2939037 - Error 706, 707 in memshrink followed by signal 11 at proc__install crashing server - SAP ASE

• ASE errorlog reports errors 706 and 707
• The errors are followed by a signal 11 at proc__install
• A signal 11 in the function: Optimize may also occur
• This leads to an ASE crash as the affected spid holds spinlock "Spinlock Des Upd Spinlocks"

• The error sequence in the log includes:
• A full example of errors and stack traces can be found in attached file KBA_2939037_Error_Example.txt
  
  

Error: 706, Severity: 20, State: 3
Process 1662 tried to remove PROC_HDR 0x368a23000 that it does not hold in Pss.
Error: 707, Severity: 20, State: 5
System error detected during attempt to free memory at address 0x0...

Showing a stacktrace including functions:

mem__shrink_this_phdr
memshrink
tdsrecv__xoltp_finish
tdsrecv__dynexec_xoltp
tdsrecv__dynexec
tdsrecv_dynamic

This is immediately followed by the signal 11 causing ASE shutdown:

Current process (0x2fcf0527) infected with signal 11 (SIGSEGV)
Address 0x0x0000000001e59335 (proc__install+0x275)

Spinlocks held by  kpid 802096423
Spinlock Des Upd Spinlocks at address 0x00000001476c3d00 owned by 802096423

Including stack trace functions:

proc__install
procinstall
s_procinstall_lwp
s_reinstall_lwp_tree
...
ueshutdown: exiting

• SAP Adaptive Server Enterprise (ASE) 16.0 SP03 for Business Suite
• SAP Adaptive Server Enterprise (ASE) 16.0 SP04 for Business Suite
• SAP Solution Manager (SOLMAN) 7.2
• SAP Adaptive Server Enterprise (ASE) 16.0

706, 707, PROC_HDR, memshrink, mem__shrink_this_phdr, "Spinlock Des Upd Spinlocks", spinlock, signal 11 , KBA , BC-DB-SYB , Business Suite on Adaptive Server Enterprise , BC-SYB-ASE , Sybase ASE Database Platform (non Business Suite) , Bug Filed