3201993 - Crash with stack trace on s_bufhash::DeleteStaleBuf - SAP IQ

Server crashed due stack trace on s_bufhash::DeleteStaleBuf:

======================

Warning: s_dbmvbio::Allocate has timed out on _proxyFLcv inside tid:497560
Warning, s_bufpartition::GetCleanPage is retrying to avert a potential deadlock, retry=1, tid=497560 s_buf=0x181de7e3d8 btype=10
....
....
....
[0] Lock{slib/s_bufman.cxx:5520} UnLock{slib/s_run.cxx:874}
.....
.....
s_bufhash::RemoveEntryInsertHelper
s_bufhash::Insert
s_bufpartition::InsertInHT
s_bufpartition::GetCleanPage
s_bufpartition::FindForPrefetch
s_blockmap::Prefetch
......
......
******************* End of STACKTRACE ******************
**
** End of informational stack trace from Duplicate buffer insertion detected, exiting buf: 1818a8ab48
**
********************************************************
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........
.......
.......
Warning, s_bufpartition::GetCleanPage is retrying to avert a potential deadlock, retry=1, tid=817273 s_buf=0x180dc0e430 btype=11
Fatal Error in s_bufhash::DeleteStaleBuf(idx=24874,new=181ba9bb10); s=181b234cb0, pbn=97316445); dumping sbufs.
| I I N I I H I I I I I I I I I I H I H I |
Flags: | s s e s s a s s n s s s s s s s a n e s |
| D D e V B s B C W S P U M Q S F s A a P |
| i i d e u B l h a p r s a u t r A f d r |
| r r s r s u o e s e e e p a a e f f O e |
| t t D s y s c c h c f r r l e f i f A |
| i y e i y k S A i e L a e l i n T l |
| a a o W M u r a t o n i l n x i |
| b l n a a m e l c c t s i t n o |
s_buf(s) | l l e i p V a F h k i t t y L c |
follow... | e o d t p a L e e n P y A i a |
| c e e l B d d e a r s t |
| r d i u d g e t e |
| s d f e a d |

....
[3] Lock{slib/s_bufman.cxx:3288} UnLock{slib/s_run.cxx:874}
[2] Lock{slib/s_bufman.cxx:3288} UnLock{slib/s_pageList.cxx:1350}
.....
.....
.....
s_bufhash::DeleteStaleBuf
s_buf::Write
s_bufpartition::GetCleanPage
s_bufpartition::Create
s_blockmap::Create
hc_run::CreateBuffer
hc_run::NewBuffer
hc_frun::Append
hs_csort::SortAndSave
....
.....
.....
.....

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No corruption were detected.

SAP IQ 16.0 SP11 PL27

s_dbmvbio::Allocate has timed out Fatal Error in s_bufhash::DeleteStaleBuf retrying to avert a potential deadlock  Unlock s_bufhash::RemoveEntryInsertHelper s_bufhash::Insert s_bufpartition::InsertInHT Duplicate buffer insertion detected   s_bufhash::DeleteStaleBuf s_buf::Write s_bufpartition::GetCleanPage 826581 CR 826581 CR 826581 CR# 826581CR#825772 825772 CR825772 , KBA , BC-SYB-IQ , Sybase IQ , Problem