET , Replication Server Heterogeneous Edition (RSHE) , BC-SYB-REP-RTL , Rep Server Real-Time Loading Edition (RTLE) , BC-SYB-REP-RSO , Rep Server Options (RSO) , BC-SYB-REP-ME , Replication Server Messaging Edition (RSME) , Known Error