3536134 - Hang after error 1249 - SAP ASE

Server hangs after process hit on error 1249 followed by errors 1251 and 6103. In the log:
 
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Diagnostics for error 1249 for spid 111 follow.  Please contact Sybase Technical Support.

[xxx] PSS information: pstat=0x10100, p2stat=0x1000, p3stat=0x1800, pattention=0, plasterror=0, plockstat=0x0
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[xxx] Failed SEMAWAIT at 0x111111111
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[xxx] Head of the SEMAWAIT chain at 0x12222222
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Diagnostics for error 1249 for spid 111 end here.
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Error: 1249, Severity: 20, State: 1
Process became runnable before lock it was waiting for was released.
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ex_raise
lock__semawait
lock_psema
log__lock
xls__get_lastlogbp
plc__flush
xls_pre_alloc_numclrs
dol_logdml
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end of stack trace, spid xxx, kpid 555555555, suid vvv
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Error: 1251, Severity: 26, State: 1
An in-use preallocated semaphore cursor was encountered.
Error while undoing log row in database 'dbname'.  Rid pageid = 0; row num = 0.
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Error: 6103, Severity: 17, State: 1
Unable to do cleanup for the killed process; received Msg 3300.
WARNING: spid xxx with suid vvv and curdbid yy has an active transaction in dbid yy with xactid (111111111, 11).
 
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Processes are blocked by the process that hit on error 1249.

SAP Adaptive Server Enterprise 16.0 SP03 PL04 and higher

Error 1249 1251 6103 lock__semawait lock_psema log__lock xls__get_lastlogbp Process became runnable before lock Error while undoing log row in database SEMAWAIT 829918 CR 829918 CR829918 CR#829918 , KBA , BC-SYB-ASE , Sybase ASE Database Platform (non Business Suite) , Problem